Summary
Overview
Work History
Education
Skills
Certification
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RUBENDRAN A/L KUNASAGARAN

RUBENDRAN A/L KUNASAGARAN

29, Jalan TPS 2/6 Taman Pelangi Semenyih 2, 43500 Semenyih, Selangor

Summary

Strategic IT Management Professional with 21 years of experience in delivering technology solutions within tight deadlines. Specialises in orchestrating scalable infrastructures that enhance operational efficiency and profitability. Expert in full-lifecycle project management, effectively managing scope, resources, and multimillion-pound budgets in both traditional and virtual environments.

Overview

21
21
years of professional experience
1
1
Certification

Work History

SENIOR EXECUTIVE – Technology Infra Management

Bank Simpanan Nasional (BSN)
Bangi, Selangor
01.2009 - Current
  • Established foundational mainframe infrastructure components
  • Operating System Management: Installing, customizing, and maintaining the z/OS operating system and its associated software components.
  • IPL and HMC Management: Configuring LOADxx members, managing Hardware Management Console (HMC) settings, and overseeing the Initial Program Load (IPL) process for multiple LPARs.
  • Software Lifecycle (SMP/E): Planning and executing software installations, upgrades, and maintenance (PTFs/APARs) using SMP/E to ensure systems are secure and vendor supported.
  • Performance & Capacity Planning: Proactively monitoring system health and CPU/storage utilization using tools like RMF or Omegamon to recommend hardware or configuration upgrades.
  • System Automation: Developing and maintaining AFOPER, CLIST, or JCL scripts to automate routine operations and improve environmental efficiency.
  • Parmlib & Proclib Customization: Maintaining critical system members (e.g., IEASYSxx, PROGxx, LPALSTxx) to control system behavior and authorized libraries.
  • Outlined CICS-specific infrastructure needs
  • CICS Environment Management: Configuring and supporting CICS Transaction Server regions, including system initialization parameters (SIT) and resource definitions (RDO/BAS).
  • System Initialization & Customization: Configuring System Initialization Table (SIT) parameters and startup JCL to define region behavior, storage limits, and task control.
  • Resource Definition & Administration: Managing online and batch resource definitions including PROGRAM (PPT), TRANSACTION (PCT), FILE (FCT), and TDQ (DCT) through RDO (Resource Definition Online) or CEDA transactions.
  • Transaction Performance Tuning: Analyzing transaction response times and storage usage (DSA/EDSA) to identify bottlenecks and optimize high-volume online processing.
  • High Availability & Connectivity: Managing CICSPlex SM for dynamic transaction routing and maintaining connectivity (MRO, ISC, IPIC) to other subsystems like DB2 and IBM MQ.
  • Complex Problem Determination: Diagnosing critical system failures by analyzing system and transaction dumps (using IPCS) and traces to find root causes of outages.
  • Modernization & API Support: Configuring CICS Web Services and RESTful APIs to bridge legacy mainframe applications with modern hybrid cloud environments.
  • CICSPlex System Management (CPSM): Configuring and administering CICSPlex SM (CMAS, WUI, MAS) for dynamic workload routing and single-system image management across multiple LPARs.
  • Implemented high-impact continuity strategies
  • Planned, tested, and executed disaster recovery procedures, ensuring swift recovery of critical online services during site failures.
  • Participated in on-call rotations to resolve high-severity incidents, minimising impact on national and global business operations.
  • Collaborated with IBM and independent software vendors to resolve software bugs and evaluate new technology for potential deployment.

System Analyst

Computer Science Corporation (CSC)
Petaling Jaya
01.2006 - 01.2009
  • Executed full-lifecycle administration for Windows and Linux servers, ensuring seamless installation, OS patching, data backups, and stringent access control management.
  • Led system builds, migrations, and code deployments within high-traffic production environments, ensuring all changes met strict business and operational parameters.
  • Managed virtualization and Wintel architecture, providing expert guidance on VMware best practices and performance tuning.
  • Monitored system resources, including internal memory and disk utilization, to conduct capacity planning and inventory management.
  • Administered and optimized Local Area Network (LAN) operations, ensuring maximum uptime and peak performance through proactive monitoring and troubleshooting.
  • Managed and monitored LAN/WAN environments, ensuring maximum uptime and high-speed connectivity through proactive troubleshooting.
  • Engineered and maintained complex network configurations, including VLANs, port trunking, and IP routing (TCP/IP), enhancing connectivity across WAN/CAN architectures using fibre optic technology.
  • Advanced Networking: Configured and maintained VLANs, port trunking, and IP routing; applied deep knowledge of the OSI model and fibre optic technologies to resolve complex environment bottlenecks.
  • Designed and implemented network security protocols across Windows Active Directory, workstations, and dedicated security appliances.
  • Oversaw data centre operations in high-density environment, focusing on fully managed external infrastructures and hardware lifecycle management.
  • Hardware Lifecycle: Coordinated the installation and upgrade of network switches, bridges, and security devices in accordance with corporate compliance policies.
  • Managed virtualization and Wintel architecture, providing expert guidance on VMware best practices and performance tuning.
  • Monitored system resources, including internal memory and disk utilization, to conduct capacity planning and inventory management.

