Lightmatter
Sr Staff Photonics Design and Layout Engineer
Lightmatter, Mountain View, California, us, 94039
Sr Staff Photonics Design and Layout Engineer
Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads. Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter! If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders. Lightmatter is (re)inventing the future of computing with light! Join a tight-knit team where each individual’s contributions directly influence the company's and product's success. You'll have the opportunity to build a new kind of computer, including the development of Silicon Photonics-based high-performance optical interconnect solutions for the next generation of AI-ML products from the ground up. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized. Responsibilities: Design, layout, and test innovative photonic devices Contribute and own large-scale photonic layouts for high-volume products Actively collaborate across disciplines, with analog, digital, and physical design teams to tapeout products and characterization devices. Actively collaborate with the product, sales, and architectural teams to define requirements for device characterization, debugging, and validation. Provide thought leadership in the area of expertise and be perceived as a subject matter expert Works on broader organizational projects that require a thorough understanding of photonics Accountable for results, which may impact the entire function Contribute to Process Design Kits (PDK) development Qualifications: M.S. in Electrical Engineering, Computer Science, Applied Physics or similar disciplines 8 years and a Master’s degree; PhD with 5 years experience; or equivalent experience. In-depth knowledge of semiconductor device physics In-depth knowledge of photonic devices and their modeling algorithms Experience with large-scale photonic layouts using industry standard and/or custom tools Demonstrated track record of ownership of integrated silicon photonics components Proficiency with photonic simulation tools such Ansys FDTD, Tidy3D, Photon Design or similar Proficiency with scripting languages such as Python Demonstrated strong problem solving skills, specifically pertaining to problems that do not have obvious solutions Preferred Qualifications: Strong project execution skills, with the ability to handle multiple priorities and meet project milestones. Excellent communication skills, with a demonstrated ability to collaborate effectively with multidisciplinary teams Demonstrate strong problem-solving skills in problems that do not have obvious solutions We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data. Salary Range $210,000 - $256,000 USD Retirement Savings Matching Program Life Insurance (Basic, Voluntary & AD&D) Generous Time Off (Vacation, Sick & Public Holidays) Paid Family Leave Short Term & Long Term Disability Training & Development Flexible, hybrid workplace model Equity grants (applicable to full-time employees) Benefits eligibility may vary depending on your employment status. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law. Export Control Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws. Create a Job Alert Interested in building your career at Lightmatter? Get future opportunities sent straight to your email. Apply for this job
indicates a required field First Name * Last Name * Email * Phone * Resume/CV * Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf Education Degree * Select... LinkedIn Profile Website Are you available to work at one of our office locations at least three times per week? * Select... Lightmatter follows a hybrid work model Do you currently require, or will you require in the future, any immigration-related support, visa transfer or visa sponsorship (e.g., J-1, F-1 CPT, STEM OPT, H-1B, E-3, O-1, TN, visa transfer) to work at Lightmatter? * Select... If offered employment at Lightmatter, would you be legally eligible to begin work immediately? * Select... Voluntary Self-Identification
For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file. As set forth in Lightmatter’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law. If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows: A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability. A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service. An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense. An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985. Select... Voluntary Self-Identification of Disability
Form CC-305 Page 1 of 1 OMB Control Number 1250-0005 Expires 04/30/2026 Voluntary Self-Identification of Disability Form CC-305 Page 1 of 1 OMB Control Number 1250-0005 Expires 04/30/2026 Why are you being asked to complete this form?
We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years. Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp . How do you know if you have a disability?
A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability.
