z/OS Mainframe Systems Programmer

Overview

As a z/OS Mainframe Systems Programmer, you drive the installation, upgrade, and ongoing maintenance of IBM z/OS and related mainframe software in large, mission-critical environments. You will manage Parallel Sysplex-based systems to ensure high availability, performance, and compliance, collaborating with cross-functional teams and guiding junior members. The role combines hands-on engineering with problem solving and strategic planning for disaster recovery and modernization. This is an opportunity to shape enterprise-scale infrastructure within a renowned, innovative organization.

Pay / Benefits

• comprehensive benefits package
• health and wellbeing focus
• global career opportunities

Responsibilities

• Install, configure, customize, upgrade, and maintain IBM z/OS operating systems
• Manage and support IBM and CA/Broadcom system software across enterprise environments
• Plan and execute OS upgrades and maintenance using SMP/E
• Administer and support large-scale Parallel Sysplex environments for high availability
• Perform system performance monitoring, capacity planning, and resource optimization
• Analyze and resolve complex system-level issues involving z/OS, middleware, and infrastructure
• Collaborate with application support, infrastructure, security, and operations teams to ensure stability
• Implement software maintenance, fixes, service packs, and vendor updates
• Support disaster recovery, business continuity, and HA initiatives
• Maintain security controls and compliance with standards
• Create and maintain technical documentation and runbooks
• Participate in root cause analysis and problem management
• Provide guidance and mentoring to junior team members
• Support production implementations and planned maintenance, including off-hours work

Key requirements

• 10+ years of hands-on experience in z/OS Systems Programming
• Deep knowledge of z/OS OS, SMP/E, TSO/ISPF, USS, SDSF, JCL, RACF
• Strong expertise in Parallel Sysplex implementation and administration
• Extensive experience with IBM and CA/Broadcom mainframe products
• Experience in large enterprise environments, preferably Banking/Financial Services
• Strong troubleshooting and problem-solving capabilities
• Ability to independently manage complex technical assignments
• Excellent verbal and written communication skills
• Experience supporting mission-critical production environments with stringent SLA requirements

• excellent communication
• collaboration with cross-functional teams
• self-starter and independent work style
• z/OS
• SMP/E
• TSO/ISPF

…