{"id":4096175,"url":"https://alion.io/job/iren-construction-senior-millwright","title":"Construction Senior Millwright","company":{"id":47565,"name":"IREN","domain":"iren.com","url":"https://alion.io/company/iren","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HiBob","truth_index":{"grade":"B","score":80,"open_postings":62,"ghost_share":0,"stale_share":0.806,"repost_share":0,"time_to_fill_p50_days":40,"computed_at":"2026-11-15T07:52:55Z"}},"role":"Field & Service","role_family":"Field & Service","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Sweetwater, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-08-26T19:30:06Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-15T04:56:42Z","board_verified":true,"closed_at":null,"days_open":80,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":80},"description":"Job Type: Full-Time | Location: Sweetwater, TX | Department: Construction | Reporting to: Associate Director, Construction | Work Location Type: #onsite\nIREN is a vertically integrated AI Cloud provider, delivering large-scale data centers and GPU clusters for AI training and inference. IREN’s platform is underpinned by its expansive portfolio of grid-connected land and power in renewable-rich regions across North America, Europe and APAC.\nThe Senior Millwright is responsible for planning, coordinating, and supervising all millwright-related activities associated with the installation, alignment, commissioning, and startup of chiller plant systems supporting a direct-to-chip liquid-cooled data center. This role ensures mechanical systems are installed safely, on schedule, within budget, and in accordance with design specifications, quality standards, and commissioning requirements. The position requires deep expertise in rotating equipment, large-scale hydronic systems, and mission-critical environments.\nWith 100% renewable energy, we build, own and operate our data centers and take pride in being at the forefront of sustainable solutions for the ever-evolving applications of high-performance compute. We believe that human progress is invaluable, but it should be done in the right way - responsibly, sustainably and having a positive impact on the communities we operate in.\nResponsibilities\nLeadership & Supervision\nLead and supervise millwright crews, subcontractors, and specialty vendors on-site\nServe as the subject matter expert (SME) for mechanical equipment installation and precision alignment\nPlan and coordinate daily work activities, manpower, and crew assignments\nPromote and enforce site safety standards and a zero-incident culture\nInstallation & Execution\nOversee installation of major mechanical systems, including:Chillers (air-cooled and/or water-cooled) \nCooling towers and heat rejection systems \nPumps (primary, secondary, and tertiary loops) \nHeat exchangers, including CDU interfaces \nLarge-bore piping systems and valve assemblies \n\nEnsure proper rigging, setting, leveling, grouting, and precision alignment of rotating equipment\nVerify tolerances, clearances, and installation procedures meet OEM specifications\nDirect-to-Chip Cooling Integration\nCoordinate installation interfaces between chiller plant systems and Coolant Distribution Units (CDUs)\nEnsure proper integration between facility water systems and IT liquid cooling loops\nSupport pressure testing, system flushing, and cleanliness requirements for liquid cooling systems\nCollaborate with controls teams on thermal management strategies and system sequencing\nScheduling & Planning\nDevelop and maintain installation schedules in coordination with project management\nIdentify and mitigate schedule risks, including equipment delivery and site constraints\nCoordinate activities across trades, including pipefitters, electricians, controls, and commissioning teams\nQuality Assurance & Commissioning\nEnsure all work complies with project specifications, codes, and QA/QC standards\nLead mechanical pre-functional checklists (PFCs) and installation verification activities\nSupport system startup, testing, balancing (TAB), and commissioning activities\nIdentify and resolve installation issues, non-conformances, and punch list items\nSafety & Compliance\nEnforce OSHA and site-specific safety requirements\nConduct toolbox talks, job hazard analyses (JHAs), and safety audits\nEnsure proper use of rigging equipment, lifting plans, and lockout/tagout (LOTO) procedures\nDocumentation & Reporting\nMaintain daily reports, installation logs, and progress tracking\nReview and interpret construction drawings, P&IDs, and equipment submittals\nCoordinate redlines and support development of as-built documentation\nRequirements\nMillwright journeyman certification or equivalent trade training preferred.\nHigh school diploma or equivalent required; associate’s or bachelor’s degree in mechanical engineering, construction management, or related field preferred.\nMinimum of 8 years of experience in millwright or mechanical installation, with at least 3 years in a supervisory role.\nDemonstrated experience leading field crews and managing subcontractors on complex construction projects.\nProven experience with large-scale chiller plants and hydronic systems.\nStrong background in rotating equipment installation and precision alignment (laser alignment preferred).\nExperience on mission-critical projects (e.g., data centers, hospitals, industrial facilities).