Kerja Sepenuh Masa Mainframe - Open systems Administrator (Contract) Rotational Shift, Gaji tinggi SGD 5,500 di TANGSPAC CONSULTING PTE LTD Islandwide (Singapore) - Maukerja

Responsibilities

• Monitor and manage enterprise Mainframe and Open Systems infrastructure to ensure maximum system availability.
• Perform proactive monitoring of servers, operating systems, applications, ATM systems, middleware, and network infrastructure.
• Monitor, schedule, execute, and troubleshoot batch jobs using enterprise scheduling tools.
• Execute End of Day (EOD), End of Month (EOM), and scheduled production processing activities.
• Perform job submissions, reruns, restarts, recovery procedures, and batch scheduling according to established SOPs.
• Execute IPL activities and planned production maintenance activities.
• Perform first level incident diagnosis, troubleshooting, and resolution while escalating complex issues to Level 2 support teams.
• Manage incidents, service requests, and operational alerts within SLA timelines.
• Maintain detailed incident logs, operational documentation, and shift handover reports.
• Monitor backup jobs, storage utilization, and recovery processes to ensure successful completion.
• Support production changes, application deployments, and release activities.
• Coordinate with Infrastructure, Network, Database, Middleware, and Application Support teams during production incidents.
• Manage controlled access to production environments, server rooms, and data centre facilities.
• Participate in disaster recovery exercises, system maintenance, and operational readiness testing.
• Ensure compliance with operational procedures, security standards, and audit requirements.
• Participate in 24x7 shift rotation, weekend support, and on call activities when required.

Requirements:

• Diploma or Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Minimum 8 years of experience in Mainframe and Open Systems production support.
• Strong experience supporting mission critical enterprise or banking production environments.
• Experience working in 24x7 operations and shift based support.
• Strong understanding of ITIL processes including Incident, Problem, and Change Management.
• Experience with batch scheduling, workload automation, and production control.
• Knowledge of backup, recovery, disaster recovery, and operational procedures.
• Ability to troubleshoot production issues under pressure and meet SLA commitments.
• Strong analytical, problem solving, and communication skills.
• ITIL Foundation certification.
• Knowledge of enterprise monitoring, automation, and workload scheduling solutions.
• Experience with Data Centre Operations and Production Control.
• Exposure to enterprise security and audit compliance processes.
• Strong experience on technical skills below:
• Mainframe Technologies - IBM z/OS, TSO (Time Sharing Option), ISPF, JCL (Job Control Language), CICS, OPC/ESA (Operations Planning & Control), CA7 Scheduler, Control D
• Open Systems - AS400, BMC Control M, Tivoli Workload Scheduler, HP UX, Sun Solaris, Windows NT, VAX
• Monitoring tools - HP OpenView Operations, HP OpenView Network Node Manager, IBM Tivoli Monitoring, MAXIMO, ABS, NetBackup
• Backup & Recovery - HP OpenView Storage Data Protector, Veritas NetBackup
• Other Enterprise tools - BMC Remedy Action Request System, Lotus Notes
• Open to work in rotational shifts - 7am - 3.00pm / 2.00pm - 11.00pm / 10.00pm - 7.00am