Staff Accountant / Accounts Payable

System One is seeking an experienced Accounts Payable professional for a 3-month contract on-site in Bellevue, WA. Candidates must be local to the area. The successful candidate will be responsible for the accurate, efficient, and timely processing of invoices, subrecipient payments, and expense reimbursements. This role requires knowledge of direct, indirect, and unallowable expenses, as well as expertise in GAAP, the Federal Acquisition Regulation (FAR), and experience with Oracle Fusion Cloud Accounts Payable or a comparable Tier 1 ERP system (e.g., Dynamics, JD Edwards, Peoplesoft, SAP). Responsibilities : Manage full-cycle accounts payable, including tracking, recording, coding, approval, and payment. Review invoices against purchase orders (PO / PR) on file. Record invoices in Oracle Accounts Payable and ensure accurate scanning and matching with purchase orders. Prepare journal entries and balance sheet reconciliations. Prepare, process, and file 1099 forms. Collaborate with procurement and technical teams to obtain necessary approvals. Identify unallowable costs based on government rules and contractual terms. Process disbursements to vendors, subcontractors, and subrecipients. Review and process employee expense reimbursements. Issue manual checks, wire transfers, ACH payments, void checks, and positive pay. Manage vendor relations and resolve invoice discrepancies. Support general ledger accounting and journal entry postings. Record sales and use tax as applicable. Maintain AP files and monitor the accounts payable aging. Implement policies and procedures to improve efficiency. Perform moderately complex accounting tasks, categorizing data for reporting and audits. Apply knowledge of accounting and government policies when addressing inquiries from stakeholders. Support audits for allowable and unallowable costs. Assist with ERP system improvements and upgrades. Key Qualifications and Skills : BA / BS in Accounting or related field, or equivalent business experience. Minimum of 3 years of experience in a high-volume accounts payable environment. Proficient in Microsoft Excel & Office 365. Knowledge of Oracle Cloud Accounts Payable is preferred. Experience with government grants and contracts is a plus. Highly organized with a keen attention to detail and accuracy. Able to quickly learn new information and technologies. Comfortable working in a fast-paced environment. Strong communication skills and the ability to collaborate with non-accounting professionals. Strong analytical and problem-solving abilities. Ability to prioritize tasks and manage time effectively. Team-oriented with a collaborative mindset. High degree of trust and integrity, with strong communication and respect for teamwork. Ref : #161-Managed Staffing Charlotte