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# Systems Engineer (Linux Administrator)

- **Company:** RCT Systems
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Active Directory, Amazon Web Services, Application Integration Architecture, Systems Engineering, Big Data, 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:** September 22, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9181763/systems-engineer-linux-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

Preferred Qualifications:
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.
The team operates a hybrid on-prem/cloud environment with multiple data centers, commercial/Government/custom applications, and a large data lake. The engineer will provide Tier 2-4 support and participate in both day-to-day operations and larger engineering projects., 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.


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