Sr QA Engineer

Job description

Join us as a Senior QA Engineer and take ownership of ensuring the quality and performance of advanced optical networking solutions. In this role, you will design and drive test strategies and automation for Optical DWDM equipment and key protocols, including OTN, GBE, and DWDM, with a strong focus on system security. You will work across both manual and automated testing, enabling continuous execution and faster release cycles while improving overall product reliability.

This is an opportunity to work on cutting-edge technologies, influence quality at scale, and collaborate with high-performing teams in a dynamic and inclusive environment. NILightpath

Responsibilities

• Review system and product requirements to create comprehensive test plans that validate system features and real-world customer deployment scenarios
• Verify complex system features and functionality in carrier-grade products to ensure reliability and performance
• Develop cross-functional feature test scripts based on system requirements and test plans
• Design, maintain, and execute automated test frameworks, analyzing failures to improve system quality
• Partner with system engineering teams on requirements review, definition, and test plan validation
• Partner with test, design, and architecture teams to understand feature implementation and ensure effective testing coverage
• Provide detailed test execution reports, including defect analysis and resolution tracking
• Deliver independent quality insights and assessments to support confident feature deployment NIONGrowth

Qualifications

You Have

• Bachelor’s degree or higher in CSE, EEE, or ECE, with 5+ years of experience in testing and automation within optical network systems Hands-on experience testing SONET/SDH/OTN/DWDM systems, including ROADM and optical amplifier line cards, in a product development environment Experience in testing FCAPS, provisioning, configuration, and protection schemes to ensure system reliability
• Proficiency in using test equipment, including test sets and optical spectrum analyzers (OSA), and programming/scripting skills in Python, Perl, or equivalent languages
• Proven experience in system testing across multiple product releases, ensuring quality, consistency, and adherence to relevant standards Nice to Have: Strong understanding of optical and software design for network components within optical nodes Experience in testing FCAPS, provisioning, configuration, and protection schemes to ensure system reliability