{"id":2552780,"url":"https://alion.io/job/subsea-craft-senior-software-engineer-control-systems","title":"Senior Software Engineer (Control Systems)","company":{"id":686815,"name":"SubSea Craft","domain":"subseacraft.com","url":"https://alion.io/company/subseacraft","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Portsmouth, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":60000,"max":80000,"currency":"GBP","period":"year","gross":null,"usd_annual":105191},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Agile","optional":true},{"name":"Path Planning","optional":true},{"name":"ROS2","optional":true},{"name":"Sensor Fusion","optional":true}],"status":"live","first_seen_at":"2026-10-14T18:23:43Z","employer_posted_date":"2026-10-14","last_verified_at":"2026-10-15T01:39:29Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Job Description\nSalary: £60,000 - £80,000 DOE\nFull Time\nPermanent\nWho 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.\nRole Overview\nWe are hiring a senior software engineer to design and deliver the control software for our intelligent vehicles. You will own the architecture of closed loop control and vehicle systems management, and take it from scoping through to sea trials. You will also act as technical authority for our mobile platforms and mentor less experienced engineers.\nWhat we offer:\nAnnual Leave - Entitlement to 25 days of annual leave plus bank holidays\nWellbeing Day - An additional Wellbeing Day each year to focus on personal health and wellbeing.\nPrivate Healthcare - Access to comprehensive private healthcare coverage to support your physical and mental wellbeing.\nLife Assurance and Critical Illness Cover - Comprehensive protection including Life Assurance (4x salary) and Critical Illness Cover for added financial security.\nFamily Leave - Enhanced maternity and paternity pay\nChristmas Leave - A Christmas shutdown is typically observed.\nProfessional Development - Commitment to ongoing learning and career growth, supported by training programmes and access to LinkedIn Learning.\nPension Contribution - pension scheme with the option to contribute via salary sacrifice\nFlexible Working - Opportunities for flexible working arrangements to promote work-life balance.\nInclusive Culture - A professional environment that values diversity, innovation, and collaboration.\nResponsibilities will include:\nDesign and develop software architecture in line with system requirements, focusing on closed loop control and vehicle systems management.\nImplement closed loop control features, including propulsion management, electrical systems, control allocation and autopilot.\nWrite and maintain software documentation, including design records.\nMentor and guide less experienced engineers.\nWork with the wider software and engineering teams to deliver software and documentation on time.\nReview peers' designs so that they stay reliable, modular and maintainable.\nTest and validate your software through unit tests, simulation, bench testing and sea trials.\nAct as technical authority for the software on our mobile platforms, from scoping and architecture through to delivery.\nQualifications and Experience:\nRequired:\nDegree-level qualification in Computer Science, Mechatronics, Robotics, or similar, or equivalent industry experience.\nProfessional experience in design and development of software for control systems.\nAdvanced software development experience in modern C++ (14 or newer).\nDesirable skills and experience (any would be an advantage):\nAdvanced knowledge of closed loop control, including PIDtuning on physical systems.\nExperience with marine or mobile robotics.\nExperience with embedded or real-time systems.\nExperience with ROSor ROS2.\nExperience with CAN bus.\nUnderstanding of sensor fusion, path planning or state estimation.\nFamiliarity with autonomous systems and robotics software stacks.\nNote: 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.*\nValues: 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.\nWhat we expect from you:\nTeamwork, mutual respect and collaboration\nInitiative and independent working\nHonesty and integrity\nBusiness and commercial awareness\nAgility, adaptability and continuous development\nWe 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.\n*Please note that all offers of employment are conditional and subject to satisfactory DBS, driving license and reference checks. A criminal record will not automatically disqualify candidates from employment. We will consider criminal record information alongside the wider range of evidence gathered at the application, interview, and pre-employment checking stages.\nDue to the high volume of applications, we are unable to respond to everyone. If you are shortlisted, we will aim to contact you within 14 days of your application or the closing date (if stated). We may retain your details for future suitable roles unless you advise us otherwise.\nFor details of how we process your personal data, please refer to our Privacy Notice.","description_format":"text","description_chars":5129,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Annual leave","Flexible schedule","Parental leave","Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Electrical & Electronic Engineering","Marine & Ocean Engineering","Naval Systems"],"lifecycle":[{"event":"open","at":"2026-10-14T18:23:43Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker","cap_exempt":false,"checked_at":"2026-10-14T06:20:30+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":42,"reasons":["conf:2","win:early"],"computed_at":"2026-10-15T03:45:26Z"},"pay":{"stated_usd_annual":105191,"is_top_pay":false},"html_url":"https://alion.io/job/subsea-craft-senior-software-engineer-control-systems","json_url":"https://alion.io/job/subsea-craft-senior-software-engineer-control-systems.json","meta":{"generated_at":"2026-10-15T03:45:26Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":5276,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":686815},"rest":"https://alion.io/mcp/rest/get_company?id=686815"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsubsea-craft-senior-software-engineer-control-systems"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsubsea-craft-senior-software-engineer-control-systems"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsubsea-craft-senior-software-engineer-control-systems"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/subsea-craft-senior-software-engineer-control-systems\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsubsea-craft-senior-software-engineer-control-systems"}]}