Staff Accountant – Accounts Payable

Bellevue, Washington

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Type: Contract

Experience: 0

Category: Accounting & Finance

Contractor Work Model: Onsite

Brand: System One

Compensation Range: 37.00 - 74.00 Per Hour

Job ID: 348519

Date Posted: 03/31/2026

Shortcut: http://jobs.systemone.com/5pbhEA


System One is seeking a Staff Accountant – Accounts Payable to support a fast-paced, high-volume accounting environment. This role is responsible for full-cycle accounts payable processing, ensuring accuracy, compliance, and timely execution of financial transactions.

This is a great opportunity for someone with strong AP experience who thrives in a detail-driven, collaborative environment.

Responsibilities

  • Own full-cycle accounts payable including tracking, coding, approvals, and payments
  • Review invoices against purchase orders and supporting documentation
  • Process invoices in ERP system (Oracle or similar), ensuring accurate matching and documentation
  • Prepare journal entries and balance sheet reconciliations
  • Partner with procurement and internal teams to obtain approvals and resolve discrepancies
  • Identify unallowable costs in accordance with government regulations and contract terms
  • Process employee expense reimbursements
  • Manage vendor relationships, including onboarding and issue resolution
  • Support general ledger activities including journal posting
  • Record sales and use tax as applicable
  • Maintain AP files and monitor aging reports
  • Support audits related to allowable/unallowable costs
  • Assist with ERP system improvements and process enhancements
  • Perform data analysis and reporting for accounting and audit purposes

Qualifications

  • Bachelor’s degree in Accounting or related field (or equivalent experience)
  • 3+ years of experience in a high-volume accounts payable environment
  • Strong proficiency in Microsoft Excel and Office 365
  • Experience with Oracle Cloud AP or similar ERP systems (SAP, JD Edwards, PeopleSoft, Dynamics) preferred
  • Experience with government contracts or grant accounting preferred
  • Strong understanding of GAAP principles

Key Skills

  • High attention to detail and accuracy
  • Strong organizational and time management skills
  • Ability to work in a fast-paced environment
  • Excellent communication skills across cross-functional teams
  • Analytical problem-solving abilities
  • Ability to manage priorities and meet deadlines
  • Team-oriented with a collaborative mindset

Additional Requirements

  • Ability to sit or stand for extended periods
  • Ability to perform repetitive tasks and standard office work
  • Ability to lift up to 50 lbs as needed



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