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Open nowPosted 6 days ago

Payroll & General Ledger Sr. Accountant

Mattson25 open roles

Where
Fremont, CA, United States
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Your applicationOpen nowPayroll & General Ledger Sr. AccountantMattson · Fremont, CA, United States

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  5. 34.0%30 days
This job: posted 6 days ago

The posting

Job Description

About Mattson

Company: Mattson Technology, Inc., a 38-year Silicon Valley company, designs, manufactures, markets, and globally supports plasma and rapid thermal processing equipment to fabricate integrated circuits for the global semiconductor industry.

Mattson Technology, Inc. offers processing equipment that utilizes innovative technologies to deliver advanced processing capabilities and high productivity for the fabrication of current and next-generation integrated circuits. Our equipment and technologies are used by leading memory and logic, analog /power device manufacturers worldwide. Innovations from Mattson Technology in Atomic Surface Engineering address the most critical logic and memory manufacturing challenges.

In May 2016, Mattson Technology was acquired by Beijing’s E-Town Capital. Our new investor’s vision is that Mattson Technology, with its Silicon Valley DNA, will continue to operate as a global, market-driven technology provider serving worldwide semiconductor manufacturing customers. In July, 2025, the company successfully listed in Shanghai’s STAR Exchange. As the external trade compliance environment evolves, Mattson Technology now operates independently from the parent company in product, business, and operations, serving customers outside of China.

Position Summary

Mattson Technology, Inc. is seeking a Payroll & General Ledger Sr. Accountant to oversee U.S. payroll operations and key General Ledger activities. This position will oversee payroll for approximately 180 salaried and non-salaried employees while supporting journal entries, account reconciliations, month-end close, payroll accounting, and internal controls.

The role requires hands-on experience with ADP, Oracle, and SAP and will serve as a key interface between Payroll, HR, Finance, and Accounting.

Key Responsibilities

Payroll

· Full own the end-to-end U.S. payroll for approximately 180 employees, including regular, supplemental, bonus, and special payrolls.

· Review hours, earnings, deductions, benefits, taxes, PTO, and other payroll inputs.

· Perform pre- and post-payroll audits and resolve discrepancies.

· Coordinate with HR, Benefits, Finance, and Accounting to ensure accurate and timely payroll.

· Maintain payroll procedures, documentation, controls, and process improvements.

· Support federal, state, and local payroll tax compliance, including multi-state withholding, unemployment, W-2/W-2C, filings, and deposits.

General Ledger & Payroll Accounting

· Prepare and review journal entries related to payroll, benefits, accruals, prepaid expenses, taxes, and other accounts.

· Reconcile payroll registers, payroll liabilities, benefits, and payroll expenses to the General Ledger.

· Prepare monthly balance sheet account reconciliations and investigate outstanding items.

· Analyze payroll and accounting variances and support monthly, quarterly, and year-end close.

· Maintain accurate documentation and provide support for internal and external audits.

Systems & Process Improvement

· Serve as a key business owner/SME for ADP, Oracle, and SAP, including payroll and accounting interfaces.

· Troubleshoot system and data issues with IT and external providers.

· Support system upgrades, implementations, testing, and process improvements.

· Identify opportunities to automate payroll, reconciliations, reporting, and accounting processes.

Supervision & Controls

· Supervise and provide direction to a payroll processor in Malaysia, including work priorities, deadlines, quality, and training.

· Maintain appropriate internal controls, segregation of duties, and audit-ready documentation.

· Ensure compliance with company accounting policies and internal control requirements.

Required Qualifications

· Bachelor’s degree in Accounting, Finance, Business, or related field.

· 5+ years of progressive accounting and payroll experience.

· Hands-on U.S. payroll experience supporting approximately 180+ employees.

· Strong General Ledger, account reconciliation, journal entry, and month-end close experience.

· Hands-on experience with ADP, Oracle, and SAP.

· Knowledge of federal, state, and local payroll requirements, including multi-state payroll.

· Strong Excel and analytical skills with excellent attention to detail.

· Ability to manage deadlines, resolve issues, and maintain confidential employee information.

· Strong written and verbal communication skills.

Preferred Qualifications

· Experience in semiconductor, technology, manufacturing, or multinational companies.

· SOX/internal control experience.

· Experience with ADP-to-Oracle payroll interfaces.

· Prior supervisory experience.

· U.S. GAAP and external audit experience.

· Experience improving or automating accounting and payroll processes.

Key Competencies

Payroll & Accounting Expertise | ADP/Oracle/SAP Systems | General Ledger | Reconciliations | Internal Controls | Analytical Skills | Leadership | Process Improvement | Communication

Key Performance Measures

· Accurate and timely payroll processing.

· Accurate payroll accounting, reconciliations, and journal entries.

· Timely and effective month-end close support.

· Payroll tax and regulatory compliance.

· Resolution of payroll and accounting issues.

· Effective internal controls and audit support.

· Reliable ADP, Oracle, and SAP processes and interfaces.

· Continuous process improvement and automation.

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