• Systems Engineer (Onsite)

    BAE Systems (Springfield, VA)
    **Job Description** The Systems Engineer will be part of an integrated Operations & Sustainment (O&S) team and will interface with engineering resources located ... other facilities. This position requires strong Windows operating system experience. The Systems Engineer is responsible for supporting testing events involving… more
    BAE Systems (12/18/25)
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  • Computer Systems Engineer /Architect…

    TriTech Enterprise Systems, Inc. (Lanham, MD)
    TriTech Enterprise Systems (TriTech) is seeking several 'Computer Systems Engineer /Architect ( Subject Matter Experts) with the following skills. All ... Modern Development Practices Desired Skills - Experience with AWS, Azure, and hybrid systems - Knowledge of enterprise architectures for government systems -… more
    TriTech Enterprise Systems, Inc. (12/06/25)
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  • Systems Engineer

    KBR (Springfield, VA)
    Title: Systems Engineer Belong. Connect. Grow. with...improvements via Request for Change (RFC) review + Coordinate Subject Matter Expert ( SME ... a contingent position based upon contract award. KBR is seeking a Mid-level Systems Engineer to support a government customer in Springfield, VA. The Systems more
    KBR (12/11/25)
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  • Systems Engineer - Platform - active…

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring for a Systems Engineer - Platform - active TS/SCI clearance for our ... Services (SEAS) Team to support our government customer based in Springfield, VA. The Systems Engineer - Platform provides a combination of software and … more
    V2X (12/12/25)
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  • Systems Engineer SME

    CACI International (Fairfax, VA)
    Systems Engineer SME Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... a highly motivated, self-directed professional to fill a Software / Systems Engineer role in Chantilly, VA, to support the customer's modernization effort.… more
    CACI International (12/17/25)
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  • Systems Engineer

    CACI International (King George, VA)
    Systems Engineer Job Category: Engineering Time Type: Full...CSS assessment of ACS and AWS CRs + Provide CSS Subject Matter Expert ( SME ) ... Type of Travel: None * * * **The Opportunity:** CACI is looking for Systems Engineer who will provide analysis support to the Combat Systems Safety (CSS)… more
    CACI International (12/05/25)
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  • Systems Engineer , Senior

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** Bowhead seeks a Senior Systems Engineer as a Subject Matter Expert ( SME ) to support the development of technology solutions from ... engagement capabilities. The successful candidate will have experience with integrated systems , guidance, navigation, and sensors to improve accuracy and effectively… more
    UIC Government Services and the Bowhead Family of Companies (12/04/25)
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  • Mid-Level System Engineer - GEOINT

    KBR (Springfield, VA)
    …sensor integration, and other NSG improvements via Request for Change (RFC) review + Coordinate Subject Matter Expert ( SME ) review of related RFCs and ... Mid-Level System Engineer - GEOINT KBR is seeking a mid-level Systems Engineer to support government customers in the Washington Metropolitan Area. The … more
    KBR (10/17/25)
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  • System Engineer

    Amentum (Dahlgren, VA)
    …(FMS) baselines. + Providing active participation to the Bug Adjudication Board meeting as a Subject Matter Expert ( SME ) for analysis of Bugs reported ... Amentum is seeking a dedicated results-oriented Senior Systems Engineer to support NSWC Dahlgren...demonstrated and established knowledge base and subject matter expertise relevant to combat systems , command… more
    Amentum (12/16/25)
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  • Senior Sales Engineer - SLED, Mid Market…

    Proofpoint (Alexandria, VA)
    …paired with, as well as our current and future customers. As a technical liaison and subject matter expert on all things Proofpoint, you will help to deliver ... best in the industry + You will become an expert in Email Security Gateways, Advanced Persistent Threats, Attack...years of hands on technical experience, either as a Sales/ Systems Engineer , Technical Account Manager, Security … more
    Proofpoint (12/25/25)
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  • Data Engineer (AI) Subject

    SMX (Fort Belvoir, VA)
    Data Engineer (AI) Subject Matter Expert ( SME ) (4799) (TS/SCI) (Ft. Belvoir, VA - Nolan Bldg)at SMX(View all jobs) (https://www.smxtech.com/careers/) ... SMX is seeking a **Data Engineer (AI) Subject Matter Expert ( SME...robust monitoring, observability, and performance tracking for AI-supporting data systems . **Training & Support** + Provide training and technical… more
    SMX (11/08/25)
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  • Cybersecurity Automation Subject

