• Sr . IT Support Specialist

    3D Systems, Inc. (Rock Hill, SC)
    …and administrative tasks. * Strong experience with cloud-based IT administration , including Azure Active Directory, Intune, and Microsoft 365. * ... * We are seeking a highly skilled and self-driven Senior IT Solutions Specialist to join our IT team...Rock Hill, SC, where in-person collaboration, real-time support, and active engagement with our team and company culture are… more
    3D Systems, Inc. (09/19/25)
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  • Senior Linux Administrator-Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …practices framework as the basis for IT Service Management (ITSM) model. **HOW A SENIOR LINUX ADMINISTRTAOR WILL MAKE AN IMPACT:** + Provide system ... 8 Linux servers + Highly versed in Linux administration and best practices + Familiar...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (08/22/25)
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  • Mission Communication Specialist II (Data)

    Mission Support and Test Services (Las Vegas, NV)
    …least 2 years of related experience. + Helpful to have basic knowledge of Linux , STIGs, Active Directory Administration ; Group Policy implementation and ... Security Site (NNSS) for the US National Nuclear Security Administration (NNSA). Our MISSION is to help ensure the...(ECN) Program at the Remote Sensing Laboratory-Nellis. + Supports senior GMCP and ECN Program personnel during drills, exercises,… more
    Mission Support and Test Services (10/03/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …with adjudicated Full Scope Polygraph at time of application** + Must have server administration experience with Linux (RedHat Enterprise Linux is preferred) ... part of our mission. Northrop Grumman is seeking a ** Sr Principal Systems Administrator** to join our team at...+ 10+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI… more
    Northrop Grumman (09/11/25)
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  • Sr . Systems Administrator

    Arena Technical Resources, LLC (Dayton, OH)
    …program execution. Required Qualifications - Minimum 10 years of progressive systems administration experience in Linux and/or Windows environments - Minimum of ... Sr . Systems Administrator Location: Dayton, OH, US Job...Administrator Location: Dayton, OH Eligibility: Candidate must possess an active TS/SCI clearance Job Description: Our client is seeking… more
    Arena Technical Resources, LLC (08/07/25)
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  • Sr . Systems Engineer

    Leidos (Fort Belvoir, VA)
    …locations. The Sr Systems Engineer will deploy new Windows and Linux servers and systems and provide support for maintaining and enhancing cloud infrastructure ... **Description** Leidos is seeking a ** Sr . Systems Engineer** to support large-scale migration and...as well as the day-to-day maintenance support for troubleshooting Linux /Windows cloud systems and servers. This role requires an… more
    Leidos (10/03/25)
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  • Sr . Principal HPC System Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …PhD. Will consider 4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge and experience with networking ... Grumman Mission Systems (NGMS) is seeking a **Principal or Sr . Principal HPC System Administrator** . This position is...4 years additional experience in lieu of degree. + Linux systems administration proficiency + Basic knowledge… more
    Northrop Grumman (10/02/25)
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  • Senior Cloud Security Engineer

    Applied Research Associates, Inc. (Raleigh, NC)
    …+ Linux Certification (RHCSA, LFCA, Linux +). + Experience Microsoft Active Directory administration . + Willingness to expand into other technical skills. ... you must be a US citizen and need an active US Security Clearance at the Secret level or...personality and excellent written/oral communication skills will be essential. ** Senior Security Engineer Required Experience & Skills:** + BS… more
    Applied Research Associates, Inc. (07/24/25)
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  • SkillBridge: Sr . System Administrator…

    RTX Corporation (Andover, MA)
    …Desktop Gateway, and Netwrix, prior systems administration and networking administration experience, Windows or Linux administration , Windows client ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (08/13/25)
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  • Sr . Specialist Cyber Infrastructure…

    L3Harris (Carlsbad, CA)
    …while enabling mission-critical operations. Essential Functions: + Engineer and oversee administration of Linux (Ubuntu/Red Hat) and Windows Server enterprise ... Information Systems, Cybersecurity, or related discipline; advanced degree or equivalent senior -level experience strongly preferred. + Active Secret clearance… more
    L3Harris (09/25/25)
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