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# Mid-Level Systems Administrator [$243k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Experienced
- **Salary:** $243,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Antivirus Softwares, Configuration Management, Linux, Cryptographic Protocols, Firmware, IP Addressing, Intrusion Detection and Prevention, Network Security, Network Architecture, Routing, Software Engineering, Firewalls (Computer Science), Network Server, Hardware Debugging
- **Published:** September 29, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9198105/mid-level-systems-administrator-243kyr-tssci-fs-poly

## About the Role

* Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 10+ years
 * Total Compensation: $243k+ yearly

## Description

* Administer robust Windows and Linux network infrastructure and development/test environments across multiple operational facilities.
 * Lead system administration, network architecture, and security engineering to maintain high-availability systems.
 * Support mobile and RF communications systems while performing advanced hardware lifecycle maintenance and repairs., * Administer, configure, and troubleshoot Windows and Linux network infrastructure, servers, and development testbeds.
 * Design, install, and sustain LAN, WAN, and CAN architectures, routing, switching, and IP addressing schemes.
 * Implement and maintain network security solutions including firewalls, encryption protocols, anti-virus rules, and intrusion detection/prevention systems.
 * Support telecommunications and Radio Frequency (RF) system components and integration.
 * Perform hardware and software lifecycle upgrades, firmware updates, and comprehensive configuration management.
 * Conduct component-level hardware repair, modification, and micro-soldering on system circuit traces to sustain operational readiness.
 * Perform site surveys, monitor UPS and network health, and maintain detailed rack elevations and non-attributable system matrices.