Red Hat Linux Administrator

Genesis10 • Plano, TX

3d • Onsite

About The Position

Genesis10 is seeking a highly experienced Red Hat Linux Administrator to support large-scale patching, upgrades, and operational management of a 5000+ server Hadoop ecosystem running on RHEL 8.x and 9.x. The role requires strong automation skills, hands-on troubleshooting expertise, and the ability to operate effectively in a high-availability enterprise environment. This position requires a Tuesday–Saturday or Wednesday–Sunday schedule, working either 5 PM to 1 AM CT or 10 PM to 6 AM CT. This role requires participation in off-hours and night shift activities to support scheduled patching windows.

Requirements

• Approximately 5–8 years of Linux administration experience
• Experience supporting thousands of servers in a large enterprise environment
• Strong Linux patching and post-patching troubleshooting experience
• Hands-on support of physical/bare-metal servers
• Experience with server builds and vulnerability remediation
• Ability to access and repair systems through single-user mode, recovery consoles, or remote management consoles
• Knowledge of Linux services and troubleshooting tools, including SSSD, SSH, system logs, and service management
• Ansible experience is preferred; Terraform experience may also be helpful
• Previous banking or financial-services experience is preferred
• Previous experience with internal tools such as ITSM or Remedy is beneficial
• Collaborative, team-oriented mindset and willingness to learn

Nice To Haves

• RHCE (Red Hat Certified Engineer) certification
• Experience with the Hadoop ecosystem (Cloudera / Hortonworks or similar)
• Experience with Enterprise system management tools
• Strong knowledge of TCP/IP networking and Client-server architectures
• Familiarity with remote server management tools (DRAC, IPMI, Redfish, etc.)
• Excellent troubleshooting and analytical skills in production environments

Responsibilities

• Perform OS lifecycle management, including software installations, kernel patching, system updates, OS upgrades, and library management
• Manage and maintain Linux file systems, ensuring performance, capacity, and integrity
• Execute and automate patching and vulnerability remediation using BladeLogic, Ansible, and Shell scripting
• Develop automation solutions to optimize repetitive operational tasks and improve efficiency
• Troubleshoot and resolve issues related to OS failures post-patching, system performance degradation, and filesystem inconsistencies
• Perform system failure analysis, recovery, and root cause analysis (RCA)
• Support hardware and software configuration management
• Provide production support and incident resolution in a large-scale distributed environment

Benefits

• Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.
• The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
• Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
• Behavioral Health Platform
• Medical, Dental, Vision
• Health Savings Account
• Voluntary Hospital Indemnity (Critical Illness & Accident)
• Voluntary Term Life Insurance
• 401K
• Sick Pay (for applicable states/municipalities)
• Commuter Benefits (Dallas, NYC, SF, and Illinois)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed