{"id":4016197,"url":"https://alion.io/job/volta-principal-mechanical-commissioning-engineer","title":"Principal Mechanical Commissioning Engineer","company":{"id":3862918,"name":"Volta","domain":"volta.com","url":"https://alion.io/company/volta-7","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":95,"open_postings":43,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":65,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["GB","IE"],"hiring_countries_total":2,"salary":{"min":215000,"max":270000,"currency":"GBP","period":"year","gross":null,"usd_annual":362159},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GDPR","optional":true}],"status":"live","first_seen_at":"2026-11-10T10:41:16Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T23:26:28Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About Volta\nVolta is the category-defining, fully vertically integrated AI infrastructure platform - from capital to clusters to software, under a founder-led enterprise. Our mission is The Utility of Compute™: AI infrastructure as dependable and available as electricity, for every organization that needs it. Launched with a $10B strategic partnership with one of the leading frontier AI labs, a Series A led by Andreessen Horowitz, and a $5B AI Infrastructure Fund, Volta is building the infrastructure layer of the AI era from the ground up. We are 100+ people across London, Palo Alto, and New York, with rapid growth expectations to hundreds.\nThe role\nAs Principal Mechanical Commissioning Engineer, you will be Volta's technical authority for mechanical commissioning. You will set the standards that prove cooling systems on every DSX site can carry high-density AI workloads under normal, degraded and recovery conditions.\nThis is a principal-level individual contributor role. Reporting to the Senior Director, Global Commissioning & Handover, your standards will govern every site, contractor and commissioning agent we use, and you will make the final technical call on mechanical acceptance questions across\nWhat you will do\nMechanical commissioning standards\nOwn Volta's global mechanical commissioning standards, from L1 to L5 off-site commissioning, and integrated system testing.\n\nDefine the sequence of operations (SOO), for all the mechanical commissioning activities through L1 to L5.\n\nSet test strategy for cooling plant, pumps, hydronics, air systems, water treatment and the facility side of liquid cooling.\n\nDefine cooling failure, redundancy and recovery scenarios under representative AI loads.\n\nTechnical authority\nAct as the escalation point for thermal, flow and controls issues and disputed evidence across all sites.\n\nSet the bar commissioning agents and contractors are selected and measured against.\n\nIntegrate mechanical testing with CDU, electrical, BMS/PMS and turn-up requirements.\n\nCapability and improvement\nEvolve the standards and reference design using test results and operating data.\n\nBuild mechanical commissioning capability across Volta and its partners.\n\nWhat we are looking for\nRecognised senior authority in mechanical commissioning of hyperscale or mission-critical data centres, typically 10+ years.\n\nA track record writing and owning mechanical commissioning standards across a portfolio.\n\nDeep knowledge of cooling systems, hydronics, water quality, balancing and mechanical controls.\n\nExperience leading integrated systems testing and judging thermal and hydraulic performance evidence.\n\nAbility to make high-consequence acceptance calls with designers, vendors and contractors.\n\nExperience influencing across functions and regions without direct authority.\n\nNice to have\nHigh-density AI infrastructure and liquid cooling.\n\nDynamic load testing and cooling failure recovery.\n\nMechanical commissioning across international programmes.\n\nWhat We Offer\nAt Volta, we believe people do their best work when they feel supported, trusted and able to grow. We're building a company where you can make an impact, keep a healthy balance between work and life, and build a career you're proud of. \nAs a global team, we do our best to provide great benefits wherever you're based. While some benefits vary by country due to local regulations, we believe looking after our people is simply the right thing to do.\nCompetitive salary based on the work you do here, not your previous salary\n\nEquity in Volta, giving you the opportunity to share in the company's long-term success\n\nRetirement/pension contributions\n\nComprehensive health, wellbeing and insurance benefits\n\nGenerous number of vacation days each year\n\nAdditional Information\nBackground Checks\nAll offers of employment at Volta are conditional on the satisfactory completion of pre-employment screening, which includes confirmation of your right to work, verification of your employment history and a criminal record check, where this is permitted by local law. Screening is carried out by Zinc, an accredited third-party provider, after an offer is made and all information is handled confidentially and in accordance with applicable data protection law.\nEqual Opportunity\nVolta is an equal opportunity employer. We are committed to building a diverse and inclusive team and make employment decisions based on skills, qualifications, experience and business needs. We do not discriminate on the basis of race, colour, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status or any other legally protected characteristic.\nAccessibility\nVolta is committed to providing an accessible recruitment experience for all candidates. If you require accommodations or adjustments at any stage of the application or interview process, please contact us at . We will work with you to identify reasonable accommodations that enable you to participate fully in the hiring process.\nCandidate Privacy Notice\nBy applying, you consent to the processing of your personal data for recruitment purposes in accordance with applicable data protection laws, including the UK GDPR, EU GDPR and relevant US state privacy regulations. Your data will be shared only with those involved in the hiring process and will not be used for unrelated purposes. For details, see our Recruitment & Candidate Privacy Notice.\nNote to Recruitment Agencies\nVolta does not accept unsolicited CVs or candidate profiles from recruitment agencies. Any unsolicited submissions, including those sent directly to hiring managers or employees, will be treated as the property of Volta. No agency fees will be payable unless a valid, signed recruitment agreement is in place, and the agency has been specifically engaged for the relevant vacancy.","description_format":"text","description_chars":5873,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"},{"name":"Ireland","iso":"IE","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cloud Platforms (IaaS & PaaS)","AI Compute & Inference"],"lifecycle":[{"event":"open","at":"2026-11-10T12:50:22Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":65,"reasons":["conf:1","win:early"],"computed_at":"2026-11-11T01:26:14Z"},"pay":{"stated_usd_annual":362159,"is_top_pay":true},"html_url":"https://alion.io/job/volta-principal-mechanical-commissioning-engineer","json_url":"https://alion.io/job/volta-principal-mechanical-commissioning-engineer.json","meta":{"generated_at":"2026-11-11T01:26:14Z","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":97,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":3862918},"rest":"https://alion.io/mcp/rest/get_company?id=3862918"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fvolta-principal-mechanical-commissioning-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fvolta-principal-mechanical-commissioning-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fvolta-principal-mechanical-commissioning-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/volta-principal-mechanical-commissioning-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fvolta-principal-mechanical-commissioning-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4016197}},{"tool":"search_jobs","arguments":{"company":"volta.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4016197},"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. Docs: https://alion.io/developers"}}