Sr. Manager Of Technical Marketing

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 a highly driven and technically savvy Technical Product Marketing Manager to lead technical marketing efforts for our cutting-edge silicon photonics product line. In this strategic role, you will help shape product direction, influence long-term roadmap decisions, and drive successful go-to-market execution.

Responsibilities:

• Serve as the technical voice of the product externally, driving positioning, messaging, and content that clearly communicates the value of our silicon photonics solutions.
• Collaborate closely with product management, engineering, and sales teams to implement product strategy and ensure alignment with customer needs and market trends.
• Analyze the evolving AI data center landscape to inform product direction and ensure competitiveness in bandwidth, power efficiency, and system scalability.
• Translate complex technology into compelling customer-facing content, including whitepapers, technical presentations, solution briefs, application notes and more.
• Lead and support product launches, ensuring clear articulation of product features and system-level benefits to both technical and business audiences.
• Represent the company at industry conferences, tradeshows, and technical forums as a technology exp;ert and thought leader and advocate for silicon photonics.

Qualifications:

• BS or MS in Engineering, Computer Science, or Physics (or equivalent experience).
• 12+ years of experience in the semiconductor industry, with strong familiarity in optical and networking technologies and system architecture for data center applications.
• Proven experience in product marketing or product management in semiconductors, photonics, networking, or AI infrastructure.
• Strong understanding of data center architectures, AI/ML workloads, and high-performance interconnect technologies.
• Excellent communication and presentation skills, with the ability to engage both technical and executive-level audiences.
• Demonstrated experience authoring detailed applications materials and whitepapers.
• Experience speaking at industry forums and representation on panels.
• Experience interfacing directly with customers and contributing to long-term product and business strategy.
• Team management experience including previous experience building and hiring

We offer competitive compensation. The base salary range for this role determined based on location, experience, educational background, and market data.

Salary Range

$200,000-$300,000 USD

Benefits

• Comprehensive Health Care Plan (Medical, Dental & Vision)
• 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
• Commuter Benefits
• 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.