Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: 3D metrology spanning the chip from nanometer-scale transistors to micron-level die-interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. Our breadth of offerings across the entire semiconductor value chain helps our customers solve their most difficult yield, device performance, quality, and reliability issues. Onto Innovation strives to optimize customers’ critical path of progress by making them smarter, faster and more efficient.
Job Summary & Responsibilities
Overview
The Senior Cost Accountant will be responsible for cost accounting activities related to inventory, manufacturing operations, and cost analysis. This role supports accurate product costing, margin analysis, and inventory valuation while partnering closely with operations and finance.
Key Responsibilities
Cost Accounting & Inventory
- Maintain and analyze standard costs, variances, and inventory balances.
- Perform monthly inventory close activities, including reconciliations and reserves.
- Analyze material, labor, and overhead variances and communicate results.
Operational & Financial Analysis
- Partner with operations to understand drivers of cost and productivity.
- Support margin analysis, inventory forecasting, and operational reporting.
- Assist with budgeting and standard cost updates.
Controls & Compliance
- Ensure inventory accounting complies with U.S. GAAP.
- Execute SOX controls related to inventory and cost accounting.
- Support physical inventory counts and cycle counts.
Reporting & Audit Support
- Prepare schedules supporting financial statements and audits.
- Respond to auditor inquiries related to inventory and cost accounting.
Process Improvement
- Identify opportunities to improve cost visibility, accuracy, and efficiency.
- Support system enhancements and process standardization.
Qualifications
Required
- 4–6+ years of cost accounting or manufacturing accounting experience.
- Strong understanding of inventory accounting and standard costing.
- Bachelor’s degree in Accounting, Finance, or related field.
- Strong Excel and analytical skills.
Preferred
- CPA or CMA.
- Experience in a manufacturing or operational environment.
- ERP experience (SAP, Oracle, NetSuite, etc.).
Why Join Onto Innovation?
At Onto Innovation, we believe your work should matter—and so should your well-being. That’s why we offer competitive salaries and a comprehensive benefits package designed to support you and your family. From health, dental, and vision coverage to life and disability insurance, PTO, and a 401(k) with employer match, we’ve got you covered. You’ll also enjoy access to our Employee Stock Purchase Program (ESPP), wellness initiatives, and cutting-edge tools—all within a collaborative, inclusive culture where your contributions are valued and recognized.
Compensation & Growth
• Base Salary Range:
$93,600.00 - $140,400.00, offered in good faith and based on experience, location, and qualifications.Additional Rewards: Annual bonus opportunities and potential long-term incentives tied to both company and individual success.
Empowering Every Voice to Shape the Future:
Onto Innovation is committed to creating a workplace where every qualified candidate has an equal opportunity to succeed. We evaluate applicants based on skills, experience, and potential - without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, veteran status, or any other characteristic protected by law. We believe diversity of thought and background drives innovation and strengthens our team.
Important Note on Export Compliance
For certain positions requiring access to technical data, U.S. export licensing review may be necessary for applicants who are not U.S. Citizens, Permanent Residents, or other protected persons under 8 U.S.C. 1324b(a)(3).
Skills Required
- 4-6+ years of payroll processing experience in a complex organization
- Strong knowledge of payroll tax and wage/hour regulations
- Bachelor's degree in Accounting, Finance, or related field
- High level of accuracy, discretion, and attention to detail
- CPP (Certified Payroll Professional)
- Experience with equity compensation payroll
- Experience in a SOX-compliant environment
Onto Innovation Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Onto Innovation and has not been reviewed or approved by Onto Innovation.
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Equity Value & Accessibility — An employee stock purchase plan and broad equity eligibility provide accessible ownership opportunities as part of total compensation. Company materials reference active equity programs, signaling tangible value beyond base pay.
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Healthcare Strength — Medical, dental, and vision coverage with HSA/FSA options form a comprehensive health package that is often characterized as good. Wellness resources and employer-verified plan details reinforce perceived healthcare depth.
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Retirement Support — A 401(k) with company match supports long-term financial security. Company materials and benefits pages highlight these retirement features as core elements of the package.
Onto Innovation Insights
What We Do
Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: Un-patterned wafer quality; 3D metrology spanning chip features from nanometer scale transistors to large die interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. Our breadth of offerings across the entire semiconductor value chain helps our customers solve their most difficult yield, device performance, quality, and reliability issues. Onto Innovation strives to optimize customers’ critical path of progress by making them smarter, faster and more efficient. Headquartered in Wilmington, Massachusetts, Onto Innovation supports customers with a worldwide sales and service organization. We are traded on the New York Stock Exchange under the symbol ONTO.