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Lightmatter is leading the revolution in AI data center infrastructure, enabling the next giant leaps in human progress. The company invented the world’s first 3D-stacked photonics engine, Passage, capable of connecting thousands to millions of processors at the speed of light in extreme-scale data centers for the most advanced AI and HPC workloads. Lightmatter raised $400 million in its Series D round, reaching a valuation of $4.4 billion. We will continue to accelerate the development of data center photonics and grow every department at Lightmatter! If you're passionate about tackling complex challenges, making an impact, and being an expert in your craft, join our team of brilliant scientists, engineers, and accomplished industry leaders. Lightmatter is (re)inventing the future of computing with light! Join a tight-knit team where each individual’s contributions directly influence the company's and product's success. You'll have the opportunity to build a new kind of computer, including the development of Silicon Photonics-based high-performance optical interconnect solutions for the next generation of AI-ML products from the ground up. Work with people who love to build and who thrive in technically diverse environments where great ideas are prioritized. Responsibilities: Design, layout, and test innovative photonic devices Contribute and own large-scale photonic layouts for high-volume products Actively collaborate across disciplines, with analog, digital, and physical design teams to tapeout products and characterization devices. Actively collaborate with the product, sales, and architectural teams to define requirements for device characterization, debugging, and validation. Provide thought leadership in the area of expertise and be perceived as a subject matter expert Works on broader organizational projects that require a thorough understanding of photonics Accountable for results, which may impact the entire function Contribute to Process Design Kits (PDK) development Qualifications: M.S. in Electrical Engineering, Computer Science, Applied Physics or similar disciplines 8 years and a Master’s degree; PhD with 5 years experience; or equivalent experience. In-depth knowledge of semiconductor device physics In-depth knowledge of photonic devices and their modeling algorithms Experience with large-scale photonic layouts using industry standard and/or custom tools Demonstrated track record of ownership of integrated silicon photonics components Proficiency with photonic simulation tools such Ansys FDTD, Tidy3D, Photon Design or similar Proficiency with scripting languages such as Python Demonstrated strong problem solving skills, specifically pertaining to problems that do not have obvious solutions Preferred Qualifications: Strong project execution skills, with the ability to handle multiple priorities and meet project milestones. Excellent communication skills, with a demonstrated ability to collaborate effectively with multidisciplinary teams Demonstrate strong problem-solving skills in problems that do not have obvious solutions We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data. Salary Range $210,000 - $256,000 USD Retirement Savings Matching Program Life Insurance (Basic, Voluntary & AD&D) Generous Time Off (Vacation, Sick & Public Holidays) Paid Family Leave Short Term & Long Term Disability Training & Development Flexible, hybrid workplace model Equity grants (applicable to full-time employees) Benefits eligibility may vary depending on your employment status. Lightmatter recruits, employs, trains, compensates, and promotes regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law. Export Control Candidates should have capacity to comply with the federally mandated requirements of U.S. export control laws. Create a Job Alert Interested in building your career at Lightmatter? Get future opportunities sent straight to your email. Apply for this job
indicates a required field First Name * Last Name * Email * Phone * Resume/CV * Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf Education Degree * Select... LinkedIn Profile Website Are you available to work at one of our office locations at least three times per week? * Select... Lightmatter follows a hybrid work model Do you currently require, or will you require in the future, any immigration-related support, visa transfer or visa sponsorship (e.g., J-1, F-1 CPT, STEM OPT, H-1B, E-3, O-1, TN, visa transfer) to work at Lightmatter? * Select... If offered employment at Lightmatter, would you be legally eligible to begin work immediately? * Select... Voluntary Self-Identification
For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file. As set forth in Lightmatter’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law. If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows: A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability. A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service. An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense. An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985. Select... Voluntary Self-Identification of Disability
Form CC-305 Page 1 of 1 OMB Control Number 1250-0005 Expires 04/30/2026 Voluntary Self-Identification of Disability Form CC-305 Page 1 of 1 OMB Control Number 1250-0005 Expires 04/30/2026 Why are you being asked to complete this form?
We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years. Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp . How do you know if you have a disability?
A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability.
Disabilities include, but are not limited to: Alcohol or other substance use disorder (not currently using drugs illegally) Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS Blind or low vision Cancer (past or present) Cardiovascular or heart disease Celiac disease Cerebral palsy Deaf or serious difficulty hearing Diabetes Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders Epilepsy or other seizure disorder Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome Intellectual or developmental disability Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD Missing limbs or partially missing limbs Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS) Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities Partial or complete paralysis (any cause) Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema Short stature (dwarfism) Traumatic brain injury
Disability Status Select... PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.
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