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# Linux System Administrator

- **Company:** RCT Systems
- **Location:** Fairfax Station, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Active Directory, Amazon Web Services, Application Integration Architecture, BitLocker Drive Encryption, Data Centers, Dynamic Host Configuration Protocol, Debian Linux, Linux, Distributed File Systems, Domain Name System (DNS), Linux Servers, McAfee VirusScan, Virtual Desktops, Ansible, Server Virtualization, VMware Horizon View, Scripting, CheckMK, CIS Benchmarks, Splunk, Servicenow, Vmware
- **Published:** October 8, 2026
- **Apply:** https://www.disabledperson.com/jobs/75866108-linux-system-administrator

## About the Role

* Linux engineering
 * TS/SCI with Polygraph
 * VMware vCenter + NSX-T
 * Active Directory / DNS / DFS / DHCP
 * DISA STIGs
 * Infrastructure operations & maintenance
 * Splunk
 * Check_MK
 * McAfee ePO
 * BitLocker
 * ServiceNow
 * Tier 2-4 technical support
 * Engineering/project coordination, * Rocky Linux
 * Ansible, scripting, and AI integration/automation
 * Engineering Lead experience
 * Tier 1-4 support
 * CIS Benchmarks
 * VMware Horizon VDI
 * Technical briefings/documentation
 * Classified-property and network-encryption-device management

## Description

This is a senior Linux/infrastructure engineering role supporting a classified mission environment. The primary focus is Linux engineering plus infrastructure operations, virtualization, security compliance, and automation., * Engineer and support Linux servers and workstations, particularly Debian.

 * Provide Tier 2-4 troubleshooting and incident resolution.
 * Manage VMware vCenter and NSX-T virtualization infrastructure.
 * Support Active Directory, DNS, DFS, and DHCP.
 * Maintain systems according to DISA STIGs and security requirements.
 * Operate and maintain infrastructure across data centers and AWS.
 * Monitor infrastructure performance/utilization and maintain accurate inventories.
 * Handle data-center tasks including hardware installation, cabling, commissioning, decommissioning, and property management.
 * Support virtual servers, virtual desktops, VMware Horizon VDI, and automation.
 * Coordinate engineering projects, technical risks, implementation conflicts, and schedules.
 * Create/present technical documentation to review and approval boards.
 * Use ServiceNow for requirements and incident management.