> Markdown version of [/jobs/ext/3893230-systems-administrator-linux-windows-mission-infrastruc](https://www.wearedevelopers.com/jobs/ext/3893230-systems-administrator-linux-windows-mission-infrastruc). 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). --- # Systems Administrator - Linux & Windows Mission Infrastruc - **Company:** Meadowgate Technologies LLC - **Location:** Annapolis Junction, MD, United States - **Contract:** Permanent contract - **Skills:** Proxmox, Microsoft Windows, Systems Engineering, JIRA, Bash Shell, Linux, DevOps, Domain Name System (DNS), Perl (Programming Language), Monitoring of Systems, Internet Protocol, Python (Programming Language), Kernel-Based Virtual Machine, Linux System Administration, Linux Security Modules, NetBackup, NetApp Applications, Red Hat Enterprise Linux, Ansible, Virtual Machines, Virtualization Technology, Scripting, Cloud Platform System, System Availability, Hyperconverged Infrastructure, Firewalls (Computer Science), Backend, Storage Technologies, Operational Systems, Nutanix, Cisco, Vmware - **Published:** October 23, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9261405/systems-administrator-linux-amp-windows-mission-infrastruc ## About the Role Extensive Linux administration experience supporting operational environments. * Ability to support an infrastructure environment containing both Linux and Windows systems. * Solid experience supporting STE/STN requirements and implementing DISA STIG compliance on Linux systems. * Experience managing storage technologies such as CFS/DFS and NetApp. * Experience administering virtualization platforms such as Proxmox, Red Hat KVM, or VMware. * Experience with IP networking and firewalls. * Some experience supporting containerized or cloud environments. * Strong communication skills and the ability to coordinate work across multiple technical teams, contracts, and government stakeholders. * A current IAT Level II certification. * Active TS/SCI with polygraph level clearance., A high school diploma, plus twenty (20) years of systems administration experience; or + A bachelor's degree, plus fifteen (15) years of systems administration experience. Desired Skills * Experience using automation tools such as Ansible or Salt. * Scripting experience with Bash, Python, Perl, or comparable languages. * Experience with backup tools such as Rubrik or NetBackup. * Experience with hyperconverged infrastructure platforms such as Harvester, Nutanix, or Cisco HyperFlex. ## Description As a Systems Administrator, you will sustain Linux and Windows infrastructure supporting DevOps and live mission systems across three backend environments at different classification levels. Working with a large government and contractor team, you will maintain physical servers, virtual machines, storage, and core services that mission and operations users rely on every day. You'll troubleshoot system and connectivity issues while collaborating with systems administrators, systems engineers, and network engineers across multiple contracts. You'll also end your day knowing that you're doing work that truly matters., * Administer and sustain Linux and Windows physical servers and virtual machines supporting DevOps and live operational systems. * Maintain backend services across three environments at different classification levels, including authentication, DNS, shared drives, and home directories. * Support authorized communications and troubleshoot connectivity issues across the supported infrastructure. * Review system monitoring, mission updates, and team communications to identify operational priorities. * Investigate and resolve Jira tickets with systems administrators, systems engineers, and network engineers. * Apply Linux security configurations and support STE/STN and DISA STIG compliance requirements. * Manage storage resources, including CFS/DFS and NetApp environments. * Configure and sustain virtualization platforms such as Proxmox, Red Hat KVM, and VMware. * Troubleshoot IP networking and firewall issues affecting system availability and access. * Support containerized and cloud environments. * Coordinate technical work across multiple contracts under government tasking and leadership.