Active Directory, Internet Explorer, Google Chrome, Mozilla Firefox, Skype, Adobe Photoshop, Adobe Reader, Mail Marshall, Shadow Protect, Watch Guard, Entry Pass and HRMS, Mail Server, Kaspersky Antivirus, Trend Micro Antivirus, Symantec Antivirus, Symantec Ghost, Ticketing Management Tools - Jira (Atlassian), BMC Remedy, IT Service Management (ITSM) and Environmental Monitoring System (EMS), Patch Management Tools – WSUS, BigFix and Ansible
ARUNKUMAR RAJENDRAN
IT Infra Structure Support
Singapore
Summary
I am an enthusiastic, hands-on IT professional with 7 years of experience in support (2nd level). I have a proven record of accomplishment of managing and maintaining servers and desktops and adopt a meticulous approach to ensure the smooth running of business operations. Qualified to industry standards, I enjoy closely following the latest changes in technology and apply this to my duties wherever relevant.
Overview
7
7
years of professional experience
4
4
years of post-secondary education
2
2
Certifications
1
1
Language
Work History
SYSTEM ADMINISTRATOR
NCS Pte Ltd
Singapore
11.2021
- To Provide information and communications technology (ICT) services to Singapore Governments and Enterprises region
- In-depth domain knowledge and unique capabilities to create business value for customers
- To Provide broad range of services, including consulting, systems development and integration, business processing, infrastructure management and technology solutions
- Provide maintenance and support services for day-to-day operations of Enterprise Platforms (MS Active Directory, Exchange, Oracle, SQL Server, Windows, VMware, and ESXi Host)
- Provide on-site support for all downtime for client-end, server-end and the following day standby support if required
- Monitor, and apply patches of applications and related platform components in all environments
- Support and ensure that the Enterprise Platforms are operational after patching
- Monitor batch jobs daily, investigate failed batch jobs, delayed jobs, scheduled jobs not executed and resolve the problem
- Provide management of accounts and access rights for the applications
- Trouble-shoot, diagnose, analyze, and correct all identified and latent errors in the system to ensure the smooth operation of the platform
- Server Monitoring - Server’s System resources like CPU Usage, Memory Consumption, I/O, Network, Disk Usage, Process etc
- Manage and support Storage systems, including vulnerability remediation, capacity management, configuration management, provisioning and zoning of new servers using SAN switches
- Data center responsibilities Monitoring and troubleshooting server, storage, and networking equipment for malfunctions or failures and performing regular backups of data
- Providing technical support for applications and operating systems used in the data center
- Perform regular DR (Disaster Recovery) test plan of backup data restoration and storage replication availability
- Working with equipment vendors, service providers, system integrators and relevant parties to analyses, troubleshoot, and resolve all system-related problems to restore the system to operational ready state
- Promptly notify the customers of vulnerability released by equipment/software vendors or any security advisory affecting the system
- Ensure compliance with IT security standards, policies, and procedures.
Wintel Engineer
OCBC Bank - Operations & Technology Specialist
02.2023 - Current
- Devised scripts and automation tools to improve system efficiency.
- Analyzed complex project server issues and worked on large enterprise and business-critical applications.
- Analyzed network traffic and performance metrics to optimize system performance.
- Maximized system availability through development and testing of contingency plans.
- Planned and implemented upgrades to system hardware and software.
- Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
- Designed proactive preventive maintenance schedules to prevent unnecessary downtime and hardware faults.
- Completed reports detailing network and systems performance and downtime issues.
- Monitored temperature and power draw to immediately detect faults and failures.
- Resolved issues and escalated problems with knowledgeable support and quality service.
- Identified and resolved network congestion issues and bottlenecks.
- Led server infrastructure development, quality assurance, staging and production systems.
- Performed software installations and OS upgrades to support layered software packages.
EUC/SYSTEM SPECIALIST
Operational Technology in Changi General Hospital
Singapore
07.2021 - 11.2021
- Manage IT Operational Technology in Changi General Hospital focus on Servers and End Point setup like OS, patching, access control, AV scanning, VAPT, hardening to ensure they are incompliance to IT and Security standards
- To review project proposals from IT perspective for completeness and compliance, Assist with establishing IT specification for MDOTS solutions for RFP
- Work with vendors and internal infrastructure team to facilitate deployment and operations
- Facilitate the enforcement of risk mitigation, deviations, and controls
- Especially, when IOT solution is implemented
- Working closely with Security, Network and System Teams & Raising Service Request for the necessary action required
- Assist with the implementation and coordination with Vendors and internal Infrastructure, Systems, EUC and Security teams Assist with establishing IT specifications, Risk Mitigations, Deviation and Controls Deployment, support, and administration Support Medical Devices & FM related Devices.
