Accounting Assistant, Senior

WCSO; Hillsboro, Northern (OR, KY); Hybrid; USD 43,000 - 51,000; Full time

Job summary

Washington County in Hillsboro, OR seeks a Senior Accounting Assistant to perform moderately complex accounting duties, including maintaining ledgers, journal vouchers, and cost records. The role supports a collaborative environment and ensures accurate financial reporting for contracts and public programs.

The position requires an Associate’s Degree in accounting or related field with 2+ years of accounting experience, or equivalent certificates and years; a strong knowledge of federal/state

Qualifications

• Knowledge of financial and accounting recordkeeping practices
• Familiar with applicable federal, state, and local laws
• Ability to interpret and apply policies and procedures
• Proficient with standard office software and tools

Responsibilities

• Maintains chart of accounts and audits ledgers
• Prepares, reviews, and posts journal entries to the general ledger
• Prepares invoices for contracts and records payments
• Records expenditures and performs cost accounting duties
• Supports a collaborative and respectful workplace culture
• Responds to questions and resolves problems regarding accounting procedures
• Maintains payment records for construction and engineering contracts
• Coordinates input to Cost Accounting System and reconciles reports
• Assists with financial reporting and annual audits
• Manages accounts receivable and cash transmittals
• Processes land sale payments and related journal entries
• Records investments and codifies transactions as required
• Works with department staff to answer questions about accounts

Skills

Financial recordkeeping

Accounting principles

Federal/state/local laws

Office software

Education

Associate's Degree in accounting or related field

Accounting Certificate (12 months)

Five years or more accounting experience

Job description

## Accounting Assistant, SeniorApply: Hybrid Possible: Hillsboro, OR: Full time: Posted Today: End Date: October 26, 2026 (14 days left to apply): R569**Note**: This job will be posted through 11:59 PM of the day **prior** to the end date listed.**Current Washington County Employees:** Please apply through the employee portal to be considered for this opportunity.**Job Type:**Regular**Pay Range:**$30.53 - $37.08 Hourly**Department:**Land Use & Transportation (LUT)**FLSA Exemption Status:**Non-Exempt**About the Opportunity:**## PURPOSEThe Senior Accounting Assistant classification performs accounting work of a moderately complex nature including maintaining cost records, account controls, and fiscal records.## DISTINGUISHING CHARACTERISTICSThe Senior Accounting Assistant is the advanced journey level class in the Accounting Assistant series. Positions at this level are distinguished from other classes within the series by the level of responsibility assumed and the complexity of duties assigned. Employees perform the most difficult and responsible types of duties assigned to classes within this series. Employees at this level are required to be fully trained in all procedures related to the assigned area of responsibility.## SUPERVISION RECEIVED AND EXERCISEDThe Senior Accounting Assistant receives general supervision from assigned management staff. The Senior Accounting Assistant may exercise supervision over assigned accounting and administrative support staff.## ESSENTIAL JOB DUTIESDuties may include, but are not limited to, the following:1. Maintains a chart of accounts; maintains and audits various ledgers, registers, and journals according to established account classifications; creates journal vouchers.2. Prepares, reviews, and posts journal entries to the County financial system and reconciles general ledger account balances; researches and resolves reconciliation issues as necessary.3. Prepares invoices for contracts and receives and records payments on these contracts.4. Prepares journal entries to record various expenditure transactions.5. Assists in creating a positive and supportive work environment; enforces a safe workplace; establishes a culture of teamwork and communication; creates a workplace that promotes the organizational values of access and opportunity and actively promotes an environment respectful of living and working in a society accepting of all.6. Provides functional and technical information and instructions regarding applicable procedures and methods; interprets and explains rules and regulations; answers questions and resolves problems and complaints.7. Maintains payment and retainage records for construction and engineering contracts.8. Coordinates input to Cost Accounting System; edits and reconciles cost accounting reports.9. Researches and answers department questions regarding status of accounts, the proper coding of transactions, and other matters.10. Prepares and records trust payment vouchers and verifies money in the accounts.11. Processes land sale contract payments, making interest and principal calculations; makes journal entries.12. Receives and records reports on the State Investment Pool and makes appropriate journal entries.13. Coordinates the initial creation of assessment accounts.14. Assists with preparation of financial reports and the schedules needed for annual financial audits; assists with project audits.15. Audits journal entries, cash transmittals, trust and agency releases.16. Administers accounts receivable program; maintains files of invoices issued by county departments; prepares cash transmittals.## KNOWLEDGE, SKILLS AND ABILITIES*Knowledge of:** Financial and accounting recordkeeping practices and procedures;* Applicable federal, state, and local laws;* Modern office methods and procedures and computer equipment; and* Basic mathematical principles.*Skills to:** Provide timely, effective, and efficient customer service to citizens, clients, and other employees; and* Interact patiently with individuals making inquiries regarding various County programs and services, who may have little or no experience or knowledge of the services provided.*Ability to:** Maintain and balance a variety of financial records, ledgers, and accounts;* Perform varied technical accounting and bookkeeping work;* Operate a typewriter, calculator, computer terminal, and other office equipment;* Maintain a variety of financial records and files;* Perform procedures in an organized and accurate manner;* Interpret and apply federal, state, and local policies, procedures, laws, and regulations;* Understand and carry out oral and written instructions;* Communicate effectively both orally and in writing;* Establish and maintain cooperative working relationships with individuals and groups who come from diverse backgrounds and represent members of the public, coworkers, and/or vendors; and* Train and supervise clerical and accounting subordinates.## MINIMUM QUALIFICATIONSEducation and Experience: A typical way to obtain the knowledge and abilities would be:* Possession of an Associate's Degree in accounting, business, or related field **AND** two (2) or more years of work experience related to accounting, bookkeeping, or fiscal management; **OR*** Accounting Certificate (12 months) **AND** three (3) or more years of work experience related to accounting, bookkeeping, or fiscal management; **OR*** Five (5) or more years of work experience related to accounting, bookkeeping, or fiscal management.## ADDITIONAL LICENSES, CERTIFICATES, PHYSICAL ABILITIES AND SPECIALTY REQUIREMENTS* Some positions may be required to pass a criminal background check. **Selection Process:**You can review our standard selection process here. **Our commitment to you:** Washington County is an equal opportunity employer committed to using a merit-based system in which recruiting, selecting, and advancing employees is based on knowledge, skills, and abilities. Our organization embraces innovation, collaboration, and work-life harmony. We promote employee development and offer an award-winning benefits and wellness program as well as an opportunity to serve and support our vibrant community*.***Veterans' Preference:** If you are a Veteran and would like to be considered for Veterans' preference for this recruitment, please review the instructions using this link: Veterans' Preference Points. **Accommodation under the Americans with Disabilities Act:** Reasonable accommodation is available to anyone whose specific disability prevents them from completing this application or participating in the selection process for this recruitment. To obtain confidential assistance please contact Human Resources 503-846-8606, or email: [e-mail] at least 48 hours before any step in the recruitment and selection process for which you feel you need accommodation. **Status of Your Application:** You will be advised by email of your status at each step in the application process, from initial application to final employment disposition. Please note that Washington County communicates with all candidates via email. **Notice:** Washington County is currently undergoing a comprehensive classification and compensation study. The purpose of this project is to create new job descriptions and create new classification and compensation systems. Outcomes of the project will include changes to classification titles, which could impact compensation structures. **No one will have their pay rate lowered** because of this project. For represented positions, appropriate bargaining processes will be utilized prior to implementation.