L2/L3 Networking Protocols Test Engineer – Python Automation

4 days ago


bangalore, India L&T Technology Services Full time

Position Title: L2/L3 Networking Protocols Test Engineer – Python AutomationLocation: BangaloreExperience Required: 5+ YearsEmployment Type: Full-TimeRole Overview:We are looking for a skilled and motivated Test Engineer with strong expertise in L2/L3 networking protocols and Python-based automation. The ideal candidate will be responsible for validating complex networking features, automating test cases, and ensuring high-quality software delivery for embedded and networking products.Key Responsibilities:Design and execute manual and automated test cases for L2/L3 networking protocols (e.g., TCP/IP, VLAN, OSPF, BGP, MPLS).Develop and maintain Python automation scripts for functional, regression, and performance testing.Analyze test results, identify defects, and work closely with development teams to resolve issues.Perform packet-level analysis using tools like Wireshark, Scapy, or similar.Validate protocol compliance, interoperability, and scalability under various network conditions.Contribute to test strategy, test planning, and test documentation.Collaborate with cross-functional teams including development, QA, and system engineering.Participate in continuous integration and DevOps workflows for automated testing.Required Skills:5+ years of experience in manual and automated testing of networking products.Strong understanding of L2/L3 networking protocols and their real-world applications.Proficiency in Python scripting for automation and test framework development.Experience with networking test tools (e.g., IXIA, Spirent, Wireshark).Familiarity with Linux/Unix environments and shell scripting.Good analytical and debugging skills.Excellent communication and documentation abilities.Preferred Qualifications:Experience with embedded networking systems or network appliances.Exposure to SDN/NFV, virtualization, or cloud networking is a plus.Knowledge of CI/CD tools like Jenkins, GitLab CI.Bachelor’s or Master’s degree in Computer Science, Electronics, or related field.Certifications like CCNA/CCNP or equivalent are an advantage.



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