Summary
Overview
Work History
Education
Skills
Certification
Languages
Timeline
Generic
Karthigayan G

Karthigayan G

Puducherry

Summary

Experienced System Administrator with a decade-long track record in information technology. Demonstrated expertise in consistently delivering exceptional results that surpass expectations. Proven success in overseeing and executing large-scale software deployments, network buildouts, and ensuring robust data security measures. Adept at identifying and implementing innovative solutions to optimize system performance and enhance overall operational efficiency.

Overview

17
17
years of professional experience
1
1
Certification

Work History

Associate - IT OPS Services.

COFORGE Limited
01.2024 - Current
  • Collaborated with cross-functional teams to deliver high-quality software products on time and within budget.
  • Documented processes and procedures for consistent team performance, enabling effective knowledge sharing among colleagues.
  • Streamlined code quality through thorough testing and debugging, ensuring optimal functionality.
  • Contributed to the development of detailed project plans, setting realistic expectations and facilitating smooth project execution.
  • Reduced system downtime by proactively identifying and resolving technical issues.
  • Continuously updated skills through professional development opportunities, staying current with industry best practices and emerging technologies.
  • Assisted in the migration of legacy systems to modern platforms, minimizing disruptions and maximizing efficiency gains.
  • Coordinated deployments of new software, feature updates and fixes.
  • Corrected, modified and upgraded software to improve performance.
  • Monitored networks and network devices to resolve technical problems quickly.
  • Planned and implemented upgrades to system hardware and software.
  • Diagnosed and resolved hardware and software issues.
  • Diagnosed and executed resolution for network and server issues.
  • Implemented and maintained virtual private networks.
  • Installed and configured network printers and other peripheral devices.
  • Analyzed network traffic and performance metrics to optimize system performance.
  • Designed and evaluated WAN and LAN connectivity technologies.
  • Drove continuous improvement of IT governance processes.
  • Managed onboarding and offboarding of employees.
  • Installed important security and functionality patches to maintain optimal protections against intrusion and system reliability.
  • Provisioned new software and hardware for use, following established security policies.
  • Mentored junior administrators, fostering professional growth and strengthening team dynamics.
  • Resolved issues and escalated problems with knowledgeable support and quality service.
  • Worked with users to determine areas of technology in need of improved usability.
  • Maintained flexible schedule and responded to after-hours and weekend emergencies.
  • Standardized job tasks and trained junior team members on industry best practices and standards.
  • Reduced downtime with proactive system monitoring and timely issue resolution.

Senior System Administrator

Wipro Limited
04.2013 - 01.2024
  • Managing the Cisco routers, switches, firewalls, LAN and WAN Links
  • Maintained network hardware and software and monitored network to support network availability to end users.
  • Installing and configuring computer hardware operating systems and applications
  • Performed day-to-day LAN and WAN administration, maintenance, and support.
  • Incident/ Problem Management and Resolution within SLA, Effective handling of production issues and escalations.
  • Performed and adhered to change management requirements.
  • Completed reports detailing network and systems performance and downtime issues.
  • Managing tickets and Critical requests of internal requirements
  • Installing and manually configuring the SAP GUI 7.40 Application
  • Providing complete solutions to End-User through Mobile, Email and Remote desktop
  • Maintaining the IT Inventory, IMAC as per corporate manual
  • Installing and configuring the Cisco VPN client and Global Protocol
  • Support the following technologies: Printers, Projector, Video conference(Polycom VC)
  • Responding within agreed time limits to call-outs.
  • Standardized job tasks and trained junior team members on industry best practices and standards.
  • Configured, tested and maintained Cisco network equipment to achieve maximum performance.
  • Resolved issues and escalated problems with knowledgeable support and quality service.
  • Maintained flexible schedule and responded to after-hours and weekend emergencies.
  • Integrated and updated software products to boost system compatibility.
  • Contributed to development, administration and testing of disaster recovery plans.
  • Performed software installations and upgrades to Windows operating systems.
  • Spearheaded inventory control measures to replenish and maintain IT equipment.
  • Delivered Tier 2 and Tier 3 support for problem identification, diagnosis and issue resolution.
  • Detailed upcoming software upgrades and system sprints to team members.
  • Identified and immediately resolved issues with network devices.
  • Authored documentation for system configuration and troubleshooting.
  • Managed vendor relationships for procurement of hardware and software, negotiating favorable terms and cost savings.
  • Implemented robust data backup solutions, ensuring business continuity in the event of data loss or system failure.
  • Improved end-user satisfaction by providing responsive technical support and addressing concerns efficiently.
  • Reduced downtime with proactive system monitoring and timely issue resolution.
  • Installed and configured network printers and other peripheral devices.
  • Analyzed network traffic and performance metrics to optimize system performance.
  • Identified and resolved network congestion issues and bottlenecks.
  • Implemented and maintained virtual private networks.
  • Diagnosed and resolved hardware and software issues.
  • Planned and implemented upgrades to system hardware and software.
  • Monitored networks and network devices to resolve technical problems quickly.

