Senior Linux Systems Engineer - RHEL, DoD, Hybrid Cloud

Thales Trusted Cyber Technologies; Clarksburg (MD); Hybrid; USD 110,000 - 150,000; Full time

Job summary

Thales Trusted Cyber Technologies in Maryland is seeking a Linux Administrator to manage Red Hat Enterprise Linux (RHEL) systems across on-premises, air-gapped, and cloud environments for a DoD contractor.

The role enforces security baselines, automates using Ansible and Satellite, supports software engineering teams with CI/CD tooling, and ensures compliant, resilient Linux infrastructure in a hybrid work setting with occasional travel to Abingdon, MD.

Qualifications

• 4-7+ years of Linux systems administration experience, preferably in DoD or regulated environments.
• Strong hands-on Red Hat Enterprise Linux (RHEL) experience (8/9+).
• Experience with multi-site, air-gapped environments and cloud provisioning.
• Familiarity with security hardening (STIGs, FIPS, CMMC) and compliance.
• Ability to automate installation, patching, and configuration tasks.

Responsibilities

• Provide system administration and engineering support for RHEL-based and mixed Linux systems across on‑premises, air-gapped, multi-site, and cloud environments.
• Install, configure, harden, maintain, and patch Linux servers/workstations in various network topologies.
• Enforce security baselines and compliance requirements on Linux systems in classified environments.
• Utilize Satellite, Ansible, and related technologies to provision, configure, patch, and deploy at scale.
• Support development/build/CI/CD infrastructure and tooling for software engineering teams.
• Monitor performance, troubleshoot, and perform routine automation tasks with cron/systemd/Ansible.
• Collaborate with security, network, and engineering teams; assist in air-gapped and remote work scenarios.

Skills

RHEL administration

Security baselines

Automation (Ansible)

Satellite

CI/CD tooling support

Cloud platforms (AWS GovCloud/Azure)

Scripting (Bash/Python)

Team collaboration

Education

Bachelor's degree in IT/CS or related field

Tools

Red Hat Satellite

Ansible

Terraform

Job description

Thales Trusted Cyber Technologies in Maryland is seeking a Linux Administrator to manage Red Hat Enterprise Linux (RHEL) systems across on-premises, air-gapped, and cloud environments for a DoD contractor.

The role enforces security baselines, automates using Ansible and Satellite, supports software engineering teams with CI/CD tooling, and ensures compliant, resilient Linux infrastructure in a hybrid work setting with occasional travel to Abingdon, MD.