
Senior Mechanical Engineer - Federal
Arlington, VAJobSeen 2w agoSeen in employer's feed 6 days ago
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
Jacobs is seeking a Mechanical Engineer to join its Arlington, Virginia team, contributing to integrated building-services design for client projects. The role develops mechanical and utility design approaches, calculations, plans, specifications, and building management system controls. It also supports construction through submittal reviews, RFI responses, field visits, and system start-up, with travel as required for client development and project implementation.
Skills & qualifications
Skills
Qualifications
Full job description
At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery, and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.
Your impact
We’re seeking a Mechanical Engineer to join our team in Arlington, VA. As part of our team, you’ll have the chance to work on projects that bring innovative solutions to our clients’ challenges locally and worldwide by providing a range of skills as part of an integrated building services design.
Your role will include:
Developing overall Conceptual and Basis of Design level design approaches and documentation. Developing HVAC and plant utility systems philosophies. Developing mechanical / utility equipment and construction specifications. Performing temperature / humidity control / utility load calculations. Developing airflow diagrams, pressurization plans, and classification, as well as ductwork and piping plans. Developing equipment plans, plant utility distribution plans, and system details. Developing building management system (BMS) control philosophy, details, and Sequence of Operations.
Performing construction assistance in the form of submittal reviews, RFI responses, and field visits to verify construction of Mechanical / Utilities scope is executed per the intent of the design and assisting in start-up of systems when required. Traveling as required for client development and project implementation.
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Bachelor’s Degree in Mechanical engineering
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PE License
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At least 10 years of relevant professional experience for HVAC/Mechanical buildings-related design projects (Federal including DoD, Federal Civilian and/or Defense Contractor project experience preferred).
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Experience working in a multi-discipline environment
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Experience with Revit
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Proficiency in load calculation / energy modeling software such as Trace 3D Plus, Carrier HAP, etc.
- Federal security clearance is preferred.
Jacobs is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law. Learn more about your rights under Federal EEO laws and supplemental language.
How this job compares
Set against the 7,475 open Mechanical Engineer jobs on Olive Jobs, counted November 11, 2026.
- Pay
- This postingNot listed
- Virginia median$99–141K/yr184 salary ranges
- US median$45–58/hr396 hourly ranges
- Openings
- Olive Jobs lists 241 open Mechanical Engineer jobs in Virginia and 7,475 across the US. 3% of them nationwide are listed as remote or flexible.
- Hiring the most in Virginia
- Amazon24 open
- Jacobs (this employer)22 open
- Huntington Ingalls Industries15 open
- Experience
- This posting asks for at least 10 years of experience — more than three in four Mechanical Engineer postings that state a minimum ask for (median 5 years, across 6,241 postings).
- Education
- This posting asks for a bachelor's degree; 5,087 of the 7,475 open Mechanical Engineer jobs (68%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 11, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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