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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe z/OS Systems Programmer - **Company:** Motion Recruitment Partners LLC. - **Location:** Phoenix, AZ, United States - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), CLIST, IBM DB2, Disaster Recovery, Rexx (Programming Language), Tivoli Management Framework, Identity and Access Management, Interactive System Productivity Facility (ISPF), Job Entry Subsystem 2/3, Mainframes, Automation of Marketing, Performance Tuning, IBM Resource Access Control Facility, Z/OS, Software Troubleshooting, Reliability of Systems, Performance Monitor, Servicenow - **Published:** August 12, 2026 - **Apply:** https://www.dice.com/job-detail/f517fd3d-47d5-4e92-92a1-0ef8f7eaec09 ## About the Role A well-established enterprise technology organization is seeking a Mainframe z/OS Systems Programmer to join its infrastructure team in Phoenix, Arizona.This is a full-time hybrid position requiring three days onsite per week. The environment includes IBM z/OS, RACF, JES2/JES3, REXX, NetView, DB2, CICS, IMS, MQ, and enterprise automation platforms that support mission-critical business operations. This opportunity is ideal for experienced mainframe professionals who enjoy solving complex infrastructure challenges, improving system reliability, and contributing to modernization initiatives. The organization is investing in automation, performance optimization, security enhancement, and long-term platform stability. Candidates will have the opportunity to work within a large-scale enterprise environment while maintaining strong technical ownership of mission-critical systems. Required Skills & Experience * Experience administering IBM z/OS environments * Strong knowledge of JES2 and/or JES3 * Experience with TSO/E, ISPF, and USS * RACF administration and security management experience * Knowledge of RMF, SMF, and SDSF performance monitoring tools * Experience performing z/OS upgrades and maintenance activities * Strong troubleshooting and root-cause analysis skills * Experience supporting enterprise change management processes * Automation experience using REXX, CLIST, NetView, or SA z/OS ## Description * Experience supporting DB2 environments * Experience supporting CICS, IMS, or MQ * Capacity planning and performance engineering background * ServiceNow experience * Disaster recovery planning and testing experience * Exposure to mainframe modernization programs What You Will Be Doing * Administer and maintain IBM z/OS operating systems * Implement system upgrades, patches, and maintenance activities * Monitor platform health and optimize performance * Support security, compliance, and access management initiatives * Create and maintain automation solutions * Troubleshoot and resolve production incidents * Participate in change implementation activities * Develop and maintain operational documentation Tech Breakdown * 40% IBM z/OS Administration * 25% Performance & Capacity Management * 20% Automation & Scripting * 15% Security, Compliance & Change Management Daily Responsibilities * 75% Hands-on Technical Work * 5% Mentorship & Knowledge Sharing * 20% Team Collaboration ## Related Videos - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Goodbye Microservices, Hello Self-Contained Systems](https://www.wearedevelopers.com/videos/100009-goodbye-microservices-hello-self-contained-systems) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)