Payroll & General Ledger Sr. Accountant

Mattson Technology•Fremont, CA

About The Position

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.

Requirements

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.

Nice To Haves

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.

Responsibilities

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.
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.
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.
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.