• Mechanical Engineer - Senior

    Sargent & Lundy (Elkridge, MD)
    …include, but are not limited to: + You will be responsible for leading the Mechanical Engineering design efforts for a team of junior and senior engineers and ... assignments that include investigating, troubleshooting, and solving a wide variety of mechanical engineering issues. + Act as the Mechanical team lead… more
    Sargent & Lundy (08/26/25)
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  • Senior Mechanical Engineer

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Senior Mechanical Engineer ** **- Flight Simulation (Onsite)** ... **Description:** Senior level professional focused on the development, build and modification...assigned scope of work + May Lead cross-functional teams ( Mechanical and Electrical) in a Hardware Project Engineer more
    RTX Corporation (11/06/25)
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  • Senior Mechanical Engineer

    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, ... diverse team of industry professionals._ **Role Summary** The M/E Engineer 3 will complete increasingly complex mechanical ,...and refers all exceptions to supervisor. + Career Path: Senior M/E Engineer . **Key Role Responsibilities -… more
    JE Dunn Construction Company (10/22/25)
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  • Senior Mechanical Cx Engineer

    Veolia North America (Ashburn, VA)
    …across North America. **Job Description** **Position Purpose:** Senior Project Engineer - Performs & plans commissioning of mechanical systems. Must ... a self-motivated & energetic professional. Must have understanding of building mechanical systems design, construction & operation. Must have experience with… more
    Veolia North America (11/21/25)
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  • Senior Navy Mechanical

    Cydecor, Inc. (Washington, DC)
    …commitment to Excellence, what separates us. Job Description: Cydecor is looking for a Senior Navy Mechanical Engineer to analyze UxV designs and tackle ... manuals, and specifications. Here's what you need: + Bachelor's level degree in Mechanical Engineering. + 10...+ Master's degree in an Engineering field + Professional Engineer (PE) Certification Security Clearance: Minimum: Interim or Active… more
    Cydecor, Inc. (11/10/25)
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  • Senior Mechanical Engineer

    CMTA, Inc (Arlington, VA)
    …we're innovators, collaborators, and changemakers. We're looking for a skilled and motivated Senior Mechanical Engineer to join our growing team and ... with Impact. Grow with Us.** Are you a passionate Mechanical Engineer looking to take the next...state or federal laws and regulations. EEO is the Law **Job Details** **Pay Type** **Salary** **Education Level ** **Bachelor's… more
    CMTA, Inc (11/19/25)
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  • Senior Mechanical Engineer

    QinetiQ US (Lorton, VA)
    …your professional and personal lives. Position Overview QinetiQ US is seeking a highly motivated Senior Mechanical Engineer , who will be responsible for the ... system level tolerance analysis + Provide "hands-on" support for mechanical design and product issues related to various DOD pre-production and production… more
    QinetiQ US (11/10/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    **Description** The Mission Solutions Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The successful candidate ... + Model different aspects of a facility to include mechanical , electrical, and structural components within industry software packages...be eligible to obtain a TS/SCI w/ CI poly level clearance. US Citizenship is **required.** + Master's with… more
    Leidos (09/26/25)
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  • Senior Mechanical Engineer

    CMTA, Inc (Fairfax, VA)
    …transition to become a valuable team member within our Energy Solutions group. The Senior Engineer leads all aspects of performance contracts for our clients, ... and career opportunities. CMTA, a Legence company, is looking for an experienced Engineer to help expand our reach in new markets. The Energy Solutions division… more
    CMTA, Inc (11/23/25)
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  • Senior Mechanical Engineer 1…

    Sargent & Lundy (Elkridge, MD)
    Description This is a senior level mechanical engineering position that will provide you with a variety of interesting and challenging responsibilities. We ... candidates with experience in the analysis, design, and licensing requirements of mechanical and nuclear systems and components for nuclear power plants. You will… more
    Sargent & Lundy (09/09/25)
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  • Mechanical Engineer

    Fairfax County Sheriff's Office (Fairfax, VA)
    Mechanical Engineer ( Engineer IV) Print...of $5,000 for new county hires. This position provides senior level leadership and is responsible for the ... (https://www.governmentjobs.com/careers/fairfaxcounty/jobs/newprint/5104001) Apply  Mechanical Engineer ( Engineer IV) Salary $87,024.91 - $145,041.94… more
    Fairfax County Sheriff's Office (11/02/25)
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  • Navy Mechanical Engineer - Clearance…

    Cydecor, Inc. (Washington, DC)
    …4 years of relevant experience and a bachelor's level degree in Mechanical Engineering. + Professional Engineer License + Relevant mechanical engineering ... separates us. Job Description: Cydecor is seeking a Navy Mechanical Engineer to provide support to a...attributes in engineering terms. Here's what you need: + Senior Level : 10 years of professional experience… more
    Cydecor, Inc. (11/21/25)
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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 role demands...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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  • Project Manager/Lead Mechanical

    WSP USA (Columbia, MD)
    This Opportunity WSP is currently initiating a search for a **Project Manager/Lead Mechanical Engineer ** for our **Columbia, MD** office. Be involved in projects ... matrices for project development, design, and construction. + Apply high- level mechanical engineering techniques and processes to...+ Works independently to provide guidance and leadership to mid- level to senior level team… more
    WSP USA (10/29/25)
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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,...offers the opportunity to work under the mentorship of senior engineers and contribute to system layout, equipment selection,… more
    Leidos (10/23/25)
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  • Principal Mechanical Engineer

    Washington Suburban Sanitary Commission (WSSC) (Laurel, MD)
    Position Information Functional TitlePrincipal Mechanical Engineer Recruitment Category TypeStandard Functional CategoryEngineering & Construction GradeEG.16 ... 5:00 PM Position LocationLaurel Position Summary Information General Summary ThePrincipal Mechanical Engineerperforms principal level mechanical engineering… more
    Washington Suburban Sanitary Commission (WSSC) (10/16/25)
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  • Junior Mechanical Engineer

    Huntington Ingalls Industries (Alexandria, VA)
    …video: https://vimeo.com/732533072 Job Description HII is seeking an imaginative and adaptable Junior Mechanical Engineer that is on schedule to graduate in May ... Salary Range: $61,911.00 - $90,000.00 Security Clearance: Ability to Obtain Level of Experience: College This opportunity resides with Warfare Systems (WS),… more
    Huntington Ingalls Industries (10/28/25)
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  • Mechanical Engineer

    Leidos (Chantilly, VA)
    … - Mission-Critical Facilities Design** Leidos is seeking a driven and detail-oriented Junior level Mechanical Engineer to support the planning, design, and ... analysis of mechanical systems-primarily Heating, Ventilation, and Air Conditioning (HVAC)-for secure, mission-critical operations across government, commercial, and… more
    Leidos (11/05/25)
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  • Mechanical Engineer IV

    VTG (Washington, DC)
    Overview We are seeking a senior Mechanical Engineer to support our Washington, DC office. Candidate will review and analyze UxV designs, support design and ... you have what it takes? Required skills: + Bachelor's level degree in Mechanical Engineering. + 10...Preferred skills: + Master's level degree in Mechanical Engineering + Professional Engineer License +… more
    VTG (11/16/25)
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  • Subject Matter Expert (SME) - Professional…

    V2X (Washington, DC)
    …all agency employees. The Subject Matter Expert (SME) - Licensed Professional Engineer (PE) ( Mechanical , Electrical, Structural, Fire Protection, and/or Civil) ... highly qualified, possess an active Department of Defense (DoD) Top Secret level Security Clearance (minimum), and demonstrate commitment to ensuring safe, reliable,… more
    V2X (11/20/25)
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