From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
We are looking for a Payroll & HR Coordinator to join our HR team in a hybrid role that supports both payroll operations and HR administration.
This position is designed to provide operational resilience across Payroll and HR, ensuring payroll runs smoothly during key processing periods while also supporting the wider HR team with employee lifecycle administration outside payroll cycles.
The successful candidate will play a key role in delivering accurate payroll processing, maintaining HR systems and records, and providing responsive support to employees and managers. Over time, you will develop the knowledge and confidence to independently run the monthly payrolls in the absence of the Payroll Manager.
If you join, you will be responsible for :
Payroll (Primary Focus During Payroll Cycle)
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Support the processing of monthly payrolls across UK entities, ensuring accuracy and meeting strict deadlines.
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Process sickness absence, statutory leave and related payroll calculations in line with legislation and company policy.
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Prepare and review payroll reports using Excel (pivot tables and lookups).
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Process BACS payments and distribute payslips.
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Assist with RTI submissions to HMRC and year-end processes including P60s and P11Ds.
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Complete pension uploads, reports and reconciliations in line with auto-enrolment legislation and provider requirements.
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Produce payroll journals, reports and monthly finance reconciliations.
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Maintain payroll procedures, documentation and checklists.
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Respond to employee payroll queries and escalate complex issues where needed.
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Support payroll compliance for employees working overseas where applicable.
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Identify opportunities to improve payroll efficiency and controls.
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Manage payrolling of benefits where applicable.
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Over time, develop the capability to run payroll independently when required.
HR Administration & Coordination (Outside Payroll Cycle)
Working alongside the HR team, you will provide support across the full employee lifecycle, ensuring smooth HR operations.
Key activities may include:
HR Query Management
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Manage and respond to queries in the HR inbox.
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Provide first-line support to employees and managers.
Employee Lifecycle Administration
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Prepare employment documentation including contracts, offer letters, contract changes, family leave documentation, references and leaver documentation.
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Maintain accurate employee records within the HR system.
Absence & Leave Administration
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Monitor and record sickness absence.
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Support administration of maternity, paternity and parental leave.
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Assist with holiday purchase and carry-over processes.
HR Systems & Data Management
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Maintain accurate HR records and reports.
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Support HR system updates, testing and reporting.
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Ensure compliance with GDPR and data retention practices.
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Complete pre-payroll checks to ensure HR data is correct for payroll processing.
Recruitment & Onboarding
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Provide recruitment administration support when required.
HR Operations & Projects
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Maintain organisational charts and HR documentation.
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Support updates to HR policies and internal resources.
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Assist with pay review and bonus processes.
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Provide support for HR projects and continuous improvement initiatives.
Ideally we are looking for:
About You
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Adaptability and flexibility
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Excellent organisation and prioritisation skills
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Strong communication and relationship-building abilities
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High attention to detail and commitment to accuracy
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A customer-focused approach when supporting employees
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Resilience and professionalism when managing deadlines
Essential Skills & Experience
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Experience processing end-to-end in-house payroll
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Up-to-date knowledge of UK payroll legislation and statutory payments (SSP, SMP etc.)
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Strong attention to detail and accuracy
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Experience using HR and payroll systems
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Strong Excel skills, including lookups and pivot tables
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Experience supporting HR administration across the employee lifecycle
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Knowledge of pension auto-enrolment processes
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Ability to manage changing priorities and busy processing periods
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Excellent communication and organisational skills
Desirable
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Experience producing payroll journals and financial reconciliations
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Experience in multi-entity or international payroll environments
Qualifications
Desirable:
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Part-qualified Chartered Institute of Personnel and Development (CIPD) or Chartered Institute of Payroll Professionals (CIPP)
What We Offer
This is a hybrid role, combining time working from home with time in the office.
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
We are looking for a proactive and organised Expeditor / Assistant Buyer to join our Materials Control team. This role is key to ensuring supplier deliveries are aligned with internal forecasts, production schedules, and customer requirements.