SYSTEM ENGINEER
NTT Singapore Digital Business Solutions Pte Ltd
Singapore
03.2020 - 07.2021
- Manage IT infra support to client’s sites & remote support
- Make sure to implement, support, maintain, and manage IT services, including networking, IT security, email, and disaster recovery
- Manage and monitor all installed systems and infrastructure workstation/server
- Install, configure, test and maintain operating systems, application software and system tools
- Proactively ensure the highest levels of systems and infrastructure availability
- Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes
- Write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks
- Manage of such as backup, disk space housekeeping, and creation/deletion of user accounts
- Ability to deploy firewalls and antivirus applications and perform upgrades of software and hardware
- Experience in SAN/NAS configuration/troubleshooting
- Incident & Change Management Problem/request Management (Internal/External) Clients
- Administration skills with Microsoft Active Directory and experience on Microsoft GPO administration.
CLIENT FIELD TECH SENIOR ASSOCIATE
NTT Data Services Pvt Ltd
Singapore
12.2017 - 02.2020
- Responsible for establishing and maintaining end user hardware and software standards, as well as successful implementation of assigned projects and administrative hardware in a networked environment
- The incumbent will also lead a team of Desktop Support Technicians
- Install new / rebuild existing desktop / laptops and configure hardware, peripherals, services, settings, directories, storage, etc
- In accordance with standard project and requirements
- Responsible for on-site and remote installation, implementation, maintenance, troubleshoots, and approves operational quality desktops, laptops, printers, and associated Peripherals
- Repair of Desktops, Notebooks, printers, and associated peripherals
- Serves as company liaison with customer on administrative and technical matters.
DESKTOP SUPPORT ENGINEER
HCL Insys Pvt Ltd
Singapore
05.2017 - 12.2017
- Technical support for the smooth running of computer systems, monitor, operate, manage, troubleshoot, and restore service to terminal service clients, PCs, or notebooks with authorized access to network
- Technical experience configuring, troubleshooting, and supporting hardware and software client computing platform Microsoft Windows Operating System
- Install, upgrade, support and troubleshoot Windows OS, authorized desktop applications, hardware, and peripheral equipment
- Experience in creating, troubleshooting, and deploying end client images using SCCM
- Demonstrated experience in patching operating system and software using SCCM tools
- Assembling of computer, Installation of Operating Systems, and other software.
Education
Bachelor of Engineering in Electronics and Communication Engineering -
Anna University
06.2005 - 05.2009
Skills
Windows 2000, Windows XP, Windows Vista, Windows 7, Windows 8 and Window 10undefined
Certification
Advanced Diploma in Information Technology – ADIT, Management Development Institute of Singapore, MDIS Campus, Singapore
Personal Information
- Date of Birth: 08/19/88
- Nationality: Indian
- Marital Status: Married
- Visa Status: Long Term Visit Pass
Accomplishments
For contribution of WIntel remediation and completion od "Server Baseline Review" addressing concern highlighted by cyber security Audit despite joining for less than 3 month's
Appreciated in Active Directory migration project together with PIS colleagues and completed 98% AD user migration to another domain in less than 3 months
Affiliations
- Project Management Institute
- Association for Computing Machinery
- National Association of Social Workers
Software
Interests
Project
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
Wintel Engineer
OCBC Bank - Operations & Technology Specialist
02.2023 - Current
SYSTEM ADMINISTRATOR
NCS Pte Ltd
11.2021
EUC/SYSTEM SPECIALIST
Operational Technology in Changi General Hospital
07.2021 - 11.2021
SYSTEM ENGINEER
NTT Singapore Digital Business Solutions Pte Ltd
03.2020 - 07.2021
CLIENT FIELD TECH SENIOR ASSOCIATE
NTT Data Services Pvt Ltd
12.2017 - 02.2020
DESKTOP SUPPORT ENGINEER
HCL Insys Pvt Ltd
05.2017 - 12.2017
Bachelor of Engineering in Electronics and Communication Engineering -
Anna University
06.2005 - 05.2009
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