Mechanical Engineer Jobs in District of Columbia
Mechanical Engineer jobs in District of Columbia are concentrated in the federal contracting corridor anchored around Washington, D.C., with significant hiring from defense and aerospace primes, government agencies, and infrastructure consultancies. Major employers with lasting presences include Leidos, Booz Allen Hamilton, and SAIC, all of which maintain large engineering workforces supporting federal clients. Demand is strongest in systems engineering, HVAC and building mechanical systems, and defense-related structural and thermal analysis. Scan the live roles below and apply to whichever ones fit.
Find Mechanical Engineer JobsOverview
Showing 5 of 17+ Mechanical Engineer jobs
About FusionICS, LLC
Fusion is a Service‑Disabled Veteran‑Owned Small Business (SDVOB) specializing in mission‑critical engineering, secure infrastructure, and advanced technical solutions for federal and defense clients. We bring precision, integrity, and deep expertise to some of the nation’s most complex and sensitive programs.
Our team of highly skilled engineers and technical professionals is dedicated to advancing the future of secure facilities and infrastructure. When you join Fusion, you become part of a collaborative, mission‑focused organization that values technical excellence and a steadfast commitment to national security.
Position Summary:
Fusion seeks a detail-oriented Mechanical Engineer to support secure facility design and construction within the National Capital Region. The engineer will provide mechanical systems design, technical oversight, and construction phase support for classified and federal infrastructure projects.
This position requires demonstrated experience in HVAC, plumbing, controls, and mechanical code compliance, with a strong emphasis on secure/mission-critical environments.
Clearance Requirement
Active Secret security clearance required; Top Secret clearance preferred. Candidates must be able to obtain and maintain any additional customer-required clearances or access authorizations.
Key Responsibilities:
- Develop mechanical system designs, including HVAC, hydronic piping, ductwork, and plumbing, for secure federal facilities.
- Ensure systems comply with UFC, ASHRAE, IPC, DoD, and local building codes.
- Prepare or review detailed construction drawings and specifications.
- Perform load calculations, system sizing, and energy efficiency evaluations.
- Provide engineering review of contractor submittals, RFIs, and shop drawings.
- Conduct field inspections, oversee system installation, and support commissioning activities.
- Coordinate across disciplines (electrical, architectural, structural, civil) to support integrated designs.
- Participate in facility readiness reviews, design reviews, and construction phase meetings.
- Ensure secure handling of project documentation and data per CUI/ICD-705 requirements.
Qualifications & Requirements:
Education & Experience:
- Bachelor’s degree in Mechanical Engineering from an ABET-accredited program.
- Minimum 5 years of mechanical engineering experience in facility or infrastructure projects.
- Experience with DoD construction projects, military facilities, or government contracting preferred.
Certifications & Technical Skills:
- Expertise in mechanical codes, standards, and practices (ASHRAE, UFC, DoD, IPC).
- Strong proficiency with AutoCAD, Revit, and load calculation software (e.g., Trane Trace, HAP).
- Familiarity with SCIF and SAPF mechanical requirements.
- Excellent communication skills and ability to work onsite in active construction environments.
- Excellent communication and coordination skills.
- Ability to work safely on active construction sites and wear required PPE.
PE (Professional Engineer) license or active EIT on track for licensure.
Preferred Qualifications:
- Experience with chilled water, hot water, steam, or secure HVAC systems.
- Background in energy modeling and sustainable system design.
- Prior experience with commissioning, TAB, and performance verification in federal environments.
- Experience supporting DoD/NIC classified facilities and ICD/ICS compliance.
Work Conditions & Physical Requirements:
- Ability to work in high-security environments requiring strict access controls and security protocols
- Mixed office and active construction-site environment
- Work in indoor and outdoor environments, including near high-voltage switchgear and substations
- Requires lifting/carrying up to 50 lbs, climbing ladders, and working in confined spaces
- Occasional travel to other sites or campuses as needed
- Position is fully onsite and may require night and/or weekend work depending on project scheduling and site demands.
Why Work for Fusion?
At Fusion, we believe exceptional work begins with exceptional people. Our teams bring together technical excellence, integrity, and a shared commitment to delivering mission‑critical solutions that directly support national security. Here, your expertise has real impact. You’ll collaborate with experienced professionals, contribute to meaningful programs, and be part of a supportive small‑business culture invested in your growth and success.
