{"id":2976466,"url":"https://alion.io/job/parsons-mechanical-systems-engineer","title":"Mechanical Systems Engineer","company":{"id":4937,"name":"Parsons","domain":"parsons.com","url":"https://alion.io/company/parsons","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":353,"ghost_share":0,"stale_share":0.983,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Washington, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":111000,"max_usd":216000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":1394},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"Microsoft Office","optional":false}],"status":"live","first_seen_at":"2026-10-20T00:00:00Z","employer_posted_date":"2026-10-20","last_verified_at":"2026-10-31T04:01:41Z","board_verified":true,"closed_at":null,"days_open":11,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":11},"description":"In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible. Job Description:\nParsons is seeking passionate, skilled, and experienced professionals to join a major program and construction management team supporting a Department of War customer in successfully delivering a significant construction program in the National Capital Region (Washington, DC).\nIn our anticipated role, Parsons will provide Owner’s Agent Construction Management Services (CMa), including Program Management, Construction Management, Risk Management, Scheduling, Cost Estimating, Progress Reporting, Construction Quality Assurance, Safety, and other supporting services to achieve program success.\nThe Mechanical Systems Engineer provides specialized technical oversight, inspection, testing, and acceptance support for mechanical systems associated with complex federal construction, renovation, and infrastructure projects. Serving as part of the Government's Owner's Representative team, this position evaluates mechanical system installation, performance, commissioning, and operational readiness to ensure compliance with design requirements, applicable codes, and federal standards. Working closely with Government stakeholders, engineers, commissioning specialists, and construction contractors, the SME supports the successful testing, acceptance, and turnover of mechanical systems.\nWhat You'll Be Doing:\nProvide technical oversight and acceptance support for mechanical systems, including HVAC, plumbing, piping, central utility plants, building automation, and associated mechanical equipment. \nReview mechanical drawings, specifications, equipment submittals, testing procedures, and commissioning documentation for compliance with contract requirements and applicable standards. \nConduct field inspections and technical assessments to verify mechanical system installation, functionality, and readiness for testing and acceptance. \nWitness and evaluate mechanical equipment startup, Testing, Adjusting, and Balancing (TAB), functional performance testing, and commissioning activities. \nReview mechanical system performance data, test reports, deficiencies, and corrective actions to verify compliance with design and operational requirements. \nCoordinate with Government representatives, design engineers, construction managers, commissioning agents, and contractors to resolve technical issues and facilitate system acceptance. \nEvaluate mechanical system integration with electrical, fire protection, building automation, and other facility systems. \nIdentify installation deficiencies, performance issues, and potential operational risks; recommend corrective actions and verify resolution. \nSupport the review of Requests for Information (RFIs), technical submittals, design changes, and contract modifications affecting mechanical systems. \nReview mechanical system closeout documentation, including as-built drawings, operations and maintenance manuals, warranties, training records, and commissioning reports. \nPrepare technical inspection reports, deficiency lists, acceptance recommendations, and system readiness assessments to support Government decision-making.\nWhat Required Skills You'll Bring:\nBachelor's degree in Mechanical Engineering. \nMinimum of 10 years of related professional experience in mechanical engineering, mechanical systems construction, inspection, commissioning, or systems acceptance. \nMust possess at least one of the following professional licenses: \nProfessional Engineer (PE) \n\nRegistered Architect (RA) \n\nDemonstrated experience with mechanical building systems, including HVAC, plumbing, piping, mechanical equipment, and associated controls. \nExperience reviewing mechanical construction drawings, specifications, equipment submittals, and technical documentation. \nKnowledge of mechanical system installation, testing, commissioning, and acceptance procedures. \nFamiliarity with applicable mechanical codes, ASHRAE standards, and construction quality assurance practices. \nAbility to evaluate mechanical system performance, identify deficiencies, and recommend corrective actions. \nStrong analytical, problem-solving, communication, and technical writing skills. \nAbility to coordinate effectively with Government stakeholders, engineers, contractors, and multidisciplinary construction management teams. \nProficiency in Microsoft Office applications and familiarity with construction documentation and commissioning software. \nMust be a U.S. citizen and able to satisfy applicable federal background investigation requirements. \n What Desired Skills You'll Bring:\nExperience supporting Naval Facilities Engineering Systems Command (NAVFAC), U.S. Army Corps of Engineers (USACE), or similar federal construction and facilities programs. \nExperience supporting Military Construction (MILCON), federal infrastructure modernization, or mission-critical facility projects. \nFamiliarity with Unified Facilities Criteria (UFC), Unified Facilities Guide Specifications (UFGS), and applicable federal mechanical engineering standards. \nExperience with mechanical systems commissioning, functional performance testing, and integrated systems testing. \nKnowledge of central utility plants, chilled water systems, steam distribution, energy management systems, and building automation systems. \nFamiliarity with ASHRAE commissioning guidelines, energy efficiency standards, and facility operational readiness requirements. \nExperience reviewing Testing, Adjusting, and Balancing (TAB) reports, commissioning plans, and mechanical system acceptance documentation. \nAdditional certifications such as Certified Commissioning Professional (CCP), Certified Building Commissioning Professional (CBCP), or Commissioning Process Management Professional (CPMP). \nExperience working within secure, occupied, or mission-critical Government installations. \nExperience working within multidisciplinary Owner's Representative or Construction Management Agent (CMa) teams. \n Security Clearance Requirement:\nNoneThis position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $125,100.00 - $225,200.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.","description_format":"text","description_chars":7970,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible schedule","Growth opportunities","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Civil & Structural Engineering","Homeland Security","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-21T04:57:48Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 1 · green card filings: 1","filings_12m":1,"filings_prev_12m":1,"green_card_filings_12m":1,"median_offered_wage_usd":167500,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":0}],"liveness":{"score":55,"band":"ok","label":"Likely open","p_open":1,"p_active":0.606,"p_room":0.9,"age_days":11,"expected_fill_days":17,"reasons":["conf:1","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/parsons-mechanical-systems-engineer","json_url":"https://alion.io/job/parsons-mechanical-systems-engineer.json","meta":{"generated_at":"2026-10-31T11:37:00Z","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":17853,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":4937},"rest":"https://alion.io/mcp/rest/get_company?id=4937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fparsons-mechanical-systems-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fparsons-mechanical-systems-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fparsons-mechanical-systems-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/parsons-mechanical-systems-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-mechanical-systems-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2976466}},{"tool":"search_jobs","arguments":{"company":"parsons.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2976466},"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. Docs: https://alion.io/developers"}}