Abhijeet Singh
Delhi
Summary
Network Engineering Professional with 5+ years of experience managing large enterprise WAN and data‑center networks. Specialized in Cisco Nexus, BGP routing, Cisco & Meraki SD‑WAN, and deep troubleshooting using NetBrain and packet analysis. Experienced in major incident handling, proactive monitoring, and ServiceNow based ITIL operations across global environments.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Network Engineering Professional / L3 Data Engineer
BT GROUP
09.2023 - Current
- Perform advanced troubleshooting for enterprise WAN, BGP peering and reachability failures
- Lead Nexus upgrade and migration activities across production networks
- Support Cisco and Meraki SD‑WAN overlay/underlay connectivity and tunnel issues
- Use NetBrain for path analysis, network discovery and outage isolation
- Monitor infrastructure using entity monitoring platforms for proactive fault detection
- Handle P1/P2 major incidents and coordinate vendors for restoration
- Perform root cause analysis and preventive action implementation
- Operate through ServiceNow for incident, change and problem lifecycle
- Mentor engineers and review troubleshooting approach
- Validate routing convergence, redundancy and failover scenarios
Associate Network Engineer (Cisco TAC)
CAPGEMINI ENGINEERING
12.2020 - 09.2023
- Cisco TAC troubleshooting for Nexus switches and complex customer outages
- Performed NX‑OS upgrades, rollback and config‑sync recovery
- Resolved VPC, loops, CRC errors and control‑plane stability issues
- Recreated production scenarios in lab to isolate problems
Education
B.Tech -
Guru Gobind Singh Indraprastha University
01.2019
Skills
- Routing: BGP (Communities, Policy, Failover)
- OSPF
- EIGRP
- Redistribution
- Data Center: Nexus 2K/3K/5K/6K/7K/9K
- VPC
- Port‑Channels
- NX‑OS Upgrades
- SD-WAN: Cisco SD‑WAN
- Cisco Meraki SD‑WAN deployment
- Troubleshooting
- Monitoring: NetBrain automation workflows
- Entity Monitoring
- Observability platforms
- ITSM: ServiceNow Incident
- Change Management
- Problem Management
- Analysis: Packet Capture
- Control Plane Analysis
- Traffic Flow Verification
Certification
- Cisco Certified Network Associate (CCNA)
- Cisco Certified Specialist – Enterprise SD-WAN (CCNP SD-WAN)
Websites, Portfolios and Profiles
linkedin.com/in/abhijeet-singh-336834129
Timeline
Network Engineering Professional / L3 Data Engineer
BT GROUP
09.2023 - Current
Associate Network Engineer (Cisco TAC)
CAPGEMINI ENGINEERING
12.2020 - 09.2023
B.Tech -
Guru Gobind Singh Indraprastha University