What We Offer
- Medical insurance with a generous employer HSA contribution
- 401(k) with company match and immediate vesting
- 15 days of vacation
- 5 days of sick leave
- 11 paid federal holidays
- A mission‑focused, supportive small‑business culture where your work makes a real impact
FusionICS, LLC is an Equal Opportunity Employer. We consider all qualified applicants without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other protected characteristic.
See All 17 Mechanical Engineer Jobs in District of Columbia
Find roles in District of Columbia that match your experience and apply in just a few clicks.
Find Mechanical Engineer JobsMechanical Engineer Jobs by City in District of Columbia
Where District of Columbia roles are concentrated, by current openings.
Mechanical Engineer Job Market in District of Columbia
A snapshot from current District of Columbia openings, updated as new roles post.
Who's Hiring
- Technology Service Corporation3
- Stantec2
- Johnson Controls2
- KBR1
- Arcadis1
Top Industries Hiring
- Consulting & Professional Services4
- Manufacturing2
- Aerospace & Defense1
- Technology & Software1
What District of Columbia Employers Look For
The qualifications that appear most often in mechanical engineer jobs across District of Columbia.
- Bachelor's degree in mechanical engineering or a closely related engineering discipline required
- Professional Engineer license in District of Columbia or eligibility through reciprocity strongly preferred
- Experience with CAD platforms such as SolidWorks, AutoCAD, or CATIA for design and analysis work
- Familiarity with federal procurement standards, ASME codes, or MIL-SPEC documentation practices
- Active security clearance or eligibility to obtain one for positions supporting federal clients
- Proficiency in finite element analysis, thermal modeling, or fluid dynamics simulation tools
Mechanical Engineer Jobs in District of Columbia: Frequently Asked Questions
How do you become a mechanical engineer in District of Columbia?
You need a bachelor's degree in mechanical engineering from an accredited program, followed by the Fundamentals of Engineering exam to earn Engineer-in-Training status. After accumulating the required years of progressive engineering experience, you apply for licensure through the District of Columbia Board of Industrial Trades, which oversees Professional Engineer registration in D.C. Many federal contracting roles also expect candidates to pursue or hold a security clearance alongside their PE credential.
How much do mechanical engineers make in District of Columbia?
Mechanical engineers in District of Columbia earn a median of about $133,300 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $86,820 for the lowest 10% to over $195,190 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire mechanical engineers in District of Columbia?
Employers hiring mechanical engineers in District of Columbia right now include Technology Service Corporation, Stantec, and Johnson Controls, based on current listings on Migrate Mate as of July 2026. The D.C. market is heavily shaped by the federal contracting ecosystem, so defense and technology services firms with long-term government contracts tend to post the most consistent volume.
Which District of Columbia cities have the most mechanical engineer jobs?
The cities with the most mechanical engineer openings in District of Columbia are Washington and Naval Research Laboratory. The concentration reflects D.C.'s dense federal agency presence and the ring of major contractors and consultancies that operate out of offices close to their government clients, from the Capitol Hill corridor to the northern Virginia and Maryland suburbs that fall within the metro.
Are there remote mechanical engineer jobs in District of Columbia?
Yes, but they're uncommon. About 57% of mechanical engineer openings tied to District of Columbia are remote or hybrid as of July 2026, which is consistent with the hands-on, lab, and site-dependent nature of most mechanical work. The roles most likely to offer flexibility are analytical positions in systems engineering, technical writing, or modeling and simulation that don't require physical access to hardware or federal facilities.
How can I get hired as a mechanical engineer in District of Columbia with little or no experience?
The most realistic entry path is through federal contractor internship and new-graduate programs, with firms like Leidos, SAIC, and Booz Allen Hamilton running structured rotational and associate engineer tracks that hire early-career candidates directly. Targeting roles titled junior mechanical engineer, mechanical engineering analyst, or systems support engineer gives candidates without full experience a realistic way in. Passing the Fundamentals of Engineering exam before applying demonstrates commitment and gives your application a concrete credential to stand on.
Where can I find and apply to mechanical engineer jobs in District of Columbia?
You can find and apply to mechanical engineer jobs in District of Columbia on Migrate Mate, which lists current openings across D.C. and the surrounding metro. Search the available roles, find the ones that match your background and the type of work you want to do, and apply directly to the employers posting them.
See All 17 Mechanical Engineer Jobs in District of Columbia
Find roles in District of Columbia that match your experience and apply in just a few clicks.
Find Mechanical Engineer Jobs