Senior Automation Tester - Networking L2/L3 Protocol Testing
United States
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Job Description
Senior Automation Tester - Networking L2/L3 Protocol Testing
San Jose, California

Job Summary

We are seeking a highly skilled Data Networking QA Engineer (Testing & Automation) to join our team. The ideal candidate will have strong networking domain expertise, hands-on experience with Python and GoLang automation, and a proven track record of diagnosing and resolving complex routing issues. This role involves the design, testing, and automation of large-scale network solutions, leveraging modern protocols and leading hardware platforms.

Key Responsibilities

Design, develop, and execute automated test plans for network protocols (ISIS, BGP, MPLS, MPLS-TE, L2/L3 VPN, Segment Routing, EVPN, IPv6, Multicast, MPLS-LDP/RSVP-TE).

• Automate testing workflows using Python and GoLang, ensuring coverage of network features and regression scenarios.

• Configure and test Cisco XR routing hardware and related platforms; collaborate closely with engineering teams to validate new features.

• Utilize IXIA, Spirent, and similar traffic generators for functional and performance testing.

• Collect and analyze telemetry, gNMI, SNMP, gRPC, Netconf, and OpenConfig YANG models for monitoring, diagnostics, and test validation.

• Troubleshoot and resolve issues across large-scale, complex routing networks; provide root-cause analysis and actionable recommendations.

• Maintain and enhance test automation frameworks and scripts in UNIX/Linux environments (Bash/Unix Shell).

• Collaborate with developers and QA peers to improve automation coverage, test reliability, and operational effectiveness.

Skill Requirements

• 5-10 years of hands-on experience in networking QA/testing and automation.

• Proficiency in Python and GoLang for test automation and development.

• Strong expertise in networking technologies: ISIS, BGP, MPLS, MPLS-TE, L2/L3 VPN, EVPN, Segment Routing, IPv6, Multicast, MPLS-LDP/RSVP-TE.

• Practical experience with Cisco XR routing hardware and active involvement in current networking environments.

• Skilled in UNIX/Linux systems and Bash/Unix Shell scripting.

• Familiarity with IXIA, Spirent, and other network traffic generators.

• Experience with telemetry, gNMI, SNMP, gRPC, Netconf, OpenConfig YANG models.

• Ability to design, troubleshoot, and optimize complex routing setups (including BGP and OSPF).

• Proven track record in diagnosing and resolving issues in large-scale, complex routing networks.

• Excellent communication, collaboration, and problem-solving skills.

Other Requirements
Maximum Salary (US): 
Minimum Salary (US): 
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion. 

 

Compensation and Benefits

A candidate’s pay within the range will depend on their skills, experience, education, and other factors permitted by law. This role may also be eligible for performance-based bonuses subject to company policies. In addition, this role is eligible for the following benefits subject to company policies: medical, dental, vision, pharmacy, life, accidental death & dismemberment, and disability insurance; employee assistance program; 401(k) retirement plan; 10 days of paid time off per year (some positions are eligible for need-based leave with no designated number of leave days per year); and 10 paid holidays per year.