Job Description

Title:Senior Red Hat Enterprise Linux (RHEL) 9 Consultant Location: San Antonio, Texas *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense. Position Overview: We are seeking highly skilled and motivated Senior RHEL 9 Consultants to support a mission-critical government program in a secure environment. The ideal candidate will possess strong expertise in Red Hat Enterprise Linux (RHEL) 9 , with a deep understanding of Red Hat Ansible Automation Platform (AAP) at Level 2 or higher. The role involves working closely with infrastructure technologies, including OpenShift Container Platform (OCP) , Red Hat Satellite (SAT) , and Red Hat Trusted Application Pipeline . Key Responsibilities: Deploy, configure, manage, and support RHEL 9 systems in a secure, mission-critical environment. Develop and maintain Ansible automation playbooks and workflows using Red Hat AAP (Ansible Automation Platform) . Collaborate with DevOps and platform engineering teams to support containerized workloads using OpenShift (OCP) . Manage system patching, provisioning, and configuration using Red Hat Satellite (SAT) . Support CI/CD initiatives and secure application development pipelines via Red Hat Trusted Application Pipeline (preferred). Troubleshoot system performance and availability issues across infrastructure platforms. Ensure systems and environments meet government security and compliance standards. Required Qualifications: Minimum of 5+ years of hands-on experience with RHEL, including administration and troubleshooting in enterprise environments. Proficient in Red Hat Ansible Automation Platform (AAP) – Level 2 or equivalent experience. Experience with RHEL 9 in production settings. Familiarity with OpenShift , Red Hat Satellite , and enterprise-grade automation practices. Security+ or other DoD-approved IAT Level II certification (per DoD 8570 requirements). Preferred Qualifications: Experience with Red Hat Trusted Application Pipeline . Red Hat Certified Engineer (RHCE) or other Red Hat certifications. Strong scripting skills (e.g., Bash, Python). Familiarity with Agile methodologies and DevSecOps practices. #J-18808-Ljbffr Cornerstone Defense LLC

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