> Markdown version of [/jobs/ext/4031334-mid-level-linux-administrator-301k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/4031334-mid-level-linux-administrator-301k-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).

---

# Mid-Level Linux Administrator [$301k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Experienced
- **Salary:** $301,000.0
- **Contract:** Permanent contract
- **Skills:** Bash Shell, Configuration Management, System Configuration, Data Integrity, Linux, Python (Programming Language), NetBackup, Package Management Systems, Red Hat Enterprise Linux, Ansible, Software Vulnerability Management, Backup and Restore, System Availability, Infrastructure Automation Frameworks, Information Technology, Performance Monitor, Nessus, Data Management, Puppet, Vulnerability Analysis
- **Published:** October 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9275621/mid-level-linux-administrator-301kyr-tssci-fs-poly

## About the Role

* Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 10+ years
 * Total Compensation: $301k+ yearly (tentative)

## Description

* Administer, maintain, and optimize enterprise Linux environments in a high-availability production setting.
 * Manage and support enterprise storage and backup systems, including IBM Enterprise Storage and Veritas NetBackup.
 * Maintain system security, package management, and patching using YUM repositories and Nessus vulnerability remediation.
 * Implement configuration management, security hardening, and infrastructure automation utilizing Bash, Python, Ansible, or Puppet., * Administer, maintain, and optimize Linux-based operating systems across enterprise environments
 * Support and maintain IBM Enterprise Storage solutions to ensure optimal system performance and data availability
 * Configure, monitor, and troubleshoot Veritas NetBackup for enterprise-level backup, recovery, and data integrity operations
 * Execute package management, operating system updates, and automated patch deployments using YUM
 * Conduct vulnerability assessments and remediate security findings using Nessus to maintain strict compliance
 * Implement system hardening policies, security controls, and baseline configurations
 * Develop scripts and automation routines using Bash, Python, Ansible, or Puppet for routine administrative tasks
 * Perform performance monitoring, capacity planning, proactive troubleshooting, and root cause analysis
 * Collaborate across engineering teams to support infrastructure upgrades, system audits, and incident resolution
 * Maintain technical documentation for system configurations, operating procedures, and security compliance standards