Mainframe CICS System Administrator

Post Date

Jul 22, 2026

Location

Gilbert,
Arizona

ZIP/Postal Code

85297
US
Oct 09, 2026 Insight Global

Job Type

Contract

Category

System Administrator

Req #

SMF-0f522bf9-cc55-4002-b0e8-c8f93e2c5e0c

Pay Rate

$40 - $50 (hourly estimate)

Job Description

Insight Global’s client, a Technical System Integrator, is seeking an experienced Mainframe CICS System Administrator to support and maintain critical enterprise mainframe environments. This individual will be responsible for the administration, performance, stability, and modernization of IBM CICS Transaction Server environments supporting mission-critical business applications. The ideal candidate will possess deep expertise in CICS administration, performance tuning, system upgrades, and production support within large-scale z/OS environments.

pay range: $45-50/hr

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Required Skills & Experience

5+ years of hands-on experience administering IBM CICS Transaction Server (CICS TS) environments.
Strong experience supporting enterprise z/OS mainframe systems.
Experience performing CICS installations, upgrades, PTF maintenance, and region administration.

Nice to Have Skills & Experience

Knowledge of disaster recovery planning and business continuity processes.
Exposure to mainframe modernization initiatives and hybrid infrastructure environments.
Familiarity with related mainframe technologies including z/OS, JES2, RACF, DB2, MQ, and IMS.

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.