Marimuthu S
Chennai,Tamilnadu
Summary
To leverage my technical expertise and problem-solving skills in a dynamic IT infrastructure role where I can contribute to business success while continuing to grow professionally.
Experienced and results-driven IT Infrastructure Specialist with over 7 years in managing data centers, virtualized environments, and enterprise networks. Proficient in VMware vSphere, Windows Server, patch management, and vulnerability remediation. Adept in ServiceNow ticketing, Azure Active Directory, and firewall configurations. Recognized for strong troubleshooting abilities and delivering reliable, secure systems.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Senior Server Engineer
Tech Vistar IT Solutions Pvt Ltd
02.2025 - Current
- Company Overview: Client: Envision Energy India Pvt Ltd
- Configured and maintained CentOS 7/8 environments, including SCADA bridge setups.
- Supported server infrastructure in wind farm operations.
- Ensured high system uptime and network reliability.
- Client: Envision Energy India Pvt Ltd
Senior Specialist
HCL Technologies Ltd
07.2023 - 09.2024
- Managed VMware environments including vSphere 5.5-6.7 and upgraded ESXi hosts to version 7.0.
- Utilized ServiceNow for ITSM and ticket lifecycle tracking.
- Addressed vulnerabilities using BigFix and Qualys.
- Created and managed virtual machines, handled VMotion, HA, snapshots, and cloning.
- Delivered Level 1 & 2 support for Windows Server and Active Directory.
Windows Server Administrator
Lister Ventures Pvt Ltd
06.2022 - 07.2023
- Automated software deployment with ManageEngine Desktop Central.
- Managed user provisioning in Azure AD and enforced multi-factor authentication.
- Configured VLANs and FortiGate firewalls, and scheduled data backups with Veritas.
System Engineer
Net Access (Murugappa Group)
11.2020 - 06.2022
- Oversaw IT infrastructure across group companies, using SolarWinds and IT360 for monitoring.
- Coordinated server alerts with L3 teams and maintained ISO documentation.
- Applied WSUS patches, deployed operating systems, and ensured uptime across WAN links.
System Administrator
EbixCash Global Services Pvt Ltd
04.2018 - 11.2020
- Managed AD users, groups, GPOs, DNS, FTP, and implemented backups using wbadmin.msc.
- Configured roaming, local, and mandatory profiles for user environments.
- Provided end-user support for Outlook, antivirus systems, and hardware troubleshooting.
Customer Support Executive
Magus Customer Dialog Pvt Ltd
09.2015 - 04.2017
- Handled customer queries regarding account balances and transactions.
- Delivered clear and accurate support to resolve issues efficiently.
Education
Diploma - Computer Science and Engineering
St. Joseph Polytechnic College
Thirumayam01.2015
SSLC -
Govt Higher Secondary School
O.Siruvayal01.2012
Skills
- Windows Server 2008
- Windows Server 2012
- Windows Server 2016
- CentOS 7
- CentOS 8
- VMware vSphere
- Hyper-V
- Active Directory
- Azure AD
- LDAP
- SolarWinds
- ManageEngine IT360
- PRTG
- Wireshark
- Veritas
- Wbadmin
- LTO Tapes
- FortiGate
- Qualys
- MFA
- GPOs
- ServiceNow
- BigFix
- ManageEngine
- Site24x7
- VLANs
- DNS
- Internet Leased Lines
- FC Cabling
- Office 365
- Outlook
- RAID setup
- Server assembly
- Printer/scanner configuration
Certification
Site24x7 Automation Tool
Languages
Tamil
English
Timeline
Senior Server Engineer
Tech Vistar IT Solutions Pvt Ltd
02.2025 - Current
Senior Specialist
HCL Technologies Ltd
07.2023 - 09.2024
Windows Server Administrator
Lister Ventures Pvt Ltd
06.2022 - 07.2023
System Engineer
Net Access (Murugappa Group)
11.2020 - 06.2022
System Administrator
EbixCash Global Services Pvt Ltd
04.2018 - 11.2020
Customer Support Executive
Magus Customer Dialog Pvt Ltd
09.2015 - 04.2017
Diploma - Computer Science and Engineering
St. Joseph Polytechnic College
SSLC -
Govt Higher Secondary School
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