{"id":3325831,"url":"https://alion.io/job/atkinsrealis-senior-principal-systems-engineer","title":"Senior / Principal Systems Engineer","company":{"id":8926,"name":"AtkinsRéalis","domain":"atkinsrealis.com","url":"https://alion.io/company/atkinsrealis","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":84,"open_postings":427,"ghost_share":0.002,"stale_share":0.621,"repost_share":0.009,"time_to_fill_p50_days":42,"computed_at":"2026-10-28T05:59:10Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sheffield, United Kingdom","Birmingham, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":69000,"max_usd":115000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":109},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Cameo Systems Modeler","optional":false},{"name":"IBM DOORS","optional":false},{"name":"MBSE","optional":false}],"status":"live","first_seen_at":"2026-08-07T00:00:00Z","employer_posted_date":"2026-08-07","last_verified_at":"2026-10-28T12:44:14Z","board_verified":true,"closed_at":null,"days_open":82,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":82},"description":"Job Description\nOverview\nWe are looking for a Senior or Principal Systems Engineer with a strong background in Requirements Engineering and Systems Engineering delivery. This role is ideal for someone who enjoys applying Systems Engineering in live projects to support engineering delivery and help project teams navigate complex technical and organisational interfaces. You will play a key role in delivering project success while helping to grow and strengthen our Systems Engineering capability across the Nuclear EMEA business.\nInitially, this role will be in support of a defined project which is expected to last for approximately 18 months. Upon conclusion, you will remain with the Systems Engineering team and transition to support one or more new projects within the Nuclear EMEA business.\nThe Systems Engineering capability within our Nuclear EMEA business is continuing to mature and expand. As a result, you will have the opportunity to influence emerging processes, ways of working and capability development activities in support of the Systems Engineering Capability Lead, helping to shape how Systems Engineering is applied across future projects.\nYour role\nSupport a key project for a Derby-based client to develop and deliver a manufacturing and support capability acting as a requirements-focussed Systems Engineering SME relating to numerous sub-systems.\nSupport the development, review, and management of Component Requirements Documents (CRDs) and derived sub-system requirements.\nWork closely with project Requirements Lead, Buildings & Infrastructure Requirements Lead, engineering teams and client stakeholders to ensure requirements are clear, traceable, and aligned.\nApply a broader Systems Engineering to the project through a robust understanding of how requirements, interfaces, verification, validation, system decomposition, compliance, and stakeholder engagement support delivery.\nThe project will require a presence at the client office in Derby on a regular basis (exact number of days per week to be confirmed) for the duration of the project, as well as ad-hoc presence at joint venture partner offices.\nFollowing the initial project, continue supporting a diverse portfolio of Nuclear EMEA projects, including Nuclear Fuel Manufacturing, Decommissioning, and Nuclear Fusion programmes.\nAbout you\nYou have experience providing Systems Engineering leadership and applying it’s principles and those of Requirements Engineering within complex, delivery-focussed engineering projects, ideally in nuclear, defence, aerospace, or other highly regulated sectors.\nYou have experience using requirements management tools (ideally IBM DOORS Classic). Experience with MBSE tools (MagicDraw - a.k.a Cameo, Capella, or Sparx Enterprise Architect) would also be beneficial.\nYou are comfortable acting as the sole Systems Engineering focal point within a given project or workstream, engaging with technical stakeholders to clarify intent and support engineering delivery where information, requirements and interfaces may be immature.\nYou work effectively with multidisciplinary teams across engineering, project management and client stakeholder groups.\nYou are passionate about Systems Engineering and keen to support the growth and development of the Systems Engineering capability. This includes being able to explain the purpose and value of Systems Engineering to internal and external personnel with varied levels of Systems Engineering experience.\nYou have experience supporting, managing and developing junior engineers and enjoy sharing knowledge and best practices.\nYou hold, or are working towards, INCOSE Systems Engineering Professional certification (ASEP, ESEP, CSEP), with Chartership of a relevant institution being advantageous.\nYou are able to recognise opportunities where Systems Engineering can add value, helping support business growth through client engagement, relationship development and delivery excellence.\nYou bring proven Systems Engineering expertise and a collaborative approach to delivering high-quality engineering solutions.\nRewards & benefits\nExplore the rewards and benefits that help you thrive - at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.\nRewards and benefits - Careers at AtkinsRéalis\nAbout AtkinsRéalis\nWe're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.\nFind out more.\nAdditional information\nSecurity clearance\nThis role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance.\nWe are committed to creating a culture where everyone feels that they belong - a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability. As a Disability Confident Leader, we are committed to offering an interview to all applicants who have a disability and meet the essential criteria. If you would like to be considered under this commitment, please let us know at the application stage.\nWorker Type\nEmployeeJob Type\nRegularAt AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.","description_format":"text","description_chars":6769,"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","Hybrid work","Professional development"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Nuclear Energy","Transport Infrastructure","Civil & Structural Engineering","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-27T09:55:53Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker, Graduate Trainee)","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; Global Business Mobility: Graduate Trainee","cap_exempt":false,"checked_at":"2026-10-28T06:26:45+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":17,"band":"cold","label":"Long shot","p_open":1,"p_active":0.486,"p_room":0.36,"age_days":82,"expected_fill_days":42,"reasons":["conf:14","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-28T05:59:10Z"},"pay":null,"html_url":"https://alion.io/job/atkinsrealis-senior-principal-systems-engineer","json_url":"https://alion.io/job/atkinsrealis-senior-principal-systems-engineer.json","meta":{"generated_at":"2026-10-28T16:23:18Z","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":22197,"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":8926},"rest":"https://alion.io/mcp/rest/get_company?id=8926"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fatkinsrealis-senior-principal-systems-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%2Fatkinsrealis-senior-principal-systems-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%2Fatkinsrealis-senior-principal-systems-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/atkinsrealis-senior-principal-systems-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fatkinsrealis-senior-principal-systems-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3325831}},{"tool":"search_jobs","arguments":{"company":"atkinsrealis.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3325831},"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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