• Computer Scientist 3 or 4…

    ARSIEM (Fort Meade, MD)
    …work with. ARSIEM is currently looking for a Computer Scientist 3 or 4 (Virtualization-Savvy CNO Developer 3 or 4) . This position will support one of ... our Government clients in Fort Meade, MD. Responsibilities + Support Virtualization Team with SAS expertise Minimum Qualifications + BS + 10 to 15 year of experience, MS + 8 to 13, or PhD + 6 to 11years + 5 years of specialized experience + Embedded + Strong C… more
    ARSIEM (12/01/25)
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  • CNO Net Developer

    Belay Technologies (Annapolis Junction, MD)
    …to Work 2019, runner-up in 2020 and a finalist in 2021! Belay Technologies is seeking a CNO Net Developer for our intel team. You will act as a general-purpose ... CNO reverse engineer for network-based devices for up-and-coming projects...weeks paid leave - 4 weeks of personal leave, 3 Yay! days, take off on your birthday,11 paid… more
    Belay Technologies (11/25/25)
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  • Computer Scientist 2 (Firmware-Savvy CNO

    ARSIEM (Fort Meade, MD)
    …client you work with. ARSIEM is currently looking for a Computer Scientist 2 (Firmware-Savvy CNO Developer 2) . This position will support one of our Government ... capabilities. Minimum Qualifications + 5+ years of software development experience with a BS degree, 3 + years of experience with an MS degree, or PhD + 2 years + 2+… more
    ARSIEM (12/01/25)
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  • Vulnerability Researcher/ CNO

    Nightwing (San Antonio, TX)
    …TS/SCI Clearance Required + Experience with C or C++ 2+ years of experience + 3 or more of the following desired skills Desired Skills + Understanding of OS ... Internals (any major OS) + Experience reading or writing assembly (x86, x64, ARM, PPC, MIPS, SPARC, 68k, or others) + Experience developing embedded systems + Understanding of network protocols (TCP/IP stacks, wire-level protocols, RF communications, BGP,… more
    Nightwing (11/25/25)
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  • Senior Vulnerability Researcher/Reverse Engineer/…

    Nightwing (San Antonio, TX)
    …5 years of prior engineering experience or equivalent experience, or MS with minimum of 3 years of experience + 4 or more of the following desired skills Desired ... Skills + Existing US Government DOD TS or TS/SCI Clearance + Understanding of OS Internals (any major OS) + Experience reading or writing assembly (x86, x64, ARM, PPC, MIPS, SPARC, 68k, or others) + Familiarity with stack frames, calling conventions, and… more
    Nightwing (09/12/25)
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  • Principal ETL Developer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Principal ETL** ** Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (09/13/25)
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  • ETL Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for an **ETL Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (09/12/25)
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  • JIRA Developer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a **JIRA Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/30/25)
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  • Sr. Full Stack Developer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Sr. Full Stack Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (11/07/25)
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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 ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/31/25)
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  • ETL Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **ETL Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/31/25)
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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 & ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/31/25)
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  • Senior Python Developer (SWE- 3 )

    Leidos (Fort Meade, MD)
    …**Leidos** has a new and exciting opportunity for a **Senior Python Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/28/25)
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  • Senior Python AI/ML Prototype Developer

    Leidos (Fort Meade, MD)
    …**Leidos** has a new and exciting opportunity for a **Senior Python AI/ML Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/03/25)
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  • Principal Java Developer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Principal** **Java Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (09/13/25)
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  • Embedded System Researcher 3

    ARSIEM (Annapolis Junction, MD)
    …on distilling larger tasks into meaningful milestones Labor Category Requirements - Software Developer 3 + Minimum eight (8) years of experience programming with ... design, develop, test, validate, deploy) Labor Category Requirements - CNO Analyst/Programmer 3 + Bachelor's degree and six (6) years of experience… more
    ARSIEM (11/07/25)
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  • Principal DevOps Engineer

    Leidos (Bethesda, MD)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... within a software development team and supporting developers and developer activities. + Bachelors degree with 12 or more...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (12/04/25)
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  • National Security Sector Referrals

    Leidos (Reston, VA)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Offensive Cyber, Mission Software, Analytical Methods and Modeling, Signals ... are in the following areas: + Software Engineer / Developer : Java, Python, AI/ML + DevOps Engineer + Reverse...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (10/18/25)
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