• Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator** to join our team in **Chantilly, VA.** **Responsibilities include but ... + Providing end-user support to personnel utilizing ITD IT systems . + Triaging help desk tickets for a broad...Information Technology. + Current DoD 8570 IAT II certification ( Security +, SSCP, or equivalent) or ability to obtain one… more
    ManTech (12/03/25)
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  • Systems Engineer - Information Support Plan…

    CACI International (Alexandria, VA)
    Systems Engineer - Information Support Plan (ISP) Job Category: Consulting Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... CACI International Inc. has an immediate opening for a Systems Engineer with Information Support Plan (ISP) Support +...to the DoD CIO in support of Defense Acquisition System decision points, ensuring alignment with DoDI 5000.02 (Operation… more
    CACI International (10/31/25)
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  • Critical Infrastructure/ Security Analyst…

    ICF (Fredericksburg, VA)
    Description The Security and Resilience practice at ICF is actively recruiting for experienced Critical Infrastructure/ Security Analyst - Mission Assurance to ... of Defense's mission assurance, defense critical infrastructure, and related security and resilience programs. **Responsibilities:** Critical Infrastructure/ Security more
    ICF (11/21/25)
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  • Senior Microsoft Security Engineer

    Insight Global (Virginia Beach, VA)
    Job Description Insight Global is looking for a Senior Microsoft Security Engineer with deep knowledge and expertise in Microsoft technologies, policies, and ... licensing, to lead the design, implementation, and management of enterprise-grade security solutions. This role is critical to ensuring the confidentiality,… more
    Insight Global (01/09/26)
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  • Program Security Officer 3

    ManTech (Chantilly, VA)
    …and Offices in physical, personnel operational, technical, information, industrial and information system security + Provide assistance and guidance to defense ... **MANTECH** is seeking a motivated, career and customer-oriented **Program Security Officer 3 (PSO 3)** to join our team...join our team at our **Chantilly, VA.** The Program Security Officer will assist the Senior Program Security more
    ManTech (01/09/26)
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  • Security Manager CPSO

    Noblis (Chantilly, VA)
    … findings, risks, analysis, and conclusion. + Collaborates with the IT security staff eg ISSOs, ISSMs, System Administrators toensure overall compliance ... Responsibilities Noblis ESI is seeking a highly motivated **Sr. Security Manager** for their Chantilly, VA location. The objective...their Chantilly, VA location. The objective of the ESI Security function is to execute and continuously improve a… more
    Noblis (12/20/25)
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  • Network Engineer Senior ( Security )…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …experience **US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior ( Security ) - TS/SCI required** Transform technology into opportunity as a ... **Network Engineer Senior ( Security )** at GDIT. Shape what's next for mission-critical government...DMVPN, etc) to resolve problems on the customer information system . + Analyze, plan, and implement access control lists… more
    General Dynamics Information Technology (12/09/25)
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  • Personnel Security - Security

    Advantage SCI (Fort Belvoir, VA)
    Job Descriptions: Job Title: Security Generalist III (Personnel Security Focus) Reports To: Program Manager and Customer Work Location: Ft Belvoir, VA Clearance: ... Active Top Secret/SCI Advantage SCI, LLC is accepting applications for Security Generalist III (Personnel Security Focus) to support a government agency with… more
    Advantage SCI (11/09/25)
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  • Access Control/ Security Specialist

    Koniag Government Services (Quantico, VA)
    …and self-motivated individuals to perform the duties of an Access Control/ Security Specialist with intimate knowledge of visitor procedures. The Specialist will ... will be available as needed** Part Time Access Control Security Specialists (AC/SS) must be flexible and willing to...IDs in accordance with policy and utilize the badge system as directed. + Personnel shall be responsible for… more
    Koniag Government Services (10/17/25)
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  • Sr. Principal Software Engineer

    BAE Systems (Mclean, VA)
    …or structured logging frameworks + Experience with hash chain or tamper-evident audit systems + Understanding of DoD security requirements (STIGs, FIPS 140-2) ... **Job Description** BAE Systems is seeking an experienced developer to contribute...machine for form approval lifecycle + Build deliverable automation system (PDF packaging, CI number assignment) + Implement complex… more
    BAE Systems (12/19/25)
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