Sr. Technical Support Engineer - Level 3 (AIX/Linux)

Key Responsibilities:

• Systems Administration & Support:
• Perform advanced support and troubleshooting for IBM AIX and enterprise Linux systems.
• Manage LPAR configurations and troubleshoot HMC-managed Power Systems.
• Maintain high availability, performance, and reliability of customer environments.
• Participate in an on-call rotation for escalated support outside normal business hours.
• Patch Management, Security & Recovery:
• Plan and implement OS patches, firmware updates, and security hardening.
• Manage and test backup/restore and disaster recovery procedures.
• Conduct regular vulnerability scans and coordinate remediation efforts.
• Containers & Virtualization:
• Support deployment and management of containerized workloads using Docker and Kubernetes.
• Work with Linux-based VMs and virtualization technologies (KVM, VMware, PowerVM).
• Monitoring & Documentation:
  • Proactively monitor system health and respond to incidents.
  • Maintain detailed documentation (procedures, configurations, diagrams, runbooks).
  • Log and track time spent on tasks accurately for billing and workload visibility.
  • Team Collaboration & Customer Interaction:
  • Act as an L3 escalation point for junior engineers.
  • Collaborate with internal teams and communicate directly with customers as needed.
  • Provide root cause analysis, status reports, and contribute to continuous improvement.

• Requirements:

  • Experience:
  • 8-10+ years of IBM AIX systems administration (vios, lpar, nim, hmc).
  • 10+ years supporting Linux environments (RedHat, CentOS, Ubuntu, or SUSE).
  • Experience with HMC/LPAR troubleshooting.
  • Familiarity with on-call operations and support ticket workflows.
  • Technical Skills:
  • Proficiency in shell scripting (Bash, Korn, etc.) and automation tools (Ansible, Python).
  • Strong understanding of TCP/IP networking, DNS, storage (SAN/NAS), and backup tools.
  • Experience with Kubernetes (highly desired) and Docker or similar container platforms (preferred).
  • Experience in multi-tenant or MSP-style environments is a plus.
  • Soft Skills:
  • Self-motivated and able to manage tasks independently in a remote setting.
  • Strong time management and documentation discipline.
  • Excellent verbal and written communication skills.
  • Team-oriented, with a proactive approach to problem-solving.

  Preferred Certifications:

  • IBM Certified System Administrator – AIX
  • Red Hat Certified Engineer (RHCE)
  • Certified Kubernetes Administrator (CKA)
  • CompTIA Security+ or equivalent

  Work Environment:

  • Remote position with occasional travel (10–15%) for client or team meetings.
  • Participation in a rotating on-call schedule.
  • Must have access to reliable high-speed internet and secure working environment.