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Cornerstone Defense

Senior Red Hat Enterprise Linux (RHEL) 9 Consultant

Cornerstone Defense, San Antonio, Texas, United States, 78208

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Location: San Antonio, Texas Type: Contract Job #3662 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.