• 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 (11/18/25)
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  • Senior CNO Developer

    ManTech (Aurora, CO)
    MANTECH seeks a skilled and innovative Senior 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 Operations ( CNO ). You'll be part of a… more
    ManTech (10/18/25)
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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 (11/26/25)
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  • CNO Developer /Engineer

    Shuvel Digital (MD)
    …Experience: 7-10 Education Level: Bachelors Position Description: GITI is looking for a senior -level CNO Developer / Engineer Capable of developing cyber ... CNO Developer /Engineer Joint Base Andrews, MD...GIAC Certified Unix Security Administrator (GCWN), Offensive Security Exploit Developer Global InfoTek, Inc. is… more
    Shuvel Digital (12/04/25)
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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 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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  • Cyber Capability Developer - (Multiple…

    Noblis (Chantilly, VA)
    Responsibilities As a Cyber Capability Developer , you will research, develop, and execute specialized operational and analytic capabilities to support technical ... operations in solving unique challenges posed by criminal and national security actors. You will build advanced tools and capabilities for tactical teams performing… more
    Noblis (11/01/25)
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  • Senior Software Engineer

    GliaCell Technologies (Annapolis Junction, MD)
    An active or rein-statable TS/SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are you ... a Senior Software Engineer who is ready for a new...on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable and… more
    GliaCell Technologies (11/06/25)
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