Senior Hybrid Mainframe z/OS Systems Engineer

Motion Recruitment Partners LLC; Chandler, Northern (AZ, KY); Hybrid; USD 120,000 - 150,000; Full time

Benefits offered by this job

Medical, Dental, Vision

Vacation Time

401(k)

Life Insurance

Disability Coverage

Job summary

Motion Recruitment Partners LLC seeks a Mainframe z/OS System Programmer to join its infrastructure team in Phoenix, AZ. This full-time hybrid role requires onsite attendance three days per week.

You will maintain and optimize IBM z/OS environments, implement upgrades, monitor health, and support security initiatives while developing automation solutions and contributing to incident resolution. The position offers enterprise-level growth and collaboration across teams.

Qualifications

• Experience administering IBM z/OS environments.
• Strong understanding of JES2/JES3.
• Experience with TSO/E, ISPF, and USS.
• Knowledge of RACF administration and security concepts.
• System performance analysis using RMF, SMF, and SDSF.
• Experience with operating system upgrades and maintenance.
• Root cause analysis and production troubleshooting experience.
• Experience supporting enterprise change management processes.
• Automation experience with REXX, CLIST, NetView, or SA z/OS.

Responsibilities

• Maintain and optimize IBM z/OS operating environments.
• Implement upgrades, patches, and system enhancements.
• Monitor platform health and tune system performance.
• Support security and compliance initiatives.
• Develop and maintain automation solutions.
• Investigate and resolve infrastructure incidents.
• Participate in maintenance and deployment activities.
• Create and maintain operational documentation.

Skills

IBM z/OS Administration

JES2/JES3

TSO/E & ISPF

RACF Security

RMF/SMF/SDSF

OS Upgrades & Maintenance

Root Cause Analysis

Production Troubleshooting

REXXAutomation

Tools

REXX

CLIST

NetView

SA z/OS

Job description

Motion Recruitment Partners LLC seeks a Mainframe z/OS System Programmer to join its infrastructure team in Phoenix, AZ. This full-time hybrid role requires onsite attendance three days per week.

You will maintain and optimize IBM z/OS environments, implement upgrades, monitor health, and support security initiatives while developing automation solutions and contributing to incident resolution. The position offers enterprise-level growth and collaboration across teams.