TEST MODULE LEAD - Python

Happiest Minds Technologies; Bengaluru; On-site; INR 1,200,000 - 2,200,000; Full time

Job summary

Happiest Minds Technologies in Bengaluru seeks experienced Network Test Engineers to validate high-performance networking features. Strong Python coding, L2/L3 protocol knowledge, and test framework development are essential.

You will automate using PyATS/Pytest, test across routing, switching, virtualization, and containerized environments, and collaborate with architects to ensure robust, scalable solutions.

Qualifications

• 5–8 years of experience in network testing and automation.
• Strong hands-on Python programming (Mandatory).
• Experience with PyTest and Robot Framework required.
• Knowledge of L2/L3 protocols and testing of high-speed interfaces.

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.
• Validate protocols and features across L2 and L3 protocols (Mandatory).
• Perform validation across different layers of Core/Edge routers and data center switches.
• Execute system-level, regression, performance, and stress testing for high-throughput platforms.
• Collaborate with developers and architects to debug networking issues.

Skills

Python programming

Test automation

Networking protocols

L2/L3 testing

PyATS / Pytest

Docker / containerized testing

Tools

IXIA / Trex

Robot Framework

Linux scripting

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)
• Fast Path, Data Panel. VxLAN, IP Routing protocols OpenSSL, NAT, Linux native IPSEC (Mandatory), MacSec (highly desirable).
• 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.
• 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

• 5-8 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

Python,VxLAN-EVPN,OSPF,LACP,L2/L3,Switching/Routing,Python automation testing,Automation framework,MPLS,BGP,STP,RSTP,Manual Testing,Test Cases,Test Case Execution