Mainframe 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

Job Description

We are looking for an experiencedMainframe System Administrator / z/OS System Programmerto support and manage the organization's mainframe infrastructure and platform technologies.

Key Responsibilities

The role will be responsible for administration, support, maintenance, and enhancement of:

• Mainframe CICS and MQ

• IBM zSeries / Mainframe hardware

• z/OS operating system

• IBM and third-party vendor system software

• Mainframe Storage Area Network (SAN)

• Attached disk storage systems

• Attached tape storage systems

Role & Responsibilities

• Create and maintainHost Platform technology strategy, architecture, and roadmap

• ManageHost Platform infrastructure initiatives and projects

• Design, install, configure, and deploy host infrastructure and solutions

• ProvideHost 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

• PerformRCSA (Risk and Control Self-Assessment)activities for the Host Platform

• Ensure platform availability, stability, security, and operational compliance

Required Skills

Candidates should have hands-on experience withMainframe operating systems and administration, including:

• z/OS

• TSO

• JES2

• ISPF

• RACF

• JCL

• CICS

• MQ

• Mainframe hardware and system software

• Mainframe storage and tape technologies

Candidate Profile

• Strong experience inMainframe System Administration / z/OS

• Banking and financial services experience preferred

• Good understanding of infrastructure operations, production support, change management, risk, and controls

• Experience providing L3 support and working with multiple technology/vendor teams