• COBOL Developer

    Koniag Government Services (Chantilly, VA)
    Koniag Data Solutions, a Koniag Government Services company, is seeking a COBOL Developer with a Secret clearance to support KDS and our government customer in ... weeks paid time off, and more. Koniag Data Solutions is seeking a skilled COBOL Developer to join our team. This role is critical in maintaining and enhancing… more
    Koniag Government Services (12/13/25)
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  • Senior UX Developer

    General Dynamics Information Technology (Fairfax, VA)
    …related experience **Job Description:** We are seeking a highly skilled **Senior UX Developer ** with over 7 years of experience in Application Modernization to join ... our dynamic team. The **Senior UX Developer ** will play a critical role in the modernization...to define systems requirements and design. + Refactor existing COBOL -based mainframe applications to modern, cloud-optimized Java microservices using… more
    General Dynamics Information Technology (12/23/25)
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  • Application Developer - z/OS

    CTG (Virginia Beach, VA)
    **CTG is seeking to fill an Application Developer - z/OS position for our client.** **Location:** Virginia Beach, VA **Duration:** 12 months **Duties:** + Design, ... and TSO/ISPF utilities. + Develop and support applications using COBOL , PL/1, or Assembler. + Work with VSAM, DB2,...TSO/ISPF. + Proficiency in at least one programming language: COBOL , PL/1, or Assembler. + Experience with DB2 or… more
    CTG (01/08/26)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Software Developer ** to join our team in the **DC, Maryland, and Virginia (DMV) area** . In this ... Knowledge of various software programming languages, ie Python, Java, C++, Cobol , etc + Hands-on experience developing, updating, and integrating software… more
    ManTech (11/21/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Software Developer ** to join our team in **DC, Maryland, and Virginia (DMV) area** . In this ... Knowledge of various software programming languages, ie Python, Java, C++, Cobol , etc + Hands-on experience developing, updating, and integrating software… more
    ManTech (11/18/25)
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  • Mainframe Modernization Solution Architect

    Rocket Software (Richmond, VA)
    …consulting partners with Rocket Enterprise Portfolio (Enterprise Server/Enterprise Developer /Enterprise Analyzer) mainframe modernization approach and methodology. + ... emulation, automated code conversion, and re-platforming. + Experience with COBOL modernization and porting application code across platforms. + Hands-on… more
    Rocket Software (11/27/25)
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