• Mechanical Systems Engineer

    CACI International (Sterling, VA)
    Mechanical Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of ... contract with the United States Space Force + Focus on creating systems to support Signals Intelligence (SIGINT) through the development, test, and deployment… more
    CACI International (11/18/25)
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  • Maritime Systems Mechanical

    Johns Hopkins Applied Physics Laboratory (Laurel, MD)
    …like you to join our team at APL! We are seeking a Mechanical Engineer to support the advancement of maritime systems for our nation's warfighters. As a ... maritime innovation. As a Mechanical Engineer you will + Design mechanical systems using CAD tools and other design tools as needed. + Lead mechanical more
    Johns Hopkins Applied Physics Laboratory (11/25/25)
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  • Entry Level - Systems / Mechanical

    The MITRE Corporation (Mclean, VA)
    …sponsors' and partners' most challenging problems in transportation, aerospace, cyber, AI, mechanical , defense, health, enterprise business and other systems . As ... AI-enabled systems engineering + Agile systems engineering + Systems security engineering + Mechanical engineering, structural analysis, thermal dynamics… more
    The MITRE Corporation (11/21/25)
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  • Mechanical Engineer

    Fairfax County Sheriff's Office (Fairfax, VA)
    …plumbing systems , and Building Automation Systems . + As licensed professional mechanical engineer signs and seals own work product. + Ensures the timely ... Mechanical Engineer ( Engineer IV)...+ Experience for designing and construction of life cycle mechanical systems and component replacement in occupied… more
    Fairfax County Sheriff's Office (11/02/25)
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  • Senior Mechanical Engineer - active…

    V2X (Chantilly, VA)
    …experience in the assigned field (eg high voltage power, mechanical systems , fire protection, construction, etc.) + Professional Engineer (PE) Registration ... complex challenges with integrity, respect, responsibility, and professionalism. The Senior Mechanical Engineer will provide design and implementation of various… more
    V2X (11/25/25)
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  • Senior Mechanical Engineer - Top…

    Jacobs (Arlington, VA)
    …experience in the assigned field (eg high voltage power, mechanical systems , fire protection, construction, etc.) * Professional Engineer (PE) Registration ... you can evolve, grow, and succeed - today and into tomorrow. The Mechanical Engineer will have essential multi-discipline team representation and be… more
    Jacobs (11/18/25)
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  • Building Engineer

    ABM Industries (Rockville, MD)
    …system equipment associated with HVAC operations and mechanical and electrical systems . The Building Engineer will also respond to customer requests and ... a leading provider of integrated facility solutions, is looking for a Building Engineer . The Building Engineer supports the designated leadership with the daily… more
    ABM Industries (11/06/25)
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  • Reliability Engineer

    Amentum (Mclean, VA)
    …installation, operation, and maintenance of diverse electronic/ mechanical equipment and systems . The Reliability Engineer will act generally as a member ... **Purpose/Scope** Amentum is looking for a Reliability Engineer to perform a variety of engineering assignments in planning and overseeing research, development,… more
    Amentum (11/14/25)
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  • Building Engineer

    ABM Industries (Arlington, VA)
    …system equipment associated with HVAC operations and mechanical and electrical systems . The Building Engineer will also respond to customer requests and ... a leading provider of integrated facility solutions, is looking for a Building Engineer . The Building Engineer supports the designated leadership with the daily… more
    ABM Industries (11/26/25)
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  • Lead Mechanical Engineer

    EMCOR Group (Springfield, VA)
    …facilities, on-time projects and long-term value. **Job Title** : **Lead Mechanical Engineer ** **Job Summary:** EMCOR Government Services is seeking ... a Lead Mechanical Engineer (ME) to serve as the Subject Matter Expert (SME) for all mechanical systems supporting a major customer in the intelligence… more
    EMCOR Group (10/29/25)
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  • Facilities Mechanical Engineer

    Leidos (Chantilly, VA)
    **Description** **Senior Mechanical Engineer ** Leidos is seeking a seasoned and innovative Senior Mechanical Engineer to lead the design, maintenance, ... and configuration management of complex building mechanical systems across a secure site. This...experience, or Master's with 6-10 years. + **Registered Professional Engineer (PE)** in good standing or **ability to obtain… more
    Leidos (10/31/25)
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  • Mechanical Design Engineer