Quality Controller and Production Engineer

ACE Tech World, ACER
09.2011 - 03.2013
  • Identified, documented, and reported Hardware and software defects, providing detailed information for reproduction and resolution.
  • Performed compatibility testing across various operating systems, hardware configurations, and screen resolutions to ensure consistent application performance.
  • Collaborated with developers, product managers, and other stakeholders to clarify requirements, provide feedback, and resolve issues.
  • Maintained accurate and detailed documentation of test cases, results, defect reports, and QA processes to support continuous improvement.

Assistant Lecturer

Scientology NGO, NGO
09.2009 - 08.2011
  • Course Instruction: Delivered lectures, facilitated discussions, and provided practical demonstrations in assigned subjects, ensuring clear and effective communication of complex concepts.
  • Curriculum Development: Assisted in designing and updating course materials, including syllabi, lesson plans, and assessment tools to align with academic standards and institutional goals.
  • Student Support: Provided academic advising and mentorship to students, addressing their questions and concerns, and offering guidance on coursework and career planning.

Customer Support Executive

Mphasis BPO Service
12.2007 - 08.2009
  • Customer Assistance: Answer incoming calls from customers seeking help with their telecom services, including billing inquiries, technical support, and service-related questions.
  • Problem Resolution: Diagnose and resolve customer issues or escalate them to higher-level technical support or management if necessary. This may involve troubleshooting problems with phone lines, internet connections, or account details.
  • Information Provision: Provide clear and accurate information about telecom products, services, and promotions to customers. This includes explaining service features, plans, and pricing.

Education

Master of Science - Cyber Forensics And Information Security

University of Madras
Chennai, India
06.2024

Bachelor of Science - Computer Science

Sri Aravindar Arts And Science College
Villupuram, India
04.2006

Skills

  • Windows administration
  • Program and Software installations
  • Incident Management
  • User Support
  • Backup and recovery
  • Technical Support
  • Network Administration
  • ITIL Framework
  • Network Troubleshooting
  • Desktop troubleshooting
  • Device configuration
  • Vendor coordination
  • Mobile Device Management
  • Helpdesk operations
  • Cisco router and switch security
  • Hardware and software installation
  • End point configurations
  • Offboarding and onboarding
  • Time Management
  • Problem-solving abilities
  • Adaptability and Flexibility
  • Effective Communication
  • Decision-Making
  • Task Prioritization
  • IP Addressing and Subnetting
  • Continuous Improvement
  • LAN and WAN control

Certification

  • Certification in Developing Enterprise Applications & Web Services Using J2EE -Technologies

  • Networking Technologies and Device (CCNA)

  • Diploma In Networking Technology (DNT)

Languages

English
Upper intermediate (B2)

Timeline

Associate - IT OPS Services.

COFORGE Limited
01.2024 - Current

Senior System Administrator

Wipro Limited
04.2013 - 01.2024

Quality Controller and Production Engineer

ACE Tech World, ACER
09.2011 - 03.2013

Assistant Lecturer

Scientology NGO, NGO
09.2009 - 08.2011

Customer Support Executive

Mphasis BPO Service
12.2007 - 08.2009

Master of Science - Cyber Forensics And Information Security

University of Madras

Bachelor of Science - Computer Science

Sri Aravindar Arts And Science College
Karthigayan G