Senior Unix Administrator

Traverse Technology Services

Scope is below:

• Administer, configure, and maintain AIX and Linux servers in physical, virtual, and cloud environments.
• Manage LPARs, VIO servers, Power VM virtualization, Power Hardware and HMCs, including configuration, patching, and performance tuning.
• GPFS and PowerHA cluster administration
• Perform Firmware upgrades, patch management, Implement and maintain NIM servers, alternate disk installation etc.
• Administer, configure, and maintain Linux servers - RHEL, Ubuntu, etc.
• Familiarity with virtualization (VMware/KVM) and cloud platforms (AWS, Azure, GCP).
• Conduct vulnerability assessments, Hardening and remediation in coordination with cybersecurity teams
• Monitor system performance and troubleshoot hardware/software issues.
• perform advanced kernel tuning, performance optimization, and capacity planning.
• Automate routine tasks using shell scripting , Ansible or any other automation tool
• Collaborate with application, database, and network teams to support business-critical systems.
• Lead root cause analysis (RCA) and post-incident reviews for critical system outages.
• Participate in disaster recovery planning and testing.
• Provide 24x7 on-call support as part of a rotation schedule.
• 10+ yrs to manage, maintain, and optimize our UNIX-based infrastructure.
• Expertise in IBM AIX and secondary experience in Linux distributions, particularly Red Hat Enterprise Linux (RHEL).
• Strong focus on system performance, security, automation, and high availability to ensure the reliability and efficiency of critical systems.
• Exposure to cloud platforms such as AWS and Azure will be a strong advantage