• Sr. Specialist Cyber Infrastructure Engineer

    L3Harris (Carlsbad, CA)
    …Secret post-hire Required Qualifications: + Bachelor's degree in Computer Science, Information Systems , Cybersecurity, or related discipline; advanced degree or ... for patch automation, compliance enforcement, and lifecycle sustainment of systems . + Lead NIST RMF activities by...+ Minimum of 10 years of progressive IT and security experience, with a proven record in systems… more
    L3Harris (01/02/26)
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  • Cyber Software Engineer (T05) - Space…

    Northrop Grumman (Redondo Beach, CA)
    …met or scheduled to be worked off. + Review and Assess system security requirements and associated verification methods per RMF standards. + Identify and/or ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...Redondo Beach, CA. In this role you will ensure system security requirements are met by developed… more
    Northrop Grumman (11/18/25)
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  • Engineer (Tactical Network - CANES) | Active…

    General Dynamics Information Technology (San Diego, CA)
    …evidence. + Harden Windows/Linux and virtualized hosts (VMware ESXi/NSX) using Defense Information Systems Agency (DISA) Security Technical Implementation ... Family:** Professional Engineering **Skills:** Network Engineering, Systems Engineering,Windows System Administration **Certifications:** CompTIA Security + CE |… more
    General Dynamics Information Technology (12/28/25)
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  • Principal Linux Systems Administrator

    RTX Corporation (El Segundo, CA)
    …collaborates with many teams to support fast-paced, critical programs with classified information system capabilities. Success in this role means you can ... with teams to support exciting, critical programs with classified information system capabilities. Success in this role...security clearance. + Must have experience with Linux systems administration + Experience with one of the following:… more
    RTX Corporation (12/05/25)
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  • Network Security Engineer

    Noblis (Sacramento, CA)
    …NIST SP 800-53 rev 5). + Can evaluate network and system security concepts for large-scale, safety-critical systems like those in the National Airspace ... (eg, NIST 800-53, FISMA, etc.) to harden and secure systems . These are the types of professionals who understand...ATO packages and continuous monitoring. + Ability to develop system security plans, risk assessments, and related… more
    Noblis (12/30/25)
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  • Systems Engineer Stf - Level 4

    Lockheed Martin (Palmdale, CA)
    …passionate about driving innovation and ensuring the success of mission\-critical systems \. **Further Information About This Opportunity** This position is ... position is for an experienced member of an ADP Systems Engineering team, providing support across the entire product...processes, have experience leading elements of a product or system , and have an ability to think creatively and… more
    Lockheed Martin (12/13/25)
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  • UNIX Systems Engineer

    GovCIO (Sacramento, CA)
    …assigned tasks. + 3+ yrs experience in patch management with understanding how toapply security updates to systems via YUM and RPM. + 3+ yrs experience ... patch management and Security TechnicalImplementation Guides (STIG), Security Requirement Guides (SRG), RMF , SecurityControl Assessor-Validator (SCA-V),… more
    GovCIO (12/24/25)
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  • Operational Technology (OT) Security…

    Applied Materials (Santa Clara, CA)
    …The OT Security Engineer is responsible for safeguarding industrial control systems (ICS), SCADA environments, and other OT assets against cyber threats. This ... & Collaboration** + Partner with engineering, operations, and IT teams to embed security into the ** system lifecycle** . + Evaluate emerging technologies and… more
    Applied Materials (12/04/25)
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  • Sr. Product Security Engineer, Software (On…

    Abbott (San Diego, CA)
    …The crucial information derived from our tests, instruments, and informatics systems is often the first step in patient care decision-making for hundreds of ... strategies aligned with FDA and international cybersecurity guidance. + Implementation of security risk controls and operating system hardening. + Assist with… more
    Abbott (10/24/25)
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  • Linux/Windows Senior Systems Administrator

    Lockheed Martin (San Diego, CA)
    …Martin is looking for highly motivated, experienced individuals to perform network/ system administration and support on a variety of complex platforms supporting ... BMD and other DoD related activities\. System Administration activities include \(but are not limited to\):...compliant hardening * Configuration, fine tuning, and maintenance of security tools such as Nessus, ACAS, Splunk, etc\. *… more
    Lockheed Martin (12/18/25)
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