• Senior Mechanical Engineer

    Jacobs (Chantilly, VA)
    Jacobs has an opportunity for a Senior Mechanical Engineer supporting our long-term project in Quantico, VA. Position Description The Senior ... with our Federal group as an owner's representative. The Senior Mechanical engineer will act...Active secret clearance and ability to obtain Top Secret clearance. Ideally, You''ll also have:… more
    Jacobs (07/11/25)
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  • Senior Mechanical Engineer

    CACI International (Springfield, VA)
    Senior Mechanical Engineer Job Category:...schematics, and diagrams written under the ANSI standards. + Top Secret ( TS ) security clearance with ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up...Travel: Local * * * CACI is seeking a ** Mechanical Engineer ** , that provides professional engineering… more
    CACI International (07/10/25)
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  • Senior Mechanical Engineer

    Leidos (Chantilly, VA)
    …greatest work is ahead!** The National Security Sector (NSS) is hiring for a Senior Mechanical Engineer to support our Intelligence Community customer. You ... and modifications to Engineering designs. **What does Leidos need from me?** + Active Top Secret /SCI ( TS /SCI) with Polygraph security clearance required. +… more
    Leidos (05/08/25)
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  • Mechanical Engineer Senior

    V2X (Warrenton, VA)
    …their most complex challenges with integrity, respect, responsibility, and professionalism. The Senior Mechanical Engineer will provide design and ... The position requires US Citizenship and an active DoD Top Secret with SCI clearance and the...mechanical systems, fire protection, construction, etc.) + Professional Engineer (PE) Registration desired. Education: + Bachelor's degree in… more
    V2X (06/19/25)
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  • Senior Mechanical Engineer

    Jacobs (Chantilly, VA)
    …protection, construction, etc.) * Professional Engineer (PE) Registration desired * Active Top Secret clearance, ability to acquire a CI Poly. Jacobs is an ... evolve, grow, and succeed - today and into tomorrow. The Mechanical Engineer will have essential multi-discipline team representation and be self-motivated, well… more
    Jacobs (07/11/25)
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  • Senior Mechanical Engineer

    Leidos (Chantilly, VA)
    **Description** The Multi-Domain Solutions division at Leidos is seeking a Mechanical Engineer to be based on site with our Intel Community customer. This ... engineering, coordination, contracting, installation oversite, inspection, and acceptance of mechanical systems/services, which include HVAC, HVAC controls, chillers, boiler,… more
    Leidos (05/24/25)
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  • Sr. Mechanical Engineer

    Johnson, Mirmiran, and Thompson Inc. (Quantico, VA)
    …list of the Top 500 Design Firms. Position summary: JMT is seeking a Senior Mechanical Engineer in the Quantico, VA area for an exciting opportunity ... mechanical engineering + 10 years' experience as a Mechanical Engineer in commercial/government office building design...construction Preferred Experience + US Government Top Secret security clearance + Professional Engineer (PE)… more
    Johnson, Mirmiran, and Thompson Inc. (07/01/25)
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  • Staff Mission Architect Engineer

    Northrop Grumman (Dulles, VA)
    …and competitor analysis + Brief and lead technical meetings for senior leaders across the space community **Basic Qualifications:** + Bachelor's Degree ... of experience in a related engineering field such as mechanical , electrical, aerospace and/or operations; 10 years with a...+ **Must have US Citizenship with active or current TS /SCI Clearance at time of application** + Understanding of… more
    Northrop Grumman (06/28/25)
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  • Senior Electrical Engineer - Data…

    Parsons Corporation (Centreville, VA)
    …to work effectively in a team environment. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this ... what you're looking for. **Job Description:** Parsons is looking for an amazingly talented Senior level **Data Center Electrical Engineer ** to join our team! In… more
    Parsons Corporation (06/28/25)
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  • Principal / Sr Principal Mechanical

    Northrop Grumman (Fairfax, VA)
    …OCONUS. The candidate must be a self-starter and comfortable working as a lead mechanical engineer in the design and deployment of AMS solutions. The candidate ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...will have access to senior mechanical engineers on an as-needed basis… more
    Northrop Grumman (06/27/25)
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  • Junior Mechanical Engineer

    Leidos (Chantilly, VA)
    …The Multi-Domain Solutions ( **MDS** ) division at Leidos is seeking a Junior Mechanical Engineer who will support the planning, design, and analysis of ... mechanical systems-primarily Heating, Ventilation, and Air Conditioning (HVAC)-for mission-critical...commercial, and institutional facilities. Working under the guidance of senior engineers, this role involves assisting with system layout,… more
    Leidos (05/24/25)
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  • AI Engineer

    The MITRE Corporation (Quantico, VA)
    …Computer Science, or related fields and 8 years of related experience + Active Top Secret //SCI clearance. + Expertise in large-scale data analysis using Spark, ... This requisition requires the candidate to have a minimum of the following clearance(s): Top Secret /SCI This requisition requires the hired candidate to have or… more
    The MITRE Corporation (07/10/25)
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  • Facilities Engineer

    Parsons Corporation (Fort Belvoir, VA)
    …for buildings and facilities. + Must have a Valid Passport + Must have an Active Top Secret Clearance with SCI Eligibility + Must be able to travel up to ... senior -level civilian and military personnel. **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​… more
    Parsons Corporation (07/10/25)
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  • Facilities Engineer

    Nightwing (Sterling, VA)
    …defense, civil, and commercial markets. Nightwing is seeking to hire a cleared ** Senior Facilities Maintenance Technician** based in the Sterling, VA to join a ... limited to, providing facility improvement solutions, maintaining the operation ( mechanical , HVAC, electrical, plumbing, structural) of the building, oversight of… more
    Nightwing (06/24/25)
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  • Principal/Sr. Principal Engineer

    Northrop Grumman (Chantilly, VA)
    …training in basic Surface Mount Technology (SMT) soldering and assembly skills. ** Senior Principal Engineer Electronics** **Basic Qualifications:** + Must be a ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees… more
    Northrop Grumman (07/11/25)
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  • Sr System Engineer

    KBR (Chantilly, VA)
    …ensure national security and shape the future of space defense. KBR is seeking a Senior Systems Engineer to support our customers in Chantilly, VA. The position ... Title: Sr System Engineer Belong. Connect. Grow. with KBR! KBR's National...Knowledge of Software Systems Engineering + Electrical Engineering and/or Mechanical Engineering experience preferred Travel: CONUS and OCONUS travel… more
    KBR (04/23/25)
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  • Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC has an immediate opening for a Systems Engineer to work on an exciting program in Chantilly! The successful candidate will be a proactive, ... and support timely and meaningful presentation of information to senior manager. **Qualifications** + Must currently hold an Active... manager. **Qualifications** + Must currently hold an Active TS /SCI and Poly + BS Degree in a relevant… more
    SAIC (07/08/25)
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