• Senior Data Engineer

    ManTech (Chantilly, VA)
    …security integration and testing. **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to ... customers, which may involve delivering presentations. + Must be able to exchange accurate information in these situations. MANTECH International Corporation… more
    ManTech (09/23/25)
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  • Systems Engineer 5

    Synergy ECP (Columbia, MD)
    …age, disability, veteran status, or any other protected class. Clearance Required: TS / SCI w/ FS Polygraph Other Requirements: US Citizenship Description: Assists ... Systems Engineer 5 Columbia, MD Description Founded in 2007...be the source for mission physical models and associated exchange formats. Analyzing customer requirements in order to produce… more
    Synergy ECP (10/15/25)
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  • Software Engineer

    ManTech (Columbia, MD)
    …+ Python and Bash scripting **Clearance Requirements:** + Must have a current/active TS / SCI with Polygraph **Physical Requirements:** + Must be able to remain ... management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations MANTECH International… more
    ManTech (10/08/25)
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  • Systems Integration Specialist

    CACI International (Reston, VA)
    Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... and excellence. The role is considered a hybrid position requiring a TS / SCI Clearance with polygraph. **Responsibilities:** + Design, develop, and implement… more
    CACI International (11/01/25)
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  • Network Management Systems (NMS) Application…

    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: ... : We are seeking an experienced Network Management Systems Engineer specializing in Application Integration to join our team....experience + 10+ years of related work experience + TS / SCI with Poly required + Strong knowledge… more
    CACI International (10/23/25)
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  • Staff Solution Consultant

    Trellix (Washington, DC)
    …threat identification, management, mitigation, and response strategies. + You hold an active TS / SCI clearance with Full Scope polygraph + You hold an active ... comprised of Trellix and third-party technologies. The Endpoint Security Engineer (ESE) will report to the Senior Manager of...briefings. + You will lead and/or participate in technical exchange meetings. + You will collaborate with end users… more
    Trellix (11/14/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …(eg, Ubuntu, CentOS, RHEL). **Clearance Requirements:** + Must have a current/active TS / SCI with Polygraph **Physical Requirements:** + The candidate must be ... years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of similar scope and...which may involve delivering presentations. Must be able to exchange accurate information in these situations. MANTECH… more
    ManTech (09/10/25)
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  • Information Technology /Assurance…

    Chenega Corporation (Arlington, VA)
    …Program Information + Active and valid driver's license + Active TS / SCI clearance, willingness to submit to a counterintelligence polygraph **Knowledge, ... **Req ID:** 37967 **Summary** ** Information Technology/Assurance Specialist SME** **Arlington, VA** Are you...as the principal cybersecurity advisor to the ETO Chief Engineer (CE). + Identify security risks and develop and… more
    Chenega Corporation (10/07/25)
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  • Information System Security Manager 3

    ARSIEM (Annapolis Junction, MD)
    …IT systems and related security. Clearance Requirement : This position requires an active TS / SCI with a polygraph. You must be a US Citizen for consideration. ... on every client you work with. ARSIEM seeks an Information System Security Manager 3 . This position will...Facilitate issue resolution through integrated product teams and Technical Exchange Meetings (TEM) + Provide support for a program,… more
    ARSIEM (10/14/25)
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  • Threat Research Analyst - Black Lotus Labs

    Lumen (Annapolis, MD)
    …customer site as needed in Annapolis Junction, Maryland. This position requires an active TS / SCI security clearance w/ CI Poly. **Location** This is a remote ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...Labs has an opening for a Senior Lead Security Engineer that will leverage Lumen's unique visibility to hunt… more
    Lumen (11/14/25)
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