We are seeking an experienced Mainframe Systems Engineer / zOS Specialist to join a customer environment based in Brooklyn, Pretoria.
The successful candidate will be responsible for the day-to-day operation, implementation, configuration, and maintenance of the Mainframe infrastructure, including z hardware and z/OS software environments. The role requires strong technical expertise across Mainframe systems administration, third-party product support, storage management, disaster recovery, and business continuity activities.
This position works closely with multiple engineering teams to support the integrated Mainframe ecosystem and ensure stability, performance, and operational excellence across the environment.
Requirements
Mainframe Operations & Administration
• Manage the day-to-day operation and support of the Mainframe environment
• Implement, configure, maintain, and support z hardware and z/OS software
• Perform system monitoring, troubleshooting, tuning, and performance management
• Support Mainframe operational stability, availability, and resilience
Installation, Upgrades & Lifecycle Management
• Perform z/OS software installations, upgrades, patching, and maintenance
• Install, configure, and maintain third-party z/OS program products
• Manage software lifecycle activities and environment optimisation
• Support Research & Development initiatives relating to Mainframe technologies
Storage, Network & Systems Management
• Administer storage management environments including DFSMS and DFSMShsm
• Support Mainframe network management and TCP/IP configuration
• Manage system resources, storage allocation, backup, and recovery activities
• Support HCD configuration and Mainframe hardware definitions
Disaster Recovery & Business Continuity
• Participate in Disaster Recovery planning, testing, and execution activities
• Support Business Continuity initiatives and operational readiness processes
• Ensure Mainframe environments align with operational recovery standards and procedures
Collaboration & Engineering Support
• Work closely with multiple engineering and infrastructure teams
• Support integrated enterprise solutions delivered through the Mainframe platform
• Participate in technical problem-solving, change implementation, and operational planning
Required Skills & Experience
Essential Technical Skills
• Strong experience supporting z/OS Operating Systems and related subsystems
• Experience with:
o HCD
o TCP/IP
o SMP/E
o RMF
o CICS
o MQ
• Experience installing and configuring third-party z/OS products
• Strong understanding of Storage Management environments
• Experience with DFSMS and DFSMShsm
• Experience with BMC Control Products
Additional Requirements
• Strong troubleshooting and problem-solving skills
• Ability to work within highly technical enterprise environments
• Experience supporting operational stability, upgrades, and DR activities
• Strong collaboration and communication skills
Preferred Experience
• Experience within enterprise or financial services environments
• Exposure to large-scale Mainframe infrastructure environments
• Experience participating in business continuity and disaster recovery exercises
