• Mobile CNO Developer 3

    ARSIEM (Annapolis Junction, MD)
    …have an impact 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 Junction, MD. Responsibilities + Modernize Mobile CNO capabilities, to include designing, developing, and testing, in...+ Minimum six (6) years of experience with programming CNO tools and techniques. + Minimum five (5) years… more
    ARSIEM (08/08/25)
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  • 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 (09/01/25)
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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 (09/01/25)
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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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  • Vulnerability Researcher/ CNO

    Nightwing (San Antonio, TX)
    …C++ code. Required Skills + TS/SCI Clearance Required + Experience with C or C++ 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 (08/27/25)
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  • Senior Analytic Developer (SWE- 3 )

    Leidos (Annapolis Junction, MD)
    …**Leidos** has a new and exciting opportunity for a **Senior Analytic 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 (09/25/25)
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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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  • 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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  • 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 (10/31/25)
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  • MarkLogic Developer (SME)

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **MarkLogic Developer SME** in our **National Security Sector's (NSS) Cyber & Analytics Business ... 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 SME

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **ETL Java Developer SME** in our **National Security Sector's (NSS) Cyber & Analytics Business ... 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 (08/08/25)
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  • Senior Systems Engineer

    Belay Technologies (Fort Meade, MD)
    …or Exploitation Analyst experience is preferred. + Experience with former or current CNO formalized training pipelines (as a student, developer , or Instructor). ... team. We are looking for a highly motivated Content Developer to play a key role in enhancing the...ideal candidate will have a strong understanding of the CNO operational environment, as well as experience in creating… more
    Belay Technologies (10/22/25)
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  • Sr. 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 8 or more...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (10/31/25)
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  • Sr. Solution Train Engineer w TS/SCI Polygraph

    Leidos (Annapolis Junction, MD)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... Experience in the software development lifecycle - as a developer , tester, analyst, product manager, project/program manager, etc. +...this job requisition will remain open for at least 3 days with an anticipated close date of no… more
    Leidos (10/28/25)
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