• Senior CNO Developer

    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 (12/20/25)
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  • Senior CNO Developer

    Nightwing (Fort Meade, MD)
    …to customers in the intelligence community, defense, civil, and commercial markets. ** Senior CNO Software Developer ** **Position Description** At Nightwing ... will support the group's overall mission to design, develop, test, and maintain CNO capabilities. ** Security Clearance** Top Secret/SCI + CI Poly **Required… more
    Nightwing (12/12/25)
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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...reverse-engineer, and develop mission-critical capabilities that directly support national security objectives. You will be a key player in… more
    ManTech (12/21/25)
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  • CNO Developer Intern

    ManTech (Hanover, MD)
    **MANTECH** seeks **Computer Network Operations ( CNO ) Developer Interns** to design and develop technologies to defend, attack and exploit networks in defense of ... Candidates must be US Citizens with an active US Security Clearance or US Citizens eligible to obtain a...to communicate, converse, and exchange information with peers and senior personnel + Must be able to consistently operate… more
    ManTech (12/29/25)
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  • Senior Vulnerability Researcher/ CNO

    Nightwing (San Antonio, TX)
    …both sides of the fence, both developing and defeating new and advanced security techniques. Projects are undertaken in small teams with close coordination with ... work experience will be considered. + Active and transferable US government issued **TS/SCI security clearance** is required prior to start date. + 4 or more of the… more
    Nightwing (11/25/25)
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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 Java Analytic Developer

    Leidos (Fort Meade, MD)
    …has a new and exciting opportunity for a ** Senior Java Analytic Developer ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission...how this program "Delivers Mission Success!" Seeking a motivated senior Java analytic GHOSTMACHINE developer to support… more
    Leidos (12/23/25)
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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 ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations ( CNO ), Mission...how this program "Delivers Mission Success!" Seeking a motivated Senior Python Developer with the right knowledge,… more
    Leidos (10/28/25)
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