{"id":1569262,"url":"https://alion.io/job/centrica-energy-senior-mechanical-engineer","title":"Senior Mechanical Engineer","company":{"id":2052967,"name":"Centrica Energy","domain":"centricaenergy.com","url":"https://alion.io/company/centricaenergy","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":7,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":15,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":["Salford, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":63000,"max_usd":111000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":86},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"closed","first_seen_at":"2026-09-25T00:00:00Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-10-10T12:35:02Z","board_verified":false,"closed_at":"2026-10-10T12:35:02Z","days_open":15,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":15},"description":"Join us, be part of more.\nWe’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn’t rely on fossil fuels, whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. That’s why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it. \nAbout your team:\nAt Centrica Business Solutions, we’re proud to partner with over 7,000 organisations globally - helping them to balance planet, with profit. We build, operate and maintain onsite, large-scale energy assets like Solar PV and Combined Heat and Power - to help businesses to save the planet and save money. We’re also transforming the UK’s energy landscape by partnering with landowners and developers to build a 900MW portfolio of new grid-scale solar farms and battery storage assets.\nSenior Mechanical Engineer\nLocation: Salford | Hybrid working\nFull-Time - Permanent\nCompany car/ car allowance provided\nWe work in a hybrid, Flexible First way-typically spending 1/2 days a week in our Salford office plus at least a day per week visiting clients in the UK or Ireland.\nThe Team\nCentrica Business Solutions (CBS) designs, builds, operates, and maintains clean energy assets that enable customers to decarbonise their operations. Our end-to-end offering includes the supply of green energy, project delivery expertise, financing solutions, and industry-leading operational capabilities. Together, we help customers improve energy efficiency, reduce carbon emissions, and balance commercial performance with sustainability goals.\nThe Job\nThis is an exciting opportunity to play a leading role in the delivery of low-carbon mechanical building services solutions. You will contribute to the development of sustainable, zero-carbon, innovative, and high-quality mechanical designs, supporting our customers’ transition to cleaner energy systems.\nThe successful candidate will be confident working directly with clients and possess a strong track record in the design and delivery of mechanical building services installations. You will be responsible for both the detailed design and the successful integration of low-carbon technologies, as well as providing technical oversight during installation.\nKey Responsibilities\nProduce high-quality mechanical engineering documentation, including specifications, schedules, and technical reports\nCarry out pipework sizing calculations for systems including LTHW, CHW, HWS, CWS, steam, gas, flues, compressed air, and specialist systems\nPerform ductwork sizing calculations\nSize mechanical plant and equipment, including pumps, plate heat exchangers, boilers, CHP units, heat pumps, thermal stores, buffer vessels, calorifiers, fans, AHUs, and chillers\nUndertake heat gain and heat loss calculations\nDevelop heating and cooling load profiles\nCarry out thermal modelling and system performance analysis\nProduce BMS system descriptions and control strategies\nParticipate in HAZOP and LOPA studies\nConduct DSEAR assessments\nComplete PED calculations and prepare associated compliance documentation\nThe Person\nYou will be an experienced mechanical designer, currently working within building services design or a closely related discipline. You will hold a degree in Mechanical Engineering, Building Services Engineering, or a relevant equivalent qualification.\nYou will be a confident and effective communicator, capable of working both independently and collaboratively within multidisciplinary teams. You will demonstrate a proactive and innovative mindset, with a continuous focus on improving design quality, safety, and delivery outcomes. A professional, safety-first approach is essential, along with pride in delivering work to a high standard through to completion.\nQualifications & Experience\nAn Engineering Council - accredited honours degree (CIBSE, IET, or IMechE), or an HNC in a relevant discipline with a commitment to further professional development\nWorking towards, or already achieved, IEng or CEng professional registration\nA forward-thinking approach with a passion for design innovation\nExperience across a range of engineering activities, ideally including:Site surveys and inspections\nSolution development\nBuilding services design\nClient and design team meetings\nSnagging and commissioning of systems\nProblem diagnosis and solutioning\n\nPersonal Qualities\nConfident and professional when representing Centrica in client-facing environments\nStrong communication skills, with the ability to clearly explain complex engineering solutions\nHigh attention to detail and a commitment to delivering high-quality work\nAble to inspire confidence and build effective working relationships with colleagues and clients\nComfortable working autonomously, using initiative to manage technical responsibilities with minimal supervision\nAnd remember: If you don’t meet all the requirements but feel excited about this role, we still encourage you to apply. We’re building a diverse, talented team where different perspectives spark better ideas.\nWhy should you apply?\nWe’re not a perfectplace- but we’rea peopleplace. Ourpriorityis supportingall of the differentrealitiesourpeopleface. Life is aboutso muchmorethanwork. Wegetit. That’swhywe’vedesignedourtotal rewardsto give youthe flexibilityto choosewhatyouneed, whenyouneedit, makingsure thatyouand yourfamilyaresupportednot onlyfinancially, but physicallyand emotionallytoo. Visit the link belowto discoverwhywe’rea greatplaceto workand whatbeingpart of moremeansfor you.\nhttp://www.morethanacareer.energy/cbs\nIf you'refull of energy, fired up about sustainability, and ready to craft not only a better tomorrow, but a better you, then come and find your purpose in a team where your voice matters, your growth is non-negotiable, and your ambitions are our priority.\nHelp us, help you. We would love for you to share any information about yourself throughout our recruitment process so that we can better understand you and help shape your journey.","description_format":"text","description_chars":6242,"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":["Hybrid work","Professional development"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Energy & Utilities","Energy Storage","Environmental Science"],"lifecycle":[{"event":"open","at":"2026-10-01T07:03:12Z"},{"event":"close","at":"2026-10-10T12:35:02Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/centrica-energy-senior-mechanical-engineer","json_url":"https://alion.io/job/centrica-energy-senior-mechanical-engineer.json","meta":{"generated_at":"2026-10-12T07:24:44Z","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":11884,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-13T00:00:00Z"}},"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":2052967},"rest":"https://alion.io/mcp/rest/get_company?id=2052967"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcentrica-energy-senior-mechanical-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%2Fcentrica-energy-senior-mechanical-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%2Fcentrica-energy-senior-mechanical-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/centrica-energy-senior-mechanical-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcentrica-energy-senior-mechanical-engineer"}]}