You will manage the purchase order expediting process, communicate with suppliers to resolve delays, and support purchasing activities across an allocated portfolio of products and services. The role requires close collaboration with Purchasing, Planning, Engineering and Production teams to maintain smooth material flow within a manufacturing environment.
This position offers an excellent opportunity for someone looking to develop a career in procurement and supply chain, with the potential to progress through CIPS qualifications.
If you join, you will be responsible for :
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Manage and expedite supplier purchase orders to ensure delivery dates meet business requirements.
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Generate and distribute weekly supplier order books and update delivery commitments in the ERP system.
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Action MRP reschedule messages, including bring forward, defer or cancellation requests.
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Review and process supplier acknowledgements against purchase orders.
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Communicate directly with suppliers to resolve delays and maintain delivery performance.
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Build and maintain strong supplier relationships.
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Escalate supplier issues and delivery risks to the relevant Buyer when required.
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Represent the Purchasing team in weekly Sales Order / Production meetings, providing updates on supplier shortages.
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Work closely with Planning and Production teams to manage material availability.
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Monitor and report supplier on-time delivery performance against targets.
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Maintain accurate records within the ERP system including lead times, costs and delivery data.
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Process non-stock purchase requisitions and convert them into purchase orders.
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Support RFQ processes and place purchase orders generated through MRP.
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Assist with new supplier approvals when required.
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Contribute to continuous improvement initiatives within the Purchasing team.
About You
Essential
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Strong Microsoft Office skills, particularly Excel
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Excellent organisation and prioritisation skills
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Strong communication skills and ability to work with suppliers and internal stakeholders
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High level of attention to detail
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Ability to manage multiple tasks and meet deadlines
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Proactive and results-driven mindset
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Strong teamwork and relationship-building skills
Desirable
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Experience using ERP or MRP systems
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Experience with Syspro (version 7+)
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Previous expediting or purchasing experience
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Understanding of procurement processes
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Experience in a manufacturing environment
What We Offer
Professional Development
We support career development within procurement and supply chain, including the opportunity to pursue a Chartered Institute of Procurement & Supply (CIPS) qualification.
What We’re Looking For
The successful candidate will demonstrate:
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Adaptability and flexibility
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Drive for results and persistence
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Proactive problem-solving
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Excellent communication skills
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Customer-focused mindset
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Strong attention to quality and detail
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Resilience and self-confidence
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Commitment to teamwork and company values
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
We are seeking a motivated and hands-on Subsea Engineering Apprentice to join our Group Systems Integration team in Blackbushe. This is an exciting opportunity to gain practical experience in the design, manufacture, assembly, integration, testing, and maintenance of advanced subsea systems and equipment.
Working alongside experienced engineers, you will help configure, function-test, and prepare subsea hardware for offshore deployment, ensuring all systems meet engineering drawings, procedures, and project specifications. This role offers excellent exposure to real-world engineering projects and innovative subsea technologies.
If you join, you will be:
- Supporting new product development, including component design, manufacture, assembly, testing, and integration.
- Assembling, integrate and set-to-work subsea equipment such as electrical flying leads, control modules, manifolds, tooling, ROV interfaces, and software systems.
- Assisting with integration of subsea systems including control pods, umbilicals, and associated test equipment.
- Participate in product training to develop understanding of navigation and sensing equipment used in subsea systems.
- Providing hands-on technical support during mobilisation and system commissioning at company trial facilities (including sister operating companies).
- Raising change requests and contribute to continuous improvement initiatives to enhance product quality and efficiency.
- Using relevant IT systems and tools effectively in day-to-day tasks.
- Promoting safe working practices and adhere strictly to all Occupational Health & Safety policies and procedures.
- Maintaining compliance with all company policies and procedures at all times.
