System Administrator

We are seeking an experienced System Administrator to support enterprise z/OS environments, including system builds, software installation, upgrades, migrations, and disaster recovery activities.

Key Responsibilities

• Install and maintain z/OS (MVS) software using SMP/E
• Perform software packaging, zaps, PTFs, HIPERs, and product upgrades
• Support Maintenance IPLs, system refreshes, migrations, and CPU swaps
• Execute LPAR builds, decommissions, and zLinux LPAR creation
• Perform Disaster Recovery drills and system recovery activities
• Maintain Coupling Facility / Sysplex, IOGENs, and I/O configurations
• Manage OMVS / USS / zFS, web server and HTTP activities
• Update and reassemble system exits
• Process SMF data and maintain system profiles
• Apply software license keys and maintain asset records
• Participate in audits, vulnerability remediation, and change management
• Provide 24x7 on‑call support as part of a rotation
  

Required Skills

• Strong experience with z/OS System Programming
• Expertise with SMP/E, software installation, and maintenance
• Experience with DR, IPLs, migrations, and hardware refreshes
• Knowledge of Sysplex, Coupling Facility, IOGENs
• Familiarity with OMVS / USS / zLinux
• ITIL processes: Incident, Problem, Change, Asset Management
• REXX, Assembler, and ISPF dialog scripting experience
  

Nice to Have

• zLinux SME experience
• Large enterprise or regulated environment background