{"id":4090349,"url":"https://alion.io/job/roi-agency-mechanical-engineer-42","title":"Mechanical Engineer","company":{"id":4430278,"name":"ROI Agency","domain":"roiagency.us","url":"https://alion.io/company/roi-agency","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Comeet","truth_index":{"grade":"A","score":92,"open_postings":37,"ghost_share":0,"stale_share":0.514,"repost_share":0,"time_to_fill_p50_days":16,"computed_at":"2026-11-11T05:49:22Z"}},"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":"structured","locations":["Ashburn, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":120000,"max":170000,"currency":"USD","period":"year","gross":null,"usd_annual":170000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-11-11T17:29:14Z","employer_posted_date":"2026-11-11","last_verified_at":"2026-11-11T20:01:47Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Description\nMechanical Engineer Subject Matter Expert (SME)\nWORK LOCATION: REMOTE (WITH OCCASIONAL TRAVEL)\nThis is a remote position with travel required for project site visits during the Construction Administration (CA) phase and site surveys for existing facilities (brownfield projects). All approved business travel expenses are reimbursed in accordance with company travel policies.\nCandidates who prefer an office-based or hybrid work arrangement may discuss available options.\nANTICIPATED TRAVEL: 10%-25%\nSALARY RANGE: $120,000-$170,000 annually\n\nJob Summary:\nSeeking an experienced Mechanical Engineer with 5-10 years of experience designing and leading mission critical mechanical systems for data centers and other high-availability facilities. Serves as the technical authority for HVAC, cooling infrastructure, heat rejection systems, controls integration, and mechanical resiliency strategies. Responsible for developing innovative, energy-efficient, and maintainable solutions while ensuring compliance with industry standards and client performance objectives.\nKey Responsibilities\nServe as the lead mechanical SME for mission critical and data center projects.\nDevelop cooling system concepts including air-cooled and water-cooled chilled water plants, direct expansion (DX) systems, and liquid cooling solutions.\nLead mechanical design through feasibility, concept, schematic, design development, construction documents, and construction administration phases.\nPerform and oversee cooling load analysis, equipment selection, and redundancy evaluations.\nDevelop mechanical resiliency strategies to achieve N, N+1, 2N, and concurrently maintainable designs.\nCoordinate with electrical, controls, plumbing, structural, telecommunications, and architectural disciplines.\nProvide technical oversight of vendor equipment including chillers, cooling towers, CRAHs, AHUs, fan walls, CDU systems, pumps, and BAS controls.\nSupport utility capacity assessments and campus master planning efforts.\nLead technical reviews, QA/QC processes, and commissioning support activities.\nMentor junior mechanical engineers and support technical staff development.\nPreferred Experience\n5-10 years of mechanical design experience in mission critical environments.\nExperience with hyperscale, colocation, enterprise, healthcare, or other high-availability facilities.\nFamiliarity with liquid cooling technologies, including direct-to-chip and immersion cooling applications.\nExperience with central utility plants ranging from 3 MW to 100+ MW campuses.\nKnowledge of ASHRAE TC 9.9 thermal guidelines, energy efficiency strategies, water usage effectiveness (WUE), and power usage effectiveness (PUE) considerations.\nExperience supporting commissioning, integrated systems testing (IST), and operational readiness reviews.\nTechnical Expertise\nChilled water plants\nAir-cooled chillers\nWater-cooled chillers\nCooling towers\nCRAH and CRAC systems\nFan wall systems\nPumping and hydronic systems\nData hall airflow management\nLiquid cooling infrastructure\nBuilding Automation Systems (BAS)\nEnergy modeling and lifecycle cost analysis\nMechanical reliability and maintainability assessments\nTypical Qualifications\nBachelor's degree in Mechanical Engineering.\nProfessional Engineer (PE) license preferred or actively pursuing licensure.\nLEED Accredited Professional and/or Certified Energy Manager (CEM) preferred.\nStrong understanding of ASHRAE, NFPA, IMC, and local building code requirements.\nExcellent communication, technical leadership, and client-facing skills.\nCOMPREHENSIVE BENEFITS & EMPLOYEE PERKS\nHealth & Wellness Benefits\nMedical Insurance: Four plan options through UnitedHealthcare, including PPO (Select and Select Plus) and High-Deductible Health Plans (Core and Core Plus). Two Kaiser plan options are available in California only.\nHealth Savings Account (HSA) or Flexible Spending Account (FSA): Tax-advantaged savings options based on medical plan selection.\nDental Insurance: Two Delta Dental plan options, both covering eligible preventive care at 100% with no deductible.\nVision Insurance: Coverage through EyeMed.\nEmployee Assistance Program (EAP): Resources and support for personal and professional well-being.\nFinancial Protection & Retirement\n401(k) Retirement Plan: Up to 4.5% in total employer contributions, including:\nUp to 3.5% employer match on employee contributions (100% of the first 1% contributed and 50% of the next 5%).An additional discretionary 1% contribution in company shares for eligible employees who contribute at least 5% and remain employed through December 31.\nStudent Loan Payment Matching: Eligible student loan payments can qualify for employer retirement contributions, even without making 401(k) payroll contributions. Student loan payments and 401(k) contributions can be combined to earn up to the maximum 4.5% employer contribution.\nCompany-Paid Life & AD&D Insurance: Basic coverage equal to one times annual salary, up to $250,000.\nCompany-Paid Disability Insurance: 100% employer-paid short-term and long-term disability coverage.\nWork-Life Balance\nPaid Time Off (PTO)\nParental Leave\nAdditional Voluntary Benefits\nEmployees can further customize their benefits with optional coverage and programs, including:\nSupplemental Life Insurance\nAdditional Long-Term Disability Insurance\nAccident, Critical Illness, and Hospital Indemnity Insurance through MetLife\nLegal Services through LegalShield\nIdentity Theft Protection through LifeLock\nPeriodic Opportunities to Purchase Company Shares Directly\nBenefits are subject to plan terms, eligibility requirements, and applicable company policies.\nRequirements\nTypical Qualifications\n5-10 years of mechanical design experience in mission critical environments.\nExperience with hyperscale, colocation, enterprise, and edge data center environments.\nBachelor's degree in Mechanical Engineering.\nProfessional Engineer (PE) license preferred or actively pursuing licensure.\nLEED Accredited Professional and/or Certified Energy Manager (CEM) preferred.\nStrong understanding of ASHRAE, NFPA, IMC, and local building code requirements.\nExcellent communication, technical leadership, and client-facing skills.","description_format":"text","description_chars":6184,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Dental insurance","Health insurance","Hybrid work","Life insurance","Parental leave","Retirement plans","Vision insurance"],"hiring_locations":[{"name":"United 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