• Sr. Penetration Tester

    CACI International (Chantilly, VA)
    …+ System level and security administration knowledge of computer operating systems . Operating system experience shall be with the identified release or ... to engage with your co-workers and expand your career network . We are a fun, engaging environment with a...creative ways to break into a range of customer systems and illustrate to stakeholders what could happen if… more
    CACI International (06/21/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    …. In this role you will research, design, develop, and test operating systems -level software, compilers, and network distribution software. You will set ... and formulates and analyzes software requirements and may design embedded systems software. **Responsibilities include, but are not limited to:** + Leads… more
    ManTech (05/20/25)
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  • Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    …following network protection devices: Firewalls, intrusion detection and prevention systems (IDS/IPS), log analysis, malware analysis, network traffic flow ... Active Secret. Must be able to obtain TS/SCI and DHS suitability prior to starting employment. Description: The successful Cyber Security Engineer applies current… more
    Shuvel Digital (06/26/25)
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  • Service Center Frontline Account Manager

    CACI International (Chantilly, VA)
    …troubleshoot, and resolve issues involving end-user systems , servers, storage, network connectivity, and security controls. * Conduct system administration ... commitment to customer satisfaction and operational excellence. You will support system and network stability, monitor enterprise IT infrastructure, restart… more
    CACI International (07/18/25)
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  • Mission IT Operator

    CACI International (Springfield, VA)
    …with IT infrastructure including user systems , servers, storage, and network connectivity. Provides system administration for assigned infrastructure and ... to Do:** Responsible for resolving IT hardware and software infrastructure (servers, network , security, etc.) issues using systems Analysis techniques and… more
    CACI International (07/14/25)
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  • Building Automation Technician

    Amentum (Williamsburg, VA)
    …procedures. + Requires knowledge gained through prior experience with control systems . + Skills in analyzing system malfunctions and determining appropriate ... wiring, control wiring, general input and output wiring, and network /communications wiring. + Requires skill in the use of...fans, and related systems . + Program control systems using appropriate system program language for… more
    Amentum (05/21/25)
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  • Field Engineer

    ManTech (Reston, VA)
    …and configure new systems as well as upgrade, maintain, and recap existing systems , including all system and network infrastructure and peripherals and ... systems , train technical support personnel to perform maintenance on those systems , and remotely support system troubleshooting and maintenance when not… more
    ManTech (06/11/25)
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  • Senior Telecommunications Engineer

    ManTech (Herndon, VA)
    …role you will design or configure voice, video, and data communications systems . You will also be responsible for supervising installation and post-installation ... to:** + Support the enterprise architecture, design, development, and deployment of network services in support of government customer; perform and oversee site… more
    ManTech (05/22/25)
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  • Sr. Active Directory/Exchange Specialist

    Leidos (Quantico, VA)
    …security, etc.; assists in the design, testing, and implementation of computer and network system software projects to meet client and individual user ... availability and service dependability. Additional requirements include responsibility for systems test, configuration, analysis, diagnosis and troubleshooting, system more
    Leidos (05/22/25)
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  • IT Cybersecurity Specialist (Infosec), GS-2210-12…

    US Coast Guard (Portsmouth, VA)
    …(RMF); and Evaluating and assessing vulnerabilities of classified and/or unclassified network , application, and operational technology hardware, operating system ... for ensuring the confidentiality, integrity and availability of information systems , networks and data by serving in an Information..., networks and data by serving in an Information System Security Officer (ISSO) capacity. Being a Coast Guard… more
    US Coast Guard (07/17/25)
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