Release Engineer - RHEL (7 / 8 / 9)

Job Summary

We are seeking a highly skilled and hands-on Release Engineer to lead enterprise infrastructure modernization initiatives focused on migrating large-scale environments from RHEL 7 to RHEL 9. This role requires deep expertise in Linux platform engineering, CI/CD automation, containerization, security remediation, and software supply chain modernization.

The ideal candidate will play a key role in OS migration, package engineering, Kubernetes orchestration, vulnerability remediation, and automation while working closely with cross-functional infrastructure, DevOps, security, and application teams.

Key Responsibilities:

OS Migration & Package Engineering

• Lead and execute enterprise-wide migration activities from RHEL 7 to RHEL 9.
• Troubleshoot and resolve binary compatibility, library dependency, and package management issues.
• Build, compile, and maintain open-source packages from source using tools such as GCC and Make.
• Manage the complete lifecycle of RPM packages including creation, testing, deployment, and maintenance.
• Ensure seamless migration of enterprise applications and services with minimal downtime.

Containerization & Platform Modernization

• Refactor and migrate legacy Docker-based container workflows to Podman.
• Design, deploy, and maintain Rancher-managed Kubernetes environments.
• Migrate workloads to RHEL 9 Universal Base Images (UBI) and modern container standards.
• Support platform modernization initiatives focused on scalability, automation, and operational efficiency.

Automation & CI/CD Engineering

• Develop and maintain scalable Jenkins CI/CD pipelines using Groovy Shared Libraries.
• Build automation scripts and API integrations using Python for operational efficiency and vulnerability remediation.
• Automate deployment, testing, reporting, and infrastructure management processes.
• Improve software supply chain automation and release management practices.

Security & Vulnerability Management

• Analyze vulnerability scan reports and remediate CVEs across enterprise Linux environments.
• Apply security patches, hardening standards, and compliance best practices.
• Ensure container images, dependencies, and OS builds meet enterprise security requirements.
• Collaborate with security teams to maintain secure and compliant infrastructure standards.

Required Skills & Qualifications

• 3+ years of hands-on experience with Red Hat Enterprise Linux (RHEL), including strong exposure to RHEL 9.
• Strong expertise in Linux administration, troubleshooting, and OS migration activities.
• Proficiency in Python scripting and Groovy for automation and Jenkins pipeline development.
• Hands-on experience with Jenkins CI/CD pipelines and DevOps automation.
• Experience with Docker, Podman, Kubernetes, and Rancher container platforms.
• Strong knowledge of RPM package management, source compilation, GCC, Make, and dependency management.
• Experience with vulnerability remediation, CVE patching, and security best practices.
• Hands-on experience with Ansible for infrastructure automation and configuration management.
• Strong understanding of infrastructure modernization and software supply chain security.

Preferred Qualifications

• Experience with OpenShift or enterprise Kubernetes platforms.
• Knowledge of DevSecOps methodologies and infrastructure security frameworks.
• Experience working in large enterprise or regulated environments.
• Familiarity with GitOps, Infrastructure as Code (IaC), and cloud-native practices.

Key Skills

RHEL 7/8/9, Linux Administration, Jenkins, Groovy, Python, Docker, Podman, Kubernetes, Rancher, OpenShift, RPM Packaging, GCC, Make, CI/CD Pipelines, Ansible, Vulnerability Management, CVE Remediation, Infrastructure Automation, DevOps, Platform Modernization, Containerization.