Senthilkumar has over 8 years of experience as a System Administrator and Senior Support Engineer specializing in Linux servers. He has extensive experience installing and administering Red Hat and Ubuntu servers. He is proficient with tools like GLPI, Zabbix, and firewalls. Senthilkumar holds certifications in Red Hat, Cisco, Microsoft, and has a Bachelor's degree in Electronics and Instrumentation. He currently works as a Senior Support Engineer at Neeyamo where he performs tasks like security patching, monitoring servers, and implementing helpdesk and asset management tools.

1. Contact Details:
SENTHILKUMAR.K Mob No: 9884499406
Email Id: senthil.job1@yahoo.com
Experience
System Administrator with 8.5 Years of experience in IT Field.
PROFESSIONAL SUMMARY:
• In 8.3 Years of IT experience, 3 Years worked as internal support in Maples and
5.5 Years to till date working in Linux server in Neeyamo.
• Proviciency in Installation, configuration and administration of open source tools like GLPI, Endian
firewall, Zabbix, redmine and Adito VPN.
• Experience in installing Redhat linux servers and Ubuntu servers.
• Proficiency in Installation, Configuration and Administration of Networks comprising of CISCO Routers,
Dax Router, HP Switches, CISCO Switches, Cyberoam Firewall, ISO 9001 & ISO 27001
Education qualification
Bachelor of Engineering in Electronics and Instrumentation from PSVP Engineering College, Ponmar
Certifications
• REDHAT Certified Engineer (RHSCA&RHCE) Version 6.0 in REDHAT Enterprise.
• Cisco Certified Network Associate (CCNA)
• Microsoft Certified in Installing, Configuring, and Administering Windows XP Professional(MCP).
• Microsoft Certified in Implementing and Managing Microsoft Exchange Server 2003.
Software Exposure

2. Operating Systems : Redhat 6.2,Ubuntu 12.04,Windows XP, windows 7, Windows 8,
Windows Server 2012.
Packages : LibreOffice, MS- Office 2007/2010, Open sources like Adito VPN, GLPI, Moodle
Employment
Company Name Designation Period Of Employment
Neeyamo Enterprise Solutions
PVT LTD, Chennai
Sr. Support Engineer July 2010 To Till Date
Maples ESM Technologies,
Chennai
System Administrator June 2007 to July 2010
Company: Neeyamo Enterprise Solutions
Designation: Sr. Support Engineer in Red hat Linux (From 2010 – Till Date)
• Applying security patches using patch management.
• Configured IP Bonding for the redundancy of the applications.
• Setting up SAMBA servers, to enable Windows clients to communicate with Linux without the need of
additional software on the Windows side, such as NFS clients.
• Configured yum configuration for installing/removing required rpm and enabling the services using
chkconfig command permanently.
• Handling User, Group and File system management.
• Disk Management, Mount FS and AutoFS.
• Used LVM for dynamically extending and reducing partition sizes as and when the need arise.

3. • Apache web server installation and configuration.
• Periodically checking health for servers using Zabbix monitoring tool.
• Good Knowledge in FTP, NFS, Samba, ACL, basic knowledge on LDAP and configuring Crontab
scheduler.
• Handling Desktop application installation and configuration; Installation, configuration and
troubleshooting Linux Machines.
• Installing, Configuring and implementing open source GLPI Helpdesk tool for ticketing and
maintaining Asset management.
• Implementing Cron Job for Scheduled Backup of the Shared Files.
• Installing and Implementing the Open source Endian firewall.
• Configuring Open source DHCP Server using User helper command for different VLAN.
Other Responsibilities:
• Implementing ISO 9001 quality management in the functions.
• Implementing ISMS 27001 Security policy in the functions.
• Configure Default Routing in Cisco 2911 Router
• Configure VLAN in Cisco 3750 L3 Switch.
• Implementing Policy Based Routing (PBR) in Cisco 3750 L3 Switch for Different Gateways.
• Preparing the Monthly Report and presenting the report to the Management Team.

4. • Assigning the ticket to the team members.
• Planning for Data center implementation for the New center.
Company: Maples ESM Technologies, Chennai
System Support (From 2007 – 2009)
• Created user manuals and provided technical support sessions for new employees.
• Design and implementation of LAN.
• Managing and Administering Access Card Server.
• Configuring VLANs and managing network congestion with Cisco Switches.
• Installing, Configuring & Maintaining Active Directory in Windows Server 2003.
• Installing & Configuring Exchange Server 2003 in Windows Server 2003
• Installing & configuration TCP/IP, DNS, DHCP in server 2003
• Installing & Maintenance of Local and Network Printers.
• Applying password policy for domain users.
• Client Software’s – Windows 2003 and XP professional.
• Help Desk Operations, Network and Support related services.
• System Assembling, Trouble shooting, System Maintenance and Application Installations.
• Installing and Configuring Antivirus Corporate Edition Client in the Network Machines.
• Keep Antivirus up-to-date in server.
• Installing client Operating System, Mail clients (MS Outlook), MS-Office and Troubleshooting
network, OS and Software problems.
• Taking daily and weekly Backup for File server data and Mail Server data.

5. Network Support (2008 – 2010)
• LAN connectivity and Trouble shooting.
• Installing and maintenance of Software’s & Hardware.
• Troubleshooting the different hardware and replacing the malfunctioning devices.
• Troubleshooting laptops and network printers.
• Installation and Configuration of Windows XP Professional workstations.
• Installing & Maintenance of Local and Network Printers.
• Configuring, maintaining and troubleshooting the client’s mailboxes using MS-Outlook
• Help Desk Operations, Network and Support related services.
• Raising tickets using CA Unicentre servdesk tool.
• Installing and Configuring Antivirus Corporate Edition Client in the Network Machines.
• System Assembling, Trouble shooting, System Maintenance and Application Installations.
• Managing and Administering Inventory of all Systems and networking devices
• Managing Vendor Co-ordination

6. Network Support (2008 – 2010)
• LAN connectivity and Trouble shooting.
• Installing and maintenance of Software’s & Hardware.
• Troubleshooting the different hardware and replacing the malfunctioning devices.
• Troubleshooting laptops and network printers.
• Installation and Configuration of Windows XP Professional workstations.
• Installing & Maintenance of Local and Network Printers.
• Configuring, maintaining and troubleshooting the client’s mailboxes using MS-Outlook
• Help Desk Operations, Network and Support related services.
• Raising tickets using CA Unicentre servdesk tool.
• Installing and Configuring Antivirus Corporate Edition Client in the Network Machines.
• System Assembling, Trouble shooting, System Maintenance and Application Installations.
• Managing and Administering Inventory of all Systems and networking devices
• Managing Vendor Co-ordination