• Principal Field Service Specialist (Onsite)

    RTX Corporation (Langley AFB, VA)
    …Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required, as only US citizens ... a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum… more
    RTX Corporation (08/02/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    …from Tier 1. * Administer and maintain servers (Windows, Linux, Solaris ), desktops and applications, printers and peripheral equipment, Active Directory and ... to ITIL practices or formal change management best practices * Prior experience supporting real-time operations/Mission Critical infrastructure * Familiarity with… more
    CACI International (06/06/25)
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  • Full Stack Web Development Software Manager

    CACI International (Reston, VA)
    …front-end web applications and back-end Java and C++ services from the Solaris environment to the Redhat Open Shift (Linux) environment. * Making recommendations ... Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.… more
    CACI International (08/09/25)
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  • Systems Administrator- TS/SCI with Polygraph

    General Dynamics Information Technology (Springfield, VA)
    …and virtual support, maintenance, and security for Red Hat (RHEL 5 & 7), Sun Solaris , Windows Server 2008 & 2016, and Windows 7/10 Desktop + Experience with Nagios, ... Database experience (Oracle, SQL Server). **Would be Nice to Have:** + Prior Real-time operations/mission systems experience + Red Hat Certification + Automation… more
    General Dynamics Information Technology (08/08/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    …+ Proficiency working in a Linux environment - Centos, Ubuntu, Fedora, Solaris , Backtrack + Database experience, to include writing complex queries and modifying ... Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.… more
    CACI International (08/08/25)
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  • Windows Systems Administrator

    Leidos (Arlington, VA)
    …and other commercial best practices such as DISA STIGS. **Preferred Qualifications** + Prior experienced with DISA and DISA's support to mission partners + TS/SCI ... BMC Remedy. + ITIL v3 Foundation certified + Linux OS experience. + Solaris OS experience. + Experience working with virtual environments. **Original Posting:** July… more
    Leidos (07/18/25)
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