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🥝 Senior Mainframe Systems Engineer – z/OS, Storage & DR

Singapore Telecommunications Ltd | singapore, Singapore | Posted June 07, 2026

Job Description

A leading telecommunications company in Singapore is looking for a Mainframe System Engineer responsible for planning, installing, managing, and administering mainframe upgrades and maintenance. The ideal candidate should have a degree in Information Technology, over 8 years of relevant experience, and hands-on familiarity with mainframe systems such as z/OS and DB2. The role involves collaboration with various infrastructure teams and providing 24/7 support to ensure system performance and SLA compliance.
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