Senior Accounting Assistant: Invoicing & Payroll Support

Washington County, Oregon; Hillsboro (OR); On-site; USD 42,000 - 51,000; Full time

Benefits offered by this job

Award-winning benefits

Wellness program

Vibrant community

Job summary

Washington County is seeking a Senior Accounting Assistant to support daily financial operations within the Community Corrections Administrative Division. You will handle accounts payable/receivable, deposits, and payroll support while maintaining precise records in County systems.

The role emphasizes detail orientation, reliable processes, and teamwork in a supportive administrative environment. Strong communication with staff and vendors is essential, with opportunities for professional

Qualifications

• Knowledge of basic accounting and financial recordkeeping practices for invoices, payments, deposits, and routine reconciliations.
• Skill in accounts payable and accounts receivable tasks, including reviewing invoices, deposits, and recording payments.
• Ability to maintain organized financial records in computerized systems and follow established procedures.
• Experience supporting timekeeping or payroll-related tasks by reviewing information for completeness and accuracy.
• Skill in organizing work, meeting recurring deadlines, and maintaining attention to detail across daily/monthly tasks.
• Ability to communicate clearly with staff, vendors, and partner agencies regarding routine financial processes.
• Ability to provide patient, helpful customer service while assisting with questions or basic financial issues.
• Ability to work independently and as part of a team to support department goals.

Responsibilities

• Process accounts payable and accounts receivable transactions.
• Prepare deposits and record payments accurately.
• Assist with timekeeping and payroll support tasks.
• Maintain accurate financial records in County systems.
• Support daily financial operations and ensure procedures are followed.

Skills

Accounting basics

Accounts payable

Accounts receivable

Financial recordkeeping

Timekeeping/payroll support

Attention to detail

Communication with staff/vendors

Independent and collaborative work

Education

Associate Degree in accounting, business, or related field

Accounting Certificate (12 months)

Job description

Washington County is seeking a Senior Accounting Assistant to support daily financial operations within the Community Corrections Administrative Division. You will handle accounts payable/receivable, deposits, and payroll support while maintaining precise records in County systems.

The role emphasizes detail orientation, reliable processes, and teamwork in a supportive administrative environment. Strong communication with staff and vendors is essential, with opportunities for professional