• Price to Win Analyst

    KBR (Chantilly, VA)
    …KBR's NSS business unit's common competitors + Active security clearance, preferably a TS / SCI clearance Scheduled Weekly Hours: 40 hours per week. Basic ... Development and Pricing organizations to develop proposal strategies based on objective information and analysis. The Price to Win Analyst for the National Security… more
    KBR (09/25/25)
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  • Information System Security Officer

    ManTech (Columbia, MD)
    …(SNOW) platform **Clearance Requirements:** + Must possess and maintain a current/active TS / SCI clearance with Polygraph **Physical Requirements:** + Must be ... **MANTECH** seeks a motivated, career driven, and customer-focused ** Information System Security Officer (ISSO)** to join our team in **Columbia, MD** . You will… more
    ManTech (12/17/25)
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  • Reverse Engineer w/Poly

    BigBear.ai (Columbia, MD)
    …you need to have + BS degree with 6 years of experience + Clearance: TS / SCI w/Poly + Experience with developing CNO specific software in Linux/Windows/Embedded ... and Rust. + Experience with Vulnerability Research and Exploit development. + Knowledge of end-to-end SIGINT collection and analysis systems. + Experience with… more
    BigBear.ai (12/12/25)
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  • Senior Test Engineer

    Leidos (Columbia, MD)
    …and complexity is required. + **Clearance Required: Must have an active TS / SCI with Polygraph.** **​** **Preferred Qualifications:** + Experience with Atlassian ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (12/11/25)
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  • Cyber (CNO) Software Developer

    Percival Engineering (Columbia, MD)
    …Levels, Full Time + Non-Remote - Columbia, MD Clearance & Citizenship Requirements: + TS / SCI with polygraph is required + Due to these clearance requirements, US ... Based in Columbia, Maryland, our squad is on a big mission: developing top -notch talent and technical solutions to safeguard our nation's most critical assets. From… more
    Percival Engineering (11/06/25)
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  • Senior Systems Engineer

    Belay Technologies (Columbia, MD)
    …questions into database design solutions. Candidates should have the following qualifications: + TS / SCI Clearance with polygraph + 12 yrs, BS or 4 additional ... analyzing cyber security-related data sets (network traffic, OS events). + Knowledge of end-to-end SIGINT collection and analysis systems. + Experience with… more
    Belay Technologies (11/04/25)
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  • Network Engineer

    Leidos (Columbia, MD)
    …specify system/component performance and interface requirements **Minimum Requirements include:** + Current/Active TS / SCI with Poly + Eight (8) years of relevant ... team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence… more
    Leidos (10/12/25)
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  • CNO Reverse Engineer

    ManTech (Hanover, MD)
    …troubleshooting and debugging **Security Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph security clearance and be willing and able to ... drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO). You'll be part of a dynamic team working on next-generation… more
    ManTech (11/26/25)
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  • ISSE

    Lentech, Inc (Hanover, MD)
    …join a team of highly skilled INFOSEC engineers and technologists. Clearance: Current TS / SCI Poly JOB FUNCTIONS AND RESPONSIBILITIES: This position shall perform ... and/or integration of secure networking, computing, and enclave environments. Apply knowledge of Cybersecurity policy, procedures, and workforce structure to design,… more
    Lentech, Inc (11/12/25)
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  • Information System Security Officer (ISSO)

    Amentum (Elkridge, MD)
    …policies and threat intelligence relevant to classified systems. **Clearance Required:** * TS / SCI with POLY **Minimum Education:** * Bachelor's degree in ... If so, look no further. Amentum is seeking a ** Information System Security Officer (ISSO)** to join our team...response, reduced risk exposure, and the sustained protection of sensitive data and digital assets vital to national defense… more
    Amentum (12/02/25)
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