全职 Mainframe System Administrator (z-OS)_Contract 工作, 薪水 up to SGD 5,000, NTT SINGAPORE PTE. LTD. Central Region (Singapore) 公司招聘中 - Ricebowl

Role Summary
We are seeking an experienced Mainframe System Administrator to manage and support the organization's IBM z/OS mainframe environment, including CICS, MQ, storage systems, and related infrastructure. The role involves system administration, platform support, maintenance, upgrades, and ensuring the stability, security, and availability of mission-critical systems.

Key Responsibilities

• Administer and support IBM z/OS mainframe environments, including CICS and MQ.
• Manage mainframe hardware, storage, tape, and SAN infrastructure.
• Install, configure, maintain, and upgrade mainframe systems and software.
• Provide L3 support, troubleshooting, and incident resolution.
• Plan and execute system maintenance, changes, and platform enhancements.
• Support infrastructure projects, audits, risk assessments, and compliance activities.
• Manage security administration using RACF.

Requirements

• Diploma in Computer Science, Information Technology, or related discipline.
• Minimum 6 years of experience in mainframe system administration, preferably within the banking or financial services industry.
• Strong knowledge of z/OS, TSO, JES2, ISPF, RACF, JCL, CICS, and MQ .
• Experience with IBM mainframe hardware, storage, and system software.
• Good problem-solving, communication, and stakeholder management skills.

NTT Singapore Pte Ltd (NTTS) is the regional headquarters of NTT Communications Corporation (NTT Com) for Asia Pacific Region.

Established in 1997, NTT Singapore has more than 10 years of expertise in providing information and communications technology (ICT) solutions worldwide.

NTT Singapore offers diverse high-quality connectivity, data centre solutions, security services, IT management services, voice and conferencing solutions and solution integration services to its enterprise customers.

NTT Communications is a wholly owned subsidiary of Nippon Telegraph and Telephone Corporation (NTT Corp.), one of the world’s largest providers of telecommunications services.

In 2013, NTT Corp. is ranked no.1 in telecom industry in the Fortune Global 500* list with operating revenues of more than $133,077 million. It is positioned 32nd among the top 500 corporations worldwide.

NTT Com's extensive global infrastructure includes Arcstar secure private networks, which cover 196 countries/regions and a tier-1 IP backbone network connected with major ISPs worldwide, as well as secure data centers at over 150 locations worldwide.