Controller

Partner with Engineering and Operations to ensure accurate accounting for R&D spend, wafer fabrication, tape-out costs, mask sets, non-recurring engineering costs, multi-project wafer runs, packaging, testing, and inventory

Track and account for tape-out milestones, including capitalization vs. expense treatment in accordance with GAAP

Support program-level cost tracking across silicon development phases (pre-tape-out, tape-out, bring-up, production)

Ensure appropriate treatment of long-lead manufacturing commitments, prepaid expenses, accruals, and supplier deposits

Own inventory accounting end-to-end, including standard costing methodology, excess & obsolete inventory reserves, and cycle count / physical inventory processes for wafers, die, and packaged parts

Support trade compliance and export control accounting including duty, tariff, and customs valuation treatment, and maintain financial controls aligned with export classifications (EAR/ITAR) for cross-border shipments of wafers, die, and finished goods

Manage foreign currency exposure arising from payments with foreign fabs, OSAT (assembly & test), and mask houses, including exposure tracking and coordination with the Finance Lead on any hedging strategy

(Note: This role does not manage the engineering tape-out process, but ensures financial visibility, controls, and accurate accounting of it.)

Partner with the FinOps lead to respond to financial requests from investors, lenders, and strategic partners, and contribute to quarterly Board materials, including financial statements, KPIs, and variance analysis

Produce recurring reporting packages, dashboards, and metrics to support executive and Board decision-making

Perform analytical work, including ROI, NPV, breakeven analysis, and cost-to-scale assessments, to support strategic initiatives

Own revenue recognition under ASC 606 for any design services, licensing, NRE reimbursement, or early production revenue, including milestone and multi-element arrangements common in semiconductor customer contracts

Own equity and stock-based compensation accounting, including cap table accounting, ASC 718 stock compensation expense, and coordination with 409A valuation providers

Support lender reporting and covenant compliance for any venture debt facilities, including covenant monitoring, compliance reporting, and borrowing-base calculations if applicable

Own day-to-day accounting operations in ERP, ensuring data integrity and proper controls

Perform and review bank reconciliations, cash management, and treasury activities

Partner cross-functionally and within Finance to ensure accurate tracking of departmental spend, headcount, customer acquisition costs, R&D investments, and cost of goods manufactured

Lead accounting process improvements and system enhancements to support scale, including readiness for future ERP migration if needed

Own accounting and compliance reporting for any government grants or incentive programs if applicable, including milestone tracking, compliance reporting, and clawback risk management (e.g., CHIPS Act or similar programs)

Coordinate with brokers on insurance and risk management (D&O, property/casualty coverage for fab-related equipment, in-transit inventory, and business interruption)

Act as a trusted finance partner across the organization, including People Team, Engineering, and executive leadership

Lead accounting system scalability and ERP readiness, including documenting requirements, improving data hygiene and controls in QuickBooks Online, leading on ERP selection, and supporting a future migration as the company outgrows QBO within the next 12 months

Provide clear, timely, and thoughtful responses to leadership on accounting, financial, and operational questions

Build and lead the internal accounting function as the company scales, including hiring and developing staff accountants and transitioning work in-house from outsourced providers where appropriate

A predictable, on-time monthly close with high confidence in numbers and minimal rework

Clean, GAAP-compliant financials that withstand investor scrutiny and diligence

Clear visibility into silicon program costs , including tape-out, fabrication, packaging, and test

Well-managed outsourced accounting partners operating against clear expectations and timelines

Documented accounting policies, controls, and close checklists appropriate for scale

Improved cash controls, reconciliations, and forecasting inputs

A well-defined ERP readiness plan , including requirements, data hygiene, and implementation timing

Strong trust and credibility across the organization

Active CPA and Bachelor’s degree in Accounting (or equivalent)

10+ years of progressive accounting experience, including hands-on close ownership. Expertise and strong judgement in cost accounting, R&D capitalization, accruals, and inventory accounting . Solid understanding of payroll, treasury, bank reconciliations, and internal controls

Experience accounting for tangible, manufactured products (hardware, semiconductor, or complex supply chains strongly preferred)

Startup Savvy . Experience scaling accounting operations from early-stage through growth. Comfortable operating in ambiguity and building structure & processes from the ground up. Experience supporting audits, investor diligence, and fundraising processes. Strong experience in QBO and ERP transition

Your organizational skills and attention to detail are your superpower

Clear Communicator. You can present complex financial information to executives and investors in a clear and concise manner

You collaborate to win — chasing the best solution for MatX, not the path of least resistance. You bring discipline and a point of view, but also recognize that sometimes there is room to be flexible

Opportunity to build the accounting foundation for a category-defining semiconductor company

High ownership and visibility

Direct exposure to leadership, investors, and the Board

Clear runway to grow with the business