Senior Test Automation Engineer, onsite in Petaluma, California

As the global leader in high-speed connectivity, Ciena is committed to a people‑first approach. Our teams enjoy a culture focused on prioritizing a flexible work environment that empowers individual growth, well‑being, and belonging. We’re a technology company that leads with our humanity—driving our business priorities alongside meaningful social, community, and societal impact.

Reporting to the Senior Manager, SVT/PV Engineering, as a Software Quality Assurance (SQA) Test Engineer, you will play an important role in ensuring the quality, reliability, and performance of Ciena’s industry‑leading networking products. You will collaborate with software developers, systems engineers, and product teams to validate new features and solutions through comprehensive automated testing.

You will contribute to the development of next‑generation networking solutions by designing, developing, and maintaining automated test suites that improve product quality and accelerate software delivery. Working across multiple Ciena product lines, you will help ensure that products meet customer requirements and are ready for deployment in carrier‑grade and enterprise environments.

• Design, develop, execute, and maintain automated test cases and test suites for software features, system functionality, and customer use cases.
• Develop and enhance automation frameworks to improve test coverage, scalability, efficiency, and maintainability.
• Create and execute functional, integration, system, regression, and solution‑level test plans to validate product capabilities and software releases.
• Analyze test results, identify defects, perform root‑cause analysis, and work closely with development teams to resolve issues.
• Participate in design reviews, requirements reviews, and test planning activities to ensure quality is incorporated throughout the development lifecycle.
• Support continuous integration and continuous testing initiatives by integrating automated test suites into Jenkins pipelines.
• Build and maintain test environments, configure test topologies, and validate networking solutions under realistic deployment scenarios.
• Collaborate effectively with software development, systems engineering, product management, and other quality engineering teams to support successful feature delivery.
• Contribute to continuous improvement of automation practices, testing methodologies, and overall product quality.
• Act as a customer advocate when designing and executing test cases. Act on behalf of customer to suggest improvements.

• Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical discipline.
• 5+ years of experience in software quality assurance, test automation, software development, or related engineering roles.
• Experience developing automated test solutions using Python or other object‑oriented programming languages.
• Experience creating, executing, and maintaining automated test cases and regression test suites.
• Experience working in Linux‑based development and test environments.
• Understanding of software development life cycles, quality assurance methodologies, and defect management processes.
• Experience using version control and development tools such as Git, Bitbucket, and JIRA.
• Strong troubleshooting, analytical, and problem‑solving skills with the ability to identify and isolate software defects.
• Ability to work independently while collaborating effectively within cross‑functional engineering teams.
• Strong verbal and written communication skills.

• Experience with Passive Optical Network (PON) technologies, including GPON, XGS‑PON.
• Familiarity with Optical Line Terminal (OLT) and Optical Network Unit (ONU/ONT) architectures, operation, and deployment scenarios.
• Knowledge of PON‑related standards and protocols, including ITU‑T specifications and OMCI.
• Knowledge of networking fundamentals including Ethernet, TCP/IP, IPv4, IPv6, routing, and switching protocols.
• Experience with traffic generation and network test tools such as Ixia, Spirent, Xena, or equivalent platforms.
• Experience troubleshooting and analyzing packet captures, protocol traces, and system logs to identify…