– Senior Support Engineer – Enterprise & Data Center Networking

Department: Technical Support / Engineering

Experience: 5+ Years

Location: India

Employment Type: Full-time

Position Overview

Edgecore Networks is looking for an experienced Senior Support Engineer – Enterprise & Data Center Networking to provide advanced technical support for Edgecore's Ethernet switching solutions.

The role will be responsible for handling complex technical escalations, troubleshooting enterprise and data center networks, supporting customer Proof-of-Concepts (PoCs) and deployments, reproducing field issues in the lab, and working closely with R&D;, QA, Product Management and Field Engineering teams.

The ideal candidate should have strong hands-on knowledge of Ethernet switching, Layer 2/Layer 3 networking, TCP/IP, Linux-based network operating systems and network troubleshooting, with the ability to diagnose issues across configuration, protocols, NOS/software, hardware, optics and physical connectivity.

Key Responsibilities

- Technical Support & Escalation

- Act as a Level 2/Level 3 technical escalation point for complex customer and partner issues.
- Own technical cases from initial investigation through resolution and closure.
- Troubleshoot issues related to switch configuration, networking protocols, NOS/software, hardware, optics and physical connectivity.
- Analyze configuration files, system logs, packet captures, interface statistics and diagnostic information.
- Identify root cause and provide appropriate workarounds and permanent solutions.
- Conduct technical troubleshooting sessions with customers, partners and internal engineering teams.
- Communicate technical findings and solutions clearly to both technical and non-technical stakeholders.

2. Enterprise & Data Center Networking
- Troubleshoot and support enterprise and data center Ethernet switching environments.
- Strong understanding of Layer 2 protocols including:
- VLAN / 802.1Q
- QinQ
- STP / RSTP / MSTP
- LACP
- LLDP
- MAC learning and forwarding
- Troubleshoot Layer 3 technologies including:
- IPv4 / IPv6
- ARP / ND
- DHCP Relay
- VRRP
- OSPF
- BGP
- ECMP
- ACL
- QoS
- Multicast / IGMP
- Support data center networking architectures such as leaf-spine / Clos, BGP-based fabrics, ECMP, MLAG/MC-LAG and, where applicable, VXLAN/EVPN.
- Investigate interoperability issues in multi-vendor networking environments.

3. PoC & Customer Deployment Support
- Provide hands-on technical support during customer PoCs, product evaluations and production deployments.
- Understand customer requirements and translate them into appropriate switch configurations and test scenarios.
- Design and validate network topologies for PoCs and customer deployments.
- Troubleshoot issues encountered during installation, configuration, testing and deployment.
- Validate interoperability with servers, NICs, routers, firewalls, storage systems, optics and other networking vendors.
- Prepare PoC reports, test results, technical observations and deployment recommendations.




- Support customers in validating Edgecore solutions against their network requirements.

4. Lab Reproduction & Root Cause Analysis
- Reproduce customer-reported issues in a controlled lab environment.
- Build test topologies to isolate networking, software, hardware and interoperability issues.
- Perform packet-level troubleshooting using Wireshark, tcpdump and similar tools.
- Analyze:
- System and application logs
- Interface counters
- MAC / ARP / routing tables
- CPU and memory utilization
- Port statistics
- System diagnostics
- Investigate crashes, core dumps and software defects where required.
- Prepare detailed reproduction steps and technical information for R&D; investigation.
- Validate software fixes, patches and firmware releases.
- Perform regression testing for customer-reported issues.

5. Linux & Network Operating System Support
- Troubleshoot Linux-based network operating system environments.
- Work with Linux networking components including:
- Network interfaces
- Bridges
- VLANs
- Bonding
- Routing
- Processes and services
- System resources
- Use Linux command-line tools and utilities for system and network troubleshooting.
- Experience with SONiC or other Linux-based Network Operating Systems will be an advantage.
- Basic scripting or automation experience using Python, Shell or similar technologies is preferred.

