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’s Projects Department is expanding as we take on an increasing number of complex, high-impact customer programmes across the offshore, defence, and ocean science sectors. We are now seeking a talented Project Manager to join our world-class Custom Projects Group and help deliver bespoke subsea systems and advanced marine technology solutions.

As part of a growing multi-disciplinary team, you will manage cutting-edge engineering projects from concept to delivery—working closely with technical leads, systems engineers, and specialists across our matrix organisation to ensure customers receive innovative, reliable, and high-quality solutions.

About the Role

As a Project Manager, you will play a key role in the successful delivery of custom development projects, ensuring they meet customer requirements, comply with industry standards, and are delivered on time and within budget.

You will be the main point of contact for internal stakeholders and customers, responsible for planning, resource allocation, documentation, communication, and risk management. You will also support bid activity, contribute to continuous improvement, and help strengthen project management practices across the business.

If you join you will be integral in:

Project Delivery

• Planning, resourcing, and executing bespoke engineering projects aligned with customer specifications and internal processes.

• Leading multi-disciplinary teams throughout the full project lifecycle.

• Tracking progress, adapt plans, and ensure quality of all deliverables.

Bid & Proposal Support

• Producing work breakdown structures, schedules, and costings to support commercial bids.

Project Management Planning

• Developing comprehensive Project Management Plans covering scope, milestones, deliverables, risks, budget, and stakeholders.

Scheduling & Budget Control

• Building and maintaining project schedules using a clear WBS.

• Monitoring spend, reporting on KPIs, and escalating deviations promptly.

Requirements & Verification

• Working with a Systems Engineer/Technical Lead to define, review, and verify all technical requirements.

Risk Management

• Identifying, assessing, documenting, and mitigating project risks, implementing contingency plans where needed.

Meetings & Reviews

• Leading internal and external gateway reviews.

• Ensuring actions, decisions, and documentation are completed efficiently.

Customer & Stakeholder Communication

• Maintaining strong, professional relationships with customers, subcontractors, and internal teams.

• Providing clear communication at all levels across the business.

Compliance

• Ensuring adherence to internal processes, customer standards, and ISO9001.

Continuous Improvement

• Conducting project closeouts, gather lessons learned, and contribute to the development of the Projects function.

Ideally we would like:

• Proven project management experience in an engineering environment.

• Ability to deliver through others in a matrix organisation.

• Excellent verbal and written communication skills.

• Experience working directly with external customers.

• Strong planning, scheduling, and organisational skills.

• High attention to detail.

• Degree (BSc/BEng) in Engineering or similar discipline.
• APM PMQ, PRINCE2, or equivalent project management certification.

It would be a bonus if you had:

• Experience delivering low-volume bespoke engineering solutions.

• Experience with harsh/inaccessible environments.

• Knowledge of good engineering practice.

• Experience managing multi-item system integration projects.

• Ability to interpret and deliver against complex contracts.

• Adaptability and flexibility.

Further information

• Occasional travel may be required.

• UK Security Clearance may be needed for defence-related work.

Ready to take the plunge into your next manufacturing/engineering project management role?
Apply now and help us create the next generation 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.

Are you an innovative Electronics Hardware Engineer with a passion for developing cutting-edge subsea technology? Join our Electronic Hardware team and contribute to the design and development of world-class underwater acoustic systems, data loggers, Doppler velocity logs, and more.

This is a fantastic opportunity for a skilled engineer who thrives in a hands-on environment and enjoys solving complex technical challenges.

As an Electronics Hardware Engineer, you will play a key role in designing, developing, and supporting the electronics and embedded firmware that power our subsea instruments.

If you join you will be:

• Designing digital (FPGA & MPU) and analogue electronics with a focus on low power consumption and low-noise performance

• Ensuring all designs meet EMC requirements, contributing to EMC testing and compliance

• Leading hardware design reviews and evaluating techniques to choose the best engineering solutions

• Developing embedded C and/or C++ applications for microprocessors

• Performing hands-on electronics and embedded software fault-finding

• Producing high-quality documentation to support development and future maintenance

• Staying ahead of industry trends, tools, and technologies

• Supporting continuous improvement of engineering processes

Some travel is required, including visits to our Plymouth trial site.

We’re looking for a proactive engineer with strong problem-solving skills, excellent communication, and the ability to work independently or as part of a multidisciplinary team.

