Linux Administrator

• 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

We are 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, and requires participation in off-hours and night shift activities to support scheduled patching windows., * 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

Desired skills:

• 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

Genesis10 is currently seeking a Red Hat Linux Administrator for a contract position with a Global Financial Institution located in Plano, TX. This is a 12+ month contract opportunity., Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:

• 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), For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.