Dinesh kumar
Chennai
Summary
With 9+ years of experience in network data and security, I bring extensive knowledge and expertise. As a CCNA certified professional, I have a strong foundation in networking principles and protocols. My ability to work effectively in teams and make informed decisions has been instrumental in my success. Thriving in a 24/7 work culture, I am comfortable working from the office. Throughout my career, I have honed my skills in analyzing and optimizing IT systems for enhanced performance. My collaborative nature and adaptability to changing needs consistently yield impactful results. Known for strong analytical skills and effective communication, I drive successful outcomes.
Overview
10
10
years of professional experience
Work History
IT Analyst
Current TCS Payroll (Previous payroll VHS & Forte Solutions)
01.2021 - Current
- Troubleshooting connectivity issues on all cisco devices – including Nexus and Meraki devices
- Coordinating with local technician for site UPS installation and its troubleshooting
- Adding UPS in availability monitoring and health check for UPS devices
- L3 Vlan creation from Core Switch and Palo Alto Firewall & managing subnets in Solarwinds IPAM
- Hands on experience in Solarwinds monitoring tool
- Coordinate with site support for faulty device replacements (Switch, WAP)
- Operations & Troubleshooting knowledge on Palo Alto firewall (Interface configuration, Virtual router, GPVPN, Security policy rule creation, NAT rules, Panorama, IP-sec tunnels and URL filtering)
- Firmware upgrade for all network and security devices
- Working with ITSM Ticketing tool with Critical Incident and Change management
- Technical L1, L2 & L3 level troubleshooting on LAN and WAN environment
- Monitoring and primary troubleshooting versa routers in SD-WAN technology
- Coordinating with third party vendor for LAN, WAN & other connectivity issues
- Coordinating with ISP vendor for WAN link issues & working with external ticketing tool with ISP vendor
- Preparing SOP, Analyzing RCA and other documentation works
Network Administrator
Hyundai Mobis (Payroll-Alchemy Techsol)
02.2019 - 12.2020
- Configuring and replacing faulty WAP, Switch, Router
- Technical L1 and L2 level troubleshooting LAN and WAN & Cisco WLC & Tracing the faulty ethernet cable and re-crimping
- Cisco IOS Upgradation for Routers, Switches, ASA firewall
- Knowledge on ASA firewall (Access & deny IP/URL, VPN user id Creation & managing), Cisco Any connect VPN - Installing and troubleshooting knowledge in end user desktops
- Installing, Configuring and troubleshooting cisco IP Phones (Managing Cisco Call manager with 400+ Ip phones)
- Working experience with Solar wind monitoring tool (Create, delete modify nodes)
- Coordinating with the ISP ticketing tool for link down and other technical issues
- Preparing & Sharing monthly Downtime reports, link utilization reports, VPN user reports, technical/non-technical power point documentation to customer
Network Engineer
Royal Sundaram Insurance (Payroll-Precision Infomatic)
03.2017 - 02.2019
- Working and Coordinating with ISP ticketing tool for WAN link issues (Sify, Reliance, Tata, Airtel), Monitoring PAN India 100+MPLS links and its troubleshooting
- Experience in Cisco Router & Switch configuring and installation
- Configuring and sending routers and switches for new branches (Basic LAN, WAN configurations with DHCP)
- Basic configuring & troubleshooting knowledge on HP & Juniper devices
- Wireless device installation & Configuration (Cisco, Techrouter, Dlink)
- Working experience with Solar wind monitoring tool & managing nodes
- Preparing monthly wise link utilization reports, Weekly Downtime reports, Maintaining network assets
- L3 Vlan creation and tagging into Cisco and Juniper switches
- Coordinating with third party vendors for connectivity issues – ISP, Data Center
- Troubleshooting knowledge on LAN, WAN & Critical issues
Desktop Support Engineer
DDB Mudra group (Payroll-Care IT Solutions)
07.2016 - 01.2017
- Installing All kinds of windows OS like xp,7,8, server 2003, server 2008
- Network printer driver installation and its troubleshooting
- Ticket raising for WAN link issues & Vlan changing in 2960 Switches
- MS Outlook Mail configuration and its troubleshooting
- Working knowledge on remote desktop (Team viewer, Ammy Admin, Any desk)
- Interact with staff on desktop problems and their resolutions
- Troubleshooting LAN connectivity problem (wired, wireless)
- Handle daily technical support activities on desktop support
- Backup PST and other data files
Data Entry Associate
Openwave Computing Services
12.2015 - 05.2016
- Advertisement on Facebook
- Account Creation for various web pages, Validation
- Preparing MIS reports and Maintenance
Associate - Back Office
Chola Business Services Limited
12.2014 - 08.2015
- Sending Receipt books to PAN India Branches & Managing
- Preparing and sending Daily Weekly Monthly wise MIS reports for Receipt books
- Mail handling and its follow up, Courier entry and update on daily basis
Education
Master of Computer Application - Computer Science
Dhanalakshmi Srinivasan college of eng and tech
Mamallapuram, Chengalpattu, Tamil Nadu06.2013
Bachelor of Arts - Computer Science
Subramanya Swamy Govt Arts and Science College
Tiruttani, Tiruvallur, Tamil Nadu04.2010
High School Diploma - Computer Science
Goodlet Higher Secondary School
Sholinghur, Ranipet, Tamil Nadu03.2007
School Diploma - 10th High School
Govt Boys high school
Sholinghur, Ranipet, Tamil Nadu04.2005
Skills
- Network Data: Cisco Routing and switching, Meraki, SDWAN, Juniper, Cisco Wireless networks
- Security: ASA firewall, Palo Alto Firewall
- IT troubleshooting
- Network Voice: Cisco Call manager & IP Phones
- Network administration
Languages
English
Bilingual or Proficient (C2)
Tamil
Bilingual or Proficient (C2)
Telugu
Advanced (C1)
Timeline
IT Analyst
Current TCS Payroll (Previous payroll VHS & Forte Solutions)
01.2021 - Current
Network Administrator
Hyundai Mobis (Payroll-Alchemy Techsol)
02.2019 - 12.2020
Network Engineer
Royal Sundaram Insurance (Payroll-Precision Infomatic)
03.2017 - 02.2019
Desktop Support Engineer
DDB Mudra group (Payroll-Care IT Solutions)
07.2016 - 01.2017
Data Entry Associate
Openwave Computing Services
12.2015 - 05.2016
Associate - Back Office
Chola Business Services Limited
12.2014 - 08.2015
Bachelor of Arts - Computer Science
Subramanya Swamy Govt Arts and Science College
High School Diploma - Computer Science
Goodlet Higher Secondary School
School Diploma - 10th High School
Govt Boys high school
Master of Computer Application - Computer Science
Dhanalakshmi Srinivasan college of eng and tech
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