• 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 expected ... 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 TS/SCI Poly

    Leidos (Alexandria, VA)
    **Description** Leidos has an exciting opportunity for a Software Engineer ! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform ... software development lifecycle (SDLC) activities as both an individual...as client web application and user interface (UI) development. Java , Python, embedded C/C++, Java cryptographic framework,… more
    Leidos (09/26/25)
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  • Software Engineer TS/SCI Poly

    Leidos (Alexandria, VA)
    **Description** Leidos is looking for a Software Engineer to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a ... an on-going mission and operational system. **Job Summary** The Software Engineer will perform software ...as client web application and user interface (UI) development. Java , Python, embedded C/C++, Java cryptographic framework,… more
    Leidos (09/15/25)
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  • Software Engineer TS/SCI Poly

    Leidos (Alexandria, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics Business ... make a difference in National Security!** **Job Summary** The Software Engineer will perform software ...client web application and user interface (UI) development). + Java , Python, embedded C/C++, Java cryptographic framework,… more
    Leidos (08/26/25)
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  • Senior Software Engineer

    Cinteot (Fort Belvoir, VA)
    SENIOR SOFTWARE ENGINEER REQUIREMENTS: + Active TOP SECRET/SCI + Bachelor's Degree in Systems Engineering, Software Engineering, or Computer Science + 10 ... PHP, React, NIFI, JavaScript, HTML, CSS, JavaServer pages and JAVA , XML, PHP Oracle , MS SQLServer, ColdFusion..., MS SQLServer, ColdFusion Server, CFML, CFScript IIS, Sencha Software tool, Python and Windows Server 2016R@ or higher.… more
    Cinteot (11/05/25)
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  • Software Engineer - Data Integration…

    EDB (Richmond, VA)
    …systems, good understanding of database concepts, procedural languages for PostgreSQL and Oracle . + Experience with deploying and operating software on ... event streaming, Cloud Service Provider (CSP) services, and EDB software to create fault-tolerant and high-performance data solutions. We're...5+ years experience in a back-end development role using Java along with Go or Python + Experience with… more
    EDB (11/13/25)
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  • Senior Software Engineer

    ManTech (Alexandria, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Software Engineer ** to join our team in **Alexandria, VA** . As part of the position, you ... will act as a Software Engineer designing and implementing services and...and/or scripting languages such as JavaScript, Python, C++, or Java . + Experience with software development frameworks… more
    ManTech (10/16/25)
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  • Sr. Software Engineer

    Leidos (Alexandria, VA)
    …Decision Advantage Solutions Business Area, is currently seeking a highly motivated Sr. Software Engineer for the Chinook Program. The Chinook Program delivers ... Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations,… more
    Leidos (10/05/25)
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  • Software Engineer / IDAM - Active…

    ENS Solutions (Reston, VA)
    As a Software Development Engineer with a focus on Identity and Access Management (IDAM), you will leverage your expertise in both software development and ... tools within an IT enterprise environment + Knowledge of Java , JavaScript, XML, SOAP, and REST development + Knowledge...JavaScript, XML, SOAP, and REST development + Knowledge of Oracle Database + Knowledge of Docker Containers and Ansible… more
    ENS Solutions (09/27/25)
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  • Software Engineer SME

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