• Senior M&S Systems Developer (SME)

    SimIS Inc. (Norfolk, VA)
    …and domain expertise. You'll design high-level architectures that integrate legacy systems while building next-generation capabilities, ensuring real-time data ... of architecture designs and code implementations + Develop APIs for connecting legacy systems (JCTS, JTLS) to new architecture + Optimize network performance for… more
    SimIS Inc. (09/05/25)
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  • Assembler Language Coder (ALC) - Developer

    ABBTECH Professional Resources, Inc. (Richmond, VA)
    …+ Ability to work both independently and as part of a larger team + Experience with legacy IRS Masterfile (IMF or BMF) and or CADE2 is a plus + Experience with JIRA ... is a plus + Exposure to DB2 is a plus + Understanding and functioning knowledge of RQM is a plus * Bachelor's Degree or above preferred. More experience is required for non-degreed candidates. **Professional skills:** + Excellent oral and written communication… more
    ABBTECH Professional Resources, Inc. (11/20/25)
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  • Sr Specialist, RUST Software Developer

    L3Harris (Herndon, VA)
    …of RUST throughout the embedded development, managing integration or conversion of legacy software to RUST, providing best practices and architectural guidance for ... memory-safe usage of RUST, developing best practices and implementation guidance, and the translation of requirements into working and maintainable solutions for our C5 and Cyber Solution Centers. The selected candidate will apply technical proficiency across… more
    L3Harris (11/01/25)
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  • Expert Software Engineer

    Amentum (Springfield, VA)
    …new custom features that solve unique problems as well as updating and optimizing legacy features. Each developer has the opportunity to design and implement ... noticeable and impactful changes to the system as a whole. **Responsibilities:** As a GEODS Expert Software Engineer, you will serve as a subject matter expert and mentor to other developers, advancing the vision and execution of the GEODS program by… more
    Amentum (11/18/25)
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  • Expert Software Engineer

    Amentum (Springfield, VA)
    …new custom features that solve unique problems as well as updating and optimizing legacy features. Each developer has the opportunity to design and implement ... noticeable and impactful changes to the system as a whole. **Responsibilities:** As a GEODS Expert Software Engineer, you will serve as a subject matter expert and mentor to other developers, advancing the vision and execution of the GEODS program by… more
    Amentum (11/18/25)
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  • ATIS Web Designer

    Exeter Government Services, LLC (Newport News, VA)
    …matter expert (SME) analysis of ATIS requirements, mapping of ATIS and ATIS legacy system requirements for traceability, and minimal support of ATIS legacy ... sunset. It will also support repositioning and repackaging of legacy systems, as well as support actions of the...elements, creating and maintaining user Help features. The Web Developer will: + Design and builds web pages using… more
    Exeter Government Services, LLC (09/19/25)
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  • Applications Systems Analyst

    Exeter Government Services, LLC (Newport News, VA)
    …matter expert (SME) analysis of ATIS requirements, mapping of ATIS and ATIS legacy system requirements for traceability, and minimal support of ATIS legacy ... sunset. It will also support repositioning and repackaging of legacy systems, as well as support actions of the...leader, study team member, instructor, technical expert, or training developer with tasks that may include but are not… more
    Exeter Government Services, LLC (11/07/25)
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  • Product Architect

    CACI International (VA)
    …Local * * * **The Opportunity:** Are you tired of working to patch legacy applications and ready to put your knowledge, skills and experience to work building ... solutions in a Multi-Tenant Cloud Architecture that will support legacy .NET, Java, and COTS client/server applications + Identifies...as a software architect, tech lead, or a senior developer . + A bachelor's degree in computer science, software… more
    CACI International (11/07/25)
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  • Nautical

    UIC Government Services and the Bowhead Family of Companies (Alexandria, VA)
    …+ System Administrator - Master + System Administrator - SME + Cloud Application Developer - Journeyman + Cloud Application Developer - Senior + Cloud ... Application Developer - Master + Cloud Application Developer - SME + DevSecOps Engineer - Journeyman +...Writer - Senior + Lead Cloud Engineer + Lead Legacy System Engineer + IT Training Specialist - Master… more
    UIC Government Services and the Bowhead Family of Companies (10/30/25)
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  • Sr Software Engineer

    Nightwing (Sterling, VA)
    …strategic direction, Nightwing is looking for individuals with mid-level ServiceNow Developer experience to support customer environment operations. The ServiceNow ... Developer is a technical resource possessing ServiceNow administration capability...technical solutions + Develop custom integration components and integrate legacy systems with platform using mid-server and other relevant… more
    Nightwing (08/27/25)
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