• ISSO/ Systems Security Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …strong background in computer networking concepts and protocols, as well as network security methodologies. The ISSO/ Systems Security Engineer will be ... responsible for identifying and mitigating vulnerabilities in security systems , conducting vulnerability scans, and applying system, network , and operating… more
    UIC Government Services and the Bowhead Family of Companies (08/29/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    …Skills desired:** + Familiarity with common industry software tools, concepts, and systems administration + Familiarity with Data management, Data integration, ... opportunity allows you to apply your expertise in system administration and software programming while supporting a small team...team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within… more
    Leidos (07/29/25)
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  • Senior Network and Next Generation Firewall…

    Lumen (Richmond, VA)
    …role working towards the development of new solutions, processes, tools, systems that have company-wide and possibly industry-wide impacts. + Frequent contact ... via SIEM or vendor application is desired. + Linux RedHat Server Administration is considered a plus. + Recognized industry Certifications: CCNA. CCNP, CISSP,… more
    Lumen (10/01/25)
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  • IT Specialist

    BOOZ, ALLEN & HAMILTON, INC. (Mclean, VA)
    …results + TS/SCI clearance + Bachelor's degree in System Administration , Network Administration , Computer Information Systems , or Computer Science and ... operating system software, troubleshooting, maintaining integrity of and configuring network components, and implementing operating systems enhancements to… more
    BOOZ, ALLEN & HAMILTON, INC. (09/01/25)
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  • Systems Administrator

    Guidehouse (Springfield, VA)
    …Communications systems . + Microsoft Windows workstation troubleshooting and administration . Troubleshoot network issues (frequency: daily as needed). + ... You Will Do** **:** The System Administrator will provide technical support, systems administration , application administration , and system security to… more
    Guidehouse (08/08/25)
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  • Linux Systems Administrator (Unix)

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    … and file system attributes, such as permissions, encryption, access control lists, and network file systems + Deploy, configure, and maintain systems , ... issues is essential. + Must have knowledge in the installation, maintenance, and administration of computer systems in a LAN/WAN environment. + Requires a… more
    UIC Government Services and the Bowhead Family of Companies (09/28/25)
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  • WGL - Senior OT Systems Engineer

    AltaGas (Springfield, VA)
    …controlling access to network devices and other OT applications and systems . * Performs administration , configuration, installation, and deployment of ... Model for ICS networks to architect, deploy and maintain securely segmented network infrastructure for communications between Critical Cyber Systems . *… more
    AltaGas (08/07/25)
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  • Unix Systems Administrator

    Navy Exchange Services (NEX) (Virginia Beach, VA)
    …Minimum 3 years of progressive experience in the following: >Unix Systems Administration (configuration, monitoring, tuning, backup/recovery, etc.) >O/S upgrade ... Security , GIAC Security Essentials Certification (GSEC), Security Certified Network Professional (SCNP), Systems Security Certified Practitioner (SSCP);… more
    Navy Exchange Services (NEX) (09/23/25)
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  • NMCC Information Systems Security Engineer

    TekSynap (Arlington, VA)
    … systems . + Develop and implement security designs for new and existing network systems , ensuring hardware, operating systems , and software applications ... practices. + Demonstrated capability to identify security risks throughout information system network structures to include the Operating Systems , hardware, and… more
    TekSynap (09/16/25)
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  • Systems Administrator (Multi-Cloud…

    Clark Construction Group, LLC (Mclean, VA)
    …related field (or equivalent experience). + Minimum of 5+ years of experience in systems administration . + Expertise in Active Directory Domain Services (AD DS). ... We are seeking a highly skilled and experienced Systems Administrator to join our dynamic team. The...AD security hardening. + Troubleshoot AD issues. + **AWS Administration :** + Design, implement, and manage AWS environments using… more
    Clark Construction Group, LLC (09/10/25)
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