{"id":3182107,"url":"https://alion.io/job/fluidstack-plumbing-engineer-rd","title":"Plumbing Engineer, R&D","company":{"id":716444,"name":"Fluidstack","domain":"fluidstack.com","url":"https://alion.io/company/fluidstack-2","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":97,"open_postings":210,"ghost_share":0.052,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":59,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Austin, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":169000,"max":208000,"currency":"USD","period":"year","gross":null,"usd_annual":208000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AutoCAD","optional":false}],"status":"live","first_seen_at":"2026-10-23T17:46:54Z","employer_posted_date":"2026-10-23","last_verified_at":"2026-10-25T08:27:15Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":1},"description":"About Fluidstack\nWe exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. \nWe're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI.\nWe hire people who care deeply about this problem space. If that is you, please apply!\nHow We Operate\nBe a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role.\n\nInsane urgency. We drive everything forward as fast as possible.\n\nReason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins.\n\nLove of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward.\n\nBuild something that actually matters. If you're going to spend your time, spend it on something that matters to the world.\n\nThe Mechanical Engineering Team\nYou'll join the mechanical engineers in Fluidstack's infrastructure R&D group, who design the cooling, water, and fire systems inside gigawatt-scale AI data centers as repeatable products rather than one-off site designs. Liquid-cooled compute makes water a primary utility: make-up water, treatment, condenser and process loops, and drainage all have to be sized, specified, and standardized so the same design ships to every site.\nExamples of key problems the team is working on\nStandardizing the domestic, process, and make-up water systems that feed liquid cooling plants so they can be ordered as kits and installed in prefabricated modules.\n\nSizing water supply, storage, and drainage for cooling loads that swing faster than conventional plumbing design assumes.\n\nCoordinating water treatment, backflow protection, and chemical dosing with the controls and water-quality engineers who operate the loops.\n\nTurning field and commissioning findings into design changes that reach the next site.\n\nRole Scope\nOwn the plumbing design. Design domestic water, process and make-up water, condenser water piping, drainage, and stormwater systems for data center buildings and prefabricated modules, from concept through construction documents.\n\nSize and specify. Run hydraulic calculations, select pumps, valves, backflow preventers, water heaters, and storage, and write the specifications vendors and contractors build to.\n\nHold the codes. Keep designs compliant with plumbing, mechanical, and health codes across the jurisdictions Fluidstack builds in, and manage the permit and inspection questions that come back.\n\nIntegrate with cooling. Work with the mechanical, water-quality, and controls engineers so make-up water, treatment, and blowdown are designed as one system with the cooling plant.\n\nSupport the build. Review contractor submittals and shop drawings, answer RFIs, and walk installations through commissioning.\n\nWhat We're Looking For\nThe below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly,tell us where you would.\n5+ years of plumbing or piping design engineering on industrial, mission-critical, or large commercial facilities, with at least one project taken through construction documents and commissioning.\n\nWorking knowledge of the IPC or UPC, IMC, and local amendments, and of how to get a design through permit review.\n\nHands-on with hydraulic calculations, pump and pipe sizing, backflow protection, and water storage design.\n\nFluency in Revit or AutoCAD MEP and a hydraulic modeling tool.\n\nYou have reviewed contractor submittals and answered RFIs, and you know which deviations matter.\n\nYou write specifications a contractor can bid without a meeting.\n\nBonus: Professional Engineer license or CPD certification. Data center or liquid-cooling plant experience. Water treatment or industrial process piping background.\n\nWe are committed to pay equity and transparency.\nFluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.\nYou will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email  with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.","description_format":"text","description_chars":5360,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Centers & Colocation","Cloud Platforms (IaaS & PaaS)","AI Compute & Inference"],"lifecycle":[{"event":"open","at":"2026-10-23T21:53:18Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 23","filings_12m":23,"filings_prev_12m":0,"green_card_filings_12m":0,"median_offered_wage_usd":248152,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":1,"expected_fill_days":59,"reasons":["conf:1","velocity","win:early","comp:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":{"stated_usd_annual":208000,"is_top_pay":true},"html_url":"https://alion.io/job/fluidstack-plumbing-engineer-rd","json_url":"https://alion.io/job/fluidstack-plumbing-engineer-rd.json","meta":{"generated_at":"2026-10-25T09:57:44Z","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":14300,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":716444},"rest":"https://alion.io/mcp/rest/get_company?id=716444"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffluidstack-plumbing-engineer-rd"},{"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%2Ffluidstack-plumbing-engineer-rd"},{"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%2Ffluidstack-plumbing-engineer-rd"},{"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/fluidstack-plumbing-engineer-rd\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffluidstack-plumbing-engineer-rd"}]}