{"id":3987663,"url":"https://alion.io/job/erg-mechanical-design-engineer","title":"Mechanical Design Engineer","company":{"id":450898,"name":"ERG","domain":"erg.com","url":"https://alion.io/company/erg-4","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":88,"open_postings":38,"ghost_share":0,"stale_share":0.474,"repost_share":0,"time_to_fill_p50_days":42,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Indian Head, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":95000,"max":130000,"currency":"USD","period":"year","gross":null,"usd_annual":130000},"salary_estimate":null,"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AutoCAD","optional":false}],"status":"live","first_seen_at":"2026-11-09T14:53:37Z","employer_posted_date":"2026-11-09","last_verified_at":"2026-11-09T22:14:20Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"ERG is seeking a Mechanical Design Engineer to support mechanical engineering design, facility renovations, and infrastructure upgrades at a federal site. This position will focus on supporting the development and review of engineering designs, preparing technical documentation, and helping modernize existing facilities to meet current codes and operational requirements. The ideal candidate has a foundation in mechanical engineering and HVAC systems and is interested in expanding their experience with complex government and industrial facilities.\nThis is a full-time, onsite position at the Naval Support Facility (NSF) Indian Head in Indian Head, MD, approximately 30 miles from Washington, DC, 25 miles from Alexandria, VA, and 60 miles from Fredericksburg, VA.\nJob Description:\nSupport the development and review of mechanical engineering designs for facility renovations, infrastructure improvements, and system upgrades\nAssist with reviewing engineering design packages, specifications, and construction drawings for technical accuracy, code compliance, and alignment with project requirements\nPrepare technical memoranda and reports documenting facility conditions, preventive maintenance needs, system performance, and long-term upgrade recommendations\nSupport facility design and modernization efforts, including HVAC systems and other mechanical infrastructure, from planning and design through construction and commissioning\nHelp evaluate existing mechanical systems and identify opportunities for improvements to facility performance, reliability, and efficiency\nApply applicable local, state, and federal codes and standards to engineering designs and technical reviews\nCoordinate with other engineers, design professionals, manufacturing personnel, and government stakeholders to support project objectives\nPerform engineering calculations, research technical requirements, and assist with developing practical solutions to facility engineering challenges\nQualifications and Skills:\nBachelor’s or Master’s degree in Mechanical Engineering\n3+ years of relevant experience\nExperience with HVAC systems, mechanical system design, or building infrastructure\nFamiliarity with AutoCAD or equivalent drafting and design software\nExperience reviewing or developing mechanical engineering drawings, specifications, or MEP construction drawing sets\nBasic knowledge of applicable building codes, mechanical codes, and engineering standards\nStrong technical writing, analytical, organizational, and communication skills\nAbility to work collaboratively with multidisciplinary engineering teams and communicate technical information effectively\nInterest in developing expertise in federal facilities, industrial systems, and energetic manufacturing environments\nProfessional Engineer (PE) license or progress toward licensure is a plus\nMust currently hold or be able to obtain a Department of Defense Secret-level security clearance\nMust be a U.S. citizen, as this position is not eligible for Limited Access 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