Ideally we would like:

• Expert in analogue and digital electronics design, including simulation and low-power techniques
• Competent in designing for EMC and understanding standards such as EN60945
• Competent in Altium for schematic design and basic PCB layout principles
• Competent in C programming; basic understanding of C++
• Strong documentation skills
• Hands-on fault-finding and production support experience
• Ability to collaborate effectively across teams
• 2:1 or above in Electronic Engineering, Electrical Engineering, or a related discipline

Leadership & Teamwork

While this role has no direct reports, you will be expected to mentor colleagues, guide design decisions, and uphold quality standards across engineering and production support.

Why Join Us?

• If you want to help deliver innovative subsea technologies that make a real impact in marine, defence, offshore, and science industries, this role offers the chance to work at the forefront of ocean engineering with a team that values quality, curiosity, and technical excellence.

Ready to dive into your engineering career?

Apply now and help us create the next generation 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’re looking for an experienced and proactive IT Infrastructure Manager to lead the design, implementation, and ongoing maintenance of our IT infrastructure. This is a hands-on leadership role that combines strategic planning, technical delivery, and team management to ensure our IT systems are secure, scalable, and highly available.

The ideal candidate will bring deep technical expertise, strong leadership skills, and a passion for driving continuous improvement across infrastructure, cloud, and security operations.

If you join us you will be:

Leading & Supporting in:

• Lead, mentor, and develop a team of Infrastructure Engineers.

• Promote a culture of knowledge sharing, collaboration, and continuous improvement.

• Provide Tier 3 escalation support and lead root cause analysis for major incidents.

• Manage infrastructure projects from planning through to successful delivery.

Design & Architecture

• Lead the design and architecture of on-premises, cloud, and hybrid solutions.

• Evaluate and recommend new technologies to enhance performance, resilience, and cost efficiency.

Infrastructure Management

• Manage core infrastructure services including servers (Windows/Linux), storage, virtualization, networking, firewalls, backup systems, and disaster recovery.

• Monitor and optimize system performance to ensure 24/7 operational availability.

• Maintain and test disaster recovery and business continuity plans.

Cloud & Virtualization

• Deploy and manage environments within AWS, Azure, or GCP.

• Administer and optimize virtualization platforms such as VMware and Hyper-V.

Security & Compliance

• Implement and enforce best practices for system and network security.

• Support security audits and maintain compliance with frameworks such as ISO 27001 and Cyber Essentials Plus.

Automation & Monitoring

• Automate infrastructure provisioning and configuration using Infrastructure-as-Code tools (e.g., Terraform, Ansible).

• Manage and maintain monitoring systems such as Zabbix, Prometheus, or Nagios to ensure proactive issue detection.

We would like you to be: 

A confident, solutions-driven professional who thrives in complex technical environments. You combine deep infrastructure knowledge with strong communication and leadership skills, balancing hands-on technical work with strategic direction.

Ideally we would like you to have: 

• Demonstratable experience in IT infrastructure engineering or systems administration.

• Proven experience leading or supervising technical teams.

• Strong background in server, network, and virtualization technologies.

• Hands-on experience with public cloud platforms (AWS, Azure, or GCP).

• Scripting/automation proficiency (PowerShell, Bash, or Python).

• Excellent problem-solving, organisational, and documentation skills.

• Ability to perform under pressure and manage multiple priorities effectively.

It would be a bonus if you had:

• Experience in multi-site or engineering-focused organisations.

• Familiarity with containerization (Docker, Kubernetes).

• Relevant certifications such as ITIL, MCSE, CCNA/CCNP, AWS or Azure Solutions Architect.

• Bachelor’s degree in Computer Science, Information Technology, or equivalent experience required.

• Industry certifications preferred.

Why Join Us

This is a fantastic opportunity to take ownership of a critical function within a forward-thinking organisation. You’ll have the autonomy to shape our infrastructure strategy, lead a talented team, and work on exciting, technically challenging projects that make a real impact.

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 nearly 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 Acoustic Positioning Lead to drive the development and implementation of next-generation subsea positioning and communications solutions. This is a unique opportunity to lead a talented multi-disciplinary team of engineers and scientists in designing, testing, and deploying cutting-edge technologies that underpin the future of underwater operations.

If you join, what you’ll do

• Lead the strategy, design, and development of advanced acoustic positioning systems (USBL, LBL, and beyond).

• Guide product development from concept through to launch, ensuring robustness, ease of use, security, and interoperability.

• Define and maintain embedded architectures in collaboration with hardware and software teams.

• Mentor and inspire a team spanning hardware, software, and test engineering disciplines.

• Represent Sonardyne at industry events, technical reviews, and customer engagements.

• Stay at the forefront of acoustic navigation and communications technologies to maintain our leadership in the field.

