TS/SCI Linux Systems Administrator — Onsite, Full Scope Poly

The Fountain Group; Washington (District of Columbia); On-site; USD 103,320 - 114,010; Full time

Job summary

A leading technology services provider is seeking an experienced Linux-focused System Administrator for an onsite position in Washington, DC. The role requires an active TS/SCI clearance with Full Scope Polygraph. Responsibilities include maintaining a complex Linux-based infrastructure and ensuring security compliance. Candidates should have over 5 years of system administration experience in DoD/IC environments and proficiency in various technologies including RHEL and container platforms.

Qualifications

• 5+ years of system administration experience in classified or secure DoD/IC environments.
• Active TS/SCI clearance with Full Scope Polygraph required.
• Experience with container and virtualization platforms.

Responsibilities

• Maintain operational health of complex Linux-based infrastructure.
• Serve as technical authority on Linux systems engineering.
• Ensure security compliance within a SCIF environment.

Skills

Linux proficiency across RHEL, Rocky Linux, and/or CentOS

DISA STIGs and SCAP compliance scanning

NIST SP 800-53 controls knowledge

SSP development and A&A/ATO activities

STE/STN installation and configuration

PKI/TLS standards understanding

IP networking fundamentals

Firewall management

Container platforms (Docker, Podman)

Virtualization platforms (VMware vSphere, KVM/QEMU)

Storage management (NAS, SAN, LVM)

DoD 8140 IAT Level II compliance

Education

Bachelor's degree or equivalent experience

Tools

Bash

Python scripting

Ansible

Puppet

SaltStack

Chef

OpenShift Container Platform

Job description

A leading technology services provider is seeking an experienced Linux-focused System Administrator for an onsite position in Washington, DC. The role requires an active TS/SCI clearance with Full Scope Polygraph. Responsibilities include maintaining a complex Linux-based infrastructure and ensuring security compliance. Candidates should have over 5 years of system administration experience in DoD/IC environments and proficiency in various technologies including RHEL and container platforms.