IT EXECUTIVE

SR Global SDN BHD
Klang
01.2005 - 01.2006
  • Analysed, tracked, and resolved complex hardware and software issues across network connectivity, servers, printers, and enterprise applications, enhancing system reliability.
  • LAN Administration: Manage the full user lifecycle, including account creation, access control (ACLs), and resource allocation (printers/shared drives) to ensure network security.
  • Endpoint Management: Engineered and deployed standardized workstation images using Ghost and Image Center, ensuring consistent performance across the fleet.
  • Conducted preventive maintenance, hardware repairs, and software recovery operations, coordinating with stakeholders to reduce downtime and maintain operational continuity.
  • Authored comprehensive technical guides for LAN environments and workstation configurations; managed data integrity through regular file archiving, purges, and backups, ensuring compliance and accessibility.
  • Technical Support & Systems Administration
  • Facilitated freight forwarding logistics

Education

Bachelor's Degree (HONS) - Computer Science/Information Technology, Software Engineering

UNIVERSITY OF TECHNOLOGY AND MANAGEMENT MALAYSIA (UTPM)
Shah Alam, Selangor
12-2004

Advance Diploma - Computer Science/Information Technology, Information Technology

KOLEJ TEKNOLOGI DAN PENGURUSAN LANJUTAN
Shah Alam, Selangor
04-2002

Skills

  • SQL
  • Java
  • Oracle Database 12cobol
  • C
  • Assembler
  • IBM Db2
  • Oracle Database 10g
  • Oracle Database 11g
  • C
  • IBM Power Systems
  • IBM Data Power
  • IBM Integration Bus
  • Weblogic
  • MQ
  • WESB middleware
  • Red Hat JBOSS FUSE
  • Dynatrace
  • Service-Oriented Architecture (SOA)
  • Business Process Manager
  • IBM-WESB
  • IBM-WPS
  • IBM-Tivoli
  • IBM-Tuxedo
  • Compuware
  • SAP
  • IBM Storwize
  • DS8000 storage management
  • Enterprise Storage Server
  • AS400-RPG
  • Cloud Foundry
  • SaaS
  • UNIX
  • Z/OS architecture
  • MVS
  • CICS
  • JCL
  • IEF COBOL
  • VSAM
  • Linux
  • Solaris
  • AIX Power systems
  • IBM P-Series
  • Mainframe Z/OS
  • Microsoft Windows
  • OS X (macOS)
  • Virtual Machine OS
  • Ethernet
  • TCP/IP
  • VPN
  • LAN/WAN
  • Cisco
  • Microsoft Office Suite
  • Visio
  • MS Project
  • Uml
  • Html
  • Xml
  • AIX Power systems
  • AS/400
  • Ethernet
  • TCP/IP
  • VPN
  • LAN/WAN
  • Cisco

Certification

  • Microsoft certified system engineer (MCSE)
  • Microsoft certified system administrator (MCSA)
  • System skills in z/os – es10my
  • Z/OS jcl and utilities – es07my
  • HP blade system administration
  • IBM power systems for aix – Virtualization
  • IBM power systems for aix – Implementation and Administration
  • IBM power systems for aix – Lpar Configuration and Planning

Custom Section

  • Rubendran20@yahoo.com
  • Rubendran@bsn.com.my

Personal Information

Age: 45

References

  • En. Ahmad Ismail, Section Head Of Technology Infra Management.
  • En. Patas Bin Kamaludin, Deputy Head Of Information Technology.

Timeline

SENIOR EXECUTIVE – Technology Infra Management

Bank Simpanan Nasional (BSN)
01.2009 - Current

System Analyst

Computer Science Corporation (CSC)
01.2006 - 01.2009

IT EXECUTIVE

SR Global SDN BHD
01.2005 - 01.2006

Bachelor's Degree (HONS) - Computer Science/Information Technology, Software Engineering

UNIVERSITY OF TECHNOLOGY AND MANAGEMENT MALAYSIA (UTPM)

Advance Diploma - Computer Science/Information Technology, Information Technology

KOLEJ TEKNOLOGI DAN PENGURUSAN LANJUTAN

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