> Markdown version of [/jobs/ext/2898348-senior-linux-systems-administrator-214k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/2898348-senior-linux-systems-administrator-214k-yr-ts-sci-fs-poly). 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 Linux Systems Administrator [$214k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis, MD, United States - **Experience:** Expert - **Salary:** $214,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Confluence, JIRA, Bash Shell, Configuration Management, Computer Networks, Databases, Linux, VMware ESX Servers, Hypervisor, Networking Hardware, MongoDB, Network Architecture, Scrum Methodology, Red Hat Enterprise Linux, Ansible, Virtualization Technology, Network Routers, Virtual Environment, Malware, Gitlab, Pure Storage, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Deployment Automation, Atlassian Tools, Fireeye, Cisco Switches, Network Server, Cisco, Vmware - **Published:** September 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9160647/senior-linux-systems-administrator-214kyr-tssci-fs-poly ## About the Role Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph within the last 7 years to be considered., * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 15+ years * Total Compensation: $214k+ yearly, * Expert Linux system administrator proficient in troubleshooting server problems, managing virtual and baremetal servers, RedHat Satellite, and enforcing security policies * Experience managing infrastructure users and hosts using RedHat FreeIPA identity management system * VMware experience managing ESXi hypervisors and vCenter appliances * Experience creating and modifying Ansible playbooks for infrastructure automation tasks * Proficient at architecting and deploying network solutions with Cisco switches and routers * Strong ability to diagnose and resolve complex connectivity issues, outages, and network bottlenecks * Skilled at performing Cisco upgrades, applying patches, and optimizing network efficiency * Extensive experience troubleshooting infrastructure issues * Experience managing Kubernetes RKE2 clusters * Familiarity with Atlassian platform (Confluence, Jira) and GitLab * Strong skills managing Pure Storage/Everpure arrays and VMware vSAN * Experience with infrastructure monitoring tools * Bash scripting Desired skills: * Experience managing MongoDB database clusters * Experience managing Trellix FireEye VX, AX, and CM appliances ## Description * Administer enterprise Linux servers, virtualized infrastructure, and Cisco network routing to support malware analysis capabilities. * Automate deployment workflows and maintain infrastructure using VMware, Kubernetes RKE2, Ansible, and Bash scripting., * Provide end-to-end implementation, troubleshooting, and maintenance for enterprise IT systems and server infrastructure. * Configure, manage, and optimize Linux and Windows operating systems to maximize reliability and system performance. * Maintain and manage virtual environments using VMware and containerized platforms using Kubernetes RKE2. * Develop and execute Ansible playbooks and Bash scripts to streamline system management and deployment processes. * Support Cisco router configurations and ensure the integrity and availability of network infrastructure. * Provide Tier 1 and Tier 2 problem identification, diagnosis, and technical resolution for server, storage, and network devices. * Collaborate in an Agile/Scrum environment, utilizing tools such as Jira, Confluence, and GitLab for tracking and configuration control. ## Related Videos - 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