SELinux SME – APG, MD | Boston, MA

SELinux SME – APG, MD | Boston, MA

Serve as a Linux Systems Engineer with deep SELinux expertise

Engineer and support secure Linux systems in an enterprise environment (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:

Writing and managing custom SELinux policies

Interpreting AVC denials and troubleshooting access issues

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):

AWS, Azure, GCP

Kubernetes, Open Shift

Required:

Active DoD Secret Clearance Job Type: Full-time

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