{"id":3367813,"url":"https://alion.io/job/alten-hvac-design-engineer-nuclear","title":"HVAC Design 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":83,"ghost_share":0,"stale_share":0.976,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","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":{"min":40000,"max":60000,"currency":"GBP","period":"year","gross":null,"usd_annual":79847},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Verification & Validation","optional":true}],"status":"live","first_seen_at":"2026-10-26T15:35:15Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-30T00:07:43Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"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 HVAC Engineer , you will join Bristol team to support our activities within the Nuclear Sector sector.\nYou will support the technical delivery of HVAC system design solutions that provide tempered and conditioned air to Reactor Island facilities, alongside systems that safely extract and treat contaminated air prior to atmospheric discharge. You will contribute across concept and detailed design phases, ensuring that ventilation and cooling solutions meet nuclear safety, performance, and legislative requirements.\nYou will work closely with system leads and multi-disciplinary engineering teams to deliver integrated HVAC and chilled water solutions for safety-critical nuclear environments.\nLocation:Bristol\nClearance: BPSS\nExperience Level: 3- 10 YOE\nKey Responsibilities:\nSupport delivery of HVAC system design solutions for nuclear facilities\nProduce and check technical deliverables for nuclear ventilation and air conditioning systems\nDevelop systems providing particulate abatement prior to discharge to atmosphere\nDesign air conditioning and cooling systems for temperature-controlled environments\nCollaborate with cross-disciplinary teams to ensure system integration and performance\nProduce HVAC design deliverables through Concept and Detailed Design phases\nGenerate technical reports, calculations, and drawings supporting system design\nAct as an HVAC subject matter expert during supplier and stakeholder engagement\nPresent design maturity and technical solutions at design reviews\n Required Skills:\nKnowledge of systems engineering principles applied to HVAC systems\nExperience developing HVAC designs from concept through detailed definition\nAbility to perform trade-off studies to achieve optimal design solutions\nExperience writing and checking HVAC technical documentation\nStrong collaboration skills across multi-disciplinary engineering teams\nAbility to plan work, manage time, and escalate technical risks appropriately\nRequired Qualifications:\nA Bachelor’s or Master’s degree in Engineering, or equivalent military experience.\nDesirable Skills:\nExperience in nuclear or other safety-critical industries\nFamiliarity with verification and validation techniques\nExperience working within regulated engineering environments\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":4830,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Health insurance","Life insurance","Military spouse friendly"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["HVAC & Refrigeration","IT Consulting & Digital Transformation","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-27T23:49:54Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"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":"2026-10-29T06:20:15+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":2,"expected_fill_days":27,"reasons":["conf:3","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-29T05:49:05Z"},"pay":{"stated_usd_annual":79847,"is_top_pay":false},"html_url":"https://alion.io/job/alten-hvac-design-engineer-nuclear","json_url":"https://alion.io/job/alten-hvac-design-engineer-nuclear.json","meta":{"generated_at":"2026-10-30T00:46:08Z","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":1041,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":52934},"rest":"https://alion.io/mcp/rest/get_company?id=52934"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Falten-hvac-design-engineer-nuclear"},{"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%2Falten-hvac-design-engineer-nuclear"},{"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%2Falten-hvac-design-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-hvac-design-engineer-nuclear\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Falten-hvac-design-engineer-nuclear"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3367813}},{"tool":"search_jobs","arguments":{"company":"alten.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3367813},"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. Docs: https://alion.io/developers"}}