Principal QA Engineer

Job Description

NION2026

As a Principal QA Engineer, you will be a technical leader, driving the strategy and execution of product feature verification for Optical DWDM Equipment and Protocol verification (OTN, GBE, DWDM, System Security). This role offers the opportunity to apply your expertise in complex system testing, automation, and cross-functional collaboration to ensure high-quality, carrier-grade products. If you are passionate about mentoring teams, defining robust test strategies, and contributing to continuous improvement, this position provides a platform to make a significant impact on product quality and customer satisfaction.

How You Will Contribute And What You Will Learn

• Provide technical leadership for the team to deliver Product Features across multiple releases.
• Develop the overall strategy for Optical DWDM Equipment and Protocol verification (OTN, GBE, DWDM, System Security).
• Review Product Requirements for features and estimate efforts, equipment, and schedule for release commitments.
• Review System Requirements and develop comprehensive Test strategies and Test plans to validate System Features and Customer deployment use cases.
• Develop cross-functional feature test scripts based on system requirements and Test plans.
• Manage Automation framework development/maintenance and Script/Suite execution, including analysis of failures.
• Collaborate with System Engineering, Test, Design, and Architecture teams on requirements and testing strategies.
• Provide detailed reports on test execution, defect analysis, resolution of defects, and an independent Quality view for Feature deployment.
  
  

NION2026

Key Skills And Experience

You have:

• A bachelor's degree or higher in Computer Science Engineering (CSE), Electrical and Electronics Engineering (EEE), or Electronics and Communication Engineering (ECE) with 10+ years of experience in System Testing one or more of the areas like Certifying Optical Networks (SONET/SDH/OTN/DWDM) systems in a product development environment and expertise in relevant standards. Certifying of ROADM, Optical amplifier line cards
• Expertise in optical and software design for optical equipment's that fit into a network node
• Proficiency in programming/scripting languages such as Python, Perl, or other relevant scripting languages.
• Experience in Automation framework development/maintenance, script/suite execution, and analysis of failures.
• Strong knowledge and experience in testing FCAPS, Provisioning & configuration, protection schemes, and Optical Controls, along with the usage of Test-set and OSA test equipment
  
  

Nice-to-have:

• Experience in system testing across multiple product releases and collaborating with customer support teams to address field escalations during deployments
  
  

About Us

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If you're interested in this role but don't meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

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