Mainframe ZOS System Programmer

Position: Mainframe ZOS System Programmer)
## Mainframe ZOS System Programmer)
Apply remote type:
Partially Remote locations:
Phoenix, AZ, USAtime type:
Full time posted on:
Posted Todayjob requisition :
R-59686
** Who We Are
** At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward – always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities.
** The Role
** 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.

Automation & Scheduling:
* Develop and maintain automation using tools such as:  + System REXX, CLIST  + SA z/OS, Net View
* 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 (Service Now 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
** Your Future at Kyndryl
** Every position at Kyndryl is an opportunity to be part of something bigger. We’re committed to your growth and development—because when you succeed, we succeed. In this role, you’ll gain exposure to global projects, cutting-edge technologies, and strategic initiatives that shape the future of businesses worldwide. Your career path doesn’t stop here. Whether you want to deepen your expertise, broaden your skills, or move into leadership, we’ll support you with learning programs, mentorship, and opportunities to take on new challenges.

At Kyndryl, your future is yours to shape.

Kyndryl currently does not require employees to be fully vaccinated against COVID-19, however, if you are hired to work at a client, customer, or partner location, you may be required to show proof of vaccination to align with their respective COVID-19 vaccination policies.  Those who believe they are eligible may apply for a medical or religious accommodation prior to the start of employment.
** Who You Are
** You’re good at what you do and possess the required experience to prove it.…