Ideally we are looking for:
About You
You are enthusiastic about engineering, eager to learn, and comfortable working in a practical, hands-on environment. You demonstrate attention to detail, strong teamwork skills, and a proactive approach to problem-solving.
Essential Skills & Experience
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Currently studying towards a qualification in Electronic Engineering, Product Design, or a related discipline (with practical hands-on experience).
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Ability to read and interpret engineering drawings, circuit diagrams, and assembly schematics (mechanical and electrical).
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Mechanically proficient — able to disassemble and reassemble products confidently.
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Knowledge of CAD software and 3D printing.
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Confident PC user.
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Strong problem-solving skills and attention to detail.
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Adaptable, driven, and able to work effectively within a team environment.
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Commitment to a “safety first” culture.
Desirable
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Experience with Autodesk Inventor.
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Familiarity with systems testing and diagnostic fault finding to component level.
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Basic programming knowledge (e.g. Python).
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Experience with subsea control systems or subsea engineering environments.
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HNC / NVQ Level 3 in Mechanical or Electrical Engineering (or equivalent).
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Experience using test equipment such as SVMs and power supplies.
What We Offer
This apprenticeship provides the opportunity to develop your technical skills within a specialist engineering environment, working on complex subsea systems alongside experienced professionals. You’ll gain valuable industry experience while contributing to meaningful engineering projects.
If you are looking to build a career in subsea engineering and want hands-on exposure to innovative technologies, we’d love to hear from you.
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
We are looking for a talented Software Engineer to join our Engineering team in Blackbushe.
You will work on complex software projects across one or more advanced products, developing robust, high-performance solutions within technically challenging environments. This role requires strong programming expertise and the ability to collaborate closely with multidisciplinary engineering teams to plan, develop, test and deliver high-quality software.
This is an opportunity to contribute to innovative systems where hardware and software integration is critical to product performance and customer value.
If you join, you will be responsible for:
Software Development
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Develop and validate new software features, working independently or collaboratively within the team
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Design, implement and maintain clean, object-oriented C/C++ code
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Document software designs and update technical specifications
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Develop unit and system-level tests to ensure reliability and performance
Technical & Innovation
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Identify opportunities to improve efficiency through code reuse and shared frameworks across products
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Contribute to system architecture and high-level design discussions
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Stay current with emerging technologies and software development best practice
Collaboration & Support
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Work closely with hardware and systems engineers to integrate software and hardware solutions
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Participate in peer code reviews and structured development processes
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Use source control and build systems within a professional development environment
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Support mentoring within the team and help improve estimation accuracy
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Provide customer support input when required
Ideally we are looking for someone who is/has:
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Proficient in C/C++ with strong object-oriented programming skills
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Experience developing larger software systems within team environments
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Experience developing for and debugging Linux-based embedded systems
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Familiarity with cross-compilation for multiple hardware architectures
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Experience working within structured development environments including:
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Documented design processes
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Coding standards and guidelines
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Unit and system testing
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Source control systems and peer code reviews
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- Strong problem-solving and analytical skills
- Excellent communication and teamwork abilities
- Degree in Software Engineering, Computer Science, Electronic Engineering, Physics or similar discipline or 5+ years of proven software engineering experience with equivalent on the job trainin
It would be a bonus if you had:
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Understanding of DevOps practices and build systems
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Strong mathematical and physics foundations
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Conceptual understanding of GPS, inertial navigation systems, or underwater acoustics
What We Offer
This is an exciting opportunity to play a key role in developing advanced subsea technologies across global markets including Maritime Defence, Oceanographic Research and Offshore Energy.
If you are an experienced Software engineer looking to work on technically complex, innovative products, we would love to hear from you.
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
We are seeking an experienced Senior Electro-Mechanical Design Engineer to join our Engineering team in Blackbushe.
Working within a highly challenging subsea environment, you will design innovative products where engineering is pushed to its limits. You will create early-stage concept designs for both internal development and customer proposals, develop robust mechanical assemblies, and support technology advancements that expand our capabilities into new markets.
