Network Test Engineer_ Bangalore/Pune/Noida

Tech Mahindra; Dadri, Pune District, Bengaluru; On-site; INR 900,000 - 1,300,000; Full time

Job summary

Tech Mahindra seeks a Senior Network Test Engineer to validate network features and protocols across MPLS, VPNs, and routing protocols. You will set up lab environments, reproduce real customer networks, and collaborate with developers to resolve issues.

The role requires 5 to 10 years of experience in network test engineering, with hands-on work in L2/L3 VPNs, routing, and network automation using Python, Ansible, and REST APIs. Work location includes Bangalore, Pune, or Noida, on-site.

Qualifications

• Experience in feature and protocol testing of networks.
• Proficient in regression testing across software versions.
• Hands-on in MPLS/BGP/OSPF routing environments and VPN testing.

Responsibilities

• Test network routing features to ensure they work as designed.
• Re-test existing features across versions to find bugs or performance drops.
• Set up and test L2/L3 VPNs (VPLS, VPWS, EVPN) and ensure traffic integrity.

Skills

Feature testing

Regression testing

VPN testing (L2/L3)

Lab setup

Troubleshooting

Network automation

Tools

IxNetwork

Spirent

Wireshark

Job description

Senior Network Test Engineer

Experience: 5 to 10 Years

Work location: Bangalore/ Pune/ Noida

1. Feature & Protocol Testing: Test network routing features to ensure they work exactly as designed.
2. Regression Testing: Re test existing features across different software versions to find new bugs or performance drops.
3. L2 & L3 VPN Testing: Set up and test virtual private networks, ensuring traffic flows correctly and safely between virtual routers.
4. Lab Setup: Recreate real world customer networks in a lab environment using traffic generators.
5. Troubleshooting: Find network bugs, analyze packet captures (Wireshark), and work with developers to fix them.
6. Network automation: Python, Ansible, REST APIs

Technologies:

1. MPLS Basics: Good understanding of how MPLS works, including LDP and RSVP TE.
2. VPN Services: Hands on experience testing L3VPNs and L2VPNs (VPLS, VPWS, EVPN).
3. Routing Protocols: Strong knowledge of how BGP / MP BGP, OSPF, and IS IS build paths and neighbors.
4. Network Convergence: Experience testing fast failover mechanisms like BFD and FRR (Fast Reroute).

Testing Tools: Experience using hardware traffic tools like Ixia (IxNetwork) or Spirent, along with Wireshark.