> Markdown version of [/jobs/ext/2694901-mainframe-zos-system-programmer](https://www.wearedevelopers.com/jobs/ext/2694901-mainframe-zos-system-programmer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe ZOS System Programmer - **Company:** Kyndryl, Inc. - **Location:** Phoenix, AZ, United States (Remote available) - **Salary:** $79,920.0 - $152,160.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Unix, Customer Information Control System (CICS), CLIST, System Configuration, IBM DB2, DevOps, IBM Parallel Sysplex, Rexx (Programming Language), Tivoli Management Framework, Interactive System Productivity Facility (ISPF), Job Entry Subsystem 2/3, Job Scheduling, Mainframes, IBM Resource Access Control Facility, Broadcom, Software Engineering, Subsystems, System Programming, System Software, Software Vulnerability Management, Z/OS, Tso/ispf, Enterprise Software Applications, HybridCloud, Performance Monitor, Servicenow, Control M - **Published:** September 3, 2026 - **Apply:** https://www.themuse.com/jobs/kyndryl/mainframe-zos-system-programmer-732812 ## About the Role You're good at what you do and possess the required experience to prove it. However, equally as important - you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused - someone who prioritizes customer success in their work. And finally, you're open and borderless - naturally inclusive in how you work with others., * 5+ years of experience in mainframe system programming (z/OS). * Strong hands-on knowledge of z/OS, JES2/JES3, TSO/ISPF, SDSF, USS/OMVS, SMP/E. * Experience with large-scale environments (multi-LPAR, Parallel Sysplex). * Knowledge of vendor products (Broadcom, IBM, BMC). * IBM certifications (preferred but not mandatory). Preferred Experience * Exposure to mainframe modernization initiatives (APIs, hybrid cloud integration). * Experience with z/OSMF and modern interfaces. * Knowledge of DevOps practices on mainframe (CI/CD pipelines). * Exposure to Zowe and APIs on z/OS. ## Description The Mainframe z/OS System Programmer is responsible for the installation, customization, maintenance, and optimization of IBM z/OS operating systems and associated system software. This role ensures the stability, performance, security, and availability of mission-critical mainframe environments, supporting large-scale enterprise applications. * 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., Get Software Engineering jobs in Phoenix, AZ delivered to your inbox every week. Email Address*Send me The Muse newsletters for the best in career advice and job search tips. By signing up, you agree to our Terms of Service & Privacy Policy. 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 ## Related Videos - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Coffee with Developers - Robby Russell](https://www.wearedevelopers.com/videos/917-coffee-with-developers-robby-russell) - [The Time Paradox: Building Timezone-Safe Python/Django Applications](https://www.wearedevelopers.com/videos/1915-the-time-paradox-building-timezone-safe-python-django-applications) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) ## 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) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)