{"id":4009389,"url":"https://alion.io/job/iren-mechanical-engineer","title":"Mechanical Engineer","company":{"id":47565,"name":"IREN","domain":"iren.com","url":"https://alion.io/company/iren","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"HiBob","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Sydney, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AutoCAD","optional":false},{"name":"HPC","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-08-25T00:51:59Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T09:08:38Z","board_verified":true,"closed_at":null,"days_open":77,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":77},"description":"Job Type: Full Time|Location: Sydney, Australia | Department: Engineering| Reporting to: VP of Engineering |Work Location Type: #onsiteIREN\nis a vertically integrated AI Cloud provider, delivering large-scale data\ncenters and GPU clusters for AI training and inference. IREN’s platform is\nunderpinned by its expansive portfolio of grid-connected land and power in\nrenewable-rich regions across North America, Europe and APAC.\nReporting to the VP, Engineering, theMechanical Engineer will support mechanical engineering efforts for current and future site development, including the design, construction, commissioning, and operation of High Performance Computing (HPC) data centers.With 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\nServe as the mechanical SME for cooling systems across design, construction, commissioning, and operations for our High Performance Computing (HPC) data centers (HVAC, plumbing, piping, and controls).\nReview and validate specifications, calculations, drawings, and other technical deliverables from consultants, equipment manufacturers, engineering firms, and commissioning agents.\nCollaborate with architects, electrical engineers and other stakeholders to ensure integrated design solutions\nPerform technical analyses (calculations, simulations, CFD, and thermal analysis) to optimize liquid and air cooling and airflow.\nSupport project planning by contributing to schedules, budgets, and resourcing plans, and coordinating with site teams, corporate staff, and external engineering partners.\nLead or support construction, installation, and commissioning activities for mechanical systems.\nMonitor mechanical system performance to maintain operating limits and reliability, assess current and future capacity constraints, and implement energy-efficient improvements.\nDevelop technical documentation (plans, checklists, specifications, reports, procedures, and standards) to support work from design through construction, commissioning, and operations.\nMaintain records for cooling-system technical documentation and site integration, ensuring completeness, accuracy, and availability.\nCoach and provide feedback to other staff on cooling, mechanical and piping matters\nRequirements\nMinimum of Bachelor Degree in Mechanical Engineering from a recognized institution with at least 5 years of experience in Data Centers and/or mission critical facilities design, construction or operations\nSound knowledge of large-scale water and air-cooled chilled water cooling plant design, including their flow diagrams, P&IDs and sequence of operations\nExperience with energy and HVAC load calculation software tools\nKnowledge of Revit, AutoCAD, Solidworks and/or other relevant design tools\nKnowledge of computational fluid dynamics (CFD) tools\nKnowledge of data center infrastructure management (DCIM) tools and solutions\nHigh levelof knowledge of relevant ASHRAE Handbooks/Standards, ASPE design handbooks, IPC codes, IEEC codes and any other relevant to data centers and mission critical facilities\nGood leadership skills and interpersonal relations in order to lead by influencing\nExcellent verbal and written communication skills to cater to different audiences with diverse backgrounds, from junior staff to senior leadership\nSelf-driven individual, with attention to detail and ability to execute high-quality work with limited direction\nAbility to deal comfortably with uncertainty and limited resources or information\nBenefits\nCompetitive salary range finalized based on experience and impact\nShort and long-term incentive programs designed to reward both results and long term company success \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!IREN 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. This job will remain posted until filled. While we appreciate all applications we receive, we are only able to contact candidates under consideration.\nBy 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":4821,"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":[],"hiring_locations":[{"name":"Australia","iso":"AU","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Centers & Colocation","Mining & Staking"],"lifecycle":[{"event":"open","at":"2026-11-10T09:08:38Z"}],"visa":[],"liveness":{"score":18,"band":"cold","label":"Long shot","p_open":1,"p_active":0.633,"p_room":0.28,"age_days":77,"expected_fill_days":36,"reasons":["conf:2","win:tail","crowd:brand"],"computed_at":"2026-11-10T11:43:42Z"},"pay":null,"html_url":"https://alion.io/job/iren-mechanical-engineer","json_url":"https://alion.io/job/iren-mechanical-engineer.json","meta":{"generated_at":"2026-11-10T11:43:42Z","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":27256,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"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-mechanical-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%2Firen-mechanical-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%2Firen-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/iren-mechanical-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Firen-mechanical-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4009389}},{"tool":"search_jobs","arguments":{"company":"iren.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4009389},"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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