• Security Admin 1

    M. C. Dean (Vienna, VA)
    …With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT ... systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient,...leaders in electrical, engineering, and cybersecurity industries. Responsibilities The Security Administrator will work with other members of the… more
    M. C. Dean (01/16/26)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …issues impacting the enterprise environment. Responsibilities include: + Manages the ' system of systems ' architecture development, partitioning of functionality ... best practices and cutting technology. + Manages team responsible for systems engineering, security engineering, and workstation and server vulnerability… more
    Saliense Consulting (01/06/26)
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  • Systems Engineer - Research and Development…

    KBR (Chantilly, VA)
    …+ Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space ... Title: Systems Engineer - Research and Development - Senior...- Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
    KBR (10/29/25)
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  • Software Developer 3 - OCI Networking, DDoS…

    Oracle (Richmond, VA)
    …and application-layer threats. + Analyze industry trends in network architecture and security threats to help guide ongoing system enhancements. + Participate ... join our Networking organization, specializing in DDoS and Network Security . In this role, you will help design, build,...with a strong background in developing robust, distributed software systems and a keen interest in cloud networking and… more
    Oracle (12/20/25)
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  • Associate Security Engineer

    Navy Federal Credit Union (Winchester, VA)
    …+ Work with internal security teams and vendors to implement security controls + Assist in managing reported system application vulnerabilities through ... experience + College/university degree or 1-2 years of experience in cyber security + Familiarity with system administration, database administration, network… more
    Navy Federal Credit Union (01/17/26)
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  • Senior Specialist, Systems Integration…

    L3Harris (Ashburn, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior Specialist, Systems Integration & Test Engineer (UAV ... in developing disruptive, next-generation technologies for advanced Unmanned Air Systems (UAS / UAV), advanced radar systems ,...years of prior related experience. + Active DoD Secret security clearance + System level design experience… more
    L3Harris (11/25/25)
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  • Cyber Security Engineer (Elastic SME)

    CACI International (Hampton, VA)
    Cyber Security Engineer (Elastic SME) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: ... of our Elasticsearch cluster, ensuring the health, status, and security monitoring of our systems . If you...and availability of the Air Force Distributed Common Ground System (AF DCGS). + Create custom Kibana dashboards and… more
    CACI International (12/24/25)
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  • Sr. UNIX Systems Engineer

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …f) Three or more years' experience in patch management with understanding how to apply security updates to systems via YUM and RPM. g) Three or more years' ... **Sr. UNIX Systems Engineer** **Category:** Infrastructure/Cloud **Main location:** United States,...**Position Description:** CGI Federal is looking for a UNIX system engineer to help support a program we are… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Lead Systems Engineer - (Hybrid)

    CareFirst (Reston, VA)
    …analyzing user and potential user input; evaluating similar and related products and systems . Develop system automation and system integration of business ... **SUPERVISORY RESPONSIBILITY:** Leads a team utilizing a matrix management system . **QUALIFICATIONS:** **Education Level:** Bachelor's Degree in Information … more
    CareFirst (12/05/25)
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  • Nucleus Security Engineer

    Leidos (Arlington, VA)
    …are among the expected duties and mission of the task order + Define system security & design requirements to meet FISMA and FedRAMP compliance standards ... Wiz is a plus** ). + Cybersecurity Knowledge: Understanding of network security protocols, system administration (Linux/Windows), cloud environments, and … more
    Leidos (11/25/25)
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