Senior Mainframe z/OS System Administrator

TEAMLEASE DIGITAL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 180,000; Full time

Job summary

TEAMLEASE DIGITAL SINGAPORE PTE. LTD. is seeking an experienced Mainframe System Administrator / z/OS System Programmer to support and manage the organization's mainframe infrastructure.

You will handle administration, maintenance, and enhancement of CICS, MQ, z/OS, and related hardware, storage, and tape technologies, ensuring security, availability, and compliance. The role involves leading host platform strategy, architecture, and projects, providing L3 support, and coordinating with vendor

Qualifications

• Hands-on experience with Mainframe operating systems and administration, including z/OS, TSO, JES2, ISPF, RACF, JCL, CICS, MQ.
• Experience with mainframe hardware, storage, and system software to ensure reliable operation.

Responsibilities

• Create and maintain Host Platform strategy, architecture, and roadmap.
• Manage Host Platform infrastructure initiatives and projects.
• Design, install, configure, and deploy host infrastructure and solutions.
• Provide Host Platform project support and Level 3 (L3) technical support.
• Plan and manage Host Platform maintenance, upkeep, and change schedules.
• Execute and deploy Host Platform upgrades, maintenance, and changes.
• Manage technology risks and controls and provide audit support.
• Perform RCSA (Risk and Control Self-Assessment) activities for the Host Platform.
• Ensure platform availability, stability, security, and operational compliance.

Skills

Mainframe Admin

z/OS Admin

CICS

MQ

RACF

JCL

JES2

ISPF

TSO

Audit & Compliance

Job description

TEAMLEASE DIGITAL SINGAPORE PTE. LTD. is seeking an experienced Mainframe System Administrator / z/OS System Programmer to support and manage the organization's mainframe infrastructure.

You will handle administration, maintenance, and enhancement of CICS, MQ, z/OS, and related hardware, storage, and tape technologies, ensuring security, availability, and compliance. The role involves leading host platform strategy, architecture, and projects, providing L3 support, and coordinating with vendor