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Mainframe Developer

Phoenix, AZ, US • Posted 10 hours ago • Updated 10 hours ago

Contract W2

Contract Independent

75% Travel Required

On-site

Depends on Experience

Fitment

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Job Details

Skills

Mainframe

Summary

* 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.

Responsibilities:

System Administration & Maintenance:

Install, configure, and maintain IBM z/OS operating systems.
Perform system upgrades, migrations (e.g., z/OS version upgrades), and apply maintenance (PTFs, APARs, RSUs).
Manage IPL processes, system initialization, and configuration (PARMLIB, PROCLIB, SYS1 datasets).
Monitor system health and performance using tools such as RMF, SMF, SDSF.

Subsystem Support:

Install, configure, and support key subsystems:

JES2/JES3
TSO/E, ISPF
USS (Unix System Services)
RACF (in coordination with security teams)

Work closely with DB2, CICS, IMS, MQ, and Storage teams for integration and support.

Performance & Capacity Management:

Analyze system performance metrics and implement tuning improvements.
Support capacity planning and resource optimization (CPU, memory, I/O).
Evaluate hardware upgrades (e.g., CPU/MIPS growth, z-series enhancements).

Problem Management & Troubleshooting:

Diagnose and resolve system-related issues, including system abends and failures.
Perform root cause analysis for outages and major incidents.
Work with IBM and vendors on problem determination and fixes.

Automation & Scheduling:

Develop and maintain automation using tools such as:

System REXX, CLIST
SA z/OS, NetView

Support job scheduling tools (e.g., CA7, Control-M where applicable).

Security & Compliance:

Support system-level security configurations aligned with RACF policies.
Ensure compliance with audit, regulatory, and enterprise security standards.
Assist in vulnerability remediation and patching activities.

Change & Release Management:

Execute changes through ITIL-based processes (ServiceNow or equivalent).
Prepare implementation plans, backout procedures, and validation steps.
Support weekend maintenance windows and IPL activities.

Documentation:

Create and maintain technical documentation, including:

System configurations
Standard Operating Procedures (SOPs)
Disaster Recovery plans

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 91103975A
Position Id: 9020050
Posted 10 hours ago

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Sazia Mirza

Recruiter @ Atash Enterprises, LLC

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