• Senior Cybersecurity Engineer

    ManTech (Herndon, VA)
    …facilitate resolution. **Minimum Requirements:** + Bachelor's Degree in Computer Science, Cybersecurity, Information Security , or a related field + 10+ years of ... Proofpoint), and responding to and coordinating responses to email security and availability events. You will monitor ...clearance with the ability to obtain and maintain a TS / SCI . + The ability to obtain and… more
    ManTech (08/19/25)
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  • Exchange Systems Administrator SME

    Leidos (Alexandria, VA)
    …+ Experience with server patch management methodologies utilizing SCCM **Clearance** + An active TS / SCI with polygraph is required for this position or TS / ... end-user(s) as the group mailbox owner. + Managing and operating email routing/ security devices and services. + Perform day-to-day management and administration for… more
    Leidos (07/23/25)
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  • Technical Counterintelligence Advisor, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Springfield, VA)
    … investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz Allen, ... agency. Use your deep understanding of counterintelligence and technical security and signals countermeasures ( TSSC ) , and...and threats posted to the US Government + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (09/23/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    …Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... critical IT systems, supporting end users, and ensuring the security and performance of our infrastructure. This position is...bases. **Qualifications:** _Required_ : * Must have an active TS / SCI with Poly * Must have at… more
    CACI International (09/20/25)
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  • Mission IT Operator

    CACI International (Springfield, VA)
    …Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... for resolving IT hardware and software infrastructure (servers, network, security , etc.) issues using systems - Analysis techniques and...into all actions and responses. Required Qualifications: - Active TS / SCI with Poly required. - Must have… more
    CACI International (07/31/25)
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  • Customer Support Analyst

    E-volve Technology Systems, Inc. (Reston, VA)
    …communication and problem resolution Education and Qualifications: + US citizenship + Current TS / SCI security clearance + Current CI Polygraph or eligibility ... Customer Support Analyst Reston, VA 20190 Security Clearance Requirement: TS / SCI ...to identify, analyze, and resolve complex issues efficiently + Monitor and maintain system performance, identifying areas for improvement… more
    E-volve Technology Systems, Inc. (07/24/25)
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  • Senior Cryptologic Software Engineer (Haipe)

    CACI International (Laurel, MD)
    …Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... and KG's + Provide Application support for remote sites **Qualifications:** **Required:** + TS / SCI with Polygraph + _All experience and education must be in… more
    CACI International (09/26/25)
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  • Network Management Systems (NMS) Linux Engineer

    CACI International (Sterling, VA)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... field or equivalent work experience + 10+ years of related work experience + TS / SCI with Poly required + Experience with system monitoring tools + Strong… more
    CACI International (07/26/25)
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  • Cyberspace Operations Analyst

    Huntington Ingalls Industries (Annapolis Junction, MD)
    …Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: - $0.00 Security Clearance: TS / SCI with Poly Level of Experience: Mid ... and three (3) years of relevant experience. Must possess an active TS / SCI /Polygraph for consideration Preferred Requirements Experience to include but not… more
    Huntington Ingalls Industries (09/27/25)
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  • SIGDEV Analyst

    Huntington Ingalls Industries (Annapolis Junction, MD)
    …- 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $93,306.00 - $135,000.00 Security Clearance: TS / SCI Level of Experience: Mid This ... software and hardware development uniquely enable us to support sensitive missions for the US military and federal agency...familiarity with SIGINT and collateral report repositories. + Clearance: TS / SCI clearance required at time of hire,… more
    Huntington Ingalls Industries (09/23/25)
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