Mainframe CICS System Administrator

TL;DR

Mainframe CICS System Administrator (CICS/z/OS): Install, upgrade, and maintain CICS Transaction Server environments while monitoring transaction performance and system health with an accent on performance tuning, patch/PTF management, and reliable operation across production, test, and DR regions. Focus on eliminating bottlenecks, managing CICS regions and initialization parameters, and preventing future issues through proactive administration and validation.

Location: Phoenix, AZ, USA (3 days onsite per week; Phoenix Metro Area). Candidates must live in or around the Phoenix, AZ area; relocation to the area will be considered.

Salary: $61,560–$146,640 (U.S. compensation range for a full-time schedule)

Company

hirify.global designs, builds, manages, and modernizes mission-critical technology systems.

What you will do

• 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), including startup parameters and system initialization tables (DFHSIT).
• Monitor transaction performance and system health using tools such as OMEGAMON/MainView/TMON.
• Analyze CPU utilization, storage usage, and transaction response times; perform tuning to eliminate bottlenecks.
• Participate in on-call rotation with engineering teams.

Requirements

• Location: Must live in or around the Phoenix, AZ area and be onsite 3 days a week; relocation to the area is acceptable.
• Minimum 5+ years of experience in Mainframe CICS.
• Proven experience in CICS System Administration, including work management, user management, journal management, and performance management.
• Experience with CICS Transaction Server and related ISV products, including upgrading/installing and migrating CICS Transaction servers.
• Capable of upgrading/installing and supporting IBM & ISV products, including P2V, V2V, and P2P migrations.
• Basic knowledge of z/OS, Unix System Services, SMP/E, REXX, Java, VSAM, and third-party products.

Nice to have

• Knowledge of Assembler, COBOL, CICS, and DB2.
• Excellent troubleshooting and customer service skills.
• Ability to work independently and as part of a team; follow projects through completion.

Culture & Benefits

• Opportunities to gain certifications and qualifications on the job; continuous growth toward architect or distinguished engineer paths.
• Comprehensive benefits package including medical and dental coverage, disability, retirement benefits, paid leave, and paid time off.
• Eligible for a discretionary annual bonus program based on performance (subject to plan terms).
• On-call rotation with engineering teams.
• Learning programs and access to industry certifications; volunteering and giving platform.

Hiring process

• Applications accepted on a rolling basis.
• Interview and evaluation process for qualified applicants (details not specified).