• Senior Cyber Security Engineer

    RTX Corporation (Tewksbury, MA)
    …security, reverse engineering, or exploit development. + Experience with network and system security administration , including operating system security ... secure world. We have an on-site opportunity for a Senior Cybersecurity Engineer within our Application and Tactical Software...management best practices for MS Windows, Red Hat Enterprise Linux , and Cisco Systems . + DoDI 8570.01-M… more
    RTX Corporation (10/23/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …integrity of our systems and support IT infrastructures around the world. ** Senior System Administrator** , internally known as Senior Analyst, ... solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise … more
    RTX Corporation (10/29/25)
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  • Penetration Tester, Senior

    CACI International (Chantilly, VA)
    …MMS, Voice, data) and cellular system functions * Understanding of Operating Systems (Windows, MacOS, Linux , Mac OS, Mobile OS, etc.) * Understanding of ... Penetration Tester, Senior Job Category: Engineering Time Type: Full time...Metasploit, Canvas, Kismet, BackTrack etc.) * Proficient in Windows System Administration with basic understanding of Cisco… more
    CACI International (10/18/25)
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  • Infrastructure Senior Technology Analyst…

    Citigroup (Irving, TX)
    …come join us. We'll enable growth and progress together. The Infrastructure Senior Technology Analyst is an intermediate level role responsible for assisting with ... LAN / WAN and help desk administration activities, including network maintenance, technical guidance, and security in coordination with the Technology Infrastructure… more
    Citigroup (09/02/25)
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  • Senior DevSecOps Software Engineer

    Belcan (Cedar Rapids, IA)
    …for a Senior DevSecOps Software Engineer to help build cutting-edge systems that keep our military personnel safe, connected, and informed. Work alongside ... Senior DevSecOps Software Engineer Job Number: 361383 Category:...observability/monitoring tools (Grafana) and RESTful API integration. * Strong Linux and application administration skills, with knowledge… more
    Belcan (11/20/25)
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  • Senior Software Engineer

    Red Hat (Boston, MA)
    …Following Is Considered a Plus + Demonstrated knowledge of Red Hat Enterprise Linux (RHEL), including administration and management + Familiarity with ansible ... solutions, using a community-powered approach to deliver reliable and high-performing Linux , hybrid cloud, container, and Kubernetes technologies. We strive to make… more
    Red Hat (11/20/25)
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  • Senior DevOps Engineer

    Huntington Ingalls Industries (Fort Meade, MD)
    …knowledge in Kubernetes and Container Orchestration, Configuration Management, CI/CD, Automation, AWS, Linux systems administration , Scripting in Bash and ... application to deployment and management of infrastructure. + Proficient knowledge of Linux , including system administration and troubleshooting. +… more
    Huntington Ingalls Industries (11/22/25)
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  • Senior DevOps Engineer - $20K Sign On Bonus

    Huntington Ingalls Industries (Fort Meade, MD)
    …knowledge in Kubernetes and Container Orchestration, Configuration Management, CI/CD, Automation, AWS, Linux systems administration , Scripting in Bash and ... application to deployment and management of infrastructure. + Proficient knowledge of Linux , including system administration and troubleshooting. +… more
    Huntington Ingalls Industries (09/27/25)
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  • Senior Infrastructure Engineer

    RLDatix (Skokie, IL)
    …ideally have: Technical Requirements: . Strong IT background around support and system administration . Extensive identity & access management experience (Entra ... Senior Infrastructure Engineer Corporate Information Systems ...Endpoint Central . Experience of supporting both Windows and Linux based systems . A strong understanding… more
    RLDatix (11/05/25)
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  • Senior Specialist, Cyber Intelligence

    L3Harris (Palm Bay, FL)
    …control assessments and execute Continuous Monitoring Plans + Work with IT and system administration organizations to develop device and system hardening ... Description: Performs ISSO duties under the guidance of the Information System Security Manager (ISSM) on assigned government-authorized systems . Knowledgeable… more
    L3Harris (10/03/25)
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