• 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...development and lead efforts in advanced Computer Network Operations ( CNO ). You'll be part of a dynamic team working… 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...development and lead efforts in advanced Computer Network Operations ( CNO ). You'll be part of a dynamic team working… more
    ManTech (11/21/25)
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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,...Experience in code review. **Preferred Qualifications:** + Experience in CNO (Computer Network Operations) Development. + Experience in virtualization.… more
    ManTech (11/26/25)
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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 ... 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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  • 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 ... clients in Fort Meade, MD. Responsibilities + Work as a SAS member for Firmware development. + Support the development of new and existing capabilities. Minimum Qualifications + 5+ years of software development experience with a BS degree, 3+ years of… more
    ARSIEM (12/01/25)
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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 ... offensive and defensive network operations. They will engage in reverse engineering to identify vulnerabilities and will develop tools for intrusion detection, penetration testing, and incident response. Utilizing their strong programming skills and knowledge… more
    SAIC (11/17/25)
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  • CNO Developer

    Nightwing (Fort Meade, MD)
    …to customers in the intelligence community, defense, civil, and commercial markets. ** CNO Software Developer ** **Position Description** At Nightwing CODEX, a ... systems with the environment being low and high level user space. The developer diagnoses issues and debugs customer problems using industry standard tools as well… more
    Nightwing (12/12/25)
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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...+ Atlassian Tools (Jira, Confluence). + Experience with production CNO capabilities and operations. Candidates are desired to have… more
    Belay Technologies (11/25/25)
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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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  • 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 ... outside the box, we want you on our team. Let's tackle those cyber threats together - and have a blast while we're at it! Job Type: + All Levels, Full Time + Non-Remote - Columbia, MD Clearance & Citizenship Requirements: + TS/SCI with polygraph is required +… more
    Percival Engineering (11/06/25)
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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,...Design and develop end-to-end data flow and tasking for CNO tools developed. + Provide/author documentation, design, code, and… more
    BigBear.ai (10/31/25)
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  • CNO Developer

    Parsons Corporation (Annapolis Junction, MD)
    …to grow your skills and support our customer's mission. + Demonstrate your CNO development skills as you utilize your creativity to discover new solutions to ... problems, implement capabilities, and help better protect our country. **What Required Skills You'll Bring:** + Active TS/SCI w/ Polygraph required for consideration + Bachelor's degree in relevant field of study and 8+ years of experience; additional years of… more
    Parsons Corporation (11/11/25)
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  • CNO Developer (Baseband)

    Parsons Corporation (Annapolis Junction, MD)
    …from their mentorship to grow your skills and support our customer's mission. Your CNO development skills will be stretched to the limit as you utilize your ... creativity to discover new solutions to problems, implement capabilities, and help better protect our country. **What Required Skills You'll Bring:** + Active TS/SCI w/ Polygraph required for consideration + Bachelor's degree in relevant field of study +… more
    Parsons Corporation (10/24/25)
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  • CNO Developer (All Levels) - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …from their mentorship to grow your skills and support our customer's mission. Your CNO skills will be stretched to the limit as you utilize your creativity to ... discover new solutions to problems, implement capabilities, and help better protect our country. **What You'll Be Doing:** + Design and develop innovative software code for new tools and capabilities in areas related to computer security, vulnerability… more
    Parsons Corporation (11/07/25)
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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...development and lead efforts in advanced Computer Network Operations ( CNO ). You'll be part of a dynamic team working… more
    ManTech (10/14/25)
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  • Entry-Level Software or Embedded Engineer/…

    Parsons Corporation (Centreville, VA)
    …Description:** Parsons is looking for an entry-level **TS Cleared Software** or **Embedded Engineer/ Developer ** to join our team! In this role you will work directly ... client computer network defense (CND) and computer network operations ( CNO ) missions into the future. You'll interface directly with...into the future. You'll interface directly with CND and CNO experts to design and develop tools and systems.… more
    Parsons Corporation (11/07/25)
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  • Front End Developer , Assoc. Principal w/…

    BigBear.ai (Annapolis Junction, MD)
    …building a variety of specialized tools and tradecraft to enhance the CNO mission. Your responsibilities will include developing innovative solutions for scalable ... learn about internal systems and problems distinctive to the CNO mission. + Exposure to modern version control and...data handling frameworks + Redis + Prior experience within CNO + XP/Agile software development + CI/CD + Linux… more
    BigBear.ai (11/07/25)
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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 (12/13/25)
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  • Sr. ETL Developer

    Leidos (Bethesda, MD)
    …**Leidos** has a new and exciting opportunity for a **Sr.** **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 (12/11/25)
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  • Java Developer (SME)

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Java Developer SME** 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 (12/13/25)
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