VAISHNAVI SINGH
Summary
Technical Support Engineer with 2+ years of experience at Cisco TAC, specializing in troubleshooting complex enterprise networking issues across Layer 2 and Layer 3 environments. Experienced in diagnosing and resolving problems involving TCP/IP, DNS, DHCP, VLAN, STP, OSPF, BGP, and MPLS in production networks.
Skilled in performing packet capture analysis using Wireshark to identify connectivity issues, latency problems, and protocol-level failures. Proven ability to own customer incidents end-to-end, perform root cause analysis, and collaborate with cross-functional engineering teams to resolve critical network issues.
Strong understanding of network fundamentals and the OSI model, with foundational exposure to cloud networking concepts and hybrid connectivity models.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Technical Consulting Engineer
CISCO SYSTEMS
Bengaluru
12.2022 - 06.2025
- Troubleshot enterprise networking issues involving TCP/IP, DNS, DHCP, VLAN, STP, OSPF, BGP, and MPLS protocols.
- Performed packet capture and traffic analysis using Wireshark to identify network connectivity problems, retransmissions, and protocol-related issues.
- Conducted root cause analysis (RCA) for network incidents and provided recommendations to prevent recurrence.
- Reduced average case resolution time by 30% through effective troubleshooting and packet-level diagnostics.
- Investigated network connectivity problems by analyzing routing tables, packet captures, and protocol behavior.
- Managed and resolved high-severity customer cases, ensuring timely communication and resolution.
- Collaborated with internal engineering teams to escalate and resolve complex network issues.
- Assisted enterprise customers in diagnosing routing and switching issues impacting production networks.
Education
M.SC - Clinical Nutrition & Dietetics
Isabella Thoburn College
08.2021
B.SC - Nutrition
Isabella Thoburn College
06.2019
Skills
Networking Protocols :
TCP/IP, OSI Model, DNS, DHCP, VLAN, STP, OSPF, BGP, MPLS, Layer 2 Switching, Layer 3 Routing, HTTP/HTTPS, and VPN
Network Troubleshooting :
Packet Capture Analysis, Wireshark, Network Monitor, Root Cause Analysis, Network Diagnostics, Connectivity Troubleshooting
Cloud Concepts :
Public Cloud Fundamentals, Hybrid Cloud Architecture, Basic Cloud Networking Concepts
Diagnostic Tools :
Wireshark, Netmon, Ping, Traceroute, Network Monitoring Utilities
Support Skills :
Technical Support, Incident Ownership, Customer Case Management, Cross-Team Collaboration
Custom Section
LinkedIn, http://linkedin.com/in/vaishnavi-singh-b4575718b
Certification
- Microsoft Azure Fundamentals (AZ-900) — Planned
Timeline
Technical Consulting Engineer
CISCO SYSTEMS
12.2022 - 06.2025
M.SC - Clinical Nutrition & Dietetics
Isabella Thoburn College
B.SC - Nutrition
Isabella Thoburn College