• Junior Systems Administrator

    fusionSpan (Rockville, MD)
    …Overview We are looking for a sharp, technically-minded Junior Systems and Integrations Administrator to join our team. This is an early-career position designed for ... and Software Integration. You will be responsible for the health, security , and connectivity of our core platforms-Salesforce and AWS-ensuring that data… more
    fusionSpan (01/03/26)
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  • Senior Systems Administrator

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior Systems Administrator ** to join our team in **Washington** **, DC** . **Responsibilities include ... tickets to include data storage, network connectivity, Active Directory accounts and security groups, and third-party software. + Update and manage assigned tickets… more
    ManTech (12/31/25)
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  • Senior Systems Administrator with Poly

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS/SCI with Poly clearance to join and assist and meet mission needs for our government ... Framework and related systems to ensure optimized performance and security + Support patching, upgrading, and migrating of Linux...+ Experience in building and maintaining VMware environments. + Security + cert What we'd like you to have… more
    BigBear.ai (12/30/25)
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  • Sr. Network Administrator

    Intrepid Solutions and Services (Dayton, OH)
    …To continue to excel this program, Intrepid is seeking a **Sr.** **Network Administrator ** to provide support for all NASIC and mission partner networks. A qualified ... desired. **CERTIFICATIONS:** + DoD 8140/8570 IAT Level II (CompTIA Security +) certification, required. + Cisco Certified Network Associate certification or… more
    Intrepid Solutions and Services (12/30/25)
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  • System Administrator Lead

    System One (Mclean, VA)
    Job Title: System Administrator Lead Location: Arlington, Virginia Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Top Secret w/ SCI ... * Create/maintain a standalone workstation image in accordance with DOD security standards. * Provide systems recovery and repair operations employing industry… more
    System One (12/26/25)
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  • Secret Cleared System Administrator

    Insight Global (Arlington, VA)
    Job Description The Infrastructure & Systems Administrator is responsible for maintaining, securing, and optimizing the organization's Microsoft 365 and on-premises ... The ideal candidate will bring strong technical expertise, a security -first mindset, and the ability to automate, improve, and...Strong knowledge of NIST and CMMC requirements; background in security and federal compliance is a major plus. *… more
    Insight Global (12/23/25)
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  • Clinical Engineering System Administrator

    Trinity Health (Livonia, MI)
    …and implementation plans. Promotes a department focused on IT compatibility and security of RHM medical technology assets. Utilizes knowledge of and experience with ... staff and on-site service as necessary. Serves as network (LAN/WAN) systems administrator for various Clinical Engineering Equipment systems not managed by Trinity… more
    Trinity Health (12/20/25)
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  • Systems Administrator

    Robert Half Technology (Waukesha, WI)
    Description We are looking for an experienced Systems Administrator to join our team in Waukesha, Wisconsin. In this role, you will manage and maintain critical IT ... and manage Active Directory environments to ensure seamless user access and security . * Oversee the configuration, maintenance, and optimization of Windows Server… more
    Robert Half Technology (12/18/25)
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  • Systems Administrator

    Robert Half Technology (Jamaica, NY)
    Description We are looking for a skilled Systems Administrator to join our team in Jamaica, New York. In this role, you will ensure the seamless operation of our IT ... to other departments. Your responsibilities will include maintaining system security , optimizing performance, and addressing technical issues to enhance overall… more
    Robert Half Technology (12/17/25)
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  • Network Administrator

    Robert Half Technology (Cedar Rapids, IA)
    Description Our client is seeking a Network Administrator to join a small, collaborative IT team. This role focuses on maintaining and securing network ... functionality. * Administer Palo Alto firewalls, including setting up and managing security policies to safeguard the network. * Address and resolve network… more
    Robert Half Technology (12/17/25)
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