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Mechanical Engineer Jobs in District of Columbia by City

Washington (397 postings) Senior Mechanical...;  Senior Mechanical Design...
Some of the Last Jobs Posted:
today 1. Senior Design Engineer Job in Washington, District of Columbia, USA

Engineering (Systems Engineer, Engineering Design & Technologists, Mechanical Engineer)

Who We Are - Helsing develops artificial intelligence - enabled capabilities to protect and defend democracies. We are growing our US...
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Senior Design Engineer Job

Listing for: Helsing
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today 2. Senior Staff Engineer, Aerostructures Stress Analyst; RX); R5845 Job in Washington, District of Columbia, USA

Engineering (Aerospace / Aviation / Avionics, Mechanical Engineer, Structural Engineer)

Position: Senior Staff Engineer, Aerostructures Stress Analyst (RX) (R5845) - Shield AI is a venture - backed defense - tech company with...
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Senior Staff Engineer, Aerostructures Stress Analyst; RX); R5845 Job

Listing for: Shield
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today 3. Senior Mechanical Engineer - Mission-Critical Data Centers Job in Washington, District of Columbia, USA

Engineering (Mechanical Engineer)

DLR Group is seeking a Mechanical Engineer focused on mission critical projects, including data centers, labs and clean rooms. The role...
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Senior Mechanical Engineer - Mission-Critical Data Centers Job

Listing for: DLR Group
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today 4. Hydraulic & Pneumatic Systems Design Engineer Job in Washington, District of Columbia, USA

Engineering (Manufacturing Engineer, Mechanical Engineer), Manufacturing / Production (Manufacturing Engineer)

Globe Machine Manufacturing is seeking a skilled mechanical design engineer to develop hydraulic and pneumatic systems for industrial...
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Hydraulic & Pneumatic Systems Design Engineer Job

Listing for: Globe Machine Manufacturing
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1 day ago 5. Staff Engineer, Landing Gear Systems; RX); R5372 Job in Washington, District of Columbia, USA

Engineering (Mechanical Engineer, Aerospace / Aviation / Avionics)

Position: Staff Engineer, Landing Gear Systems (RX) (R5372) - Shield AI is a venture - backed defense - tech company with the mission of...
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Staff Engineer, Landing Gear Systems; RX); R5372 Job

Listing for: Shield
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1 day ago 6. Mechanical Engineer - Mission Critical Job in Washington, District of Columbia, USA

Engineering (Building Services Engineer, Mechanical Engineer, Engineering Design & Technologists, Environmental Engineer)

DLR Group is an integrated design firm with a promise to elevate the human experience through design. This fuels the work we do around...
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Mechanical Engineer - Mission Critical Job

Listing for: DLR Group
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1 day ago 7. Senior Mechanical Engineer — Lead HVAC & Plumbing Job in Washington, District of Columbia, USA

Engineering (HVAC Tech / Heating Engineer, Mechanical Engineer, Building Services Engineer)

Position: Senior Mechanical Engineer — Lead HVAC & Plumbing (Flexible Schedule) - Only Hire. - Me in Washington, DC, seeks a Senior...
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Senior Mechanical Engineer — Lead HVAC & Plumbing Job

Listing for: OnlyHire.Me
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1 day ago 8. Lead Systems Engineer Sealift Job in Washington, District of Columbia, USA

Engineering (Systems Engineer, Mechanical Engineer, Engineering Design & Technologists)

Position: Lead Systems Engineer Future Sealift - Overview - R&P is looking for a senior level Lead Systems Engineer who wants to join...
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Lead Systems Engineer Sealift Job

Listing for: R&P Technologies
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1 day ago 9. Lead Systems Engineer Sealift Job in Washington, District of Columbia, USA

Engineering (Systems Engineer, Mechanical Engineer, Engineering Design & Technologists)

Overview - R&P is looking for a senior level Lead Systems Engineer who wants to join our team. We are a mid - sized defense...
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Lead Systems Engineer Sealift Job

Listing for: R&P Technologies
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1 day ago 10. Mechanical Engineering Intern; Summer Job in Washington, District of Columbia, USA

Engineering (Mechanical Engineer, Engineering Design & Technologists, Environmental Engineer, Building Services Engineer)

Mechanical Engineering Intern (Summer 2027) - You see the world through a unique lens and that’s exactly what we need. We embrace how you...
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Mechanical Engineering Intern; Summer Job