6. Ethernet, Hardware & Optics Troubleshooting
- Troubleshoot Ethernet connectivity and physical-layer issues including:
- Link flaps
- CRC errors
- Packet drops
- FEC errors
- Speed/duplex issues
- MTU / Jumbo Frames
- Transceiver and cable-related issues
- Hands-on understanding of Ethernet interfaces and transceivers such as:
- SFP / SFP+
- SFP28
- QSFP / QSFP28
- QSFP-DD
- DAC / AOC
- Optical transceivers
- Understanding of 1G, 10G, 25G, 40G, 100G and higher-speed Ethernet technologies.
- Knowledge of switching ASICs such as Broadcom, Marvell or Intel will be an added advantage.
- Ability to identify whether an issue is related to configuration, software, ASIC, hardware, optics, cabling or external equipment.

7. Customer & Cross-functional Collaboration
- Work directly with customers, system integrators, channel partners and field engineering teams.
- Collaborate with R&D;, QA and Product Management to resolve complex technical issues.
- Provide R&D; with complete technical information including:
- Problem statement
- Customer configuration
- Logs
- Packet captures
- Reproduction steps
- Expected vs. actual behavior
- Track technical issues through resolution and validate fixes before customer release.
- Provide feedback to Product Management and R&D; regarding recurring customer issues, product improvements and feature requirements.
- Create technical documentation including RCA reports,



troubleshooting guides, knowledge-base articles and deployment guidelines.

Required Technical Skills

- 5+ years of experience in technical support, network engineering, system engineering, network validation or a related networking role.
- Strong hands-on experience with Enterprise and/or Data Center Ethernet switching.
- Strong understanding of TCP/IP, Ethernet and Layer 2/Layer 3 networking.
- Hands-on troubleshooting experience with VLAN, STP, LACP, routing and switching protocols.
- Good working knowledge of BGP and OSPF.
- Experience with packet analysis using Wireshark and tcpdump.
- Solid Linux command-line and troubleshooting skills.
- Experience using networking utilities such as:
- ping
- traceroute
- ip / iproute2
- ethtool
- ss / netstat
- tcpdump
- Experience handling customer escalations and critical technical issues.
- Experience supporting PoCs, deployments, network validation or customer environments.
- Strong analytical and problem-solving skills.
- Good verbal and written communication skills.

Preferred / Added Advantage

- Experience with SONiC or other open-source/Linux-based NOS platforms.
- Experience with BGP EVPN / VXLAN and data center leaf-spine networks.
- Knowledge of Broadcom switching ASICs, SAI and NOS/ASIC interaction.
- Experience troubleshooting 100G/200G/400G Ethernet and high-speed optics.
- Knowledge of FEC, SerDes and physical-layer troubleshooting.
- Exposure to RoCE/RDMA and data center networking.
- Python, Shell, Ansible or network automation experience.
- Experience with traffic generators such as Ixia, Spirent or equivalent.
- Exposure to Kubernetes/container networking or virtualization environments.
- Experience working in multi-vendor networking environments.
- CCNA, CCNP, JNCIP or equivalent networking knowledge/certification.

Educational Qualifications

- B.E. / B.Tech in Computer Science, Electronics, Electronics & Communication, Telecommunications, Information Technology or a related engineering discipline.
- Equivalent technical qualifications with strong relevant networking experience may also be considered.

Key Competencies

Enterprise Networking | Data Center Networking | Ethernet Switching | Layer 2/Layer 3 | TCP/IP | Routing | BGP | OSPF | VLAN | STP | LACP | EVPN/VXLAN | Linux | SONiC | Packet Analysis | Wireshark | Switching ASICs | Optics | Technical Escalation | Root Cause Analysis | Customer Support | PoC Support | Deployment Support | R&D; Collaboration

Success in This Role The successful candidate will be able to independently handle complex customer escalations and troubleshoot issues across the network, NOS/software, switching ASIC, hardware, optics and physical layers.

The engineer should be capable of reproducing field issues in the lab, supporting customer PoCs and deployments, identifying root causes, providing technically sound solutions and working effectively with Edgecore's R&D;, QA, Product Management and Field Engineering teams to deliver successful customer outcomes.

Email

[email protected] [email protected]

📌 Senior Support Engineer (Bengaluru)
🏢 Edgecore Networks
📍 Bengaluru