> Markdown version of [/jobs/ext/3989819-senior-systems-administrator](https://www.wearedevelopers.com/jobs/ext/3989819-senior-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Administrator - **Company:** Que Technology Group - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Proxmox, Microsoft Windows, Systems Engineering, JIRA, Bash Shell, Linux, DevOps, Domain Name System (DNS), Perl (Programming Language), Internet Protocol, Python (Programming Language), Kernel-Based Virtual Machine, Linux System Administration, NetBackup, NetApp Applications, Red Hat Enterprise Linux, Ansible, Virtual Machines, Virtualization Technology, Scripting, Data Storage Management, Cloud Platform System, Hyperconverged Infrastructure, Firewalls (Computer Science), Backend, Operational Systems, Nutanix, Cisco, Vmware - **Published:** October 28, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=da9da418ba0fc77d ## About the Role * Bachelor's degree required, with at least fifteen (15) years of experience as a System Administrator in programs and contracts of similar scope, type, and complexity. * Linux administration experience sufficient to meet the years required for the labor category. * Solid experience with STE/STN and DISA STIG compliance work on Linux systems. * Storage management experience (e.g., CFS/DFS, NetApp). * Virtualization experience (e.g., Proxmox, Red Hat KVM, VMware). * IP networking and firewall experience. * Some experience with container and cloud environments. * Strong written and verbal communication skills, with the ability to coordinate across large, multi-contract teams. Preferred Qualifications: * Experience with automation tools (e.g., Ansible, Salt). * Scripting experience (e.g., Bash, Python, Perl). * Experience with backup tools (e.g., Rubrik, NetBackup). * Hyper-converged infrastructure experience (e.g., Harvester, Nutanix, Cisco HyperFlex). Security Clearance: * Active Top Secret clearance with a Polygraph ## Description * Administer, maintain, and troubleshoot Linux and Windows physical servers and virtual machines supporting DevOps and live operational systems * Monitor system health and respond to mission-critical updates and hot issues communicated through team channels and email * Work and resolve tickets in Jira according to team priorities * Support three backend environments at different classification levels, including authentication, DNS, share drives, home directories, and communications between systems * Support Mission and Operations users and their desktops * Perform STE/STN and DISA STIG compliance work on Linux systems * Manage storage, virtualization, IP networking, and firewall components supporting the environment * Support DevOps initiatives and sustainment of live systems, including container and cloud environments * Communicate and coordinate effectively with System Administrators, Systems Engineers, and Network Engineers across multiple contracts, as well as with direct civilian tasking and leadership