Demo

Senior Payroll Specialist

Addison Group
Bellevue, WA Full Time
POSTED ON 7/24/2026
AVAILABLE BEFORE 8/20/2026
Job Title: Senior Payroll Specialist

Location (city, state): Fully on-site in Bellevue, WA

Compensation: $80-120K

Benefits: This position is eligible for medical, dental, vision, and 401(k).

Qualifications:

  • Minimum 7 years of experience processing multi-state payroll
  • Bachelor's Degree in Accounting or related field
  • Experience with ADP is a plus

Job Description:

  • Support payroll administrations across multiple business segments compliance for remote workforce across multiple states outside of Washington State
  • Process international payroll /benefits in UK
  • Timely and accurately process multi-state payroll withholding, remittance of payroll taxes including federal, state, local taxes, any amendments as needed.
  • Understand proper taxation for employer paid benefits for multi-state payrolls
  • Track multi-state payroll/benefits compliance year-round (i.e. PTO, overtime), provide employee communications, help with completing year-end compliance requirements.
  • Review and incorporate any multi-state payroll/benefits required disclosures in the annual open enrollment materials, benefits summary, certification and contracts or accuracy, and distribute required documents for compliance
  • Prepare bi-weekly multi-state payroll and benefits reconciliation, quarterly W-2 review, conduct internal benefits audit to ensure data integrity
  • Calculate tax gross up related to relocation Calculate workers compensation and quarterly Washington State L&I owed
  • Assists with internal and external audits. i.e. workers compensation, insurance audit, L&I, DOL, 401K, GAAP financial and other compliance audits
  • Support benefits and leave administration experience including health, disability, life, and 401(k) as well as ancillary benefits
  • Assist annual open enrollment, new hire enrollments, qualifying life events/benefit changes
  • Partnering with benefits broker to support insurance claims and general troubleshooting
  • Support leave eligibility and calculations, partnering with our vendors, insurance carriers and benefit broker to resolve issues such as billing and claims
  • Perform payroll/benefits reconciliation per internal procedure and identify and resolve payroll issues timely
  • Assist On-boarding new employees including leading new hire orientation, explanation of benefits, policies and systems, prepare new hire packets and post on-boarding orientation follow up
  • Assist Off board terminating employees in ADP, complete HR termination template request, submit the insurance carrier template and notify the COBRA vendor if needed
  • Adhere to compliance calendar deadlines
  • Submit Internal Communications and updating benefit notifications/materials to TP Web
  • Support HRIS integration with ADP. Routine cross check of HR information in HRIS with ADP employee of records.
  • Assist with employee questions/changes for direct deposit, tax withholding allowances, qualifying life events, benefit changes, etc.
  • Identify opportunities for process and systems improvements. Assist any ad hoc projects as needed

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.

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