• IDS / IPS Engineer - Active TS/SCI with CI…

    ENS Solutions (Reston, VA)
    … (RHEL) systems , including package management (yum/dnf), kernel module management, SE- Linux configuration, and system optimization via Unix CLI and other ... Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project Management, IT support, Solutions,… more
    ENS Solutions (12/14/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... etc.). + Understanding of network/cyber security , penetration testing, and information security best practices + Understanding of Linux network security more
    CACI International (11/07/25)
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  • Senior Principal Security Engineer

    Oracle (Richmond, VA)
    …and telemetry solutions, network configuration management, linux systems administration + Experience leading security -related technical troubleshooting ... Core Services organization is looking for a Senior Principal Security Engineer that will be the technical...threat modeling and conducting secure design reviews of complex systems . + Prior coding background (eg Java, Go, C/C++,… more
    Oracle (11/25/25)
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  • Senior Systems Engineer

    GovCIO (Arlington, VA)
    **Overview** GovCIO is currently hiring for a Senior Systems Engineer with an active Secret clearance to provide full life cycle system /software engineering. ... of computer systems and servers. + Ensure uptime, performance, resources, and security of the computers, servers, and/or systems meet user requirements and… more
    GovCIO (11/29/25)
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  • Systems Engineer - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Engineer with GDIT. A career in enterprise IT means ... tools and practices. + Demonstrated experience working within cloud computing environments, Linux and Unix-based operating systems , and using ElasticSearch and… more
    General Dynamics Information Technology (12/11/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    Linux Certifications: Linux Professional Institute (LPI), Certified Linux System Administrator (CLSA). + Infrastructure-as-Code Certifications: Terraform ... to include Tier 2/3 escalation. Required Skills: + Operating Systems : Strong understanding of Linux and/or Windows.... + Database Administration: Basic knowledge of database management systems (eg, SQL, NoSQL). + Security : Knowledge… more
    Nightwing (09/26/25)
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  • Senior Associate Systems Operations…

    NTT America, Inc. (Richmond, VA)
    …operate virtualized environments to support virtualized systems (Windows and Linux ) + Perform regular system maintenance, including software updates, ... changes, updates, and enhancements. Assess the impact of changes on system performance, stability, and security . Follow established change management procedures… more
    NTT America, Inc. (11/20/25)
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  • Journeyman Systems Engineer

    GovCIO (Sterling, VA)
    **Overview** GovCIO is currently hiring for a Journeyman Systems Engineer with an active Secret clearance to provide system /software engineering. This ... and servers. + Ensure uptime, performance, resources, and security of the computers, servers, and/or systems ...align with IT policies and best practices. + Maintain security policies. + Automate system and /or… more
    GovCIO (12/03/25)
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  • Cyber Network Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …Analysis,Technical Security **Certifications:** Certified Information Systems Security Professional (CISSP) | International Information System ... Security Certification Consortium (ISC2) - International Information System Security Certification Consortium (ISC2) **Experience:** 10 + years of related… more
    General Dynamics Information Technology (12/04/25)
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  • Enterprise Systems Engineer

    ManTech (Mclean, VA)
    …models and network security + Solid understanding of server operating systems ( Linux , Windows) + In-depth understanding of communication protocols and ... **ManTech** is seeking a motivated, career and customer-oriented **Enterprise Systems Engineer ** to join our team in **McLean** **, VA** . **Responsibilities… more
    ManTech (11/18/25)
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