Arun Kumar S
Chennai
Summary
Experienced IT professional with over 15 years in IT administration and technical support. Expert in managing and enhancing backup solutions and IT infrastructure for U.S. and UK-based clients, utilizing technologies such as Cohesity, Commvault, Networker, and Data Domain. Known for providing exceptional customer service and resolving complex technical issues. Adept in implementing data protection strategies and ensuring system security and efficiency.
Overview
16
16
years of professional experience
Work History
Technical Specialist
HCL Technologies
Chennai
10.2024 - 10.2024
- Providing technical support for U.S.-based clients
- Managing backup infrastructure, such as Cohesity, Networker, and Data Domain primary backup applications, for the client
- Providing Level 2 support for the Backup environment for events on a 24/7 basis, investigating, and managing incidents using the ServiceNow tool
- Managed, troubleshot, backed up and restored data, operating systems, files, documents and drivers to provide comprehensive systems management and support
- Installed and configured new backup hardware components when required
- Coordinated with vendors and company personnel to facilitate purchases
- Created online documentation to help employees resolve day-to-day issues
- Implement policies, procedures and best practices to safeguard and protect data, reports, and access
- Promoted high customer satisfaction by resolving problems with knowledgeable and friendly service
Service Delivery Operator
4sl ltd
Chennai
04.2019 - 10.2021
- Providing technical support for U.S.-based clients
- Managing backup infrastructure, such as the COMMVAULT primary backup application, for the client
- 24/7/365 availability for critical support of infrastructure, backup, hardware, and restore
- Managing backup infrastructure for multiple clients, as Commvault Simpana V11 is the primary backup application for the entire client
- Troubleshooting all types of backup failures within the SLA process
- Prepared detailed reports outlining current status of backups for management review
IT System Administrator
RRB Energy Ltd
Chennai
07.2016 - 06.2019
- Provide technical support for both hardware and software issues that our users encounter
- Implemented and monitored network security measures, including firewalls and intrusion detection systems
- Participated in the planning and execution of IT infrastructure projects, meeting deadlines and budget requirements
- Stayed current with emerging technologies and trends, regularly upgrading systems to maintain competitive advantage
- Facilitated the migration of servers and applications to cloud platforms, improving scalability and cost-effectiveness
- Installed, configured, and updated software and hardware components, ensuring system integrity and compatibility
- Administered user accounts, permissions, and access controls, enhancing security and compliance
- Configured and maintained system hardware, software and network components
ENGINEER Technical Support
HCL COMNET Limited
Chennai
08.2008 - 06.2016
- Handled technical troubleshooting within an enterprise environment, including network-related issues, VSAT, and DC
- Engaged and tracked Priority 1 issues, with responsibility for the timely documentation, escalation, resolution, and closure of trouble tickets
- Provided technical support for users with complex IT issues
- Performed periodic maintenance tasks such as disk defragmentation and virus scanning
- Configured and installed network hardware including routers, switches, and firewalls to enhance security and performance
- Documented all facets of technology department operations, including network infrastructure, licenses and FAQs, facilitating consistent responses and team operations
- Collaborated with vendors to resolve any issues related to malfunctioning hardware or software components
- Troubleshot hardware or software issues reported by end users via phone or email support channels
- Participated in meetings with customers and vendors related to operational activities at the data center facility
Education
P.T.Lee CHENGALVARAYA NAICKER POLYTECHNIC
Chennai03.2008
Skills
- Backup administration
- Data protection strategies
- Network administration
- Incident management
- Hardware troubleshooting
- Disaster recovery planning
- Linux/Windows System Administration
- ITIL processes
- Technical support
- Virtualization (VMware, Hyper-V)
Activities
- HCL Technologies - Delivered expert technical support, enhancing data security for U.S.-based clients by managing sophisticated backup infrastructures including Cohesity and Networker.
- 4sl Ltd - Oversaw and optimized COMMVAULT backup solutions, significantly improving data recovery processes for multiple clients.
- RRB Energy Ltd - Strengthened network security by implementing comprehensive firewall and intrusion detection systems, minimizing vulnerabilities.
- HCL Comnet ltd – Provided technical and Network support also built the Data Center for government project.
Timeline
Technical Specialist
HCL Technologies
10.2024 - 10.2024
Service Delivery Operator
4sl ltd
04.2019 - 10.2021
IT System Administrator
RRB Energy Ltd
07.2016 - 06.2019
ENGINEER Technical Support
HCL COMNET Limited
08.2008 - 06.2016
P.T.Lee CHENGALVARAYA NAICKER POLYTECHNIC
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