You will collaborate closely with a multidisciplinary Electro-Mechanical Design (EMD) team, production, suppliers, and customers to ensure designs are fit for purpose, cost-effective, and delivered on schedule.
If you join, you will be:
- Leading the design and development of new electro-mechanical concepts and technologies in line with company design processes
- Developing solutions from both internal requirements and external customer specifications
- Owning product developments through the full lifecycle, including modifications, variants, and obsolescence management
- Verifying and validating designs using classical hand calculations, finite element analysis (FEA), and experimental testing
- Producing detailed 3D CAD models and manufacturing drawings (Autodesk Inventor preferred), including build instructions and BOMs
- Conducting cost analysis, prototype manufacture, environmental testing, and type approval testing
- Maintaining comprehensive product documentation in line with ISO and company quality standards
- Researching emerging technologies and assess their integration into new and existing product lines
- Work closely with suppliers, subcontractors, and the in-house machine shop to improve reliability and manufacturing processes
- Driving company-wide engineering improvements and contribute to new processes and efficiencies
- Ensuring best design practice, quality standards, and a strong safety-first culture are maintained
Ideally we are looking for:
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Strong leadership and motivation
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Adaptability and resilience in technically demanding environments
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Excellent communication and cross-functional collaboration skills
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Proactivity and innovation
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High attention to detail and commitment to quality
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A strong customer focus
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Commitment to health, safety, and compliance
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Degree in Mechanical Engineering or related discipline
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Significant technical design experience (ideally 10+ years)
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Experience designing subsea equipment for Oil & Gas, Defence, or similar harsh environments
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Strong 3D CAD experience (preferably Autodesk Inventor)
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Practical mechanical engineering skills, including prototype assembly and testing
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Strong problem-solving, analytical and decision-making ability
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Technical report writing skills
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Working knowledge of relevant subsea codes, standards and regulations
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Experience in design validation and verification
It would be a bonus if you had:
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Finite Element Analysis experience (preferably ANSYS)
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Experience performing hand calculations for design validation
What We Offer
This is an exciting opportunity to play a key role in developing advanced subsea technologies across global markets including Maritime Defence, Oceanographic Research and Offshore Energy.
If you are a highly experienced electro-mechanical design engineer looking to work on technically complex, innovative products, we would love to hear from you.
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
We are looking for a motivated and detail-oriented Digital Marketing Apprentice to join our Marketing team at Blackbushe. This is an exciting opportunity to gain hands-on experience across a wide range of digital marketing activities while working alongside experienced marketing professionals.
You will play a key role in supporting marketing campaigns, maintaining digital platforms, analysing performance metrics, and contributing to internal and external communications.
If you join, you will be:
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Supporting the team in maintaining, collating, analysing and reporting marketing metrics and KPIs across departments
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Assisting with the upkeep and optimisation (SEO) of the company website, including content updates and amendments
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Helping manage marketing technology platforms, including email campaigns, nurture campaigns, target lists and lead distribution
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Contributing to marketing communication campaigns and lead generation activities, including performance reporting
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Creating, scheduling and reporting on engaging social media content
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Supporting day-to-day marketing activities and ad hoc projects
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Assisting with internal communications, including coordinating corporate and product presentations
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Building strong working relationships across departments
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Keeping up to date with marketing best practice and sharing new ideas and improvements
Ideally we are looking for:
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Good knowledge of Microsoft Office (including Excel)
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Strong attention to detail
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Demonstrates company values
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High levels of accuracy and quality in work
Essential Skills & Experience
- Two A-Level passes, OR
- Completed an Advanced Apprenticeship, OR
- BTEC National qualification, OR
- Level 3 NVQ/SVQ qualification
- Five GCSEs at grades 9–4 (A–C), including English and Maths
It would be a bonus if you had:
- Basic Photoshop knowledge
- Understanding of reporting and analytics
- Experience or familiarity with:
- Salesforce or HubSpot CRM
- WordPress CMS
- Google Analytics
- Strong communication skills
- Proactive, adaptable and willing to learn
- Good teamwork and relationship-building skills
What We Offer
This apprenticeship is ideal for someone looking to start their career in digital marketing, develop practical skills, and gain valuable industry experience within a supportive team environment.
