L Sathwika
🎓 Computer Science Graduate | Aspiring Network Engineer | Passionate About Networking & Infrastructure
- Role
- Network Engineer at Pfizer
- Location
- Houston, TX, US
- LinkedIn followers
- 500 followers
About L Sathwika
As a dedicated Network Engineer with 3+ years of experience, I specialize in managing and…
Experience
Network Engineer
May 2023 — Present · Cambridge, MA, US
Worked on global LAN/WAN network maintenance, monitoring, and troubleshooting* Configured Cisco routers/switches (3750, 6500, ASR 1002, Nexus 7k/5k/2k) – VLANs, STP, ACLs, EIGRP, BGP* Assigned IPs and configured ports/port channels for Windows, Linux, Unix, ESX servers* Attended escalation calls with senior Pfizer engineers and Cisco TAC for critical issue resolution* Performed IOS upgrades/downgrades and replaced faulty hardware in live environments* Used SolarWinds, Cisco Works NCM, What\'s Up Gold, Orion NPM, Cacti, VitalQIP for network monitoring* Handled server connectivity, trunking, HSRP, DHCP, STP, and bandwidth issues* Executed site-wide power maintenance and post-restore network/voice validations* Improved SNMP and TACACS configs for better monitoring and access control* Maintained SLAs, managed change requests/incidents, and updated CMDB and network diagrams* Participated in global network optimization – improved bandwidth utilization by 25%* Deployed new stack switches – expanded port availability across multiple zones
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