Network Test Engineer
Self-employed
12 - 14 years
Bengaluru
Posted: 21/02/2026
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Job Description
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)
- Hands on experience in IPSec, Macsec, NAT, TCP/IP and other network security protocols.
- 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:
- 512 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, IPSec, NAT, UDP, TCP/IP, Open SSL, Network security protocols
- Layer 3: OSPF, BGP EVPN, Layer-3 virtualization, MPLS, Transport bridging, PBB, 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
Desirable Skills:
- Experience testing FPGA-based switches, SmartNICs, or custom hardware platforms.
- Exposure to Exablaze 3550 or similar ultra-low latency networking products.
- Experience with containerization and testing in Docker-based environments.
- Familiarity with XML configurations and automation workflows.
- Knowledge of DevOps tools and CI/CD integration for test automation.
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