If you are enthusiastic, organised and ready to learn, we would love to hear from you.
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
The Quality Department plays a vital role in ensuring Sonardyne delivers reliable, compliant, and customer-focused products and services. By maintaining robust quality management systems and enabling continuous improvement, the team supports the business in achieving high standards of operational performance, efficiency, and customer satisfaction.
We are looking for an experienced Quality & Process Manager to lead the implementation, maintenance, and continuous improvement of quality and process management systems across Sonardyne’s global operations. This is a key leadership role, responsible for ensuring ISO 9001 compliance, driving risk-based thinking and continuous improvement, and providing strong, visible quality leadership across the business.
If you join, you will be responsible for:
Quality Management & Certification
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Lead and maintain ISO 9001 compliance across all global Sonardyne sites
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Drive proactive quality management using best-practice methodologies such as APQP
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Ensure quality systems support product excellence, operational efficiency, and customer satisfaction
Process Management
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Support the development and rollout of process management across all departments
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Own and develop the Promapp process management system and Process Documentation Centre (PDC)
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Deliver training and reporting on process performance and effectiveness
Data, KPIs & Analytics
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Provide quality and process analytics to support informed decision-making
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Own and maintain Quality Department KPIs, driving improvement initiatives based on performance trends
Quality Incident & Risk Management
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Act as an escalation point for quality incidents across engineering, production, projects, and customer service
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Ensure structured problem-solving approaches (e.g. 8D, DMAIC) are consistently applied
Customer & Contract Quality
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Drive improvements in customer satisfaction through effective complaint resolution and reporting
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Provide specialist quality input for customer audits, contract requirements, and pre-qualification questionnaires
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Act as the primary interface with customer quality representatives
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Support the development of quality plans for specific projects and contracts
Audits & Compliance
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Plan, coordinate, and deliver the internal audit programme
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Conduct internal system audits and report findings with clear improvement recommendations
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Interface with external and customer auditors as required
Continuous Improvement & Communication
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Champion continuous improvement initiatives across the business
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Deliver coaching and training on quality tools and techniques
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Maintain and develop quality-related intranet content to support visibility and engagement
Leadership
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Lead and develop quality team members
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Deputise for the Quality Manager when required
Ideally :
You are a confident and influential quality professional with a strong track record in engineering or manufacturing environments. You are comfortable challenging constructively, influencing across functions, and leading change in complex organisations.
Essential Skills & Experience
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Minimum 5 years’ experience in a quality role within engineering, manufacturing, marine, or defence sectors
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Proven experience driving continuous improvement and structured problem solving
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Working knowledge of IT-based Quality Management Systems (e.g. Promapp, QPulse, MasterControl)
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Strong understanding and practical application of APQP
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Excellent communication skills with the ability to engage effectively at all levels
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Proficient in MS Office (Word, Excel, PowerPoint) and SharePoint
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Relevant degree or equivalent experience
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Lead Auditor certification (ISO 9001 or equivalent)
It would be a bonus if you had:
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Experience with complex electro-mechanical manufacturing
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Practical application of quality improvement tools and EFQM
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Experience developing or supporting quality software tools
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Bachelor’s degree in Engineering (Manufacturing, Mechanical, or Electrical preferred)
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Membership of CQI or ASQ
What We Offer
-
A key leadership role with real influence across a global engineering organisation
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The opportunity to drive meaningful quality and process improvements
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A collaborative, values-driven culture focused on innovation and excellence
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
We are looking for a Software Engineer to join our Engineering team at Sonardyne, working on complex, high-performance software that underpins our world-leading subsea products.
