{"id":152027,"url":"https://alion.io/job/assystem-senior-layout-integration-engineer","title":"Senior Layout Integration Engineer","company":{"id":5278,"name":"Assystem","domain":"assystem.com","url":"https://alion.io/company/assystem","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":75,"open_postings":226,"ghost_share":0,"stale_share":0.982,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Newcastle upon Tyne, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":59000,"max_usd":108000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":41},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Siemens NX","optional":false}],"status":"live","first_seen_at":"2026-06-18T09:12:02Z","employer_posted_date":"2026-06-18","last_verified_at":"2026-10-28T18:23:12Z","board_verified":true,"closed_at":null,"days_open":132,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":131},"description":"Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.\nAssystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.\n Join the Fusion and Modular Nuclear Business Unit! Reporting to the Layout Engineering Manager, the Senior Layout Integration Engineer will lead development of integrated plant layouts across Fusion and Modular Nuclear programmes.\nThe successful candidate will act as a technical focal point for major plant areas or work packages, leading multidisciplinary coordination activities, resolving interfaces and driving design maturity through engineering studies, design reviews and technical decision-making.\nThe Senior Layout Integration Engineer will be accountable for delivery of assigned layout work packages, ensuring technical quality, integration and programme commitments are achieved.\nKey Responsibilities\nLead plant layout development from concept through detailed design.\nLead development of equipment, piping, cable tray, access and maintenance arrangements.\nLead piping routing studies and layout optimisation activities.\nOwn delivery of assigned layout work packages and plant areas.\nManage requirements, assumptions, constraints and interfaces across assigned scope.\nCoordinate interfaces between systems, buildings, structures and supporting infrastructure.\nFacilitate model reviews, layout reviews and multidisciplinary technical workshops.\nLead clash detection and interface management activities.\nSupport Human Factors, Fire, Architectural and Civil & Structural integration activities.\nEnsure layout solutions satisfy system, operational, safety, construction and maintenance requirements.\nLead multidisciplinary activities to resolve requirements conflicts and integration challenges.\nAuthor technical reports, optioneering studies, design philosophies and engineering recommendations.\nPresent and defend technical recommendations to stakeholders.\nSupport modularisation, transportation, lifting and construction assessments.\nMentor engineers and designers.\nSupport development of layout standards, methodologies and best practice.\nWhy Apply?\nJoin Assystem and become a key player in delivering critical nuclear projects that shape the future of energy. Embrace this opportunity to excel in a dynamic environment where your expertise and leadership will drive global innovation.\nBenefits include:\nPension scheme (8% company contribution / 4% personal contribution)\n25 days’ paid annual leave + bank holidays + option to buy or sell days \nProfessional fees reimbursed\nFlexible working\nEmployee referral scheme \n Essential Skills, Qualifications and Experience\nDegree qualified in Mechanical Engineering or related discipline, or equivalent industrial experience.\nSignificant experience in plant layout, piping layout, plant integration or multidisciplinary engineering delivery.\nExperience leading plant area development and multidisciplinary coordination activities.\nExperience facilitating design reviews, model reviews and technical workshops.\nExperience using E3D, PDMS, Plant 3D, Siemens NX, Revit, Inventor or similar CAD/BIM platforms.\nExperience using Navisworks or equivalent clash detection software.\nStrong understanding of equipment arrangement, piping layout, constructability and plant integration.\nStrong understanding of systems engineering principles, requirements management and interface management.\nExperience supporting gated design review processes and technical governance activities.\nStrong report writing, presentation and stakeholder engagement skills.\nAbility to author, defend and implement technical recommendations.\nSC Clearance or capable of achieving it.\nDesirable Skills and Experience\nExperience within the nuclear, fusion, SMR or AMR sectors.\nExperience leading major work packages or plant areas.\nExperience supporting modularisation and construction studies.\nCandidates able to demonstrate experience through technical leadership and delivery of complex engineering projects are encouraged to apply.\n We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter! Bring your unique contributions and help us shape the future.\nNOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.\nWe are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.","description_format":"text","description_chars":5482,"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"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Nuclear Energy","Nuclear Engineering","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-06-18T09:12:02Z"}],"visa":[],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.235,"p_room":0.28,"age_days":131,"expected_fill_days":28,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/assystem-senior-layout-integration-engineer","json_url":"https://alion.io/job/assystem-senior-layout-integration-engineer.json","meta":{"generated_at":"2026-10-28T21:20:05Z","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":29460,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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":5278},"rest":"https://alion.io/mcp/rest/get_company?id=5278"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fassystem-senior-layout-integration-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%2Fassystem-senior-layout-integration-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%2Fassystem-senior-layout-integration-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/assystem-senior-layout-integration-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fassystem-senior-layout-integration-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":152027}},{"tool":"search_jobs","arguments":{"company":"assystem.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":152027},"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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