SELinux Engineer

• Serve as a Linux Systems Engineer with deep SELinux expertise

• Engineer and support secure Linux systems in an enterprise environment o (e.g., Red Hat, CentOS, Rocky Linux)

• Configure SELinux, write policies, tune, and debug to meet security requirements
• Harden, maintain, and enhance a secure enterprise environment
• Develop SELinux policies, enforcement, and troubleshooting in Red Hat-based OS
• Align engineering, development, and automation with DoD/IC compliance controls
• Analyze and optimize system/application behavior in confined SELinux contexts
• Enforce MAC policies in collaboration with development and security teams
• Prepare and maintain required technical documentation (system-level and user-level)
• Support system baselining, technical evaluations, and configuration standardization
• Perform O&M tasks including OS patching, upgrades, and security updates

• BS in Computer Science or related field
• 5+ years of experience in Linux systems engineering and administration

• Strong, hands-on experience with SELinux: o Writing and managing custom SELinux policies o Interpreting AVC denials and troubleshooting access issues o Tools like audit2allow, semanage, setroubleshoot, and checkmodule

• Deep experience with Red Hat derivatives: RHEL, CentOS, Rocky Linux
• Skilled in shell scripting and Linux command-line administration
• Proficiency in scripting languages: Python, Bash, Ruby, PHP
• Experience with IaC and config management tools: Ansible, Puppet, Foreman
• Experience with containerization and cloud platforms (preferred): o AWS, Azure, GCP o Kubernetes, OpenShift

Active Secret Security Clearance Job Type: Full-time Salary: $100,000-$140,000