• Senior Associate, Physical Security

    Capital One (Mclean, VA)
    …audits, and contributing to life safety initiatives. You will ensure our physical security systems are consistently aligned with industry best practices and ... + ** System Configuration & Management** **:​ Maintain and update physical security system configurations using defined procedures to align with enterprise… more
    Capital One (11/04/25)
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  • Senior System Engineer

    KBR (Chantilly, VA)
    Title: Senior System Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...position based upon contract award KBR is seeking a Senior Systems Engineer to join our team… more
    KBR (12/17/25)
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  • Systems Engineer, Senior

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …for system design, configuration, and troubleshooting procedures. * Security Implementation: Ensuring systems are protected from unauthorized access ... ** Systems Engineer, Senior ** **Category:** Software Development/...to meet organizational needs. They analyze user requirements, develop system architectures, and ensure systems are functioning… more
    CGI Technologies and Solutions, Inc. (12/30/25)
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  • Senior Linux Systems Administrator

    Leidos (Arlington, VA)
    …take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator, you'll be instrumental in designing, implementing, and ... like Bash and Python, will be crucial in ensuring system stability, performance optimization, and proactive security ....8140 IAT Level II (Intermediate or Advanced) certificate (CompTIA Security + or Systems Security Certified… more
    Leidos (12/20/25)
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  • Senior Offensive Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Offensive Security Engineer Job Description **Offensive Security Engineer** **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of ... commercial and residential real estate information , analytics, and online marketplaces. Included in the S&P...of total experience in a technical role such as security , networking, systems , or software development +… more
    CoStar Realty Information, Inc. (11/24/25)
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  • Network Engineer Senior ( Security

    General Dynamics Information Technology (Fort Belvoir, VA)
    …4-7, firewall, Site-to-Site VPN, DMVPN, etc) to resolve problems on the customer information system . + Analyze, plan, and implement access control lists (ACL), ... related experience **US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior ( Security ) - TS/SCI required** Transform technology into… more
    General Dynamics Information Technology (12/09/25)
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  • Information System Security

    Linchpin Solutions, Inc. (Quantico, VA)
    Information System Security Manager (ISSM) Quantico, VA (http://maps.google.com/maps?q=Quantico+VA+USA+22134) Job Type Full-time Description If you are ... We are currently hiring for a dynamic and experienced Information System Security Manager (ISSM)....including audits, corrective actions, and continuous improvement initiatives. + Senior Systems Engineer-Coordinates on system more
    Linchpin Solutions, Inc. (11/22/25)
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  • Senior System Engineer

    TekSynap (Fort Belvoir, VA)
    …Certification: + Certified Information Security Manager (CISM) + Certified Information Systems Security Professional (CISSP) + GIAC Security ... Leadership Certification (GSLC) + Certified Chief Information Security Officer (CCISO) + Cisco Certified Network Professional Routing (CCNP) + Cisco Certified… more
    TekSynap (12/11/25)
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  • Senior Systems Administrator

    TekSynap (VA)
    Security Essentials Certification (GSEC) + Certified Network Defender (CND) + Systems Security Certified Practitioner (SSCP) + One of the following Google ... Associate (CCNA) + COMPTIA Cybersecurity Analyst (CySA+) + Global Information Assurance Certification (GIAC) Global Industriel Cyber Security...in a timely manner. **Overview** We are seeking a Senior Systems Administrator to join our team.… more
    TekSynap (11/15/25)
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  • Senior Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... section grows, so will the tools and the ** Senior Security Engineer** will be the person...Incident Handler (CEIH) or equivalent + 6+ years in Information Security + Scripting/programming skills (Perl, Python,… more
    CoStar Realty Information, Inc. (10/24/25)
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