• 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 (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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  • 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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  • Senior Vulnerability Researcher/Reverse Engineer/…

    Nightwing (San Antonio, TX)
    …Vulnerability Researchers at NightWing CODEX analyze systems to understand how they work and how they behave when they break. Candidates must be able to play both ... sides of the fence, both developing and defeating new and advanced security techniques. Projects are undertaken in small teams with close coordination with customers. All our engineers write code, but many of our engineers spend as much time taking systems… more
    Nightwing (12/12/25)
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  • Vulnerability Researcher/ CNO

    Nightwing (San Antonio, TX)
    …for access to classified information. US Citizenship is required. Qualified applicants must meet the requirements to obtain and maintain a government security ... clearance. Education Required BS/MS in technical discipline or Equivalent work experience will be considered. Employee Referral Award Eligibility: This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive… 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...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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