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Mainframe Systems Administrator

Remote, USA Full-time Posted 2026-06-13

Senior Mainframe Systems Administrator – Key Highlights Role & Responsibilities:

  • Oversee engineering, operations, and planning of IBM z/OS and third-party software (TopSecret, CA-1, BMC AMI Storage, Endevor, etc.)
  • Lead installation, configuration, and testing of mainframe software and hardware
  • Perform CICS and JobTrac administration
  • Drive capacity planning, disaster recovery planning, and annual testing
  • Mentor junior staff and provide technical leadership to infrastructure and application teams
  • Collaborate with IT leadership on technology strategy, security compliance, and major upgrade initiatives

Requirements:

  • 10+ years of mainframe engineering and support experience in large, complex environments
  • 5+ years of technical leadership experience
  • Expert-level z/OS administration including performance tuning, patching, and upgrades
  • Hands-on experience with IBM mainframe hardware, storage, and tape management systems
  • Strong knowledge of IDMS database administration, ITIL service management, and enterprise scheduling
  • Bachelor's degree in Computer Science or equivalent experience
  • Excellent communication and troubleshooting skills

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