• Classified Systems Administrator

    The MITRE Corporation (San Diego, CA)
    Systems Administrator to support the deployment, operation, and maintenance of IT systems in Classified lab environment. This is a role best suited for ... someone who has prior experience working as a classified IT Systems Administrator. This is an...understanding of lab IT architecture + Fundamental understanding of system administration, network, and operating system hardening… more
    The MITRE Corporation (08/30/25)
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  • Sr. Classified Cyber Assurance Analyst

    SpaceX (Hawthorne, CA)
    …+ Responsible for the complete RMF A&A lifecycle process for assigned SpaceX classified information systems + Ensure compliance with existing regulatory, policy, ... and contractual requirements as they pertain to SpaceX classified information systems + Responsible for identification, triage, and implementation of new… more
    SpaceX (07/23/25)
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  • Classified Cybersecurity Analyst 2/3 - Top…

    Northrop Grumman (Edwards AFB, CA)
    …security certification + 4 years of experience with Certification and Accreditation of classified systems and Risk Management Framework + Knowledge of ACAS, ... has fantastic opportunities for your career growth. The Northrop Grumman Classified Solutions team is seeking experienced **Information Systems Security… more
    Northrop Grumman (08/27/25)
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  • Senior Linux System Administrator ( GXP…

    BAE Systems (San Diego, CA)
    Systems Administrator to provide comprehensive technical and operational support for classified IT systems . You will primarily support the GXP Program. BAE ... a part of? Come build your career with BAE Systems . BAE Systems is seeking a Senior...Security Clearance. 4 years of experience working in a classified environment Experience with system accreditation (eg,… more
    BAE Systems (07/31/25)
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  • Systems Operations (SysOps) Engineer

    Parsons Corporation (Vandenberg AFB, CA)
    …successful design, installation, configuration, testing, security, and maintenance of all classified and unclassified networks and will ensure system management ... planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations. Our team is looking for a **… more
    Parsons Corporation (09/02/25)
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  • Information System Security Officer - Level…

    Lockheed Martin (Palmdale, CA)
    …etc\. * Experience as an ISSO implementing or managing cyber security requirements on classified systems under JSIG, NISPOM, ICD 503, and/or CNSSI 1253\. * ... an Information Systems Security Officer \(ISSO\), you will join our Classified Cyber Security Team, supporting Department of Defense \(DoD\) programs to ensure … more
    Lockheed Martin (08/28/25)
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  • Ground C2 Systems Network Integration…

    Linchpin Solutions, Inc. (Camp Pendleton, CA)
    …picture. This role involves operating and administering C2 applications, integrating systems with aviation C2 networks, performing system administration across ... also includes participation in planning and integration meetings, maintaining system security measures, performing classified equipment accountability, and… more
    Linchpin Solutions, Inc. (07/30/25)
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  • IT Systems Engineer Senior

    SAIC (San Diego, CA)
    …+ Provide Tier I-III support for end-user devices (thin/zero clients, laptops, collaboration systems ) in a classified environment + Configure and maintain C2 ... RMF/ATO process + Experience working with encryption devices, network timing, and classified communications systems + Proven ability to operate independently in… more
    SAIC (08/07/25)
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  • Systems Architect

    General Atomics (Poway, CA)
    …technology system architecture for integration of multiple platforms, operating systems , and applications across the classified enterprise at GA&A. Solutions ... technology system architecture for integration of multiple platforms, operating systems , and applications across the classified enterprise at GA&A. +… more
    General Atomics (08/15/25)
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  • Principal Linux System Administrator

    General Dynamics Information Technology (Livermore, CA)
    …with 600+ Physical and virtual servers covering various levels of very complex classified systems and networks. + Responsible for performing in-depth analysis ... Required:** Yes **Job Description:** $10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems ' workflows and… more
    General Dynamics Information Technology (08/09/25)
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