\nAbility to read and interpret mechanical drawings, P&IDs, and equipment installation manuals.\nOSHA 30 certification required.\nExperience with data center construction, particularly liquid cooling or direct-to-chip systems preferred.\nFamiliarity with CDU systems and high-density thermal management preferred.\nKnowledge of commissioning processes (Cx) and TAB (Testing, Adjusting, Balancing) preferred.\nExperience with BIM coordination and clash detection tools preferred.\nOther Important Requirements:Pre-employment screening, including background check and substance testing may be required according to company policies.\nMust provide own steel-toed work boots; other PPE will be supplied.\nMust be able to reliably commute to the work site daily or have plans to relocate before starting work.\nMust be comfortable working a rotational schedule, which includes day and night shifts as well as weekend work, based on project needs.\nEmployees working night shifts will receive a 15% premium added to their hourly rate only for hours worked during night shifts.\nBenefits\nAt IREN, we offer a comprehensive, market-competitive total rewards package designed to support employees’ well-being, career advancement, and financial wealth. Our offerings reflect our commitment to Proceed with Purpose while rewarding high performance and long-term growth.Compensation \nPer Diem amount of $180.00 and project allowance, when applicable\n15% night-shift premium for eligible roles, when applicable\nOvertime compensation for non-exempt workers for hours worked over 40 per week\nRelocation and Living-out-allowance (as applicable and based on successful candidate circumstances)\nHealth & Wellness \n100% company paid health insurance premiums (medical, dental, and vision) for employees, 75% company paid coverage for dependents\nCompany-paid short-term and long-term disability insurance\nVoluntary life, critical illness, and accident coverage available\nHealth Savings Accounts (HSA) - when combined with the High-Deductible Health Plan\nEmployee Assistance Program and wellness resources\nRetirement & Financial Wealth\n401(k) retirement plan with company match\nPaid professional development and access to financial planning and legal services\nTime Off & Leave Programs \nPaid Time Off (PTO) and paid holidays\nGrowth & Development\nProfessional development to support certifications, continuing education, or role related training\nCommunity & Culture\nCompany events and team-building activities\nWe value diverse perspectives and believe that skills can be developed. If you’re passionate about this role, we want to hear from you - whether you meet every criteria or not. Your unique experiences might be exactly what we need!\nIE US Operations Inc., the employing entity and proud member of the IREN group is an equal opportunity employer that is committed to creating an inclusive workplace. We are committed to evaluating qualified applicants and do not discriminate against protected characteristics under applicable legislation.\nIE US Operations, Inc. “IREN” participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the United States.By applying for this position and submitting your resume and application materials, you consent to the processing of your personal information in accordance with our Job Applicant Privacy Statement available on our website at www.iren.com.","description_format":"text","description_chars":7992,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"high_school","optional":true},"security_clearance":false,"languages":[]},"benefits":["Company events","Health insurance","Professional development","Retirement plans"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Data Centers & Colocation","Mining & Staking"],"lifecycle":[{"event":"open","at":"2026-11-11T21:06:45Z"}],"visa":[],"liveness":{"score":15,"band":"cold","label":"Long shot","p_open":1,"p_active":0.544,"p_room":0.28,"age_days":80,"expected_fill_days":40,"reasons":["conf:2","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-15T07:52:55Z"},"pay":null,"html_url":"https://alion.io/job/iren-construction-senior-millwright","json_url":"https://alion.io/job/iren-construction-senior-millwright.json","meta":{"generated_at":"2026-11-15T14:09:58Z","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":5278,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-16T00:00:00Z"}},"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":47565},"rest":"https://alion.io/mcp/rest/get_company?id=47565"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Firen-construction-senior-millwright"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"free","price":{"credits":0,"usd":0},"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%2Firen-construction-senior-millwright"},{"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%2Firen-construction-senior-millwright"},{"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/iren-construction-senior-millwright\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Firen-construction-senior-millwright"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4096175}},{"tool":"search_jobs","arguments":{"company":"iren.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4096175},"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. 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