• 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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  • Lead Security Assessor

    Foxhole Technology, Inc (Alexandria, VA)
    **Overview** **Job Title: Lead Security Engineer - Reviewer** **Clearance: Top Secret with SCI eligibility** **Location: Alexandria, VA** **Start: Based ... you! **Job Locations** _US-VA-Alexandria_ **Job ID** _2025-2024_ **Category** _CyberSecurity_ **Type** _Regular Full-Time_ **Clearance Required** _Top Secret / SCI more
    Foxhole Technology, Inc (12/19/25)
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  • Requirements Engineer

    SAIC (Bethesda, MD)
    …complex concerns associated with pending and/or in-process requirements. **Qualifications** + Active TS / SCI with Poly required. + Bachelors and nine years or ... developed by the development team. + Coordinating and facilitating exchange meetings or forums to determine the needs of...has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the… more
    SAIC (01/07/26)
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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 (12/24/25)
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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 (01/09/26)
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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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