• ABBTECH Professional Resources, Inc. (Chantilly, VA)
    **Systems Engineer - Expert ** **Location- Chantilly, Va** **Clearance- TS/SCI w/ FSP** **Salary- 185k-195k/yr** _The above salary range represents the range ... package management, navigating filesystems, running scripts, managing system services + Software development experience with **Python 3** + Version control using… more
    DirectEmployers Association (10/15/25)
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  • Software Engineer ( Expert )

    BAE Systems (Sterling, VA)
    …Other incentives may be available based on position level and/or job specifics. ** Software Engineer ( Expert )** **117841BR** EEO Career Site Equal Opportunity ... for a total of thirteen (13) years is acceptable in lieu of a degree. Software Engineer will serve as part of a software development team to deliver… more
    BAE Systems (10/31/25)
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  • Software Engineer - Subject Matter…

    Noblis (Chantilly, VA)
    Responsibilities As a Software Engineer SME, you will provide technical leadership in the design, development, testing, and management of complex application ... supporting critical IT infrastructure. You will architect and develop advanced software solutions that process large-scale data and enable advanced analytics to… more
    Noblis (10/30/25)
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  • Full Stack Software Engineer SME

    Leidos (Chantilly, VA)
    …Solutions Business Area, is seeking a highly experienced, versatile, and visionary Full Stack Software Engineer Subject Matter Expert (SME) for the Maru ... **Description** National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security… more
    Leidos (11/01/25)
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  • Software Engineer SME

    Leidos (Chantilly, VA)
    …part of the Decision Advantage Solutions Business Area, is currently seeking an experienced Software Engineer Subject Matter Expert (SME) for the Chinook ... obtain a Polygraph.** **Primary Responsibilities:** + Serve as the lead software engineer and technical advisor for mission applications under the Chinook… more
    Leidos (10/05/25)
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  • IT Specialist - Senior/ Expert

    National Reconnaissance Office (NRO) (Chantilly, VA)
    …areas: + Software Engineer /Applications Development - Serve as an expert software engineer / applications developer and consultant, managing and ... desired: Bachelor's or Master's degree in related IT functional area (eg software engineer , information technology, cybersecurity, systems and network engineers,… more
    National Reconnaissance Office (NRO) (08/19/25)
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  • Expert Systems Engineer

    Leidos (Chantilly, VA)
    **Description** Enterprise **System Engineer ** serve to maintain a strong awareness of technical trends in information technology, develop and maintain a strong ... + Develops block diagrams and logic flow charts. Translate detailed design into computer software . + Tests, debugs, and refines the computer software to produce… more
    Leidos (10/10/25)
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  • Principal Systems Engineer - Operational…

    RTX Corporation (Sterling, VA)
    …a security clearance **Security Clearance:** DoD Clearance: Top Secret **Principal Systems Engineer ** **- Operational Expert ** This position is within the ... and debug complex electro/mechanical equipment, computer systems, and/or complex software not related to information technology. + Installs, operates, maintains,… more
    RTX Corporation (11/04/25)
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  • Network Engineer - Subject Matter…

    Noblis (Chantilly, VA)
    Responsibilities As a Network Engineer SME, you will provide expert leadership in designing, implementing, and managing sophisticated network systems and ... protocols, topologies, and networking hardware in classified domains. + Provide expert guidance on network architecture design, feasibility studies, and cost… more
    Noblis (10/30/25)
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  • Signal Processing Engineer Subject Matter…

    Lockheed Martin (Manassas, VA)
    …models for radar, sonar, electronic warfare, and other mission‑critical sensors\. Software Engineering & DevOps - Write production‑grade code, establish CI/CD ... cluster\. Collaboration - Partner with peer engineering organizations, chief engineer offices, and external stakeholders to ensure seamless technology transfer… more
    Lockheed Martin (10/22/25)
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  • Data Engineer - Subject Matter…

    Noblis (Chantilly, VA)
    Responsibilities As a Data Engineer SME, you will be responsible for engineering tasks to deliver advanced analytic applications across classified environments. You ... data pipelines and ETL processes for desktop and web-based analytic software , facilitate the bulk analysis of relational information, and enable applications… more
    Noblis (10/30/25)
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  • Front End Software Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    Front End Software Engineer Location: Chantilly, VA, US Job ID: ATR 17068 Job Description JOB DESCRIPTION: The Front-End Software Engineer will design ... complex new software products, or make significant enhancements to existing software . The ideal candidate is a hands-on developer with significant experience in… more
    Arena Technical Resources, LLC (10/17/25)
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  • Software Engineer - Backend (TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** The Back End Software Engineer will design and develop complex new software ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:** Building Architecture,Complex Systems, Software Applications,… more
    General Dynamics Information Technology (09/27/25)
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  • Systems Test Engineer / Principal Systems…

    Northrop Grumman (Chantilly, VA)
    …global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators ... is seeking a candidate to fill a **Systems Test Engineer / Principal Systems Test Engineer ** position....are operated globally. The team provides 24/7/365 subject matter expert (SME) support to ensure the systems are functioning… more
    Northrop Grumman (10/23/25)
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  • Space Acquisition Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …the next generation of space and ground systems, architectures, and hardware and software solutions. The Space Acquisition Systems Engineer will serve as the ... employee care. Responsibilities We are looking for a Space Acquisition Systems Engineer to provide systems engineering and technical advisory services to a rapidly… more
    Sciolex Corporation (10/09/25)
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  • DevOps Engineer

    Leidos (Chantilly, VA)
    Expert in using DevOps tools such as Jenkins, GitHub, and Rundeck * Expert in the software development lifecycle, with experience delivering within DevOps ... **Description** Leidos is looking for a DevOps Engineer on a 200+ FTE technical development program...will have the opportunity to build strong systems and software utilizing cloud capabilities to support a complex program.… more
    Leidos (09/26/25)
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  • DevSecOps Engineer (Remote)

    Koniag Government Services (Chantilly, VA)
    …Preference in accordance with Public Law 88-352_** **Job Details** **Job Family** ** Software and Systems Development** **Job Function** **DevOps Engineer ** **Pay ... Solutions, LLC, a Koniag Government Services company, is seeking an DevSecOps Engineer to support KMS and our government customer. **This position requires the… more
    Koniag Government Services (10/29/25)
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  • Network Engineer 3

    M. C. Dean (Chantilly, VA)
    …in electrical, engineering, and cybersecurity industries. We are seeking a **Network Engineer 3** to join our **Security and Electronic Systems (SES)** business ... and commercial customers across high-growth markets. Responsibilities The Network Engineer 3 is responsible for designing, implementing, monitoring and managing… more
    M. C. Dean (10/23/25)
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  • Systems Engineer

    Nightwing (Sterling, VA)
    …technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and ... intelligence community, defense, civil, and commercial markets. Job Title: Systems Engineer Location: Sterling, VA Clearance: TS/SCI Poly **This position is… more
    Nightwing (09/26/25)
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  • Chief Engineer /Solution Architect

    BAE Systems (Sterling, VA)
    **Job Description** BAE Systems is searching for a Chief Engineer /Solution Architect (CE/SA) to work on a high profile and mission driven program for our Government ... serving as an embedded technical resource on the program. The Chief Engineer /Solution Architect (CE/SA) leads the design and implementation of complex, end-to-end IT… more
    BAE Systems (09/09/25)
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