Release Engineer (contract)

Role Overview We are seeking a highly skilled Release Engineer / Platform Engineer to support a large-scale enterprise infrastructure modernization initiative. This role focuses on migrating environments from RHEL 7 to RHEL 9 and driving platform modernization efforts, including containerization, CI/CD automation, package engineering, and security remediation.

Key Responsibilities

• OS Migration & Package Engineering
• Lead migration of applications and services from RHEL 7 to RHEL 9
• Resolve binary compatibility and library dependency issues
• Build and compile open-source packages from source code
• Troubleshoot and resolve package-related issues
• Manage the lifecycle of RPM packages
• Containerization & Orchestration
• Refactor legacy container workflows from Docker to Podman
• Architect, deploy, and maintain Rancher-managed Kubernetes environments
• Support migration to RHEL 9 Universal Base Images (UBI)
• Automation & CI/CD
• Develop and maintain Jenkins pipelines using Groovy shared libraries
• Build automation tools and integrations using Python
• Enable scalable, code-driven CI/CD pipeline solutions
• Vulnerability & Security Management
• Review vulnerability scan reports and remediate identified CVEs
• Ensure compliance with RHEL 9 security standards and benchmarks
• Maintain secure software supply chain practices

Required Technical Skills

• Strong hands-on experience with Red Hat Enterprise Linux (RHEL), especially RHEL 9
• Expertise in Linux administration and troubleshooting
• Proficiency in Python scripting and development
• Experience with Groovy scripting (Jenkins DSL)
• Hands-on experience with Docker, Podman, Kubernetes, and Rancher
• Strong experience with Jenkins and CI/CD pipelines
• Familiarity with build systems such as Make, CMake, and GCC
• Experience in vulnerability remediation and security hardening
• Proficiency with Ansible for large-scale OS configuration

Nice to Have

• Experience with enterprise-scale migrations or platform modernization initiatives
• Exposure to DevSecOps practices

The pay range that the employer in good faith reasonably expects to pay for this position is $39.86/hour - $62.29/hour.

Our offered benefits include medical, dental, vision and retirement benefits. Applications will be accepted on an ongoing basis. Tundra Technical Solutions is among North America’s leading providers of Staffing and Consulting Services. Our success and our clients’ success are built on a foundation of service excellence. We are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic. Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law, including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Unincorporated LA County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: client provided property, including hardware (both of which may include data) entrusted to you from theft, loss or damage; return all portable client computer hardware in your possession (including the data contained therein) upon completion of the assignment, and; maintain the confidentiality of client proprietary, confidential, or non-public information. In addition, job duties require access to secure and protected client information technology systems and related data security obligations.