{"id":3158013,"url":"https://alion.io/job/amentum-nuclear-propulsion-technical-engineer","title":"Nuclear (Propulsion) Technical Engineer","company":{"id":14861,"name":"Amentum","domain":"amentum.com","url":"https://alion.io/company/amentum","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":105,"ghost_share":0,"stale_share":0.99,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Aerospace","role_family":"Aerospace","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warrington, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-20T00:00:00Z","employer_posted_date":"2026-08-20","last_verified_at":"2026-10-25T10:59:41Z","board_verified":true,"closed_at":null,"days_open":66,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":66},"description":"At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive.\nHere, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all.\nWe’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities.\nPeople are our greatest asset, and we offer a competitive package to retain and attract the best talent.\nIn addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business. Career development is also offered.\nAbout the Opportunity:\nAbout IA&R (Independent Assurance and Regulation)\nIA&R provides risk based, proportionate, independent oversight and assurance to the defence and civil nuclear industry. In addition, we identify, define and execute programmes of Research and Technology to support some of the world’s most complex engineering challenges, including the UK Naval Nuclear Propulsion Programme (NNPP).\nAbout the Role\nOur dynamic, customer facing Independent Nuclear Assurance (INA) team has been supporting the NNPP for over sixty years. We pride ourselves on being a customer friend with a proven track record of providing authoritative and pragmatic nuclear safety and technical advice. An opportunity has arisen to join this diverse team of highly experienced staff who provide a key role in supporting the safe operation of the UK’s submarine fleet.\nAs a Nuclear Technical Engineer, you will help deliver independent assurance services to the MoD. This includes the provision of safety and technical advice for both current and future submarine Naval Reactor Plants (NRP). This involves working collaboratively with specialists from a wide range of technical disciplines, internal to Amentum, MoD and their contractors, to provide balanced, proportionate and timely support to ensure nuclear risks are identified, assessed and appropriately managed.\nWe are seeking personnel who are passionate about nuclear safety and technology and a desire to work in support of these complex and challenging projects which are vital to the UK’s defence strategy. This work requires a general knowledge of the design and operation of the NRP, nuclear safety case development and methodologies, and the ability to communicate effectively. We are particularly interested in individuals with an aptitude and enthusiasm for core materials, structural performance of systems/components and EC&I to complement our existing team.\nWe are able to provide comprehensive training across a range of technical areas to support personal development. Therefore, if you feel you meet most but not all of the requirements or work in civil nuclear/high hazard industries and are keen to take on a new challenge, we would like to hear from you.\nKey Responsibilities\nProviding authoritative advice to MoD through safety and technical assessments.\n\nSupporting collaborative meetings with MoD and their contractors.\n\nCo-ordinating advice/output across a range of relevant technical disciplines.\n\nWorking according to the best applicable safety, technical and regulatory standards to support agreed programmes.\n\nWorking in accordance with business requirements for health, safety, environment, and security, as well as seeking continuous improvements in all aspects of work.\n\nHere’s What You’ll Need\nDegree (Level 6) in Science or Engineering (or equivalent).\n\nMembership of (or working towards) a professional institution is desirable.\n\nKnowledge or operational experience of the Naval Reactor Plant is desirable.\n\nKnowledge of safety cases (structures and function).\n\nFamiliarity with related documentation (NRPA NSMAs, DSA02-DNSR, ONR SAPs etc).\n\nClear, concise technical writing and communication skills.\n\nOur Culture:\nOur values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration.\nWe strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work.\nWhen we embrace different perspectives and work together, we become more innovative, more agile, and more successful.\nWe partner with VERCIDA, for greater online accessibility please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.\nIf you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact ","description_format":"text","description_chars":5907,"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":["Flexible schedule","Parental leave","Professional development"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Military Logistics","Business Process Outsourcing (BPO)","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-23T15:08:45Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Skilled Worker, Senior or Specialist Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Skilled Worker; Global Business Mobility: Senior or Specialist Worker","cap_exempt":false,"checked_at":"2026-10-24T06:24:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":4,"band":"cold","label":"Long shot","p_open":1,"p_active":0.145,"p_room":0.28,"age_days":66,"expected_fill_days":17,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/amentum-nuclear-propulsion-technical-engineer","json_url":"https://alion.io/job/amentum-nuclear-propulsion-technical-engineer.json","meta":{"generated_at":"2026-10-25T21:57:00Z","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":31013,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":14861},"rest":"https://alion.io/mcp/rest/get_company?id=14861"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Famentum-nuclear-propulsion-technical-engineer"},{"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%2Famentum-nuclear-propulsion-technical-engineer"},{"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%2Famentum-nuclear-propulsion-technical-engineer"},{"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/amentum-nuclear-propulsion-technical-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Famentum-nuclear-propulsion-technical-engineer"}]}