Seenivasan B
Chennai
Summary
- 14 years in the IT industry with expertise in Network and Cloud Engineering.
- Senior Network Administrator at Allucent India Pvt Ltd.
- Proficient in designing, implementing, and managing hybrid network infrastructures across cloud and on-premise environments.
- Certifications in AWS, CCNP, and ITIL.
- Hands-on experience with Routing, Switching,Wireless, Firewall configurations, and VPN solutions.
- Skilled in deploying and maintaining secure, scalable, and high-performing enterprise networks.
- Strong understanding of networking protocols, cybersecurity best practices, and ITIL processes.
- Expertise in troubleshooting complex network issues.
- Experience in leading global IT team & projects.
- Collaborates with cross-functional teams to enhance network performance and reliability.
Overview
17
17
years of professional experience
1
1
Certification
Work History
Senior Network Administrator
Allucent India Pvt Ltd
09.2023 - Current
- Led network operations across 26 countries in APAC, EMEA, and AMER regions.
- Designed and maintained hybrid network infrastructure including AWS-to-on-premise connectivity.
- Collaborated with global ISPs and regional teams to ensure uptime and resolve local network issues.
- Handled VPN migrations using SonicWALL, FortiGate to Unifi firewall transitions.
- Managed incidents, changes, and problems within SLA guidelines and ITIL practices.
Senior Cloud Engineer - Network
Noodle Analytics Pvt Ltd
08.2022 - 09.2023
- Managed AWS networking for 26 customer accounts including VPC, subnets, gateways, and security groups.
- Maintained VPN tunnels, IPSec configurations, and handled Netskope/Zscaler administration.
- Monitored and managed FortiWeb WAF, DNS via OnlyDomains, and used Zabbix for infrastructure monitoring.
Network Engineer II
Thermo Fisher Scientific
04.2018 - 07.2022
- Led network design and implementation for global infrastructure across the TFS organization.
- Managed F5 Load Balancers, FortiGate firewalls, and Cisco switching/routing infrastructure.
- Handled escalation and replacement for end-of-life Cisco devices within SLA.
- Administered wireless controllers, WAPs, and coordinated with global ISPs for reliable connectivity.
- Used SolarWinds, Splunk, and other tools for real-time network monitoring and performance tuning.
Senior Voice/Data Network Analyst
Optum Global Solutions
11.2016 - 04.2018
- Administered LAN, WAN, and wireless configurations, including documentation via Microsoft Visio.
- Performed IOS upgrades and hardware replacements on Cisco switches, routers, and WLCs.
- Created DHCP scopes and managed DNS entries using QIP tools.
- Executed failover tasks and redundancy testing for core switches and service provider links.
- Collaborated with data center teams and managed Tier-5 audit documentation for compliance.
Senior Network Admin
Microland Ltd (GE Corp)
07.2014 - 11.2016
- Supported GE's global network infrastructure including LAN, WAN, and wireless across multiple sites.
- Managed Cisco router, switch, and WLC configurations, IOS upgrades, and IPAM/DNS entries.
- Handled network incident management, DHCP scope creation, and Visio documentation.
- Ensured CMDB and audit documentation compliance for data center operations.
Executive Engineer (L2)
TATA Communications Ltd
11.2013 - 07.2014
Network Engineer (L1)
Reliance Communications Ltd
08.2008 - 08.2011
Education
M.Tech - Wireless Communication
Pondicherry Engineering College
05-2013
B.E - Electronics and Communication
P.S.R Engineering College
05-2008
Skills
- BGP/OSPF/EIGRP
- VLAN/STP/RSTP
- HSRP/VRRP
- FortiGate/SonicWall
- Netskope
- AWS-VPC, TGW, S2S VPN
- SolarWinds / Zabbix
- Scrutinizer / Splunk
- TCP/IP / DNS / DHCP
- OSI Model
- ITIL / Jira
- Service Now
- Fresh
Accomplishments
- Supervised team of 7 Engg's globally.
- Achieved new Network Infrastructure by completing migration project with accuracy and efficiency.
Certification
- AWS Certified
- Cisco CCNA & CCNP
- ITIL Certified
- FortiGate Certified
Languages
Tamil
English
Telugu
Timeline
Senior Network Administrator
Allucent India Pvt Ltd
09.2023 - Current
Senior Cloud Engineer - Network
Noodle Analytics Pvt Ltd
08.2022 - 09.2023
Network Engineer II
Thermo Fisher Scientific
04.2018 - 07.2022
Senior Voice/Data Network Analyst
Optum Global Solutions
11.2016 - 04.2018
Senior Network Admin
Microland Ltd (GE Corp)
07.2014 - 11.2016
Executive Engineer (L2)
TATA Communications Ltd
11.2013 - 07.2014
Network Engineer (L1)
Reliance Communications Ltd
08.2008 - 08.2011
M.Tech - Wireless Communication
Pondicherry Engineering College
B.E - Electronics and Communication
P.S.R Engineering College