{"id":4282131,"url":"https://alion.io/job/arco-mechanical-engineer-data-centers","title":"Mechanical Engineer, Data Centers","company":{"id":4417304,"name":"ARCO","domain":"thearcoway.com","url":"https://alion.io/company/thearcoway","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"A","score":100,"open_postings":3,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":53,"computed_at":"2026-11-15T07:52:55Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Downers Grove, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":95000,"max":125000,"currency":"USD","period":"year","gross":null,"usd_annual":125000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AutoCAD","optional":false}],"status":"live","first_seen_at":"2026-11-13T16:11:37Z","employer_posted_date":"2026-11-13","last_verified_at":"2026-11-15T10:46:37Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"About You:\nDo you have an entrepreneurial spirit and a passion for engineering? Do you love designing andimplementing complex mechanical systems? Are you looking for a company that is constantly trying to push the boundaries of what it means to offer a better construction solution process by using design/build? If the answer is, “Yes!” then we have an opportunity that will excite you. Who are we? We are ARCO, a Family of Construction Companies.\nARCO/Murray Engineering is seeking a Mechanical Engineer to join our Mission Critical Engineering team in Downers Grove, Illinois. In this role, you will lead the full mechanical scope for hyperscale, colocation, and enterprise data center projects, guiding the development of complex cooling and mechanical infrastructure systems essential to high-availability facilities.\nYou will join an established but rapidly growing design/build group focused on delivering reliable, scalable, and efficient data center solutions. Our team collaborates closely with internal construction partners, project managers, and commissioning teams-working together to deliver world-class mission-critical environments.\nA Day in the Life: \nLead the mechanical design process for mission-critical data centers, including chilled water systems, DX systems, CRAH/CRAC, heat rejection, and white-space cooling.\nGuide system development from early concept and basis-of-design through construction documentation, commissioning, and turnover.\nApply ASHRAE TC 9.9 guidance and critical environment standards to support redundancy strategies.\nPerform cooling load calculations, CFD coordination, and mechanical equipment sizing.\nCoordinate with electrical, controls, and architectural teams to ensure system integration supporting N, N+1, and 2N redundancy.\nGenerate design and construction documents using Revit and AutoCAD.\nSupport construction by reviewing RFIs, submittals, and field conditions.\nNecessary Qualifications:\n3-5 years of mechanical engineering experience with data centers or mission-critical systems\nBachelor’s degree in Mechanical Engineering, Architectural Engineering, or related field\nProficiency with Revit and AutoCAD\nStrong understanding of critical cooling systems and redundancy strategies\nAbility to manage multiple fast-paced projects\nExperience in design/build is a plus\nWillingness to travel to project sites as required (e.g., 10-30%).\nFamiliarity with engineering deliverables in a GC setting (i.e., design-build or EPC support) is a plus.\nWhat We Can Offer You:\nWe are dedicated to the well-being of our associates and are proud to be consistently recognized as a Best Place to Work. Our compensation and benefits package not only supports our associates and their families but benefits local communities and communities around the world.\nIndustry-leading performance-based bonus program\nEmployee Stock Ownership Plan (ESOP)\nTraditional and Roth 401k\nTuition reimbursement for associates\nScholarship for associates’ children up to $28,000 per child\n1-month paid sabbatical after every five years of employment, plus $5,000 for travel\n1-week paid volunteer leave each year\n100% charitable match\nMedical, dental, and vision insurance coverage\nPaid parental leave\nTypical base compensation for the Senior Mechanical Engineer role is between $95,000 and $125,000. Candidates with extensive experience may exceed this range. In addition to base salary, the role is eligible to receive discretionary bonus compensation based on individual and company performance.\nAt ARCO, our first core value is to treat people fairly and do the right thing. We are committed to building and sustaining a culture that supports diversity and inclusion. We are proud to be an equal opportunity employer, and all qualified applicants will receive consideration for employment.\nFrom recruiting, training, and hiring practices to selecting our subcontractors, we understand that diversity of all those involved in the construction process enhances our ability to deliver the best solutions to our customers. We hire the best and the brightest from across the country - constructing a team of experts in architecture, design, engineering, project management, and business services. \nThis represents typical base compensation for the role. Candidates with extensive experience may exceed this range. In addition to base salary, the role is eligible to receive discretionary bonus compensation based on individual and company performance.\nPay Range\n$95,000—$125,000 USD\nMAKE YOUR MOVE\nWe are proud to be one of the fastest-growing, privately-owned companies in America, celebrating over 30 years of experience as design-build experts. We have completed over 7,500 design-build projects nationwide. We ranked #9 on ENR’s Design-Build Firms list and #34 on ENR's Top 400 Contractors list of 2026. Most importantly, our clients like us, trust us, and want to do business with us. We are looking for people with the same enthusiasm, passion, and respect for the hard work that brought us to where we are today. Are you a person who can make a difference at ARCO? If the answer is “Yes!” we look forward to meeting you.\nARCO does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies without pre-approval from ARCO’s Human Resources team. Pre-approval is required before any external candidate can be submitted. ARCO will not be responsible for fees related to unsolicited resumes and for candidates who are sent directly to our hiring managers. Agencies must have a fully executed vendor agreement in place as well as written approval to submit candidates from an ARCO TA Manager for a specific position before submitting candidates.\nLEGAL DISCLAIMER\nEOE, including disability/vets","description_format":"text","description_chars":5743,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["401k plan","Insurance coverage","Parental leave","Vision insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Architecture","Construction"],"lifecycle":[{"event":"open","at":"2026-11-13T20:45:03Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Filed H-1B visas in the last two years","filings_12m":0,"filings_prev_12m":3,"green_card_filings_12m":0,"median_offered_wage_usd":null,"route":null,"cap_exempt":false,"checked_at":"2026-11-15T09:21:55+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":53,"reasons":["conf:4","win:early","comp:brand"],"computed_at":"2026-11-15T07:52:55Z"},"pay":{"stated_usd_annual":125000,"is_top_pay":true},"html_url":"https://alion.io/job/arco-mechanical-engineer-data-centers","json_url":"https://alion.io/job/arco-mechanical-engineer-data-centers.json","meta":{"generated_at":"2026-11-15T14:54:22Z","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":6477,"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":4417304},"rest":"https://alion.io/mcp/rest/get_company?id=4417304"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Farco-mechanical-engineer-data-centers"},{"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%2Farco-mechanical-engineer-data-centers"},{"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%2Farco-mechanical-engineer-data-centers"},{"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/arco-mechanical-engineer-data-centers\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Farco-mechanical-engineer-data-centers"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4282131}},{"tool":"search_jobs","arguments":{"company":"thearcoway.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4282131},"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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