In this role, you will contribute to the design, development, testing, and delivery of software across one or more products. You will work closely with fellow software engineers, hardware engineers, and technical leads to create robust, maintainable, and efficient software solutions that operate in demanding real-world environments.
This is an opportunity to work on technically challenging projects where quality, reliability, and innovation truly matter.
If you join you will:
Software Development
-
Design, develop, test, and maintain software features for Sonardyne’s products.
-
Work independently or collaboratively within project teams to deliver high-quality software.
-
Write clean, well-structured, and maintainable code using modern software engineering practices.
-
Produce and maintain clear technical documentation and software specifications.
Innovation & Continuous Improvement
-
Identify opportunities to improve efficiency through code reuse across multiple products and projects.
-
Stay up to date with new tools, technologies, and best practices within your technical domain.
Collaboration & Engineering Integration
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Work closely with engineers across the wider Engineering department to integrate software and hardware into complete systems.
-
Contribute to software design and architectural discussions with technical leaders.
-
Share knowledge, best practices, and emerging technologies with the team.
-
Support estimation and planning activities by contributing to accurate timescale assessments.
Support
- Provide software support for internal teams and, where required, customers.
- Occasionally travel to Plymouth for system integration and testing activities.
About You :
You are a motivated and adaptable Software Engineer who enjoys solving complex technical problems and working as part of a collaborative engineering team. You take pride in producing high-quality code and thrive in environments where attention to detail and reliability are essential.
Ideally we would like:
-
Proficient in C / C++, with experience developing object-oriented software in team environments.
-
Experience developing and debugging software for Linux-based embedded systems.
-
Familiarity with build systems, cross-compiling for different hardware architectures, and concepts such as virtualisation and Docker.
-
Strong understanding of software engineering best practices, including:
-
Design documentation
-
Coding standards
-
Unit and system testing
-
Source control and peer code reviews
-
Strong communication skills and the ability to work effectively with multidisciplinary teams.
-
Degree in Software Engineering, Computer Science, Electronic Engineering, Physics, or a related discipline
or -
relevant professional software engineering experience with equivalent on-the-job training.
It would be a bonus if you had:
- Experience mentoring or coaching other engineers.
- A customer-focused mindset with experience supporting deployed systems.
- An interest in or exposure to navigation, positioning, or acoustic systems.
- Strong grounding in Mathematics and Physics.
- Conceptual understanding of GPS, inertial navigation, or underwater acoustics.
Why Join Sonardyne?
At Sonardyne, you’ll work on cutting-edge subsea technologies that support critical operations around the world. We offer a collaborative and supportive engineering environment where innovation, quality, and continuous improvement are valued.
You’ll have the opportunity to grow your technical skills, work on meaningful products, and be part of a company that is shaping the future of subsea technology.
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
We are looking for an experienced Embedded Software Engineer to join our Hamburg-based team at Sonardyne GmbH. In this role, you will take technical ownership of embedded software solutions used in advanced communication, navigation, and data acquisition systems. You will be involved across the full product lifecycle, working closely with international teams to deliver high-quality, performance-critical embedded systems.
