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# z/OS System Programmer /Mainframe System Programmer

- **Company:** Pyramid Consulting Inc.
- **Location:** St. Louis, MO, United States
- **Experience:** Expert
- **Salary:** $114,400 - $124,800
- **Contract:** Permanent contract
- **Skills:** Computer Programming, Disaster Recovery, IBM Parallel Sysplex, Job Entry Subsystem 2/3, Mainframes, MVS (OS), Subsystems, System Programming, Z/OS, System Availability
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/z-os-system-programmer-mainframe-system-programmer-saint-louis-mo--829b72e9-74ee-42d4-8e0e-cd123a8d2940

## About the Role

Systems/Internals Programming, IBM z-OS Operating System, Mainframe Computer, Employee Benefits, Systems/Internals Programming, IBM z-OS Operating System, Operating Systems, IBM MVS Operating System, IBM Job Entry Subsystem, IBM Sysplex, Key Requirements and Technology Experience:

 * Skills:Strong experience in z/OS System Programming
 * MVS, JES2
 * Sysplex, LPAR
 * HCD / IODF configuration
 * SMP/E
 * z/OS Upgrade & RSU Maintenance
 * ISV Product Maintenance
 * Incident Management & RCA
 * Disaster Recovery (DR) support
 * System Automation tools/methodologies
 * 10+ years of experience in z/OS system programming
 * Experience in enterprise mainframe environments (Banking/Insurance preferred)
 * Exposure to high-availability and mission-critical systems

## Description

Immediate need for a talented z/OS System Programmer /Mainframe System Programmer . This is a 12+ Months Contract opportunity with long-term potential and is located in Saint Louis MO (Remote). Please review the job description below and contact me ASAP if you are interested., * System Programming & Platform Management

 * Lead installation, customization, and maintenance of z/OS operating system environments
 * Manage core components including MVS, JES2, Sysplex, and LPAR configurations
 * Administer and maintain HCD/IODF definitions for hardware and I/O configuration
 * Perform system-level tuning and optimization to ensure high availability and performance
 * Maintenance & Upgrades
 * Plan and execute z/OS upgrades, RSU maintenance, and patching cycles
 * Manage SMP/E for software installation, maintenance, and CSI handling
 * Oversee lifecycle management of ISV products, including upgrades and vendor coordination
 * Incident & Problem Management
 * Provide L3 support for critical incidents, ensuring timely resolution of Sev1/Sev2 issues
 * Lead Root Cause Analysis (RCA) and implement preventive actions
 * Ensure adherence to SLA commitments and service quality standards
 * High Availability, DR & Resilience
 * Support Disaster Recovery (DR) planning and execution, including drills and failover validation
 * Ensure system readiness for business continuity through Sysplex resilience and redundancy
 * Collaborate with cross-functional teams for infrastructure risk mitigation
 * Automation & Operational Excellence
 * Drive automation initiatives to improve operational efficiency and reduce manual effort
 * Implement and maintain system automation frameworks for monitoring and recovery
 * Continuously improve processes aligned to ITIL best practices
 * Leadership & Stakeholder Management
 * Provide technical leadership and mentorship to junior system programmers
 * Collaborate with application teams, infrastructure teams, and vendors for solution delivery
 * Participate in customer discussions, audits, and transformation initiatives