• Systems Engineer Sr - Level 3

    Lockheed Martin (Fort Worth, TX)
    …\(SAR\) clearances\.\*\*\* **Basic Qualifications:** * DoD IAT Level II certification \(e\.g\., Security \+, CySA\+, CCNA Security , etc\.\) with the ability ... member\. The MPE team provides F\-35 ground mission planning, mission debrief, security and sensor reprogramming capabilities\. The Sustainment team is a team of… more
    Lockheed Martin (12/13/25)
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  • Windows System Administrator

    General Dynamics Information Technology (San Antonio, TX)
    …years' experience OR equivalent experience (4 years) **Certifications:** + IAT Level II ( Security + CE, CCNA Security , etc.) **Clearance Required to Start:** ... software interacts within the customer LAN/WAN systems, networks, and other security applications. The administrator in this position will support activities within… more
    General Dynamics Information Technology (01/02/26)
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  • Senior Computer User Support Specialist

    Cayuse Holdings (Austin, TX)
    …IA Baseline Certification, IAT Level I (examples: A+ CE, Network+ CE, SSCP, CCNA - Security certifications) + COMPTIA Security Certification + Must possess ... an active Interim Secret security clearance to start with the ability to obtain and maintain a full Secret + Must be able to pass a background check. May require… more
    Cayuse Holdings (11/25/25)
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  • Network Administrator

    ManTech (San Antonio, TX)
    …within 60 days of starting employment. Acceptable certifications include CCNA - Security /CySA+/GICSP/GSEC/ Security + CE/CND/ or SSCP) **Preferred ... Qualifications:** + Experience with supporting cross-domain customer networks (VPNs, one-way data transfers, unclassified infra, Taclane 175), with expertise in Core/Distribution routing (MPLS/VPLS, OSPF, EIGRP) and Access switching. + Experience with Linux… more
    ManTech (12/17/25)
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  • Clinical Systems Architect

    Caris Life Sciences (Irving, TX)
    …+ Experience with AI-assisted development tools (Cursor AI) + Advanced networking and security certifications (CISSP, CCNA , AWS Security ) + Experience with ... teams. This role requires deep knowledge of CI/CD pipelines, information security , networking, and cloud operations, while maintaining strong full-stack development… more
    Caris Life Sciences (12/17/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Rockwall, TX)
    …and maintaining a government network ATO (Authorization to Operate). + Networking experience ( CCNA certs). + Security + Certified. + Active Secret Security ... the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr. Spec, Systems Engineer Job Code: 32393 Job Location: Rockwall, TX… more
    L3Harris (01/07/26)
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  • Network Engineer

    Leidos (Abilene, TX)
    …and experience implementing C2C Must possess one of the following certifications: + ​SecurityX / CASP+ ​ CCNA + ​CCNP Security + CEH + ​GCED + ​GCIA + ​GCLD + ... cables and infrastructure). + Experience with Network Administration, Network Security , Networking Standards, Network Protocols, NIST/FISMA standards and controls. +… more
    Leidos (12/07/25)
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  • Cyber Systems Security Engineer - Level 2

    Lockheed Martin (Fort Worth, TX)
    …Systems - or equivalent applied experience Completed DoD IAT Level II certification \( Security \+, CySA\+, or CCNA \)\. IT experience of any combination in ... deployment\. Position will require close coordination with program cyber security representatives, cross\-functional lab development engineering teams and lab… more
    Lockheed Martin (12/11/25)
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  • Network Engineer

    Insight Global (Austin, TX)
    …problem-solving skills and attention to detail. * Cisco certifications such as CCNA , CCNP (Enterprise, Security , or equivalent). * Experience with other ... switches, routers, firewalls, and Firepower appliances while ensuring high availability and security of our network services. The ideal candidate will have hands-on… more
    Insight Global (01/08/26)
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  • Sr. Engineer - DataDog SIEM | Remote, USA

    Optiv (Houston, TX)
    …/ Juniper / McAfee / Cisco / Blue Coat / Imperva or other similar network security products. + CCNA , CCDA, CCSA, CCIE, CISSP, CEH, or MCSE. + Familiarity with ... AFC clients. The Sr. DataDog Cloud SIEM Engineer works in Optiv Security 's 24x7x365 Security Operations Center as a member of the Advanced Fusion Center (AFC)… more
    Optiv (12/17/25)
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