• Systems Engineer & Process

    KBR (Chantilly, VA)
    Title: Systems Engineer & Process SME Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... upon contract award KBR is seeking a highly qualified Systems Engineer to provide Systems ...the to plan and execute intelligence-gathering missions from overhead systems and process the resulting collected data… more
    KBR (11/07/25)
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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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  • Full Stack Software Engineer SME

    Leidos (Chantilly, 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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  • DevOps Engineer SME

    Leidos (Chantilly, VA)
    **Description** Leidos is looking for a DevOps Engineer on a 200+ FTE technical development program responsible for delivering modern Identity Access Credential ... Management (ICAM) solutions. As a DevOps Engineer on this program, you will have the opportunity...program, you will have the opportunity to build strong systems and software utilizing cloud capabilities to support a… more
    Leidos (12/10/25)
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  • Senior Radar SME (Hybrid)

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is looking for an exceptional **Senior Radar Subject Matter Expert ** ( SME ) to join the on-going ... engineering technical support + Trade studies + A senior engineer with highly relevant experience in radar systems...documentation (as part of the configuration control and design process ) and interface control documents + Experience as a… more
    Parsons Corporation (11/15/25)
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  • Systems Integrator SME

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Systems Integrator for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM ... /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Systems Integrator must be highly organized, proactive, and detail-oriented. This… more
    Leidos (12/17/25)
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  • Software Developer SME

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM ... /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers… more
    Leidos (11/01/25)
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  • Systems Engineer Senior II

    ULTRA ELECTRONICS OCEAN SYSTEMS INC. (Chantilly, VA)
    …and allocates or coordinates work with the project or work package. Serves as a subject matter expert and influencer to make complex decisions based on ... Description Ultra Maritime is searching for a highly motivated and detail oriented Lead Systems Engineer to support the development of Radar systems . Working… more
    ULTRA ELECTRONICS OCEAN SYSTEMS INC. (12/19/25)
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  • Systems Test Engineer / Principal…

    Northrop Grumman (Chantilly, VA)
    …operated globally. The team provides 24/7/365 subject matter expert ( SME ) support to ensure the systems are functioning properly. In support of these ... Systems ** is seeking a candidate to fill a ** Systems Test Engineer / Principal Systems...writing test reports + Demonstrated experience in documentation and process development + Knowledge of RF and radio communication… more
    Northrop Grumman (10/23/25)
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  • Principal / Sr. Principal DevOps Software…

    Northrop Grumman (Chantilly, VA)
    …operated globally. The team provides 24/7/365 subject matter expert ( SME ) support to ensure the systems are functioning properly. In support of these ... is seeking a candidate to fill a **DevOps Software Engineer ** position. This position will be located in Chantilly,...familiarity with using and building Windows and Linux Operating Systems + Demonstrated experience in documentation and process more
    Northrop Grumman (12/04/25)
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  • Mid-Level System Engineer - GEOINT

    KBR (Chantilly, VA)
    …sensor integration, and other NSG improvements via Request for Change (RFC) review + Coordinate Subject Matter Expert ( SME ) review of related RFCs and ... Engineer - GEOINT KBR is seeking a mid-level Systems Engineer to support government customers in...or industry in relevant work areas including: DoD/IC Acquisition Process , Requirements Process , PPBES Process more
    KBR (10/17/25)
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  • Facilities Mechanical Engineer

    Leidos (Chantilly, VA)
    …commercial HVAC systems . **Preferred Qualifications** + **Current Polygraph** + Recognized ** Subject Matter Expert ( SME )** in mechanical ... **Description** **Senior Mechanical Engineer ** Leidos is seeking a seasoned and innovative...design, maintenance, and configuration management of complex building mechanical systems across a secure site. This role demands deep… more
    Leidos (10/27/25)
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  • Sr. Electrical Engineer

    Leidos (Chantilly, VA)
    …industrial control systems , PLCs, and instrumentation **Preferred Qualifications** + Recognized Subject Matter Expert ( SME ) in electrical engineering ... Engineer ) certification + Field experience in electrical construction, systems integration, and testing + Strong project management skills including budgeting,… more
    Leidos (10/28/25)
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  • Senior RF/Electrical Engineer (Vaxcom)

    Parsons Corporation (Chantilly, VA)
    Engineer ** to join our team! In this role you will get to **serve as the Subject Matter Expert ( SME ) on Electronic Warfare (EW) for a large, complex ... fixed site and mobile UAS and RCIED platforms.** **Drive the requirements development process for complex systems , ensuring that design and integration meet… more
    Parsons Corporation (11/26/25)
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  • Principal Infrastructure Lead Engineer

    RTX Corporation (Dulles, VA)
    systems (compute, network, storage). The lead is also responsible for functioning as a Subject Matter Expert ( SME ) for the Field Support team ... have an immediate need for an **Principal** **Infrastructure Lead Engineer - Classified System** to lead and guide a...Must Have:** + Experience in designing and deploying IT systems . + Knowledge of modern IT infrastructure, including vendors… more
    RTX Corporation (11/04/25)
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  • Network Engineer (Intelligence Center)

    The MITRE Corporation (Chantilly, VA)
    …us. The MITRE Space Intelligence Systems Department is looking for a Network Engineering Subject Matter Expert ( SME ) who wants to drive innovative ... the world. Roles & Responsibilities: + MITRE's Space Intelligence Systems is looking for a Principal Network Engineer...to providing top level technical support and vision, provide subject matter expertise across several government offices… more
    The MITRE Corporation (12/20/25)
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  • Lead Artificial Intelligence Engineer

    The MITRE Corporation (Chantilly, VA)
    …MITRE Space Intelligence Systems Department is looking for an Artificial Intelligence Engineering Subject Matter Expert ( SME ) who wants to drive ... and Execution for the following: + Information technology system configuration and architecture Subject Matter Expertise as well as familiarity with technical … more
    The MITRE Corporation (11/27/25)
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  • Cybersecurity Engineer 6

    M. C. Dean (Chantilly, VA)
    systems for A&A and Continuous Monitoring support. + Serve as the security subject matter expert for the A&A and Continuous Monitoring processes. + ... seeking a **Cybersecurity Engineer 6** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will… more
    M. C. Dean (11/28/25)
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  • Principal Software Engineer - Training…

    RTX Corporation (Sterling, VA)
    …visual motion and simulator interoperability. In this position, you will become a technical subject matter expert for the design, implementation, and testing ... a security clearance​ **Security Clearance:** DoD Clearance: Secret **Principal Software Engineer ** **- Training System Software (Onsite)** **Role Description: ** We… more
    RTX Corporation (11/19/25)
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  • Traveling Commissioning Engineer III…

    Quality Technology Services, LLC (Manassas, VA)
    The **Mechanical Commissioning Engineer L3** is responsible for but not limited...assist in developing the team. . Act as a Subject Matter Expert to the ... Level 3, 4 and 5 commissioning of base building systems and components of a Data Center environment. This...client specifications. . Monitor any issues during the commissioning process , working closely with the project team to resolve… more
    Quality Technology Services, LLC (12/03/25)
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