Mainframe CICS System Administrator

External job listingat Rallycloudtech

Mainframe CICS System Administrator in Phoenix, AZ. Hybrid, onsite 3 days a week. Share your updated resume by email.

External source - not verified2 weeks agoOpen until: Jan 11, 2027

Salary

Not provided

Location

Phoenix, United States

Employment type

Full time

Workplace

Not provided

Mainframe CICS System Administrator

Phoenix, United States

Job description

Tasks

  • Install, upgrade, and maintain CICS Transaction Server (CICS TS) environments.
  • Apply PTFs and patches, manage version upgrades, and perform regression testing.
  • Configure and maintain Production, Test, and Disaster Recovery (DR) CICS regions.
  • Maintain startup parameters and System Initialization Tables (DFHSIT).
  • Monitor transaction performance and system health using OMEGAMON, MainView, or TMON.
  • Analyze transaction response times, CPU utilization, and storage usage.
  • Identify performance bottlenecks and implement tuning solutions.
  • Troubleshoot complex CICS issues and help ensure system stability and availability.

Requirements

  • Strong experience in Mainframe CICS System Administration.
  • Hands-on experience with CICS Transaction Server (CICS TS).
  • Knowledge of PTF maintenance, upgrades, and regression validation.
  • Experience with CICS region configuration and DFHSIT parameters.
  • Expertise in performance monitoring and tuning tools such as OMEGAMON, MainView, or TMON.
  • Strong troubleshooting and problem-solving skills.

Schedule

  • Hybrid – Onsite 3 Days a Week

How to apply

  • Share your updated resume by email.
  • Mention visa status and location.

Location

  • Phoenix, AZ
  • Candidates willing to relocate to Phoenix, AZ, are welcome.

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