• Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics ... and much more. **Join us and make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital role in maintaining the… more
    Leidos (11/15/25)
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  • Senior Information Systems Security…

    RTX Corporation (Tucson, AZ)
    …investigations, or Border Patrol + Project or program management, office management, senior administration , or account management **Qualifications We Prefer** + ... that create a safer, more secure world. Our cybersecurity team is seeking a ** Senior Information Systems Security Officer (ISSO) II** to support our team **100%… more
    RTX Corporation (11/25/25)
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  • Senior Information Systems Security…

    RTX Corporation (Tucson, AZ)
    …investigations, or Border Patrol + Project or program management, office management, senior administration , or account management **Qualifications We Prefer** + ... that create a safer, more secure world. Our cybersecurity team is seeking a ** Senior Information Systems Security Officer (ISSO)** to support our team **100%… more
    RTX Corporation (11/18/25)
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  • Senior Systems Engineer (Cyber…

    RTX Corporation (Tewksbury, MA)
    …configuration and account management best practices for UNIX, MS Windows, Red Hat Enterprise Linux , and CISCO systems + Understanding of Systems Engineering ... a safer, more secure world. Raytheon is seeking a ** Systems Security Engineer-P3** to join our elite Systems...(SIEM) and centralized auditing tools familiarity with splunk + Linux Bash scripting and Python scripting experience + Security… more
    RTX Corporation (11/29/25)
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  • Senior DevSecOps Engineer

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a Senior DevSecOps Engineer to join our visible technical program driving the Model Based Systems Engineering (MBSE) cloud ... suitable for AI applications. This program delivers engineering services for Linux and Windows cloud-based infrastructure as well as sophisticated enterprise… more
    BAE Systems (10/31/25)
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  • Senior Systems Administrator

    Belay Technologies (Annapolis Junction, MD)
    …2019, runner up in 2020 and a finalist in 2021! Belay Technologies seeks a Senior System Administrator (SA) to join our intel team. The SA provides support for ... implementation, troubleshooting and maintenance of IT systems . Manages IT system infrastructure and any processes related to these systems . Provides support to… more
    Belay Technologies (11/19/25)
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  • Senior Systems Administrator…

    Huntington Ingalls Industries (Hanover, MD)
    …Diploma or equivalent and 10 years relevant experience. + Strong proficiency in Linux administration (eg Red Hat, CentOS, Ubuntu) + Experience with ... Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies...ideal candidate will have a strong background in system administration and be part of a small team of… more
    Huntington Ingalls Industries (11/25/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …create a safer, more secure world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ... environment. + Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server...complexity to include the integration of hardware and operating systems (OS). + Must be able to obtain Department… more
    RTX Corporation (11/13/25)
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  • Sr. Specialist, System Administration

    L3Harris (Fort Wayne, IN)
    …- and have every other Friday off Job Description: We are seeking an experienced Senior Linux System Administrator to join our dynamic IT team. The ideal ... interest of national security. Job Title: Sr. Specialist, System Administration Job Code: 30825 Job Location: Fort Wayne, IN...candidate will have a deep understanding of Linux systems , including advanced skills in kickstarting,… more
    L3Harris (11/06/25)
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  • Senior Cloud Systems Engineer…

    St. George Tanaq Corporation (Suitland, MD)
    …Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI) Operating Systems : Linux /Unix (Ubuntu, CentOS, Red Hat) Windows Server administration Infrastructure ... Senior Cloud Systems Engineer (Identity Management Domain Services) WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time… more
    St. George Tanaq Corporation (11/18/25)
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