If you join you will:
-
Design, develop, and maintain embedded software in C++ for communication, navigation, and data acquisition systems
-
Develop primarily on STM microcontrollers and ARM-based processors
-
Design and implement RTOS-based systems, with a strong focus on Zephyr
-
Develop bare-metal software for time-critical and resource-constrained applications
-
Take technical responsibility for embedded software architecture and concepts
-
Develop and integrate edge-AI functionality into embedded systems
-
Optimise algorithms for memory- and performance-constrained environments
-
Set up and use CI/CD pipelines for embedded software development
-
Perform code reviews, debugging, and quality assurance activities
-
Work end-to-end: from requirements and architecture through implementation, testing, system integration, commissioning, and field testing
-
Collaborate closely with international development teams and stakeholders
-
Travel occasionally for system integration and testing activities
About You :
Ideally we would like:
-
A degree in Computer Science, Electrical Engineering, or a comparable qualification
-
Several years of professional experience in embedded software development (senior level)
-
Strong C++ skills for embedded systems
-
Deep hands-on experience with RTOS, ideally Zephyr
-
Solid experience in bare-metal development
-
Practical experience with STM microcontrollers
-
Experience working with CI/CD workflows in embedded environments
-
Strong understanding of embedded architectures and low-level software
-
Sound knowledge of electronics and circuit design
-
Native-level or near-native English proficiency
-
Fluent German language skills
-
A structured, self-driven working style and enthusiasm for hands-on system development
It would be a bonus if you had:
-
Experience in signal processing
-
Experience with Embedded Linux
-
Experience with edge AI or AI-supported development tools (e.g. AI-assisted coding, model-based or automated code generation)
Why Join Sonardyne?
-
Work on technically challenging, real-world embedded systems
-
Take ownership of architecture and design decisions
-
Collaborate with international, highly skilled engineering teams
-
Be involved across the entire development lifecycle, from concept to field deployment
-
Permanent role with long-term development opportunities
From the Mariana Trench, the deepest point on earth, to surging shorelines and anywhere in-between, we make the impossible possible through our continuous passion for innovation.
Our people design, engineer and manufacture technologies that are enabling our customers to discover, navigate, measure, detect and communicate in the toughest environment on earth: Our oceans. We’ve been actively developing the technology to make the oceans accessible for over 50 years and we’re only just getting started… At Sonardyne, we value different ways of thinking. Whether you think in code, patterns, systems, or steps, your unique perspective is important to us.
Sonardyne is seeking a detail-oriented and motivated Transducer Test Engineer to join our Electromechanical Design Group. This is a hands-on, varied role supporting both existing underwater acoustic products and calibration equipment used across our UK and international operations.
With over 50 years of expertise in underwater acoustics, Sonardyne offers a unique opportunity to work on innovative transducer technologies while learning from and collaborating with experienced engineers and production specialists. We welcome applicants from all backgrounds who are eager to learn, contribute, and grow within a collaborative engineering environment.
About the Role
Reporting to the Senior Transducer Engineer, you will play a key role in testing, analysing, and improving underwater acoustic transducer systems. The role involves both laboratory-based work and close collaboration with production and engineering teams.
If you join you will:
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Perform in-air and in-water acoustic and electrical testing
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Analyse test data and produce clear technical reports, including root cause analysis and recommendations
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Use specialised laboratory equipment to measure sound pressure levels, frequency response, noise, and vibration
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Develop and execute test procedures that meet acoustic, electrical, and environmental standards
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Support and improve existing underwater acoustic products and calibration systems
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Communicate results clearly through written reports and technical presentations
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Liaise with production teams to improve acoustic processes and implement enhancements
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Assist with the development and evaluation of new subsea transducer designs
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Ensure compliance with relevant industry standards, regulations, and certifications
About You :
You are analytical, methodical, and enjoy hands-on engineering work. You take pride in producing high-quality results and communicating clearly with both technical and non-technical audiences.
Ideally we would like:
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Strong problem-solving ability with excellent attention to detail
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Knowledge or interest in underwater acoustics
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Clear and effective written communication skills
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Understanding of transducer and electrical engineering fundamentals
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Strong IT skills, particularly Microsoft Office
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Degree in Physics, Mathematics, or Engineering (or equivalent)
It would be a bonus if you had:
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Experience developing laboratory software and test tools
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Practical mechanical engineering skills, including prototype assembly and testing
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Experience working within quality-controlled or regulated environments
Why Join Sonardyne?
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Work with cutting-edge underwater acoustic technology
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Learn from industry-leading experts
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Be part of a collaborative and inclusive engineering culture
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Contribute to products used globally across renewables, offshore energy, science, autonomous systems, and defence