Ideally we are looking for,

• Degree in Engineering, Science, or Mathematics.

• 5+ years’ experience in underwater acoustic systems and embedded systems engineering.

• Proven expertise in embedded architecture, system design, and C/C++ programming.

• Strong analytical skills and ability to model and evaluate system performance.

• Excellent communication and collaboration skills to influence peers, stakeholders, and customers.

It would be a bonus if you had

• experience with USBL and LBL system design, Linux RT embedded applications, system architecture design, and project/program management.

Why Sonardyne?

At Sonardyne, you’ll play a pivotal role in shaping the future of subsea technology. You’ll join a forward-thinking engineering team where innovation, collaboration, and technical excellence are at the heart of everything we do. Occasional travel to partner organisations and our Plymouth site for in-water trials adds variety and impact to this role.

Ready to take the lead?

Apply now at www.sonardyne.com and be part of our journey to deliver world-leading underwater 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.

Are you an experienced Embedded Electronics Engineer with a passion for innovation and technical excellence? We are looking for a talented individual to join our multidisciplinary team developing advanced subsea technology solutions. The ideal candidate will have hands-on experience in both hardware and embedded firmware design and a passion for creating robust systems that operate reliably in challenging underwater environments.

If you join you will:

• Design and layout of printed circuit board assemblies (PCBAs) using Altium Designer.
• Perform simulation and analysis of electronic schematics using PSPICE.
• Develop detailed electronic system specifications and contribute to technical documentation.
• Design analogue and digital circuits tailored to subsea instrumentation and communication systems.
• Develop, test, and debug embedded firmware using C++, with an emphasis on real-time performance and reliability.
• Work with STM32 microcontrollers and associated development tools.
• Collaborate cross-functionally with mechanical, software, and systems engineers to deliver integrated subsea solutions.
• Support prototype development, testing, and troubleshooting of electronics under simulated and real subsea conditions.

What We’re Looking For

Essential Skills & Experience:

• Bachelor’s or Master’s degree in Electrical/Electronic Engineering or a related field.
• Strong experience in PCB design and layout using Altium Designer.
• Proficiency with PSPICE or equivalent tools for circuit simulation.
• Solid background in both analogue and digital circuit design.
• Proven experience in embedded C++ development for microcontroller-based systems.
• Familiarity with STM32 microcontrollers and ARM Cortex-M architectures.
• Experience with version control systems (e.g., Git) and debugging tools.
• Excellent problem-solving skills and attention to detail.
• Strong verbal and written communication skills in English.

Desirable Skills & Experience:

• Experience with environmental testing (pressure, temperature, vibration) for subsea electronics.
• Knowledge of communication protocols (e.g., UART, SPI, I2C, CAN).
• Familiarity with low-power and high-reliability design considerations.
• Background in subsea or harsh environment product development.

Why Join Us?

We offer a dynamic and innovative work environment where you will have the opportunity to develop cutting-edge underwater equipment solutions. If you are driven by results, adaptable, and passionate about engineering excellence, we want to hear from you!

In addition, we also offer:

• Flexible working arrangements, including part-time, hybrid working and 9-day fortnight
• Average of 37.5 hours per week for full-time contracts
• 30 days of holiday
• Discretionary performance-related bonus
• Recruitment referral scheme
• Many social activities and opportunities to take part in our Green Team initiatives
• Sonardyne champions scheme

Apply today and be part of our engineering team driving technological advancements in underwater systems! Everyone is welcome! We destroy stereotypes so you can be yourself at work – and thrive!

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…

About the Role

We’re looking for a highly organized and proactive Technical Assistant to join our team in Brasil. This is a key support role within the Production team, helping to keep things running smoothly both technically and administratively.

You’ll work closely with various departments, providing support on everything from maintaining technical documentation to managing office supplies and handling invoices. This is a great opportunity for someone with strong attention to detail, excellent communication skills, and a passion for organization.

What You’ll Be Doing

• Prepare and review technical documents (manuals, work instructions, reports, product specs)

• Keep records and manage document filing systems

• Handle administrative tasks including invoicing, data entry, report creation, and payment tracking

• Manage office supplies and inventory levels

• Support procurement processes in line with company policies

• Assist with project documentation and scheduling maintenance activities

• Collect and analyze KPIs to support decision-making

• Act as a link between technical and admin teams

What We’re Looking For

Essential:

• Technical degree in a related field

• Attention to detail and accuracy

• Strong organizational skills and adaptability

• Problem-solving mindset

• Good communication skills

• Intermediate English (spoken and written)

• Competent in Microsoft Office (Outlook, Excel, PowerPoint, Word)

• Finance knowledge

Desirable:

• Bachelor’s degree in logistics or a related area

• Experience with ERP systems

• Previous hands-on technical experience

• Strong time management skills

• Ability to build good working relationships

• Personal drive and enthusiasm

Additional Information

• No travel or offshore training required

• No staff management or budget responsibilities

• Permanent, full-time position

If you’re a self-starter with a keen eye for detail and a drive to support teams in a fast-paced environment, we’d love to hear from you!

