• Software Developer (Journeyman)

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …in a collaborative, congenial environment. We are seeking a Software Developer (Journeyman) to provide expertise in technical design, development, implementation, ... science, Information Systems, or related field OR equivalent work experience. + Experience: + 4 years' experience with a master's degree or higher OR + 2 years'… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Sr. Marklogic Developer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Sr.** **MarkLogic Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (08/02/25)
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  • Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Sr. Java Developer ** with advanced Excel in our **National Security Sector's (NSS) Cyber & ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,...We have an immediate need for a Sr. Java Developer with strong systems, software, cloud, database, and Agile… more
    Leidos (08/02/25)
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  • Full-Stack CNO Developer

    ARSIEM (Annapolis Junction, MD)
    …four ( 4 ) years of experience in programming techniques to evade host and/or network -based IDS + Minimum four ( 4 ) years' experience in network sockets ... client you work with. ARSIEM is currently looking for a Full Stack C NO Developer . The position will support one of our Government clients in Annapolis Junction,… more
    ARSIEM (08/08/25)
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  • Mobile CNO Developer 3

    ARSIEM (Annapolis Junction, MD)
    …( 4 ) years of experience in programming techniques to evade host and/or network -based intrusion detection systems. + Minimum four ( 4 ) years of experience in ... on every client you work with. ARSIEM is currently looking for a Mobile CNO Developer 3 . The position will support one of our Government clients in Annapolis… more
    ARSIEM (08/08/25)
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  • Data Driven Software Developer

    Leidos (Fort Meade, MD)
    **Description** The Leidos Digital Modernization Group seeks a Software Developer with a data background to support the Global Management Systems (GMS) Team for the ... Operations, Sustainment, Maintenance, Repair and Defense of the Defense Information System Network (DISN) within the DOD Information Network (DODIN) in support… more
    Leidos (09/19/25)
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  • Cyber (CNO) Software Developer

    Percival Engineering (Columbia, MD)
    …cutting-edge software, our team does it all. If you are a Cyber (CNO) Software Developer with a passion for innovation and a knack for thinking outside the box, we ... new features and maintain existing software solutions supporting computer network operations. Responsible for the entire lifecycle of solutions...BS degree in Computer Science or related field or 4 years of technical work experience + Minimum one… more
    Percival Engineering (08/07/25)
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  • Software Developer - Journeyman

    Leidos (Gunpowder, MD)
    **Description** Leidos is seeking a **Software Developer ** to provide Post Production Software Support (PPSS) and Post Deployment Software Support (PDSS) for the ... functional tools + Design and test operating systems-level software, compilers, and network distribution applications + Work independently or lead small teams to… more
    Leidos (09/28/25)
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  • Expert CNO Developer (CAP3) - Security…

    Nightwing (Annapolis Junction, MD)
    …( 4 ) years of experience developing packet-level programs, and * Minimum two ( 4 ) years of experience in network sockets programming. Active and transferable ... Expertise in analyzing and securing SSL/TLS protocols, * Proficiency in analyzing network traffic using tools like Wireshark, tcpdump, or custom scripts, *… more
    Nightwing (09/22/25)
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  • Software Developer Cyber - SWE

    Lockheed Martin (Hanover, MD)
    …with a polygraph * Bachelor's degree in computer science, information systems, or network engineering from an accredited college\. OR 4 years equivalent ... a degree\. **Desired Skills:** * Experience with Computer Science, Information Systems or Network Engineering\. * 2 years experience Windows, Linux, or network … more
    Lockheed Martin (10/02/25)
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