**Summary:** We're seeking an experienced Optical Systems Engineer to join our Reality Labs team, where you'll play a pivotal role in shaping the future of AR display and imaging systems. As a key member of our team, you'll explore new architectures and design spaces for AR optical systems, develop and analyze system components, and drive detailed system-level analysis.In this role, you will be part of an environment where you are will consistently switch between high-level thinking and meticulous attention to detail to mature our architectures and designs. **Required Skills:** Optical Systems Engineer Responsibilities: 1. Develop calibration routines and methods to meet display performance requirements 2. Develop and execute comprehensive test plans to validate end to end display calibration enables the product concept of operation 3. Contribute to the process of design releases, prototyping and creation of RFQ, ERS documentation 4. Operate and calibrate precision optical measurement equipment (e.g., spectroradiometers, colorimeters, photometers) 5. Analyze test data and prepare detailed reports, identifying trends and recommending improvements 6. Collaborate with hardware, software, and design teams to resolve display-related issues and optimize system integration 7. Define display quality criteria and validation procedures aligned to product requirements and industry standards 8. Support troubleshooting and root cause analysis of display defects or anomalies 9. Stay informed about advancements in display metrology and validation techniques 10. Present validation results and technical findings to project teams and stakeholders **Minimum Qualifications:** Minimum Qualifications: 11. Masters degree or equivalent experience in the field of Optics, Optical Sciences, Optical Engineering, Physics, Mechanical Engineering, Electrical Engineering, Computer Sciences or a similar field, or equivalent work experience 12. 2+ years of experience in applied research and/or product development of optics or photonic systems 13. 2+ years of experience with optical systems requiring any combination of the following: imaging, illumination, physical optics, stray light analysis, radiometry, photometry 14. Experience maturing optical systems from proof-of-concept to early low volume prototype or production 15. Experience working, communicating, and collaborating in a cross-functional environment 16. Experience with automated test systems and scripting (Python, MATLAB, C++ or equivalent) 17. Knowledge of AR display technologies (LCOS, MicroLED, Waveguides, etc.) 18. Proficiency with measurement equipment used for evaluating display and optical characteristics 19. Solid understanding of color science, photometry, and applicable industry standards **Preferred Qualifications:** Preferred Qualifications: 20. Experience with display calibration development 21. Experience with measurement automation for production environment 22. Experience with image processing, calibration algorithms, statistical data analysis, and applying machine learning methods 23. Experience in opto-mechanical design tools such as Ansys, Solidworks, NX **Public Compensation:** $111,000/year to $164,000/year + bonus + equity + benefits **Industry:** Internet **Equal Opportunity:** Meta is proud to be an Equal Employment 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. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment. Meta 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.