Mechanical Designer Jobs in District of Columbia
Mechanical Designer jobs in District of Columbia are concentrated in the federal contracting, defense, and infrastructure sectors, with steady demand at levels from junior drafter to senior designer. Most openings cluster in the greater Washington metro, particularly in areas supporting federal agencies and defense prime contractors, with Leidos, Jacobs Engineering, and Booz Allen Hamilton among the most consistent local employers. The specialties drawing the most attention are HVAC systems design, federal facilities layout, and CAD-driven product development for government infrastructure programs. Find a role that fits below and apply directly.
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The purpose of this position is to provide the essential administrative processes, technical knowledge and leadership as described below. This position has oversight of a specific area and acts as a representative of the engineering discipline ensuring technical accuracy in project execution in all phases. This is a lead position on assigned projects performing engineering assignments of advanced complexity.
- Under general supervision of the Discipline Lead Engineer, serve as an Area Lead providing guidance/supervision to other engineers and designers
- Analyze and make independent recommendations regarding technical solutions to problems of advanced complexity in accordance with project requirements
- Develop and review specifications and design criteria
- Perform and check engineering analyses and calculations; specify materials, equipment and systems; and solve technical problems of advanced complexity
- Coordinate technical issues with other disciplines, project management, vendors and clients
- Execute work in compliance with Project Quality Plan and procedures
- Execute work in accordance with the approved project scope, cost and schedule baselines
- Develop and review estimates, schedules and progress reports including effort-hour estimating and staff forecasting
- Establish, control and report on material key quantities; provide analysis and forecasts
- Provide technical support to activities associated with equipment and material procurement and subcontracting including scopes of work, technical bid evaluations and review of vendor submittals
- Provide technical support to activities associated with construction administration including response to construction requests-for-information and field changes
- Other duties as assigned
- U.S. Citizenship required
- Bachelor of Science degree in Mechanical Engineering and minimum ten (10) years of work- related experience
- Working knowledge of applicable federal (including Department of Energy orders), state, and local codes and standards
- Ability to communicate effectively with audiences that include but are not limited to project management, coworkers, clients, vendors, and subcontractors
- Job related technical knowledge necessary to complete the job
- Advanced knowledge of discipline codes and standards
- Ability to perform work in compliance with applicable local, state, and federal codes, statutes and guidelines
- Ability to attend to detail and work in a time-conscious and time-effective manner
- Intermediate computer and software skills to include proficiency in the use of word processing, e-mail, spreadsheet and electronic presentation programs
- Significant experience providing engineering, procurement and construction (EPC) services on large industrial projects
- Proficiency executing large EPC projects utilizing engineering analysis, 3D modeling and 2D computer-aided drafting and design (CADD) automation tools in a multi-discipline environment
- Advanced engineering knowledge in the design of heating, ventilation and air-conditioning (HVAC) systems
- Development of HVAC load calculations
- Development of HVAC air flow diagrams and instrument diagrams
- Development of HVAC system sequence of operation narratives
- Sizing and specification of air handling units and other equipment
- HVAC main duct and distribution duct sizing and routing
- Development of black utility (chiller, boiler, custom AHU, air compressor and cooling tower) specifications based upon sizing data provided by Process
- Development of HVAC specifications
- Professional Engineer license
- Experience with design of systems, structures and components for nuclear facilities under the requirements of ASME NQA-1
- Advanced knowledge of commercial availability and cost of materials
- Demonstrated experience managing and leading large projects
- Proficiency with project set-up, development of control-level schedules, progress reporting and project close-out
- Practical field experience
- EPC project experience for the following industries:
- U.S Department of Energy or other U.S. Federal Government Agency
- Nuclear facilities under a nuclear quality assurance program
- Manufacturing, pharmaceutical or biotechnology
See All 47 Mechanical Designer Jobs in District of Columbia
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Find Mechanical Designer JobsMechanical Designer Jobs by City in District of Columbia
Where District of Columbia roles are concentrated, by current openings.
Mechanical Designer Job Market in District of Columbia
A snapshot from current District of Columbia openings, updated as new roles post.
Who's Hiring
- Booz Allen Hamilton6

- The Washington Post3

- Accenture Federal Services3

- Hickok Cole2H
- Interactive Strategies2

Top Industries Hiring
- Consulting & Professional Services3
- Technology & Software1
- Construction & Real Estate1
What District of Columbia Employers Look For
The qualifications that appear most often in mechanical designer jobs across District of Columbia.
- Proficiency in SolidWorks, AutoCAD, or Creo for 2D and 3D mechanical design work
- Bachelor's degree in mechanical engineering, engineering technology, or a closely related field
- Experience producing GD&T drawings and engineering documentation to ASME Y14.5 standards
- Ability to obtain or maintain a U.S. government security clearance for federal contract work
- Familiarity with federal facility design standards and government agency project requirements
- Strong collaboration skills for working within multidisciplinary engineering teams on large projects
Mechanical Designer Jobs in District of Columbia: Frequently Asked Questions
How do you become a mechanical designer in District of Columbia?
Most mechanical designers in District of Columbia enter the field with a bachelor's or associate degree in mechanical engineering technology or a related discipline, as no District of Columbia-issued license is required for the designer role itself. Many employers in the D.C. market place a premium on candidates who can obtain a federal security clearance, which becomes a practical requirement for working on government and defense contracts. Earning a Certified Solidworks Professional credential or equivalent CAD certification strengthens a candidate's standing considerably.
Which companies hire mechanical designers in District of Columbia?
Employers hiring mechanical designers in District of Columbia right now include Booz Allen Hamilton, The Washington Post, and Accenture Federal Services, based on current listings on Migrate Mate as of July 2026. The District of Columbia market is heavily driven by federal prime contractors and engineering firms that support defense agencies, infrastructure programs, and government facility modernization projects.
Which District of Columbia cities have the most mechanical designer jobs?
The cities with the most mechanical designer openings in District of Columbia are Washington. The concentration reflects the region's dense cluster of federal agencies, defense contractors, and engineering consulting firms, with suburban areas like Arlington and Bethesda pulling significant volume because major contractor offices and federal campus facilities are headquartered there.
Are there remote mechanical designer jobs in District of Columbia?
Yes, but they're less common than in purely analytical fields, since much mechanical design work involves collaboration with on-site engineering teams and access to controlled project environments. About 54% of mechanical designer openings tied to District of Columbia are remote or hybrid as of July 2026, with the federal contracting environment adding further constraints. The tasks most likely to go remote are CAD modeling, documentation, and design review work that does not require physical lab or facility access.
How can I get hired as a mechanical designer in District of Columbia with little or no experience?
The most realistic entry path is applying for junior designer or CAD technician roles at large engineering and defense contractors operating in the D.C. metro, such as SAIC, Parsons Corporation, or Leidos, which routinely bring on recent graduates for entry-level design support positions. Building a strong CAD portfolio using SolidWorks or AutoCAD and pursuing a Certified Solidworks Associate credential makes a candidate immediately more competitive. Internships or co-ops arranged through engineering programs at George Washington University or the University of Maryland also feed directly into full-time openings at regional contractors.
Where can I find and apply to mechanical designer jobs in District of Columbia?
You can find and apply to mechanical designer jobs in District of Columbia on Migrate Mate, which lists current openings across the region. Find the roles that fit your experience and apply directly to the ones that match.
See All 47 Mechanical Designer Jobs in District of Columbia
Find roles in District of Columbia that match your experience and apply in just a few clicks.
Find Mechanical Designer Jobs