{"id":2847250,"url":"https://alion.io/job/aecom-principal-system-safety-engineer","title":"Principal System Safety Engineer","company":{"id":3394,"name":"AECOM","domain":"aecom.com","url":"https://alion.io/company/aecom","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":74,"open_postings":786,"ghost_share":0.022,"stale_share":0.967,"repost_share":0.022,"time_to_fill_p50_days":34,"computed_at":"2026-10-22T06:10:10Z"}},"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":["Swindon, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":73000,"max_usd":121000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":102},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-19T09:58:17Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-22T12:35:17Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Work with Us. Change the World.\nAt AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.\nThere has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.\nWe're one global team driven by our common purpose to deliver a better world. Join us.\n Join our vibrant and multidisciplinary Transportation Engineering team.\nAecom holds extensive knowledge in planning, designing and managing transportation systems - as well as restoring and replacing aging infrastructure - to help our public and private clients find smarter, more advanced ways to move people across cities, countries and continents.\nWe are currently searching for a Principal Systems Safety Engineer to come and join us here at Aecom in one of our offices in the UK and focus on the rail projects as part of the Systems Engineering and Safety Assurance team.\nHere’s what you’ll do\nDevelopment of System Engineering and Assurance plans and processes\nSupport safety and assurance management for projects (i.e. CSM-REA, EN50126)\nDevelop and manage project safety process - development of System Safety Plan, System Definition, management of Hazard Records, working with the wider project team to capture and manage Hazards\nStakeholder management - engage and support clients with authorisation bodies and independent assessments\nPrepare and develop safety requirements/specifications\nSupport the development of Engineering Safety Cases / Safety Justification\nDevelop Project Authorisation Strategies and support projects with the delivery of the applicable Rail Interoperability Regulations\nDevelop scope of works and work packages with clients\nParticipates in multi-disciplinary review of project deliverables\nWish to develop in the engineering budeget and schedule to meet requirements expertation\nServe as the systems safety resource for the Principal and Associate in projects.\nIf you're driven to innovate and turn bold ideas into reality, AECOM welcomes you.\nJoin our team, where we don't just construct infrastructure but also uplift communities and enhance lives.\nWhy not give our AECOM Transportation page on LinkedIn a follow to stay updated on the impactful projects we're working on and see firsthand the difference we're making in the industry!\nReady to push the limits of what’s possible?\nHere’s what we’re looking for:\nEngineering degree or equivalent\nPossess excellent oral and written communication skills\nRailway systems and assurance experience inc. system safety and interoperability\nKnowledge of UK Health and Safety Legislation and Regulations\nWe celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you need accommodations during the application process, please contact us a . At AECOM, we value everyone's unique contributions and perspectives.\nIf you feel you only meet some of the requirements above or have certain transferrable skills that you think could bring to us, then we would be delighted to hear from you!\nAdditional information\nAbout AECOM\nAECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2023. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.\n At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.\nAbout AECOM\nAECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.\nFreedom to Grow in a World of Opportunity\nYou will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.\nYou will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.\nAECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together - your growth and success are ours too.\nJoin us, and you’ll get all the benefits of being a part of a global, publicly traded firm - access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.\nWe are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address  if you would like to apply through the Disability Confident Interview Scheme.\nAll your information will be kept confidential according to EEO guidelines.","description_format":"text","description_chars":7308,"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":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Equity","Hybrid work"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Civil & Structural Engineering","Urban Planning","Architecture","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-19T11:36:52Z"}],"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":"2026-10-22T06:27:10+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":34,"reasons":["conf:0","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/aecom-principal-system-safety-engineer","json_url":"https://alion.io/job/aecom-principal-system-safety-engineer.json","meta":{"generated_at":"2026-10-22T12:49:14Z","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":11530,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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":3394},"rest":"https://alion.io/mcp/rest/get_company?id=3394"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Faecom-principal-system-safety-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%2Faecom-principal-system-safety-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%2Faecom-principal-system-safety-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/aecom-principal-system-safety-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Faecom-principal-system-safety-engineer"}]}