Senior Account Manager

Full Timesenior

Mountain View, CAPosted Yesterday

Role Overview

Lightmatter is hiring a Senior Account Manager. This is a full-time role in Mountain View. posted yesterday. Full responsibilities, required qualifications, and the apply link are listed in the description below.

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PipelineORCompensationBenefitsLightmatterAIPassageHPC

Job description

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 is seeking an experienced Senior Account Manager to take ownership of several major customer accounts. In this highly visible role, you will be the face and voice of Lightmatter, driving the entire sales cycle from initial engagement through deal closure. You will also be the voice of the customer to the Lightmatter leadership team. The role requires the development of a deep understanding of customer needs and the ability to position Lightmatter's solutions to meet them.

Responsibilities

Develop and execute comprehensive sales strategies that meet target revenue numbers and expands Lightmatter’s footprint within key accounts.
Build and maintain trusted-advisor relationships with influencers and decision-makers from C-suite executives to individual engineers.
Apply a deep understanding of customer pain points and business objectives to clearly communicate the value of Lightmatter's solutions and work with the Lightmatter product team to deliver them.
Be the voice of the customer with the internal teams — including engineering, marketing, finance, and legal — to ensure seamless delivery and a strong customer experience.
Identify, manage, and close net new business opportunities as well as collaboration across the team to help everyone win.
Produce accurate sales forecasts and present pipeline activity directly to Lightmatter CEO, CFO and SVPs..
Lead negotiations and close complex deals with large enterprise customers.

Qualifications

Be a hunter with 8+ years of experience in the semiconductor or datacenter industry, including at least 5 years in direct sales or strategic account management.
Bachelor's degree in engineering, computer science, or a related technical field.
Strong working knowledge of datacenter infrastructure (CPU, GPU, networking)
Be skilled in explaining complex solutions to both engineering and executive audiences.
Proven ability to drive complex sales processes, with a track record of revenue growth and closing greenfield opportunities as well as expanding within accounts.
Exceptional written, verbal, and presentation skills, with the ability to convey technical concepts to diverse audiences.
Demonstrated success leading cross-functional initiatives spanning three to five stakeholder groups (e.g., engineering, product, operations, sales, finance), helping ensure Lightmatter is delighting the customer at every level.
Ability to travel up to 15% of the time, as needed, for customer meetings, team collaboration, conferences, and company events

Preferred Qualifications

HPC Networking experience
Experience with product definition and/or product management role
Experience selling advanced semiconductors (processors, FPGAs, etc.) into major enterprises
Experience or understanding of current optics products landscape and sales process

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

$300,000—$340,000 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 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.

About Lightmatter

Lightmatter

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Frequently Asked Questions

How do I apply for the Senior Account Manager position at Lightmatter?

Use the Apply button above to submit your application directly to Lightmatter. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Senior Account Manager position at Lightmatter located?

This position is based in Mountain View. Lightmatter has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Senior Account Manager at Lightmatter earn?

Lightmatter has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Senior Account Manager role at Lightmatter posted?

This role was posted on July 9, 2026 (yesterday). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

How much experience does the Senior Account Manager role at Lightmatter require?

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Lightmatter lists their specific requirements in the description below, so review the must-have qualifications closely before applying.