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!

Lightmatter’s technical content, events, and executive voices are strong. In this role, you’ll build the digital engine that gets them in front of more of the right people. You’ll own performance across LinkedIn, YouTube, our website, search, and emerging AI answer platforms, working closely with marketing, product, engineering, and executive teams. You’ll be our in-house owner of SEO and AEO.

Responsibilities

Grow our digital presence: Build and run a content strategy and distribution plan across SEO, AEO, LinkedIn, YouTube, and paid search. Shift LinkedIn from announcements toward technical education, industry perspective and ecosystem engagement, and build YouTube into a steady publishing channel.
Own SEO and AI discoverability: Lead keyword strategy, site structure, and long-tail technical topics. Make our content easier for search engines and AI systems to find, parse, and cite, and track our visibility.
Run campaigns: Plan campaigns around events, launches, and competitive moments. Manage paid search and HubSpot email programs, and keep our contact database up-to-date and compliant.
Make content go further: Create simple workflows so SMEs approve technical assets once and adaptations follow set rules, turning one keynote or paper into video, clips, posts, and web content.
Measure what matters: Define KPIs for each channel, report on performance regularly, and recommend where to invest.
Keep an eye on the market: Track competitor SEO, content, social, and events, and turn what you learn into recommendations.
Run the tools: Manage our social tooling and website tracking, and coordinate external agencies.

Qualifications

8+ years in digital marketing (or 6+ years with a Master’s), with hands-on SEO and social experience in B2B technology
Bachelor’s degree in marketing or equivalent experience
A record of growing organic visibility and professional audiences on LinkedIn and YouTube
At least one year of working knowledge of AEO and how AI systems discover and cite content
Strong analytics skills and experience with Google Analytics, Ahrefs, Hootsuite, HubSpot, Google Ads, and WordPress
Experience managing content strategy, working closely with SMEs to map their content to target audiences
Technical aptitude with demonstrated automation of marketing workflows

Preferred Qualifications

Background in semiconductors, photonics, AI infrastructure, or networking

Experience with news and event-driven content programs
Experience working at a high-growth company
MBA

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

Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution.

$156,000—$183,200 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 and location. 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.

Salary Range: total compensation goes beyond base salary, it also includes a new hire equity grant, annual performance-based equity, and other rewards that recognize your impact and contribution. 156000 - 183200 USD

Lightmatter

Senior Digital & AI Marketing Expert

About the Job

Requirements

Responsibilities

Desired Qualifications

Qualifications

Preferred Qualifications

Benefits

About the Company

Lightmatter

Recently Posted Jobs