Accounting Assistant, Senior

## Accounting Assistant, Senior Apply:
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:**## PURPOSE The Senior Accounting Assistant classification performs accounting work of a moderately complex nature including maintaining cost records, account controls, and fiscal records.## DISTINGUISHING CHARACTERISTICS The 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 EXERCISED The 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 DUTIES 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;
*…