• Information System Security

    Amentum (Warrenton, VA)
    …network/operational systems at multiple classifications levels. **Requirements:** * Must have active Top - Secret clearance with SCI or TS with the ability ... so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE)...environment. **Clearance Required:** * Must have active Top - Secret clearance with SCI or TS more
    Amentum (12/05/25)
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  • Cyber Security Engineer - Hybrid…

    General Dynamics Information Technology (Arlington, VA)
    …RQ210368 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** ... substituted in leu of degree.** **Experience:** **5+ years of related experience.** ** Security clearance level:** **Active Top Secret required.**… more
    General Dynamics Information Technology (11/18/25)
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  • Information System Security

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer (ISSE) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman ... information (https://mystaffingpro.com/sites/mystaffingpro.com/files/2018-05/tech\_faq\_sa.pdf) Position 1. Open Position - TS / SCI EOE Statement Assertive Professionals, LLC, is… more
    Assertive Professionals (10/09/25)
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  • Information Systems Security

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an experienced Information Systems Security Engineer (ISSE) for a position located in Chantilly, VA. The successful candidate ... all System Program Office sponsored systems. + Provide the Information System Security Engineer (ISSE)...guidance as needed. **Qualifications** **Clearance required to start:** + Top Secret / SCI with Polygraph. **TYPICAL… more
    SAIC (11/06/25)
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  • Security Engineer /Architect…

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …well with others to complete work. + Other duties as assigned. Minimum Qualifications + Security Clearance - A current TS / SCI level US Government clearance ... Enlighten, honored as a Top Workplace from USA Today, is a leader...interview process. Job Description Enlighten is looking for a Security Engineer /Architect. Candidate will be required to… more
    Huntington Ingalls Industries (12/12/25)
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  • Cyber Security Engineer Lead

    ManTech (Springfield, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Cyber Security Engineer Lead** to join our team in **Springfield, VA.** The Cyber Security ... Control (firewall), End Point Protection, Internet Protection, Vulnerability Scanning, and Security Information and Event Management (SIEM) tools. + Mitigation… more
    ManTech (12/11/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …leaders in electrical, engineering, and cybersecurity industries. We are seeking a **Physical Security Engineer 4** to join our ** Security and Electronic ... to a government contract, this specific position requires US Citizenship, **ACTIVE TS / SCI w/ Polygraph clearance is REQUIRED** **Education:** + Bachelor's degree… more
    M. C. Dean (10/23/25)
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  • Information Systems Security

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Information Systems Security Engineer (ISSE) - Senior** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ... a highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer (ISSE)... Security Clearance: Candidates must possess an active TS / SCI clearance with polygraph * Technical Expertise:… more
    CGI Technologies and Solutions, Inc. (09/26/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... **The Opportunity:** **CACI is seeking a talented Cyber Network Security Engineer to join our team in...design, implementation, procurement and maintenance of network infrastructure** **Active TS / SCI with required polygraph** - ** **… more
    CACI International (12/02/25)
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  • Cyber Security Engineer (Elastic…

    CACI International (Hampton, VA)
    Cyber Security Engineer (Elastic SME) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee ... **The Opportunity:** Join our dynamic team as a Cyber Security Engineer at the DCGS Management Center...Linux operating systems in enterprise environments. **Qualifications:** _Required:_ + Top Secret / SCI clearance + Bachelor's… more
    CACI International (10/28/25)
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