{"id":750386,"url":"https://alion.io/job/alten-mechanical-engineer-nuclear","title":"Mechanical Engineer - Nuclear","company":{"id":52934,"name":"ALTEN","domain":"alten.com","url":"https://alion.io/company/alten-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":92,"ghost_share":0,"stale_share":0.967,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":["Bristol, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":54000,"max_usd":85000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":145},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-09-11T14:01:15Z","employer_posted_date":"2026-09-11","last_verified_at":"2026-11-10T18:27:05Z","board_verified":true,"closed_at":null,"days_open":60,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":60},"description":"ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.\nOur teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world-today.\nJoin us and start building tomorrow’s world today!\n As a Mechanical Design Engineer, you will take ownership of engineering activities from concept through to detailed design and manufacture. Working closely with project, commercial, and engineering teams, you will be responsible for producing robust engineering solutions while supporting project delivery, technical bids, and design substantiation activities. This role has quite a flexible remote location, but it requires lots of travel across the UK to different Nuclear sites and travel to France.\nThis role is ideally suited to an engineer with 5-9 years of experience in mechanical design, strong proficiency in SolidWorks, and the ability to communicate effectively in both French and English.\nKey Responsibilities:\nEngineering & Design\nProduce engineering designs and associated technical documentation.\nDevelop concept designs, full 3D scheme designs, and detailed manufacturing drawings using SolidWorks.\nProduce engineering substantiation through hand calculations.\nReview and verify engineering designs to ensure technical compliance and quality.\nConduct peer reviews of concept designs, CAD models, manufacturing drawings, and engineering calculations.\nDeliver engineering activities in line with project schedules and technical requirements.\nProject Delivery\nManage the day-to-day technical delivery of allocated projects.\nWork independently with minimal supervision while collaborating closely with senior engineering leadership.\nCoordinate engineering activities and support the task management of assigned engineers.\nEnsure technical deliverables are completed to the required quality, cost, and schedule targets.\nCommercial & Tender Support\nSupport the Commercial team with technical input for bids and proposals.\nReview and interpret customer technical specifications.\nProduce technical responses and develop accurate engineering estimates for tender submissions.\nContinuous Improvement\nSupport the development of engineering capability across the business.\nContribute to internship, graduate, and apprenticeship programmes.\nPromote engineering best practices, innovation, and continuous improvement initiatives.\nSupport organisational change within a fast-paced and highly regulated environment.\nHealth, Safety & Compliance\nDemonstrate a strong commitment to health, safety, and wellbeing.\nEnsure compliance with relevant UK and European standards.\nUphold data protection requirements and confidentiality standards.\nPromote diversity, inclusion, and ethical business practices.\n Required Skills:\n5-9 years of professional experience in mechanical design engineering.\nFluent in both French and English.\nStrong experience using SolidWorks for 3D design and detailed manufacturing drawings.\nExperience producing engineering calculations and design substantiation.\nAbility to interpret technical specifications and translate requirements into practical engineering solutions.\nStrong problem-solving, analytical, and communication skills.\nExperience managing engineering work packages or projects.\nRequired Qualifications:\nA Bachelor’s or Master’s degree in Engineering, or equivalent military experience.\nDesirable Skills:\nExperience within nuclear, defence, aerospace, energy, or other highly regulated sectors.\nFamiliarity with engineering standards, design verification, and technical governance processes.\nExperience supporting technical tenders and commercial proposals.\nPrevious mentoring or leadership experience.\nKnowledge of French Nuclear regulatory boards and regulations.\n Why join us?\nWe bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.\nAt ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.\nJoin a passionate team and help build tomorrow, today.\nIn short you get:\nA personalised career path and a rewarding management style \nA huge diversity of engineering projects and industries\nPrivate Medical Insurance\nCycle & Tech Scheme \nEmployee assistance programme\nLife insurance & Pension Scheme\nSocial atmosphere, regular gatherings & team buildings\nFlexible way of working (role dependent)\nWe are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes. \nALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know. \nThis role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.","description_format":"text","description_chars":6080,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"French","level":"All levels","optional":false}]},"benefits":["Health insurance","Life insurance","Military spouse friendly"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-09-11T15:34:59Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-11-10T11:34:35+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":14,"band":"cold","label":"Long shot","p_open":1,"p_active":0.512,"p_room":0.28,"age_days":59,"expected_fill_days":27,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-10T06:52:35Z"},"pay":null,"html_url":"https://alion.io/job/alten-mechanical-engineer-nuclear","json_url":"https://alion.io/job/alten-mechanical-engineer-nuclear.json","meta":{"generated_at":"2026-11-10T19:44:01Z","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":11268,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":52934},"rest":"https://alion.io/mcp/rest/get_company?id=52934"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Falten-mechanical-engineer-nuclear"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Falten-mechanical-engineer-nuclear"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Falten-mechanical-engineer-nuclear"},{"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/alten-mechanical-engineer-nuclear\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Falten-mechanical-engineer-nuclear"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":750386}},{"tool":"search_jobs","arguments":{"company":"alten.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":750386},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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