• Senior Information Systems Security Officer 15k…

    Leidos (Annapolis Junction, MD)
    …Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we ... or IAT Level III** (CASP, CISSP, or Associate). + ** Clearance Requirement:** **Must hold an active TS/SCI with Polygraph.**...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (12/02/25)
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  • Operational Language Analyst - Russian, Level 2

    Acclaim Technical Services (Annapolis Junction, MD)
    Acclaim Technical Services, founded in 2000, is a leading language and intelligence services company supporting a wide range of US Federal agencies. We are an ... EDUCATION & EXPERIENCE + Must possess an active TS/SCI clearance with CI polygraph + Associate of Arts (AA)/Associate...applied, practical work experience may be substituted. + For no more than one (1) year of the required… more
    Acclaim Technical Services (12/02/25)
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  • Cyber Security Engineer (SME)

    Leidos (Bethesda, MD)
    …Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we ... considered must have an active TS/SCI with polygraph security clearance ** **Preferred Qualifications** + Experience with additional security tools...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (11/28/25)
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  • Offensive Cyberspace Operational Planner, Junior

    Leidos (Odenton, MD)
    …**What does Leidos need from me?** + Active Top Secret/SCI (TS/SCI) security clearance with Polygraph is required for consideration. + BA/BS degree within Computer ... operations across multiple warfighting domains. + Demonstrated experience incorporating Artificial Intelligence and Machine Learning into operations at any level to… more
    Leidos (11/28/25)
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  • Principal Endpoint Security Systems Engineer

    Leidos (Bethesda, MD)
    …Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we ... considered must have an active TS/SCI with polygraph security clearance ** **Preferred Qualifications** + Experience with Cisco Secure Endpoint...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (11/28/25)
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  • Full Stack Software Engineer - Java TS/SCI…

    Leidos (Annapolis Junction, MD)
    …Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we ... - BS and 20 or more years of experience ** Clearance Required: Must have an active TS/SCI with Polygraph.**...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (11/22/25)
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  • COMSEC/Network Engineer

    Leidos (Laurel, MD)
    …Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we ... may be substituted for a bachelor's degree. + **Security Clearance ** : Active TS/SCI with Polygraph required to be...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (11/22/25)
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  • Master Project Scheduler

    Amentum (Fort Meade, MD)
    …your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a **Master Project Scheduler** to join our team of ... projects that make a direct impact on the Nation's security and intelligence mission. This position supports an innovative project within the Department of… more
    Amentum (11/21/25)
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  • Software Engineer

    Assertive Professionals (Hanover, MD)
    …Our Mission:Providing cleared professionals who assist the Department of Defense, Intelligence Community, and Department of Homeland Security in accomplishing their ... Req Number AP--24-00025 Location Hanover, Maryland Full-Time/Part-Time Full-Time Minimum Clearance TS/SCI with a Polygraph Timeline Pipeline Description Assertive… more
    Assertive Professionals (11/21/25)
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  • Principal Cyber Threat Hunter

    Leidos (Adelphi, MD)
    …to detect, analyze, and mitigate cyber threats, integrating threat intelligence into sensing infrastructure. + Identify threat actor tactics, techniques ... GCIH, etc.). + Must possess an active TS/SCI security clearance . + 5+ years of analysis, threat hunting and/or...least 3 days with an anticipated close date of no earlier than 3 days after the original posting… more
    Leidos (11/21/25)
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