Sr. Software QA Engineer

Harmonic; Bengaluru; Hybrid; INR 1,200,000 - 1,800,000; Full time

Job summary

Harmonic is seeking a Sr. Software QA Engineer in Bengaluru. This hybrid role involves testing complex embedded systems, requiring expertise in PON architecture and networking protocols. You will execute acceptance test suites and collaborate with R&D teams to resolve interoperability issues. Candidates should possess a BE/B.Tech/M.E/M.Tech and 5+ years of QA experience. Join a diverse team driving innovation in virtualized broadband solutions.

Qualifications

• 5+ years of hands-on experience in networking systems QA, integration, or R&D.
• Proven ability to write clear test plans, test cases, and execute test scenarios.
• Strong knowledge of PON architecture and networking protocols.

Responsibilities

• Execute and maintain the build acceptance test suite for customer deployments.
• Diagnose interoperability issues between ONUs and Harmonic’s vOLT.
• Collaborate with R&D Scrum teams to provide detailed technical analyses.

Skills

Networking systems QA

PON architecture expertise

Linux systems proficiency

Automated testing

Agile/Scrum methodology

Analytical problem-solving

Education

BE/B.Tech/M.E/M.Tech in CS/EC/IT

Tools

Wireshark

tcpdump

CI/CD tools (e.g., Jenkins)

Python

Bash

Job description

Sr. Software QA Engineer

Harmonic is the worldwide leader in virtualized broadband solutions, enabling operators to deploy gigabit internet services flexibly across homes and mobile devices.

Location

Hybrid role – working 3-4 days a week from our office in Bangalore.

Role Description

We are seeking a Senior QA Engineer to join our Broadband R&D organization. In this role, you will be responsible for integration and end‑to‑end testing of complex embedded systems that involve both hardware and software components. The position requires strong PON domain expertise, hands‑on debugging skills, and the ability to execute and enhance automated test frameworks.

What You Will Be Doing

• Execute and maintain the build acceptance test suite used to qualify products for customer deployments
• Diagnose and resolve complex interoperability issues between ONUs and Harmonic’s vOLT through in‑depth analysis of logs, traces, and source code
• Analyze requirements for automated testing and maintain CI test suites by integrating new tests (written in Python) developed by other teams, while optimizing structure and coverage
• Collaborate closely with R&D Scrum teams to investigate complex issues, providing detailed technical analysis and reproducible scenarios
• Utilize automation and debugging tools to improve test coverage, execution efficiency, and root‑cause analysis

What You Will Need To Succeed

• BE/B.Tech/M.E/M.Tech degree in CS/EC/IT or equivalent experience
• 5+ years of hands‑on experience in networking systems QA, integration, or R&D
• Proven experience in writing clear test plans, test cases, and bug reports, as well as executing test scenarios
• Strong knowledge of PON architecture, protocols, and specifications, including OLT/ONU interoperability
• Deep understanding of networking protocols, including IEEE 802.1Q/ad bridging and/or IPv4/IPv6 unicast and multicast routing
• Experience working in Agile/Scrum environments
• Proficiency with Linux systems and network debugging tools (e.g., Wireshark, tcpdump)
• Strong analytical and problem‑solving skills with the ability to perform deep root‑cause analysis
• Excellent collaboration and communication skills in English. Ability to communicate effectively with different groups.

Would Be a Plus

• Experience with traffic generation tools (IXIA, iPerf)
• Experience with CI/CD tools (e.g., Jenkins)
• Scripting experience (Python, Bash, etc.)
• Hands‑on experience with virtualization technologies (Kubernetes, Docker)
• Background as a Networking/DevOps Engineer

Diversity, Equality, And Inclusion At Harmonic

At Harmonic, we believe that building and nurturing a global team with diverse backgrounds and voices is critical to our success. Together, we achieve excellence through creativity and innovation, building relationships based on integrity and mutual respect, and delivering the highest quality in every aspect of our business for the benefit of our employees, partners, and shareholders.

Equal Opportunity Employer Statement

Harmonic is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, or veteran status.