Payroll Administrator

Company: SumBridge
Location: Renton
Posted on: April 1, 2026

Job Description:

SumBridge is hiring a Payroll Administrator to join our consulting team supporting our client for a long-term project. This Payroll Administrator is responsible for supporting the accurate and compliant processing of bi-weekly, multi-site payroll, managing payroll-related accounting activities, and ensuring regulatory compliance with federal, state, and local laws. The ideal candidate will possess strong analytical skills, a solid understanding of payroll systems (preferably ADP), and a collaborative mindset to work cross-functionally with HR, Operations, and Finance. The Payroll Administrator role will last at a minimum through the end of Q1 2026. The role does offer competitive compensation and benefits including healthcare and PTO. This is a hybrid role and the offices are based in South King County. Job Responsibilities: Payroll Processing & Compliance Support the bi-weekly processing of multi-state payroll, including garnishments, benefits, and tax withholdings. Ensure payroll compliance with all federal, state, and local regulations, including minimum wage, wage and hour laws, and sick leave policies. Review payroll inputs such as new hires, terminations, promotions, and transfers for accuracy. Maintain payroll systems to reflect changes in wages, benefits, and time-off balances. Perform audits on payroll processes, W-2s, and year-to-date earnings. Reporting & Analysis Generate, analyze, and distribute payroll and labor-related reports on a weekly, monthly, quarterly, and annual basis. Create and present reports to identify and resolve process inefficiencies. Collaborate with departments to reconcile payroll-related data and ensure accuracy in financial records. Accounting & Reconciliation Prepare payroll-related journal entries and support the month-end close process. Reconcile payroll accounts, review financial transactions, and make adjustments as needed. Analyze financial statements for accuracy and investigate variances. Produce scheduled and ad hoc financial reports for management review. Assist with general accounting support and research of financial transactions. Systems & Process Improvement Support the implementation of new payroll and people services software solutions. Provide guidance and support to supervisors regarding payroll best practices and system use. Continuously seek opportunities to streamline and improve payroll and accounting processes. Job Qualifications: Bachelor’s degree in Accounting, Finance, Human Resources, or a related field preferred. 3 years of payroll and accounting experience; multi-state payroll experience strongly preferred. Proficiency with payroll systems (ADP experience highly desirable). Solid understanding of payroll regulations and accounting principles. Strong analytical, organizational, and communication skills. Ability to handle confidential information with discretion. Proficiency in Microsoft Excel and other financial reporting tools.

Keywords: SumBridge, Seattle , Payroll Administrator, Accounting, Auditing , Renton, Washington