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Principal Field Application Engineer (Mountain View)

Lightmatter
Mountain View, United Statesfull_timeVerifiedPosted 30 May 2025
💰 $290,000/yr($240,000/yr$290,000/yr)

About the role

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!

About this Role

We are now looking for an outstanding Field Application Engineer to join our team. The role’s primary responsibility is to work collaboratively with customers in architecting the next generation of devices enabled by Lightmatter’s photonic interconnect technology Passage.

In this role, you will work closely with Tier 1 Semiconductor companies that are defining the next generation of silicon in the data center. You will be working cross-functionally within Lightmatter as you define an optimal technical solution. Additionally, you will be collaborating with customers who are domain experts in high-speed serial links (SerDes) and protocols. You should be comfortable supporting deep technical discussions focused on high-speed serial I/O design. Excellent interpersonal skills and the ability to work independently are essential to being successful in the role. 

Responsibilities

  • Provide the full technical support of Passage designs for customers, including early technical assessment, design scheme discussion, hardware design review, hardware debug support, and other critical troubleshooting
  • Establish strong relationships with customer technical leads and engineers
  • Works on and solves technical issues that impact customer success with Lightmatter products and technology
  • Troubleshoots and devises solutions based on limited information relying on technical expertise and experience
  • Work collaboratively with Lightmatter Engineering in supporting customer design wins and communicating progress updates to customer engineering leads

Qualifications

  • BS or MS in Engineering, Mathematics, Physics, or Computer Science (or equivalent experience)
  • 15+ years of work-related experience in a high-tech electronics industry with high-speed serial I/O design and/or optical transceiver design
  • In-depth knowledge of signal integrity, power integrity simulation, and related hardware design. Be familiar with the SI/PI EDA simulation tools and models, eg. Keysight ADS
  • Previous experience with customer facing skill-set and background as well as the ability to communicate effectively with customers
  • Knowledge of photonic devices and semiconductor physics
  • Track record of successfully managing multiple projects simultaneously, meeting deadlines, and prioritizing effectively in a dynamic work setting, with experience using project management tools
  • Minimum 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

Preferred Qualifications

  • Demonstrate domain expertise in silicon photonics/optics
  • Experience deploying or supporting customers who are deploying optics in a data center environment at scale
  • Action-oriented with strong analytical and problem-solving skills
  • Strong time-management and organization skills for coordinating and prioritizing multiple projects and initiatives
  • Excellent written and oral communication skills with the ability to effectively interface with management and engineering
  • Strong team-working and interpersonal skills

We offer competitive compensation. On target earnings range is listed below. The final compensation will be determined based on location, experience, educational background, and market data.

Sales Compensation$240,000$290,000 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 wor

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Company

Lightmatter

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