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Summary
Senior System Administrator and Team Leader with 16+ years of experience in IT infrastructure management, system administration, and government project execution. Proven expertise in Windows Server administration, LAN/WAN networking, Juniper network devices (L1/L2), desktop deployment, vendor coordination, and SLA-driven support. Strong leadership skills with experience managing multi-location teams and delivering secure, stable, and high-availability IT environments across government and enterprise projects.
Overview
16
16
years of professional experience
5
5
Certifications
Work History
Team Leader / Senior System Administrator
Zigma Technologies India Pvt Ltd
04.2015 - Current
Commercial Tax Office, Coimbatore
Projects:
ELCOT Project (Feb 2025 – Present)
TNeGA Project (Feb 2024 – Feb 2025)
TCS – Total Solution Project (Apr 2015 – Jan 2024)
Responsibilities & Achievements:
Managed end-to-end IT infrastructure support for Commercial Tax Department offices and check posts.
Installed, configured, and maintained 100–500 desktops and laptops, including OS, MS Office, antivirus, and application support.
Maintained and supported 50–100 active systems using remote and on-site troubleshooting.
Coordinated commissioning, initial setup, and configuration of Juniper switches and routers, ensuring stable network connectivity and integration with existing infrastructure.
Supported IP addressing, subnetting, LAN/WAN troubleshooting, MPLS and point-to-point links (L1 support).
Performed installation and maintenance of network devices and provided field-level support during network outages.
Managed printers, MFDs, and document scanners, improving productivity by 20%.
Coordinated with OEMs and vendors for desktops, laptops, printers, networking devices, and warranty support.
Trained 25+ location engineers on domain configuration, antivirus updates, and periodic software patching.
Implemented proactive monitoring of networks, servers, databases, and applications, reducing security incidents by 30%.
Optimized operational processes, achieving a 50% improvement in efficiency.
Implemented firewall updates, encryption policies, and security awareness practices, improving overall security by 40%.
Senior System Administrator
CMS Computers Limited
09.2010 - 03.2015
Established and managed 200+ workstation computer labs.
Served as Backup Site Supervisor for CAT 2013, ensuring uninterrupted operations.
Installed and integrated servers for CAT 2012 test sites.
Maintained 100% accuracy of IT assets using IT Asset Management systems.
Resolved 100+ enterprise application and desktop issues.
Conducted weekly server backups and system monitoring.
Managed 50–100 service tickets weekly, including escalation and documentation.
Improved network efficiency by 10% through firewall and router troubleshooting.
Increased system reliability by 30% through OS and application issue resolution.
System Administrator
eCAPS Computers India Pvt Ltd
01.2009 - 08.2010
Provided IT support to 50+ client sites.
Resolved desktop and network issues using ticketing systems and remote tools.
Implemented Group Policies and network sharing.
Managed antivirus servers, reducing security incidents by 30%.
Implemented backup strategies and conducted system audits.
System Administrator Trainee
Advantech Data Link Solution
02.2008 - 08.2008
Assisted in wireless network design and planning, improving coverage by 20%.
Conducted wireless site audits and optimization recommendations.
Supported 20–30 customer interactions daily.
Improved project tracking efficiency using Excel-based tools.
Education
Bachelor of Engineering - Electronics & Communication Engineering
Government College of Technology
Coimbatore
01.2008
Skills
IT Infrastructure Management
Certification
Microsoft Certified Technology Specialist (MCTS) – Windows Server 2008 (ADS)
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Languages
English
Upper intermediate (B2)
Timeline
Team Leader / Senior System Administrator
Zigma Technologies India Pvt Ltd
04.2015 - Current
Senior System Administrator
CMS Computers Limited
09.2010 - 03.2015
System Administrator
eCAPS Computers India Pvt Ltd
01.2009 - 08.2010
System Administrator Trainee
Advantech Data Link Solution
02.2008 - 08.2008
Bachelor of Engineering - Electronics & Communication Engineering