Job Description

It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.

Transform What's Possible. Start Here.

At Lumentum, we believe in the power of light to change the world. Whether enabling next-generation cloud infrastructure, advancing 3D sensing, or powering the precision manufacturing behind global innovation, our photonic solutions are helping industries connect, create, and accelerate like never before.

As a Senior Optical Test Engineer, you'll play a critical role in developing the tools and systems that ensure performance, reliability, and impact—fueling innovations in AI, autonomous tech, and hyper-scale communications. Join us and make your mark where cutting-edge technology meets meaningful purpose.

What You’ll Do:

• Collaborate with design, systems, and architecture teams to define and implement test strategies for engineering validation (EVT) and design validation (DVT) of advanced optical transceivers.
• Design, build and maintain test solutions by integrating test equipment/components with thermal/mechanical requirements and calibration requirements.
• Write and maintain Python-based scripts to automate complex testing workflows, improve scalability, and ensure robust, repeatable and accurate test coverage.
• Take ownership of data analysis and interpretation, providing insights to cross-functional partners to foster design improvements and ensure compliance with standards.
• Conduct Design of Experiments (DOE) to support component-level characterization and root-cause analysis.
• Stay at the forefront of industry standards (IEEE 802.3, MSA, CMIS) and ensure alignment in test execution.

What You Bring

• Bachelor's and 2-5 years of relevant work experience or Master's and 0-2 years work experience.
• Proficiency using optical and electrical lab equipment: OSA, BERT, DCA, oscilloscope, ONT, VNA, etc.
• Experience in Python scripting (or equivalent) for test automation and data processing.
• Working knowledge of optical transceiver fundamentals and relevant datacom standards.
• Sharp problem-solving and analytical skills, with a proactive approach to identifying and resolving technical challenges.
• Excellent data storytelling and communication skills to clearly share findings and influence design decisions.
• A collaborative spirit and curiosity-driven mindset—because at Lumentum, we innovate together.

Why Lumentum?
At Lumentum, we offer more than a job—we offer a platform to do work that matters:

• Purpose with Impact: From powering the internet to advancing clean tech and 3D sensing, your work contributes to real-world innovation.
• Culture of Excellence and Inclusion: We foster a diverse, collaborative environment where bold thinking and unique perspectives are valued and rewarded.
• Global Reach, Personal Growth: Join a global leader in photonics and unlock access to cutting-edge technologies, world-class mentorship, and meaningful development opportunities.
• People First: We invest in your wellbeing, flexibility, and career journey—because our innovation starts with you.

Ready to Build What’s Next?
We invite all qualified candidates—across backgrounds, identities, and experiences—to apply. If you're excited about pushing boundaries in optical innovation and working with a passionate, purpose-driven team, we'd love to hear from you.

Pay Range:

Disclaimer:

Final base salary for the successful candidate will depend on multiple factors, including but not limited to, job location, where work will be performed, qualifications, work history and relevant experience. With our continual goal of making Lumentum a best place to work for our employees, we strive to offer employees competitive total compensation packages, which may include annual bonus, commission for certain sales roles, equity, and health and welfare benefits.