• Mobile CNO Developer 2

    ARSIEM (Annapolis Junction, MD)
    …an impact on every client you work with. ARSIEM is currently looking for a Mobile CNO Developer 2 . The position will support one of our Government clients ... platforms + Minimum four (4) years of experience with programming CNO tools and techniques + Minimum two ( 2 ) years of experience programming CNO tools for… more
    ARSIEM (08/08/25)
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  • Computer Scientist 2 (Firmware-Savvy…

    ARSIEM (Fort Meade, MD)
    …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 ... BS degree, 3+ years of experience with an MS degree, or PhD + 2 years + 2 + years of specialized experience + Strong proficiency in C programming + Experience… more
    ARSIEM (09/01/25)
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  • CNO Developer

    ManTech (Hanover, MD)
    ManTech seeks a motivated, career and customer-oriented ** CNO Software Developer ** to join our team in **Hanover, MD.** **Responsibilities include, but are not ... limited to:** + Design and develop new hardware or software based CNO capabilities. + Assist with designing, developing, documenting, testing, and debugging of… more
    ManTech (08/11/25)
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  • Calling all CNO Software Expert…

    Lockheed Martin (Hanover, MD)
    …make files or comparable build environment * Minimum 4 years of experience with programming CNO tools and techniques, 2 of which were for the US Government * ... **Description:** **The Work:** A CNO Software Expert does work that requires a...Minimum 2 years in network sockets programming including developing packet\-level… more
    Lockheed Martin (08/14/25)
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  • Vulnerability Researcher/ CNO

    Nightwing (San Antonio, TX)
    …of C++ code. Required Skills + 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… more
    Nightwing (08/27/25)
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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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  • 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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  • Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **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 (09/12/25)
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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 (08/01/25)
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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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  • Senior Capability Developer

    ManTech (Annapolis Junction, MD)
    MANTECH seeks a motivated, career and customer-oriented **Senior Capability Developer ** to join our team in **Annapolis Junction, Maryland** . We're looking for a ... Senior Capability Developer to join our elite team. In this role,...years of experience. A Master's degree may substitute for 2 years of experience, and a PhD may substitute… more
    ManTech (08/24/25)
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  • Java Developer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **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 (08/08/25)
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  • Full Stack Developer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Full Stack 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 (08/01/25)
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  • Senior Full Stack / UI Developer - 25k Sign…

    Leidos (Columbia, MD)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... If you're already scheming step 20 while everyone else is still debating step 2 good. You'll fit right in. **Original Posting:** July 11, 2025 For US Positions:… more
    Leidos (07/12/25)
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  • Senior Software Engineer - Partial Telework

    GliaCell Technologies (Annapolis Junction, MD)
    …We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability ... This position is for a Java Server Pages (JSP) developer . + The developer will be responsible...MD or Hanover, MD / Partial Telework up to 2 days per week dependent upon work assigned. Salary… more
    GliaCell Technologies (08/03/25)
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  • 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 4 or more...years of prior relevant work experience or Masters with 2 or more years of prior relevant work experience.… more
    Leidos (08/01/25)
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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. +...step 20 while everyone else is still debating step 2 good. You'll fit right in. **Original Posting:** September… more
    Leidos (09/10/25)
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  • Software Engineer TS/SCI Poly

    Leidos (Alexandria, VA)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... of prior relevant development experience or master's with two ( 2 ) to six (6) years of prior relevant development...Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, TDD, Refactoring, and… more
    Leidos (08/26/25)
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  • Senior Kubernetes Software Engineer

    Leidos (Columbia, MD)
    …is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and ... or related field and 8 or more years professional software engineering experience + 2 + years of production experience with Kubernetes + Proficiency in at least one… more
    Leidos (07/31/25)
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