{"id":3021532,"url":"https://alion.io/job/wsp-mechanical-engineer-principal-associate-mep-rail","title":"Mechanical Engineer (Principal/ Associate) - MEP (Rail)","company":{"id":1668012,"name":"WSP","domain":"wsp.com","url":"https://alion.io/company/wsp-ca","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":76,"open_postings":367,"ghost_share":0,"stale_share":0.97,"repost_share":0,"time_to_fill_p50_days":42,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":77000,"max_usd":126000,"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":"2026-09-14T12:12:24Z","employer_posted_date":"2026-09-14","last_verified_at":"2026-10-26T04:51:41Z","board_verified":true,"closed_at":null,"days_open":41,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":41},"description":"What if you could do the kind of work the world needs?\nAt WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you.\nThe Stations team within WSP’s Rail business are actively seeking Principal / Associate Mechanical Engineer to lead teams delivering mechanical building services designs for Railway Stations and other Railway Buildings across the UK and around the world.\nThe role includes all aspects of technical delivery, work winning and client engagement with opportunities for onward progression. The team offers excellent opportunities for the right candidate to enhance their career and deliver some of the most prestigious Rail Stations Projects in the UK.\nA little more about your role…\nProducing and supervise high quality, industry leading building designs\nRealising WSP’s and our client net zero carbon commitments and ambitions by delivering highly sustainable, low carbon design.\nBecoming part of the wider WSP business by sharing knowledge and technical skills with colleagues from around the globe.\nWorking in an environment that allows you to use your own initiative with support from specific specialist experience to deliver high-quality engineering solutions\nSupervising the completion of detailed designs and supervise the work of others in this function, whilst maximising joint learning opportunities for the wider business\nInterpretation of client specification requirements in the development of designs\nDesigning of pipework including heating, cooling, hot and cold water systems\nDesigning of ventilation systems including general ventilation systems\nSelecting of plant and equipment items based upon designs produced including but not limited to Air Handling Units, Fans, Pumps, Pressurisation Units, Boilers, Heat emitters, Chillers, Ductwork and ductwork ancillaries, Pipework and pipework ancillaries\nHaving a detailed working knowledge of compliance requirements to Building Regulations, Part L and other MEP sustainable and Net Zero design requirements.\nYou will be involved in delivering the major railway stations from early concept to handover. With the unparallel opportunity to stretch and further your knowledge and exceptional culture of support to enhance your capabilities and skills which can put your career in a growth trajectory.\nA little more about your team…\nYou will work closely with like-minded individuals on exciting and challenging projects.\nRail Station MEP team consist of more than 70 mechanical, electrical and Public Health Engineers.\nYou will join a team of professionally qualified, diverse, talented individuals who collaborate to:\nUndertake project work from across the design lifecycle, including early concept stage to detail design\nDeliver projects for Network Rail, HS2, TfL, Transport for The North, TfGM, Nexus, Local Authorities, Principal Contractors and Private Developers\nReporting to a senior member of our stations team, you will have the opportunity to work on some of the most exciting a challenging multi-disciplinary Rail stations projects around.\nOur office provides a quality, flexible and dynamic working space focused on the health and wellbeing of our staff and benefits from cutting-edge design, large amounts of natural light, large open spaces, collaborative working spaces.\nWhat we are looking for you to demonstrate…\nExperience of mechanical building services design in the Rail environment, including: heating, cooling, hot and cold water, and ventilation systems\nChartership status with a UK Engineering Institution\nUnderstanding of:the requirements of Network Rail and/or London Underground standards\nthe design of controls/BMS for mechanical systems\nthe design of above ground plumbing and waste systems, of the design of rainwater disposal systems and of the design of drainage systems\n\nImagine a better future for you and a better future for us all.\nJoin our close-knit community of talented individuals who share your passion for making a positive impact. Our global team includes more than 69,000 employees, working together to make a difference in communities both close to home and around the world.\nWith us, you can. Apply today.","description_format":"text","description_chars":4414,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Transport Infrastructure","Civil & Structural Engineering","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-21T17:57:12Z"}],"visa":[],"liveness":{"score":33,"band":"fade","label":"Fading","p_open":1,"p_active":0.554,"p_room":0.6,"age_days":40,"expected_fill_days":42,"reasons":["conf:8","stale_co","velocity","win:late","crowd:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/wsp-mechanical-engineer-principal-associate-mep-rail","json_url":"https://alion.io/job/wsp-mechanical-engineer-principal-associate-mep-rail.json","meta":{"generated_at":"2026-10-26T05:17:38Z","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":7113,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"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":1668012},"rest":"https://alion.io/mcp/rest/get_company?id=1668012"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fwsp-mechanical-engineer-principal-associate-mep-rail"},{"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%2Fwsp-mechanical-engineer-principal-associate-mep-rail"},{"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%2Fwsp-mechanical-engineer-principal-associate-mep-rail"},{"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/wsp-mechanical-engineer-principal-associate-mep-rail\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fwsp-mechanical-engineer-principal-associate-mep-rail"}]}