Principal Solutions Architect - Silicon Photonics

OverviewPrincipal Solutions Architect - Silicon PhotonicsMountain View, CALightmatter 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!About this RoleWe are now looking for an outstanding Principal Solutions Architect to join our team. The role’s primary responsibility is to collaborate with customers in architecting the next generation of supercomputers and machine learning systems enabled by Lightmatter’s photonic interconnect technology Passage. In this role, you will work closely with Tier 1 Semiconductor companies and Cloud Service Provider organizations that are defining the next generation of scale-out, HPC, and machine learning systems. You will work cross-functionally within Lightmatter as you define an optimal technical solution. Additionally, you will be collaborating with customers who are experts in silicon photonics, and integrated optics. You should be comfortable supporting deep technical discussions on silicon photonics design, optical transceivers, cable/fiber management, and lasers. We are looking for a professional with excellent interpersonal skills and an outstanding communicator who can effectively interface with management and engineering teams. Our new team member must be able to work independently, which is essential to success in the role.ResponsibilitiesPartner with Lightmatter sales leaders to develop strong relationships with key technical stakeholders, and help them optimize their system architecture by taking advantage of Lightmatter’s interconnect technologyAct as the primary technical interface and domain expert with customers in Lightmatter’s Silicon Photonics and Laser TechnologyDevelop and deliver technical proposals to customers, based on customer’s technical requirements and system architectureWork as the field expert in silicon photonics, to provide in-depth training and guidance of the photonic architecture/design to the FAE team, to create and share the related technical articles and reference designsDefine new and refine existing ideas and design concepts that address scaling HPC and ML system architectures using Lightmatter’s highly disruptive interconnect technology PassageExplain advanced silicon photonics and laser technology concepts and understand how those concepts relate to other disciplinesQualificationsBS or MS in Engineering, Mathematics, Physics, or Computer Science (or equivalent experience).12+ years of work-related experience in a system design or technical customer support role in a high-tech electronics -depth knowledge of photonic devices and semiconductor physicsCustomer-facing skill-set and background, as well as the ability to communicate effectively with customersTrack record of successfully managing multiple projects simultaneously, meeting deadlines, and prioritizing effectively in a dynamic work setting, with experience using project management toolsMinimum of 5 years experience working collaboratively in team-based environments, demonstrating strong interpersonal skills and the ability to build relationships across departments.Experience working in customer-facing roles, acting as the domain expert for silicon photonics/opticsPreferred QualificationsExperience deploying or supporting customers who are deploying optics in a data center environment at scaleIn-depth knowledge of semiconductor gain, and laser technologyAction-oriented with strong analytical and problem-solving skillsStrong time-management and organization skills for coordinating and prioritizing multiple projects and initiativesBenefitsOn target earnings: $200,000 - $260,000 USDRetirement Savings Matching ProgramLife Insurance (Basic, Voluntary & AD&D)Generous Time Off (Vacation, Sick & Public Holidays)Paid Family LeaveShort Term & Long Term DisabilityTraining & DevelopmentFlexible, hybrid workplace modelEquity 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 ControlCandidates should have capacity to comply with the federally mandated requirements of U.S. export control laws. #J-18808-Ljbffr

Created: 2025-09-17