• Senior Systems Administrator (Unix/ Linux)

    First Division Consulting (Dahlgren, VA)
    …will have expertise in Unix/Linux system administration, backup and recovery, network security protocols, and troubleshooting techniques. This role involves ... environments. + Oversee security management, including firewall configurations, network security tools, and vulnerability mitigation. + Conduct… more
    First Division Consulting (06/19/25)
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  • Industry Specialist, PKI/Crypto, Kuiper…

    Amazon (Arlington, VA)
    …drives the research & development, deployment and operation of several mission-critical security systems and mechanisms. You will work in a start-up like ... peer teams and customers to design and support compliance/implementation of data center/physical security solutions for the Kuiper PKI systems that meet the… more
    Amazon (06/14/25)
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  • Microsoft 365 Security Manager

    Deloitte (Rosslyn, VA)
    …Data Loss Prevention (DLP). + Provide technical support for M365 E5 security services and resolve service-related issues through research and troubleshooting ... secure success. Work you'll do As a Microsoft 365 Security Manager, you will be at the front lines...+ Troubleshoot system level problems in a multi-vendor, multi-protocol network environment. + Document platform technical issues, analysis, client… more
    Deloitte (06/14/25)
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  • Security Engineer I, Security

    Amazon (Arlington, VA)
    …and deep technical knowledge, specifically in the fields of forensics, malware analysis, network security , application security , threat hunting, and threat ... analysis tools to respond to potential threats to Amazon systems . SIRT Security Engineers are unique individuals...quickly address risk. - Evaluating the impact of current security trends, advisories, publications, and academic research more
    Amazon (06/11/25)
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  • Information System Security Engineer

    CACI International (Sterling, VA)
    systems - Update security relevant configurations - Work on systems that support our Nation's warfighters - Research and evaluate technologies and ... unparalleled opportunity to grow and advance. As our Information Systems Security Engineer, you will have the...with Linux (Red Hat) + - Demonstrated experience with security Network devices (Firewalls and Switcheds) +… more
    CACI International (07/22/25)
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  • Design Estimator - Security Solutions

    Allied Universal (Reston, VA)
    …drawings, and technical/functional design specifications to prepare compliant solutions + Research emerging technologies in support of security integration ... Allied Universal(R) Technology Services, a global leader in transforming the security industry. We integrate advanced technology - video surveillance, electronic… more
    Allied Universal (07/23/25)
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  • Principal Systems Engineer

    SAIC (Chantilly, VA)
    …Group, USG Mission and Information Technology Division, is seeking a **Principal Systems Engineer** to provide technical expertise and guidance to drive the future ... designing, and developing infrastructure and infrastructure components that meet security needs. It also includes developing updated guidance for online… more
    SAIC (08/07/25)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …as a system and network administrator for multiple program and internal R&D systems that support the research and development activities carried out by ACL's ... engineers and scientists\. These systems collectively comprise 75\+ servers and associated ...activities\. \* Identifying and implementing industry best practices for systems administration\. \* Developing solutions to system security more
    Lockheed Martin (07/12/25)
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  • DoD SkillBridge Fellowship - Security

    Navy Federal Credit Union (Vienna, VA)
    …federal and state laws, rules, and regulations * Desired: Familiarity with physical security functions, systems , processes, and procedures * Desired - Exposure ... applying knowledge and education. Participate in a collaborative, team driven network , and interact with multiple departments. Utilize and further develop technical… more
    Navy Federal Credit Union (07/22/25)
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  • Systems Administrator - Staff

    Amentum (Warrenton, VA)
    …service requests and oversee the lifecycle tracking, documentation, and reporting of network systems and hardware assets. Ensure compliance with disposal ... patches + Implement robust backup strategies and disaster recover solutions + Ensure systems comply with organizational policies and security standards + Manage… more
    Amentum (08/08/25)
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