Senior Software Engineer (Control Systems) at Subsea Craft

Portsmouth, New Hampshire, United States -

Full Time

Start Date

Immediate

Expiry Date

22 Mar, 26

Salary

70000.0

Posted On

22 Dec, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Software Development, Control Systems, C++, Closed Loop Control, Embedded Systems, Testing and Validation, Software Documentation, Mentoring, Collaboration, Sensor Fusion, Path Planning, State Estimation, PID Tuning, Marine Robotics, Real-Time Systems, ROS, CAN Bus

Industry

Defense and Space Manufacturing

Description

Salary: Circa. £70,000 DOE Full Time Permanent Who we are: SubSea Craft is a fast growing, privately-funded, UK-based innovative maritime technology company specialising in next-generation, high-performance watercraft and systems. We operate at the intersection of advanced engineering, cutting-edge design, and user-centric innovation, delivering safe, effective, and enabling solutions for both commercial and defence applications. What we offer: Annual Leave – Entitlement to 25 days of annual leave plus bank holidays Wellbeing Day - An additional Wellbeing Day each year to focus on personal health and wellbeing. Private Healthcare – Access to comprehensive private healthcare coverage to support your physical and mental wellbeing. Life Assurance and Critical Illness Cover – Comprehensive protection including Life Assurance (4x salary) and Critical Illness Cover for added financial security. Family Leave – Enhanced maternity and paternity pay Christmas Leave – A Christmas shutdown is typically observed. Professional Development – Commitment to ongoing learning and career growth, supported by training programmes and access to LinkedIn Learning. Pension Contribution – pension scheme with the option to contribute via salary sacrifice Flexible Working – Opportunities for flexible working arrangements to promote work–life balance. Inclusive Culture – A professional environment that values diversity, innovation, and collaboration. Role Overview: We are looking for a talented software engineer to help shape the future of intelligent vehicle control systems. You’ll work on cutting-edge projects that blend software design, control systems, and real-world testing to deliver reliable, high-performance solutions. If you enjoy solving complex technical challenges, collaborating with a passionate team, and turning innovative ideas into reality, we’d love to hear from you. Responsibilities will include: Software systems architecture design and development in line with system requirements, with a focus on closed loop control and vehicle systems management. Application life-cycle and technical authority for mobile platforms, from scoping and architecture design to delivery. Implementation of robust, scalable closed loop control features including propulsion management, electrical systems, control allocation, autopilot and more. Testing and validation of software, including unit testing, simulation-based testing, bench testing, and sea trials. Production of comprehensive software documentation. Conducting peer reviews to ensure designs are reliable, modular, and maintainable. Mentoring and guidance for less experienced staff. Collaborating closely with the software and engineering teams to ensure timely delivery of high-quality software and documentation. Qualifications and Experience: Essential: Degree-level qualification in Computer Science, Mechatronics, Robotics, or similar, or equivalent industry experience. Professional experience in design and development of software for control systems. Advanced software development experience in modern C++ (14 or newer). Desirable: Advanced knowledge of closed loop control. Experience with marine or mobile robotics projects. Experience with embedded systems. Experience with PID tuning on physical systems. Experience with ROS or ROS2. Experience with CAN bus. Familiarity with autonomous systems and robotics software stacks. Experience with real-time systems or control systems. Understanding of sensor fusion, path planning, or state estimation. Note: Due to the nature of work undertaken at SubSea Craft, the selected candidate must be capable of meeting the security requirements of the position, which would include as a minimum existing right to live and work in the UK, Baseline Personnel Security Standard (BPSS), with UK National security clearance required for certain roles.* Values: Our people are our greatest asset, we continually strive to provide an excellent working environment to enable our team to do their best work. We have an agile professional workforce: we are founded on the belief that our people are valued and our business is trusted, inclusive and commercially-adept. What we expect from you: Teamwork, mutual respect and collaboration Initiative and independent working Honesty and integrity Business and commercial awareness Agility, adaptability and continuous development We are committed to building an inclusive, diverse workplace where everyone can thrive. If you require any support or adjustments to interact with us, please let us know. We regret that due to the high volume of applications we are unable to acknowledge every application. Please bear in mind that if you are selected for an interview we will aim to contact you within 14 days of your application or the closing date (if stated). However, if we think that your skills and qualifications may be suitable for other similar positions we may hold your details on our database and contact you in the future. Please let us know if you do not wish us to keep your details on file. *Please note that DBS, Driving Licence and reference checks will be carried out and all offers of employment are subject to meeting our requirements.

Responsibilities

The role involves designing and developing software systems architecture for control systems, focusing on closed loop control and vehicle systems management. Responsibilities also include testing and validation of software, producing documentation, and mentoring less experienced staff.