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! We are seeking an experienced and technically proficient Sr. Staff Product Marketing Manager to lead the external narrative, content creation, and sales enablement for our flagship photonic interconnect products and solutions. In this critical role, you will be the key driver in ensuring Lightmatter's sales, marketing, and channel partners are fully equipped to articulate the value of our photonic interconnect platforms. You will serve as the expert on our competitive landscape and key market trends, translating technical breakthroughs into compelling, externally-facing content.