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z/OS Mainframe Systems Programmer - NTT DATA
Systems Engineer
We're looking for a Systems Engineer focused on designing and building scalable technical solutions. This mid level role requires 9+ years of relevant experience.
About the role
- Install, configure, customize, upgrade, and maintain IBM z/OS operating systems.
- Manage and support IBM and CA/Broadcom system software products across enterprise environments.
- Plan and execute operating system upgrades and software maintenance activities using SMP/E.
- Administer and support large-scale Parallel Sysplex environments to ensure high availability and performance.
- Perform system performance monitoring, capacity planning, and resource optimization.
- Analyse and resolve complex system-level issues involving z/OS, middleware, and infrastructure components.
- Work closely with application support, infrastructure, security, and operations teams to ensure platform stability.
- Implement software maintenance, fixes, service packs, and vendor-recommended updates.
- Support disaster recovery, business continuity, and high-availability initiatives.
- Maintain system security controls and ensure compliance with organizational standards.
- Create and maintain technical documentation, procedures, and operational runbooks.
- Participate in root cause analysis and problem management activities.
- Provide technical guidance and mentoring to junior team members.
- Support production implementations and planned maintenance activities, including off-hours and weekend work when required.
- 10+ years of hands-on experience in z/OS Systems Programming.
- Deep knowledge of:
- z/OS Operating System
- SMP/E
- TSO/ISPF
- UNIX System Services (USS)
- SDSF
- JCL
- RACF
- Strong expertise in Parallel Sysplex implementation and support as well as Parallel Sysplex architecture and administration
- Extensive experience installing, configuring, customizing, supporting and maintaining multiple IBM and CA/Broadcom mainframe products.
- Experience working in large enterprise environments, preferably within Banking or 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.
- Experience with ACF2 Security Administration.
- Knowledge of GDPS (Geographically Dispersed Parallel Sysplex) environments.
- Working knowledge of:
- Assembler
- REXX
- OMEGAMON
- RMF
- SMF
- SAS
- Experience with automation and operational tooling in mainframe environments.
- Understanding of disaster recovery and high-availability architectures.
- Exposure to hybrid infrastructure environments and modernization initiatives.
- Industry certifications related to IBM Z Platforms or Mainframe Systems Programming are desirable.