Optical Metrology Engineer, Integrated Waveguide Technology

**Intro:** Facebook’s mission is to give people the power to build community and bring the world closer together.

Through our family of apps and services, we’re building a different kind of company that connects billions of people around the world, gives them ways to share what matters most to them, and helps bring people closer together.

Whether we’re creating new products or helping a small business expand its reach, people at Facebook are builders at heart.

Our global teams are constantly iterating, solving problems, and working together to empower people around the world to build community and connect in meaningful ways.

Together, we can help people build stronger communities
– we’re just getting started.**Summary:** As an Optical Metrology Engineer, Integrated Waveguide Technology you will be responsible for developing and implementing precise, robust, high?throughput, accurate metrology and test solutions for characterization, performance evaluations of materials, processes, and complex optical devices.

You will be responsible for tool health, data quality, integrity of custom optical metrology systems and support design validation, cycle time of learning for development and fabrication of advanced display optics.

You will also have cross-functional duties with systems engineering, integration, design, Opto-Mechanical teams for custom optical system tool development and facilitate the development of test plans for various leading-edge technology display products.

You will join a highly cross-functional team tasked with design, development, prototyping and production of optical components to support AR optics productization.

This role requires close collaboration with internal cross functional partners and external vendors to define and deliver complex solutions to support process development, quality control and to performance.**Required Skills:** 1.

Develop Metrology recipes, methods to collect diverge range of optical parameters both for imaging and non-imaging systems (e.g.

luminance, uniformity, color, MTF, stray light, haze, absorption)2.

Responsible and own custom optical metrology systems, with focus towards tool health, data quality and integrity3.

Identify equipment issues and cross-functional work with internal and external partners, vendors to assure optimal tool-fleet performance4.

Coordinate with other teams to identify, procure and develop custom instrumentation, fixtures, optical elements to meet program needs5.

Manage external partnership with MP vendors and instrument manufacturers to define test plans from development to production6.

Collaborate with the larger research team to support optical design and experimentation with analysis of developed technologies and components7.

Support test strategy to allow adequate coverage to support design verification cycles to support transfer to high volume manufacturing8.

Robust problem solving, Failure and Root cause analysis for process troubleshooting and reliability testing9.

Cross functional collaboration with design, systems to analyze, design and evaluate custom instrumentation as needed to establish proof of concept or validate specified performance10.

Develop test plans based on component and level requirements to ensure process capability, product performance and instrument validations11.

Drive method transfers to internal and external partners to support integration12.

Set up, document, and sustain control systems to ensure metrology capability13.

Develop specification documents, engage with suppliers, and drive qualification, installation, enablement of new tools14.

Work with other Metrology team members to gather complementary measurements for base lining and qualifying application solutions15.

Cross-train across Metrology as needed to maintain support continuity16.

Partner with design, fabrication, process owners to improve process-control and yields17.

Summarize, document, and present results to internal and external stakeholders18.

Communicate effectively with both management and fellow peers19.

Display comfort and skill in presenting issues/findings**Minimum Qualifications:** 20.

Bachelors in Optical Sciences, Physics, Engineering or with equivalent experience21.

Experience in optical components performance testing, optical characterization, spectroscopy and evaluation in a lab or cleanroom environment22.

Familiarity with optical metrology tools such as interferometry or image quality testing (wavefront sensing, MTF and spectroscopy)23.

Background of coding of measurement algorithms and software for repeatable and reliable measurements**Preferred Qualifications:** 24.

MS or PhD in Optical Sciences or Physics or related field with 3+ years experience in applied research and/or product development of advanced optics or photonic systems25.

Knowledge of a broad range of optics including imaging, illumination, radiometry and photometry, geometric optics, statistics, and polarization26.

Strong hands-on experience in laboratory work and in setting up of high quality and reliable optical measurement systems27.

Experience working in a cleanroom environment28.

Well versed on standard tools and methods for measurement system automation at lab level including LabVIEW, MATLAB and or Python29.

Knowledge in Design, Assembly and Automation, testing and deployment of test and metrology tools30.

Expertise in profilometry, interferometry, distortion measurements, MTF testing, spectrophotometry, wavefront sensing, laser-scanning31.

Experience developing hardware test solutions for automated data capture and data processing32.

Experience with in-line and off-line testing using automated systems for quality control in HVM for (IQC, OQC, PQ and final inspection of optical components33.

Knowledge and experience with color science, colorimetry, and visual optics.

in optical design tools such as Zemax, FRED, or ASAP**Industry:** Internet**Equal Opportunity:** Facebook is proud to be an Equal Opportunity and Affirmative Action employer.

We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law.

Facebook is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process.

If you need any assistance or accommodations due to a disability, please let us know at accommodations-ext@fb.com.