Listing for: Arup
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1 day ago 11. Preconstruction Lead, Mechanical & MEP Projects Job in Washington, District of Columbia, USA

Engineering (Mechanical Engineer, Building Services Engineer), Construction

Vertical Mechanical Group is seeking an experienced Project Manager to lead commercial mechanical construction projects from...
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Preconstruction Lead, Mechanical & MEP Projects Job

Listing for: Vertical Mechanical Group
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2 days ago 12. Senior Mechanical Engineer, RF Sensor Productization Job in Washington, District of Columbia, USA

Engineering (Test Engineer, Electronics Engineer, Systems Engineer, Mechanical Engineer)

CHAOS Industries is redefining modern defense with a multi‑product portfolio that gives the ultimate advantage—domain dominance. The...
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Senior Mechanical Engineer, RF Sensor Productization Job

Listing for: Chaos Industries
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2 days ago 13. Mechanical Engineer — Munition System Job in Washington, District of Columbia, USA

Engineering (Mechanical Engineer, Aerospace / Aviation / Avionics)

Washington, United States | Posted on 06/01/2026 - Experience level: - Mid - senior Experience required: 5 Years Education level: - ...
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Mechanical Engineer — Munition System Job

Listing for: Zohorecruit
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2 days ago 14. Division Engineer: Process Innovation & Capital Projects Lead Job in Washington, District of Columbia, USA

Engineering (Process Engineer, Manufacturing Engineer, Mechanical Engineer)

Grain Processing Corporation, a member of the KENT WORLDWIDE™ family of companies has an exciting opportunity to join their team as a...
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Division Engineer: Process Innovation & Capital Projects Lead Job

Listing for: Grain Processing Corporation
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2 days ago 15. Naval Architect, Senior Job in Washington, District of Columbia, USA

Engineering (Systems Engineer, Marine Engineering / Maritime, Mechanical Engineer)

THOR Solutions is actively seeking a highly motivated Senior Naval Architect to support the United States Coast Guard (USCG)’s Ship...
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Naval Architect, Senior Job

Listing for: THOR Solutions, LLC
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2 days ago 16. Mission-Driven Modeling & Simulation Engineer Job in Washington, District of Columbia, USA

Engineering (Systems Engineer, Mechanical Engineer, Engineering Design & Technologists)

Booz Allen Hamilton in the United States seeks a Modeling and Simulation Engineer on our Physical AI team to design advanced models that...
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Mission-Driven Modeling & Simulation Engineer Job

Listing for: Booz Allen Hamilton
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2 days ago 17. Mechanical Design Engineer Job in Washington, District of Columbia, USA

Engineering (Mechanical Engineer, Aerospace / Aviation / Avionics, Engineering Design & Technologists)

TSC is seeking a highly motivated and skilled Mechanical Design Engineer to support work at the Naval Research Laboratory. This position...
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Mechanical Design Engineer Job

Listing for: TSC
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2 days ago 18. HVAC Project Design Engineer - Offshore/O&G Job in Washington, District of Columbia, USA

Engineering (Mechanical Engineer, Engineering Design & Technologists, Electrical Engineering)

Benefits: - 401(k) matchingCompetitive salaryDental insuranceHealth insurance - The Project Engineer supports the Engineering department...
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HVAC Project Design Engineer - Offshore/O&G Job

Listing for: AHU Technologies Inc
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3 days ago 19. Senior Maritime Engineer — Naval Systems & Vessels Job in Washington, District of Columbia, USA

Engineering (Marine Engineering / Maritime, Systems Engineer, Mechanical Engineer, Safety Engineer)

LAUKOA seeks an experienced Senior Maritime Engineer to support Navy and DoD customers, delivering planning, design, integration, testing...
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Senior Maritime Engineer — Naval Systems & Vessels Job

Listing for: LAUKOA
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3 days ago 20. MEP Project Engineer - On-Site & Field Projects Job in Washington, District of Columbia, USA

Engineering (Building Services Engineer, Electrical Engineering, Mechanical Engineer, Civil Engineering), Construction (Electrical Engineering, Civil Engineering)

M.C. Dean is seeking a dedicated MEP Project Engineer to support planning, coordination, and execution of mechanical, electrical, and...
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MEP Project Engineer - On-Site & Field Projects Job

Listing for: M.C. Dean
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