• Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …**Skills:** Computer Servers,Disaster Recovery (DR),Linux,Software Updates,Technical Support **Certifications:** Security +, CE - CompTIA - Security + CE ... incremental and full cold backups/patching. + Responsible for DoD Linux Security Technical Implementation Guides (STIGs). + Provide performance metrics and usage… more
    General Dynamics Information Technology (08/12/25)
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  • Senior Fire Protection Engineer

    Jensen Hughes Inc. (Virginia Beach, VA)
    Senior Fire Protection Engineer Allen, Texas, United States; Atlanta, Georgia, United States; Austin, Texas, United States; Baltimore, Maryland, United States; ... OK; Virginia Beach, Virginia, United States **Company Overview** Throughout our worldwide network of experts, clients and communities, we are renowned for our… more
    Jensen Hughes Inc. (05/20/25)
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  • DAI Systems Administrator - Senior

    CGI Technologies and Solutions, Inc. (Fort Belvoir, VA)
    **DAI Systems Administrator - Senior ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Fort Belvoir **Position ID:** J0525-1438 ... Type:** Full Time **Position Description:** We are seeking an IT Systems and Network Administrator to ensure the stable operation of our in-house computer software… more
    CGI Technologies and Solutions, Inc. (05/22/25)
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  • Senior Cyber Blue Team Analyst

    Applied Research Associates, Inc. (Fort Belvoir, VA)
    network certification and accreditation processes to include system security authorization agreements + Experience conducting Information Operations Computer ... and cyber space operations (eg, computer networks, IA tools use, operations security ). Cyber assessment teams may be deployed to high-threat but permissive… more
    Applied Research Associates, Inc. (05/19/25)
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  • Senior Specialist, Systems Engineer - Cyber…

    L3Harris (Springfield, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Systems Engineer - Cyber Planning (Active TS/SCI ... Onsite) Job Description: L3Harris Technologies currently has an opening for a Senior Specialist, Systems Engineer - Cyber Planner supporting a critical national … more
    L3Harris (07/02/25)
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  • WGL - Senior OT Systems Engineer

    AltaGas (Springfield, VA)
    …team who performs the engineering, configuration and deployment of the network and virtual server infrastructure that supports the organization's OT environment. ... Responsible for the security , reliability, and performance of the OT environment to...position will utilize multidiscipline knowledge of and experience in network infrastructure (enterprise grade and industrial grade firewalls, switches,… more
    AltaGas (08/07/25)
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  • IT Support Specialist - Senior

    KBR (Chantilly, VA)
    …- Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our ... customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role -… more
    KBR (07/16/25)
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  • Senior Hardware Engineer

    ManTech (Herndon, VA)
    …to support customer business/mission goals and objectives, while complying with the network architecture, cyber security , and design standards + Oversee ... **ManTech** seeks a motivated, career and customer-oriented ** Senior Hardware Engineer** to join our team in...8570 Compliant certifications + Experience and understanding of primary network topologies, LANs, WANs and other common network more
    ManTech (05/20/25)
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  • Senior Quality Assurance Engineer

    ManTech (Herndon, VA)
    …meets requirements and operates effectively and efficiently in the Department of Homeland Security (DHS) enterprise network and on DHS devices. + Collaborates ... **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Quality Assurance Engineer and Tester** to...usability of the software and that it meets cyber security requirements + Coordinates and collaborates with technical teams… more
    ManTech (05/30/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    …performs application software development that will operate in the Department of Homeland Security (DHS) enterprise network and on DHS devices. + Collaborates ... **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Developer** to join our team in...develop updates to existing applications, and build in cyber security to reduce the attack surface + Coordinates and… more
    ManTech (05/23/25)
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