    Koniag Government Services (Alexandria, VA)
    …IT Systems , a Koniag Government Services company **,** is seeking a Cybersecurity Automation Subject Matter Expert ( SME ) with an active TS/SCI to ... off, and more. We are seeking a Cybersecurity Automation Subject Matter Expert ( SME...to modernize and streamline cybersecurity compliance. The Cybersecurity Automation SME will engineer and implement automated solutions… more
    Koniag Government Services (11/14/25)
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  • Subject Matter Expert II (RF…

    NANA Regional Corporation (Alexandria, VA)
    ASE is looking to hire an RF engineer as technical authority and subject matter expert exploring new technologies for immediate insertion to Coast Guard ... VA.** **Responsibilities** + This Engineer is a subject matter expert on RF...standards. + Strong understanding of RF transmission devices, antenna systems , and RF hardware architectures that applies to the… more
    NANA Regional Corporation (12/25/25)
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  • Signal Processing Engineer Subject

    Lockheed Martin (Manassas, VA)
    **Description:** What We're Doing Lockheed Martin Rotary and Mission Systems \(RMS\) is a world‑class leader in defense innovation\. Our Artificial Intelligence ... to deliver next‑generation capabilities to our customers\. As a Signal Processing SME , you will shape advanced AI‑enabled defense solutions-​from early research and… more
    Lockheed Martin (10/22/25)
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  • Data Systems & Policy Analyst

    CACI International (Alexandria, VA)
    …independent SME -level support to a DoD CIO Action Officer as a hybrid data systems engineer and policy analyst. * Engineer , maintain, and enhance Power ... Data Systems & Policy Analyst Job Category: Information Technology...the Data Center Resilience and Optimization Platform (DROP). The SME is responsible for delivering technical insights, developing executive-level… more
    CACI International (12/09/25)
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  • Electrical Engineer SME

    TAI (Fairfax, VA)
    …facilities like data centers or hospitals) and are a Subject Matter Expert in Electrical Power and Building Services Systems , this is your chance to ... Role:** Join TAI's Electrical Group as an Electrical Control SME , where you'll be responsible for planning, designing, and...hospitals may also be considered. + Subject Matter Expert in Electrical Power Systems more
    TAI (10/31/25)
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  • Mechanical Engineer ( Engineer IV)

    Fairfax County Sheriff's Office (Fairfax, VA)
    …specifications for HVAC and plumbing features and compliance with code requirements. + Serve as department subject matter expert and subject matter ... building mechanical, plumbing systems , and building automation systems . + As licensed professional mechanical engineer ...automation systems . + As licensed professional mechanical engineer signs and seals own work product. + Ensures… more
    Fairfax County Sheriff's Office (12/22/25)
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  • Chief Engineer , DHS Cuas Systems

    Parsons Corporation (Centreville, VA)
    …focus on open architecture, modular designs. + Serve as the technical authority and subject matter expert , providing guidance and mentorship on engineering ... Description Summary** Help invent the next generation of Counter Unmanned Aerial Systems (CUAS). Oversee the design, development, and delivery of complex technical… more
    Parsons Corporation (11/15/25)
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  • SME Zero Trust Security Engineer

    GovCIO (Alexandria, VA)
    …matters related to ZT methodology and its practical application. + Serve as the primary Subject Matter Expert ( SME ) for Zero Trust architecture, guiding ... $190,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/7078/ sme -zero-trust-security- engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-VA-Alexandria_ **ID** _2025-7078_ **Category**… more
    GovCIO (11/18/25)
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  • Full Stack Software Engineer SME

    Leidos (Alexandria, VA)
    …Area, is seeking a highly experienced, versatile, and visionary Full Stack Software Engineer Subject Matter Expert ( SME ) for the Maru Program. In ... core individual contributor, you will design, develop, and deploy complex distributed systems and highly interactive user interfaces. + **Lead AI/ML and Data… more
    Leidos (11/01/25)
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