• CNO Python Developer

    Parsons Corporation (Baltimore, MD)
    …talent and redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented CNO Python Developer to join our team! You'll be a ... Bring:** + Active TS/SCI w/Polygraph + Minimum 10+ years of experience in exploit/ CNO tool development + Proficiency with programming languages such as Python ,… more
    Parsons Corporation (12/09/25)
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  • CNO Developer /Engineer

    Shuvel Digital (MD)
    CNO Developer /Engineer Joint Base Andrews, MD...and/or applications in a variety of computer languages, (eg, Python , C++, Rust, and Java, etc.). + Assist in ... Education Level: Bachelors Position Description: GITI is looking for a senior-level CNO Developer / Engineer Capable of developing cyber capabilities and… more
    Shuvel Digital (12/04/25)
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  • Associate CNO Developer

    ManTech (Hanover, MD)
    **MANTECH** seeks a skilled and innovative **Associate CNO Developer ** to join our team in **Hanover, MD.** In this role, you will contribute to the development ... of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations ( CNO ). You'll be part of a… more
    ManTech (12/11/25)
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  • Expert CNO Developer

    ManTech (Hanover, MD)
    **MANTECH** seeks a skilled and innovative **Expert CNO Developer ** to join our team in **Aurora, CO.** In this role, you will contribute to the development of ... mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network...and 8+ years of relevant experience + Experience in Python and C/C++ programming languages + Experience with troubleshooting… more
    ManTech (11/21/25)
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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...(eg, Wireshark). + Produce and modify software systems in C/C++/ Python /Assembly. + Provide support for fielded software systems. +… more
    Belay Technologies (11/25/25)
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  • CNO Developer / Engineer

    BigBear.ai (Columbia, MD)
    Overview BigBear.ai is hiring CNO Developers to provide custom software design and development of CNO tools and techniques. Designs and develops end-to-end data ... flow and tasking into CNO tools developed. Provides/authors documentation, participate in design, code,...+ Program in Assembly, C, C++, Java, Perl, or Python . + Develop Windows applications using Visual Studio or… more
    BigBear.ai (10/31/25)
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  • Senior CNO Developer

    ManTech (Annapolis Junction, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior CNO 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,...to:** + Develop custom software tools and applications using Python , C, and Assembly, focusing on embedded and resource-constrained… more
    ManTech (11/26/25)
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  • Associate CNO Software Developer

    ManTech (Hanover, MD)
    **MANTECH** seeks a motivated, career and customer-oriented **Associate CNO Software Developer ** to join our team in Hanover, MD. **Responsibilities include, but ... not limited to:** + Design and develop new hardware or software based CNO capabilities. + Assist with designing, developing, documenting, testing, and debugging of… more
    ManTech (11/26/25)
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  • CNO Developer

    SAIC (Fort Meade, MD)
    …where you can** **grow your career in a dynamic and supportive environment!** The CNO Developer designs, develops, and implements tools and capabilities for both ... test, and release cycles + Study disassembly or write Python to audit pieces of C++ code **Qualifications** +...Eight (8) years' experience in Assembly, C, C++, or Python + Previous leadership experience Desired Qualifications: + Understanding… more
    SAIC (11/17/25)
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  • Cyber ( CNO ) Software Developer

    Percival Engineering (Columbia, MD)
    …to developing 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 ... + Write or learn a high-level programming language like Python or Ruby. Required Skills & Qualifications: + Deep...system internals and development environments + C/C++ programming and Python development skills + Experience with IPv4 Protocol and… more
    Percival Engineering (11/06/25)
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  • Computer Scientist 3 or 4 (Virtualization-Savvy…

    ARSIEM (Fort Meade, MD)
    …you 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 ... protocols, SSL security layers + Reverse Engineering for debugging Preferred Qualifications + Python The ARSIEM pay range for this job level is a general guideline… more
    ARSIEM (12/01/25)
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  • Senior CNO Software Engineer

    ManTech (Hanover, MD)
    MANTECH seeks a skilled and innovative Senior CNO Developer to join our team in Hanover, MD. In this role, you will contribute to the development of ... mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations ( CNO ). You'll be part of a… more
    ManTech (10/14/25)
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  • Senior Python Developer (SWE-3)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Python Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... more about how this program "Delivers Mission Success!" Seeking a motivated Senior Python Developer with the right knowledge, skills, and abilities to support… more
    Leidos (10/28/25)
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  • Senior Python AI/ML Prototype…

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Python AI/ML Developer ** in our **National Security Sector's (NSS) Cyber & Analytics ... 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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  • Junior Software Developer

    Nightwing (Annapolis Junction, MD)
    …intelligence community, defense, civil, and commercial markets. **Junior Software Developer ** **Position Description** At Nightwing CODEX, a software developer ... and techniques. Most of the work is developed in Python , C++ and Java. The intended platforms are Windows...environment being low and high level user space. The developer diagnoses issues and debugs customer problems using industry… more
    Nightwing (12/04/25)
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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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  • 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 (11/07/25)
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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 (09/13/25)
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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 (12/08/25)
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