    Actalent (Rockville, MD)
    …. This role is responsible for the engineering design and development of mechanical systems , structures, and components such as Reactor Internal Structures, ... Mechanical Engineering team in the role of Mechanical Design Engineer to support the development...engineering hand calculations is required. Experience designing and developing mechanical or fluid systems , assemblies, or components.… more
    Actalent (11/24/25)
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  • Senior Mechanical Engineer , Mission…

    JE Dunn Construction Company (Washington, DC)
    Senior Mechanical Engineer , Mission Critical, Traveler Location: Kansas City, MO, US, 64106Cleveland, OH, USDallas, TX, US, 75254Mesa, AZ, USClarksville, TN, ... alongside our diverse team of industry professionals._ **Role Summary** The M/E Engineer 3 will complete increasingly complex mechanical , electrical and field… more
    JE Dunn Construction Company (10/22/25)
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  • Mechanical Engineer - Nuclear Power…

    Black & Veatch (Gaithersburg, MD)
    ** Mechanical Engineer - Nuclear Power** Date:...role, you will have the opportunity to: + Design mechanical systems supporting new nuclear power plant ... associated with this requisition: $137,916.00- $230,328.00 **Job Segment:** Nuclear Engineering, Mechanical Engineer , Thermal Engineering, Construction, Wastewater,… more
    Black & Veatch (11/25/25)
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  • Lead Mechanical Engineer (Buildings)

    WSP USA (Arlington, VA)
    This Opportunity WSP is currently initiating a search for a **Lead Mechanical Engineer ** for our **Arlington, VA** office. Provides high level technical ... for multi-site/phase due diligence, design, development, building, testing, and inspecting of mechanical systems on building and construction projects in the… more
    WSP USA (10/18/25)
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  • Mechanical Engineer w/OCONUS Travel

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Nightwing is seeking a highly motivated Mechanical Engineer to join a mature program in the Sterling VA ... location. The qualified Mechanical Engineer will support a very dynamic...quick reaction program requirements. The candidate will primarily provide mechanical systems commissioning and energy related services… more
    Nightwing (09/05/25)
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  • Mechanical Design Engineer

    Actalent (Rockville, MD)
    …. This position involves the engineering design and development of mechanical systems , structures, and components including Reactor Internal Structures, ... Mechanical Design Engineer - ONSITE IN...process, including prototyping, testing, and commissioning. Responsibilities + Develop mechanical /physical concepts and design processes for structures, systems more
    Actalent (11/23/25)
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  • Facilities Mechanical Engineer

    Leidos (Springfield, VA)
    **Description** Leidos is seeking an experienced Facilities Mechanical Engineer to lead the design, maintenance, and configuration management of building ... mechanical systems across mission-critical sites. This role...and regulatory authorities. + Familiarity with Facility Management Control Systems (FMCS). + Active Professional Engineer (PE)… more
    Leidos (11/15/25)
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  • Navy Mechanical Engineer - Clearance…

    Cydecor, Inc. (Washington, DC)
    Mechanical Engineering. + Professional Engineer License + Relevant mechanical engineering experience related R&D, T&E, and systems acquisition programs ... separates us. Job Description: Cydecor is seeking a Navy Mechanical Engineer to provide support to a...Engineer to provide support to a Naval Sea Systems Command (NAVSEA) customer. There are several openings spanning… more
    Cydecor, Inc. (11/21/25)
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  • Mechanical Engineer

    Leidos (Springfield, VA)
    **Description** **Leidos - Multi-Domain Solutions (MDS) Division** **Position: Junior Level Mechanical Engineer ** Leidos and its Multi-Domain Solutions (MDS) ... division are seeking a highly motivated **Junior Mechanical Engineer ** to support the planning, design,...** to support the planning, design, and analysis of mechanical systems -primarily Heating, Ventilation, and Air Conditioning… more
    Leidos (10/23/25)
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