A leading enterprise technology organization is seeking a Mainframe z/OS System Programmer to join its infrastructure team in Phoenix, Arizona. This is a full-time hybrid position requiring onsite attendance three days per week. The environment includes IBM z/OS, RACF, JES2/JES3, REXX, NetView, DB2, CICS, IMS, MQ, and enterprise scheduling and automation platforms.
Required Skills & Experience
* 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
Desired Skills & Experience
* Experience supporting DB2, CICS, IMS, or MQ environments
* Capacity planning and performance engineering experience
* ServiceNow experience
* Disaster recovery planning and testing experience
* Mainframe modernization project exposure
What You Will Be Doing
* 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
Tech Breakdown
* 40% IBM z/OS Administration
* 25% Performance & Capacity Management
* 20% Automation & Tooling
* 15% Security, Compliance & Change Management
Daily Responsibilities
* 75% Hands-on Technical Work
* 5% Leadership / Mentorship
* 20% Team Collaboration
The Offer
* Competitive base salary
* Potential annual bonus eligibility
* Enterprise-level technical growth opportunities
Benefits
* Medical, Dental, Vision
* Vacation Time
* 401(k)
* Life Insurance
* Disability Coverage
Applicants must be currently authorized to work in the U.S. on a full-time basis now and in the future. #J-18808-Ljbffr
Required Skills & Experience
* 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
Desired Skills & Experience
* Experience supporting DB2, CICS, IMS, or MQ environments
* Capacity planning and performance engineering experience
* ServiceNow experience
* Disaster recovery planning and testing experience
* Mainframe modernization project exposure
What You Will Be Doing
* 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
Tech Breakdown
* 40% IBM z/OS Administration
* 25% Performance & Capacity Management
* 20% Automation & Tooling
* 15% Security, Compliance & Change Management
Daily Responsibilities
* 75% Hands-on Technical Work
* 5% Leadership / Mentorship
* 20% Team Collaboration
The Offer
* Competitive base salary
* Potential annual bonus eligibility
* Enterprise-level technical growth opportunities
Benefits
* Medical, Dental, Vision
* Vacation Time
* 401(k)
* Life Insurance
* Disability Coverage
Applicants must be currently authorized to work in the U.S. on a full-time basis now and in the future. #J-18808-Ljbffr
Mainframe z/OS System Programmer in chandler at Unknown Company
This position is listed as full time and hybrid.