• Principal Windows Systems Administrator

    RTX Corporation (El Segundo, CA)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** Top Secret - Current At Raytheon, the foundation of everything we do… more
    RTX Corporation (11/18/25)
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  • Linux Systems Administrator , Sr / Secret…

    Lockheed Martin (Sunnyvale, CA)
    …facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations in our Sunnyvale, CA facility\. This ... Bash and PowerShell\) * Experience with vulnerability remediation and security management \(i\.e\., system hardening, log management, configuration management… more
    Lockheed Martin (11/20/25)
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  • System Administrator 3 - Sunnyvale

    M. C. Dean (San Jose, CA)
    …With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT ... and test Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and maintenance of Information… more
    M. C. Dean (11/15/25)
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  • Linux Systems Administrator 1/2

    Northrop Grumman (Redondo Beach, CA)
    …they are making history. Northrop Grumman Enterprise Services is seeking a **Linux Systems Administrator .** This role can be performed by a level 1 or level 2 (entry ... DoD 8570 IAM Level 1 certification (CGRC, GSLC, or Security + CE) within 6 months. + Candidates must have...+ Candidates must have an active DOD Secret level security clearance **Basic Qualifications for a Level 2** :… more
    Northrop Grumman (12/19/25)
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  • Network System Administrator

    ManTech (Los Angeles, CA)
    **MANTECH** seeks a motivated, career and customer-oriented **Network System Administrator ** **III** to join our team in **Los Angeles, CA.** The primary function is ... & SSL. + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required. +...for Information Assurance Technician Level 2 such as CompTIA Security + CE, within 6 months of the date… more
    ManTech (12/17/25)
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  • System Administrator 1

    M. C. Dean (San Jose, CA)
    …With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT ... maintain, and test Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and maintenance of Physical … more
    M. C. Dean (11/15/25)
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  • System Administrator - Active Secret…

    ENS Solutions (San Diego, CA)
    This role is contingent upon Contract Award The System Administrator supports secure and resilient operations of PKI infrastructure and associated systems for an ... operating procedures (SOPs). + Ensure continuous compliance with RMF security controls and support the generation and maintenance of...hold a DoD 8570 IAT Level II certification (eg, Security + CE). + Familiarity with tools such as STIG… more
    ENS Solutions (12/27/25)
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  • SaaS Administrator , Enterprise…

    Evolent (Sacramento, CA)
    …the mission. Stay for the culture. **What You'll Be Doing:** The SaaS Administrator is responsible for managing the full lifecycle of SaaS applications across the ... and costs for IT leadership + Collaborate with digital workplace engineering & security teams to establish and document SaaS configuration, security controls,… more
    Evolent (12/20/25)
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  • Advisory Systems Administrator

    Frontier Technology Inc. (Los Angeles, CA)
    …the opportunity to learn more about you. We are hiring an Advisory System Administrator to support one of our United States Navy customers. This individual will have ... + Apply and maintain STIGs across operating systems to ensure baseline security compliance; manage and verify hardened system backups for rapid recovery. +… more
    Frontier Technology Inc. (12/18/25)
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  • Senior Database Administrator

    Highmark Health (Sacramento, CA)
    …Citizen (due to contractual/access requirements) We are seeking a Database Administrator with experience in PostgreSQL databases within Google Cloud Platform (GCP), ... Cloud Logging) and SQL Server. + Knowledge of SolarWinds is a plus + ** Security and Compliance:** + Understanding of database security best practices, including… more
    Highmark Health (10/28/25)
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