- CACI International (Denver, CO)
- …of activities to balance with your work life. More About This Role: As the Systems Administrator on this contract, you will be on an engineering team that ... Senior System Administrator Job Category: Information Technology Time Type: Full...Continental US Anticipated Posting End: 9/19/2025 CACI is seeking ** Systems Administrators** with Linux Infrastructure experience to manage and… more
- Parsons Corporation (Colorado Springs, CO)
- …wide area networks (WANs), network segments, intranets, and other data communication systems . The Network / System Administrator will help architect, design ... competency in one or more of the following supported platforms: MS Hyper-V/ VMWare /ESXi/Xen Hypervisors, Enterprise networking and firewall systems , Group Policy… more
- SciTec (Boulder, CO)
- …SciTec has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team in Boulder, CO or Princeton, NJ. Successful ... clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat… more
- RTX Corporation (Aurora, CO)
- …of systems , storage, and networking in virtualized environments using VMware vCenter + Experience managing network devices + Experience administering Windows ... clearance **Security Clearance:** TS/SCI with Polygraph **Sr. Principal Linux System Administrator , Aurora, CO, must have active TS/SCI - CI Poly clearance,… more
- Lockheed Martin (Schriever AFB, CO)
- …Joining the Global Platforms and Infrastructure \(GPI\) team as an Infrastructure Automation Systems Administrator offers a unique opportunity to be part of a ... We are seeking a highly skilled, experienced, and motivated Infrastructure Automation Administrator to join our team\. The successful candidate will play a critical… more
- DCCA (Denver, CO)
- System Administrator Location Denver, CO Job Code 2454 # of Openings 1 Apply Now ... competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator Candidates MUST have an active TS/SCI Clearance For over 40… more
- ManTech (Aurora, CO)
- MANTECH seeks a motivated and customer-focused **Linux** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT ... effort and is part of a collaborative team delivering systems engineering, software development, testing, and configuration management services. **Responsibilities… more
- ManTech (Aurora, CO)
- ManTech is seeking a **Linux** **System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization effort and is ... part of a collaborative team delivering systems engineering, software development, testing, and configuration management services. **Responsibilities include, but… more
- GovCIO (Denver, CO)
- **Overview** GovCIO is hiring a Windows and Linux System Administrator (Senior) to support Veterans Affairs operational needs. The role requires AWS, Windows, and ... health record modernization. + Establish and maintain smooth operation of computer systems , including operating systems , software, and hardware, in both… more
- SciTec (Boulder, CO)
- …exploitation capabilities. SciTec has an immediate opportunity for a talented administrator or developer who understands the intricacies of deploying secure ... environments + At least three years professional experience using Linux operating systems + Strong understanding of Ansible playbooks + Strong understanding of… more