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Mainframe CICS System Administrator

Drunix Solution IncPhoenix, AZ🇺🇸United StatesPosted 11 Aug 2026

Why This Role Stands Out

This role offers a fantastic opportunity to work with cutting-edge mainframe technology and solve complex challenges for major clients, fostering significant professional growth. You'll thrive here if you're a proactive problem-solver eager to expand your expertise in CICS administration and maintenance. Apply now to join a dynamic team and make a real impact!

Quick Overview

Work Type
On Site
Level
Mid Senior

Job Description

Mainframe CICS System Administrator
Phoenx, AZ (Onsite)

As a Mainframe CICS System Administrator, you’ll solve complex problems and identify potential future issues across the spectrum of platforms and services. You’ll be at the forefront of new technology and modernization, working with some of our biggest clients – which means some of the biggest in the world.

* This role requires employees to live in or around the Phoenix, AZ area. You will be responsible to be onsite 3 days a week. We will consider candidates who are willing to relocate to the area.

 

CICS Administration & Maintenance:

  • Install, upgrade, and maintain CICS Transaction Server (CICS TS) environments
  • Apply patches (PTFs), manage version upgrades, and perform regression validation
  • Configure and maintain CICS regions (production, test, DR)
  • Maintain startup parameters and system initialization tables (DFHSIT)

 

Performance Monitoring & Tuning:

  • Monitor transaction performance and system health using tools such as:
    • OMEGAMON / MainView / TMON
  • Analyze:
    • Transaction response times
    • CPU utilization
    • Storage usage

Perform tuning to eliminate bottlenecks

Skills

Phoenix

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