[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Jacobs Solutions jobs](https://jobs.opennash.com/companies/jacobs-solutions/) · [Search jobs](/search/) Jacobs Solutions · Arlington, VA # Mechanical Engineer - Federal Arlington, VA Skilled Trades & Maintenance Listed on Jacobs Solutions’s official careers site. Posted October 13, 2026. Check that it is still open and apply there. [Apply on Jacobs Solutions’s careers site →](https://jacobs.jobs/jobs/0F0B99EBA4F2491CA1CD99C711C53D65/) [OpenNash Jobs](https://jobs.opennash.com/) / [Jacobs Solutions](https://jobs.opennash.com/companies/jacobs-solutions/) / Mechanical Engineer - Federal ## 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 Federal design team.. 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. #LI-IR1 - Bachelor’s Degree in Mechanical engineering - Professional Engineers License (PE) - At least 5 years of relevant professional experience for HVAC/Mechanical buildings-related design projects (Federal including DoD, Federal Civilian and/or Defense Contractor project experience preferred). - Experience working in a multi-discipline environment - Experience with Revit - 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. ## At a glance - Posted by the employer: Oct 13, 2026 - First seen by OpenNash: Oct 20, 2026 - Last checked: Oct 20, 2026 - Listed for: 7 days - Location: Arlington, VA[Apply on Jacobs Solutions’s careers site →](https://jacobs.jobs/jobs/0F0B99EBA4F2491CA1CD99C711C53D65/) ## More jobs at Jacobs Solutions ### [Senior Mechanical HVAC Engineer (Advanced Manufacturing)](https://jobs.opennash.com/companies/jacobs-solutions/jobs/9cc9090ce45e95c885b0/) Arlington, VA ### [Sr Mechanical HVAC Dust Control Engineer](https://jobs.opennash.com/companies/jacobs-solutions/jobs/e761c6c5160050ea0f65/) Arlington, VA ### [Assistant Project Manager (Data Center)](https://jobs.opennash.com/companies/jacobs-solutions/jobs/f3325060fb3d8de7ce63/) Arlington, VA ### [BIM/VDC Coordinator - Data Centers](https://jobs.opennash.com/companies/jacobs-solutions/jobs/546658648f449c2314c2/) Arlington, VA ## Similar jobs at other companies ### [Hardware, Mechanical Power Engineer - Federal Customer](https://jobs.opennash.com/companies/dell-technologies/jobs/f16531675a476b221d70/) Dell Technologies · Mclean, VA, United States ### [Relationship Banker - Federal Way Marketplace Branch - Federal Way, WA](https://jobs.opennash.com/companies/jpmorganchase/jobs/115295c93f35949a958b/) JPMorganChase · WA, United States ### [Associate Mechanical Engineer/Mechanical Engineer](https://jobs.opennash.com/companies/northrop-grumman/jobs/1a3bde14948c35038dcb/) Northrop Grumman · United States-Arizona-Gilbert ### [Federal Knowledge Lead](https://jobs.opennash.com/companies/oracle/jobs/4a58c545b16a3123e9aa/) Oracle · United States [Skilled Trades & Maintenance jobs](/functions/skilled-trades-maintenance/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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