TEST ARCHITECT - Switching and routing

Happiest Minds Technologies; Bengaluru; On-site; INR 3,000,000 - 4,200,000; Full time

Job summary

Happiest Minds Technologies in Bengaluru is seeking an experienced Network Test Engineer with strong Python coding ability to validate high-performance, enterprise-grade networking features. The role spans routing, switching, virtualization, and performance testing in traditional and containerized environments.

The ideal candidate will bring hands-on Python expertise, PyATS and PyTest experience, and familiarity with Cisco NOS platforms (NX-OS, IOS, XR, XE).

Qualifications

• 12-15 years of experience in network testing and automation.
• Strong hands-on experience in Python programming (Mandatory).
• Proficiency in test automation tools and frameworks: Pytest, Robot Framework.
• Solid understanding and testing experience with Layer 2 and Layer 3 protocols.

Responsibilities

• Design and execute comprehensive test plans and automation scripts for L2/L3 networking features from scratch.
• Develop and enhance test automation frameworks using Python, integrating with PyATS, Pytest, and Robot Framework.
• Validate protocols and features across L2 and L3 layers on Core/Edge routers and Data Center switches.
• Perform system-level, regression, performance, and stress testing for high-throughput networking platforms.
• Validate containerized network solutions using Docker and Linux OS.

Skills

Python

Test automation

PyATS

PyTest

Robot Framework

Linux OS

Docker

L2 protocols

L3 protocols

VLAN

VXLAN

OSPF

BGP

MPLS

DHCP

ACLs

QoS

Tools

NXOS

IOS

XR

XE

Cisco NOS

Job description

Role Summary

We are looking for experienced Network Test Engineers with strong Python coding ability to join our dynamic team responsible for validating high-performance, enterprise-grade networking features. The ideal candidates will have strong domain knowledge in L2/L3 protocols, multicast routing, automation with Python, and test framework development. Engineers will be involved in validating features across routing, switching, virtualization, and performance scenarios in both traditional networking stacks and containerized environments.

Key Responsibilities

• Design and execute comprehensive test plans and automation scripts for L2/L3 networking features from scratch


• Develop and enhance test automation frameworks using Python, integrating with tools such as PyATS, Pytest (hands-on coding is mandatory)


• Validate protocols and features across L2 and L3 protocols (Mandatory)


• Perform validation across different layers of a Core / Edge router and Data Center switch


• Execute system-level, regression, performance, and stress testing for high-throughput networking platforms.


• Worked on Cisco NxOS, IOS, XR, XE or equivalent NOS


• Ability to validate merchant ASIC-based switches, or platforms like Exablaze 3550.


• Validate containerized network solutions using Docker and Linux OS


• Collaborate with developers, support, and system architects to debug and resolve complex networking issues


• Participate in agile ceremonies, daily scrums, and sprint reviews for feature testing and delivery

Skills And Qualifications

• 12 -15 years of experience in network testing and automation.


• Strong hands-on experience in Python programming (Mandatory)


• Proficiency in test automation tools and frameworks: Pytest, Robot Framework.


• Solid understanding and testing experience with:


• Layer 2: VLAN, LACP, vPC, Spanning Tree (STP), VXLAN, MacSec


• Layer 3: OSPF, BGP EVPN, Layer-3 virtualization


• MPLS, Transport bridging, PBB


• Others: DHCP, ACLs, QoS


• Working knowledge of Linux OS and scripting.


• Experience in validating high-speed Ethernet interfaces (10/25/40/100 Gbps).


• Familiarity with Cisco OS platforms (NX-OS, IOS, etc) and merchant silicon (ASICs)


• Proven experience on Traffic testing and Validation (using IXIA, Trex) is mandatory

Switching and routing,VLAN,Spanning Tree Protocol (STP),VXLAN,VxLAN-EVPN,OSPF Protocol,Border Gateway Protocol (BGP),Pytest,Python