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
Similar Profiles
Kristin Bobbitt-O’MalleyKristin Bobbitt-O’Malley
Senior Director, Global Head Clinical Team Leads at AllucentSenior Director, Global Head Clinical Team Leads at Allucent
Sydney ROOKSSydney ROOKS
Proposals Associate II at AllucentProposals Associate II at Allucent
Hemang ParbatHemang Parbat
Director, Pharmacovigilance at Allucent Research Canada Inc.Director, Pharmacovigilance at Allucent Research Canada Inc.
Ranjitha KolanginathanRanjitha Kolanginathan
Lead Consultant at Virtusa Consulting ServicesLead Consultant at Virtusa Consulting Services
JAWAHAR RJAWAHAR R
Airport-customer-service-agent at AI AIRPORT SERVICE LIMITEDAirport-customer-service-agent at AI AIRPORT SERVICE LIMITED