Sr Systems Engineer; Linux​/Automation

Description

Position:
Senior Systems Engineer (Linux / Automation)

Location: Orlando, FL (On-site)

Mission Overview

Leidos isseekinga cleared Senior Systems Engineer to design, deploy, andmaintainsecure Red Hat Enterprise Linux (RHEL) infrastructure within Department of Defense (DoD) and Department of the Navy/Air Force/Army (DoW) networks. This individual will own the automated provisioning pipeline end to end — from bare-metal and virtual machine Kickstart configurations through enterprise-wide configuration management using Ansible and Bash — ensuring systems are deployed consistently, securely, and in compliance with DoD standards.

Roles and Responsibilities

• Automated Provisioning:Develop andmaintainattended/unattended RHEL OS installations using advanced Kickstart configuration files and PXE boot environments.

• Configuration Management:Write andoptimizeidempotent Ansible playbooks, roles, and collections to manage server infrastructure at scale.

• Scripting & Tooling:Build robust Bash automation scripts for custom initialization tasks, local system diagnostics, and integration glue.

• Security & Compliance:Enforce Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and Risk Management Framework (RMF) standards using automated remediation scripts.

• System Lifecycle Support:Troubleshoot complex OS-level performance issues, manage package/patch life cycles, and update technical documentation and operational runbooks.

REQUIRED Skills, Education, and Experience
:

• Education/
  
  Experience:
  
  BS degree and 8+ years of enterprise Linux system administration and engineering experience. Additional years of experience may be considered in lieu of degree.

• Certifications:DoD 8570/8140 IAT Level II or III certification (e.g., Security+ CE, CISSP).

• Clearance:US Citizen;
  Currently possessing an Active Top Secret/SCI security clearance.

• Technical Stack:

  • Expertproficiencyin Python and Bash shell scripting for system administration.

  • Deep hands‑on experience with Ansible (Playbooks, Vault, and large‑scale inventories).

  • Proven capability in designing and troubleshooting automated Kickstart installation profiles.

• Compliance Knowledge:

  • Strong familiarity with NIST controls, RMF, and automated STIG validation.

Preferred Qualifications

• Red Hat
  
  Certifications:
  
  Red Hat Certified Engineer (RHCE) or Red Hat Certified Specialist in Ansible Automation;
  Red Hat Certified Architect (RHCA) a plus.

• Enterprise Content Management:Experience administering Red Hat Satellite for patch, content, and subscription lifecycle management across large RHEL fleets.

• Extended Scripting:Working knowledge of Python in addition to Bash for automation and tooling beyond shell‑level scripting.

• Containerization:Familiarity with Red Hat Open Shift, Kubernetes, or Docker in DoD/DoWenvironments.

• CI/CD & Version Control:Experience with Git/Git Lab and CI/CD pipelines to support infrastructure‑as‑code workflows.

• Cloud Environments:Exposure to automating RHEL workloads in AWS Gov Cloud or Azure Government.

• Compliance Automation:Hands‑on experience with SCAP Compliance Checker or Evaluate‑STIG for automated hardening and assessment.

• Advanced Certification:DoD 8570/8140 IAT Level III (CASP+, CISSP, or GCIH) in lieu of Level II.

August 31, 2026

For U.S. Positions:
While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range $ - $

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to)…