Senior Technical Accounting Manager

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

Lightmatter is seeking a Senior Technical Accounting Manager to join our accounting team and apply deep technical accounting expertise to ensure accurate and timely financial statements in accordance with GAAP. As the volume and complexity of transactions increase, this role will play a critical part in enhancing our technical accounting capabilities and financial reporting infrastructure.

The Senior Technical Accounting Manager will collaborate closely with the Head of Accounting and other members of the team to manage the close process, support audits, and lead initiatives that enhance compliance and improve the efficiency of financial reporting and internal controls. This is an exciting opportunity for an experienced accounting professional to have a meaningful impact in a high-growth environment.

Responsibilities

• Lead technical accounting efforts for revenue recognition, lease accounting, stock-based compensation, and complex or non-routine transactions.
• Prepare and review technical accounting memos, ensuring compliance with GAAP for financial statement preparation.
• Support audits and regulatory filings by providing clear and well-documented accounting positions.
• Collaborate with cross-functional teams, (e.g., FP&A, tax, legal) to ensure accurate accounting treatment and operational alignment.
• Design, implement, and maintain robust internal controls, process documentation to support SOX readiness and ensure financial accuracy.
• Lead key strategic initiatives, including IPO readiness, system implementations, and complex financial analyses in partnership with cross-functional teams (e.g., Finance, Legal and IT).
• Design and implement process improvements and automation to enhance reporting efficiency and quality.

Qualifications

• Bachelor's degree in Accounting, Finance, or a related field.
• Minimum of 12 years of progressive accounting experience
• Must have an active CPA
• Strong knowledge of U.S. GAAP and complex accounting transactions
• Hands-on experience with NetSuite or similar ERP systemsProven ability to independently assess and resolve complex accounting matters
• Strong communication and interpersonal skills with a demonstrated ability to partner effectively across departments
• Experience in a high-growth technology or semiconductor company

Preferred Qualifications

• Big 4 accounting firm experience.
• Prior experience in a pre-IPO or publicly traded company.
• Knowledge of SOX compliance and SEC reporting requirements.

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

Salary Range

$177,000-$199,000 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.