Apply now and be part of Sonardyne’s journey.

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 nearly 50 years and we’re only just getting started…

Job Type: Full-Time – 18 month FTC

We are seeking a detail-oriented Assembly Technician to join our dynamic manufacturing team. You will be responsible for assembling products from PCB level through to sub-assembly and final unit production, ensuring adherence to engineering drawings and quality standards. This role is critical in maintaining the high-quality standards of our products and requires a proactive individual with a keen eye for detail.

If you join you will : 

• Assemble product components from PCB level to final unit build, following detailed engineering drawings.
• Work with wiring schedules and utilize appropriate meters to verify assembled work.
• Identify and report any specification or design errors to relevant personnel, including Cell Coordinators, Departmental Managers, or the Production Engineering team.
• Ensure all activities comply with quality system procedures and recommended timeframes within the Company ERP system.
• Raise non-conformance reports (e.g., Observation Reports, Engineering Change Requests) in line with quality system requirements.
• Foster effective collaboration with various departments (Production Engineering, Stores, Quality, etc.) to resolve assembly-related issues efficiently.
• Provide support to fellow assembly staff as needed to ensure timely project completion.
• Maintain accurate records and adhere to all administrative procedures within the Manufacturing Department.
• Utilize company IT resources (Intranet, ERP system) for part inquiries, stock searches, and other daily tasks.

Company-wide Responsibilities:

• Promote and maintain a strong safety culture, ensuring strict adherence to health, safety, and environmental policies.
• Contribute to the company’s continuous improvement initiatives, identifying opportunities for enhanced efficiency, productivity, and customer satisfaction.
• Stay informed about company operations, products, and technology through training and internal communication.
• Foster positive working relationships across departments through effective communication and teamwork.
• Adhere to all company policies and procedures, including Health & Safety, Anti-Bribery, ISO-QMS, Financial, Commercial, and Operational guidelines.
• Maintain technical and professional competencies through continuous development activities, including training and industry research.

Ideally you would have:

• Ability to read and interpret engineering drawings.
• Hands-on experience in manufacturing assembly, including soldering and crimping.
• Proficiency in using production equipment such as soldering irons and crimping tools.
• Strong IT literacy and ability to navigate digital systems.

It would be a bonus if you had : 

• Experience with surface mount technology.

Why Join Us?

• Opportunity to work in a collaborative and innovative environment.
• Career development and training opportunities.
• Competitive salary and benefits package.

If you have the required skills and experience and are looking for a rewarding role in a leading manufacturing company, apply today!

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 nearly 50 years and we’re only just getting started…

Are you an experienced Manufacturing Test Engineer with a strong background in electronics and fault diagnostics? We’re looking for a skilled professional to join our team for an 18-month fixed-term contract, ensuring the highest quality standards in testing and production of Sonardyne products.

Key Responsibilities:

• Conduct electrical, electronic, and tank test procedures throughout the production process, from component level to final assembly.
• Diagnose and resolve faults down to component level through adjustments or repairs.
• Perform basic assembly activities to support the testing process.
• Identify and escalate non-conformances, driving resolution through the appropriate channels.
• Maintain accurate documentation in line with quality system requirements.
• Work collaboratively with departments such as Production Engineering, Quality, and Stores to resolve test-related issues.
• Utilize company IT systems (ERP, intranet) for stock searches, parts inquiries, and documentation.

What We’re Looking For:

Qualifications: HNC in Electronics or equivalent in an electronic discipline.

Experience: Proven track record of diagnostic fault-finding down to component level.

Skills:

• Proficiency with testing tools such as oscilloscopes, DVMs, power supplies, and timers.
• Ability to interpret engineering drawings, circuit diagrams, and assembly drawings.
• Strong IT skills, including Microsoft Office (Outlook, Excel, Word)

Team Player: Effective communicator with a collaborative approach to problem-solving.

Why Join Us?

• Work with cutting-edge technology in a dynamic manufacturing environment.
• Be part of a team that values quality, innovation, and continuous improvement.
• Gain hands-on experience and develop your expertise in electronic testing.

Ready to take the next step? Apply now and be part of our success!