Assistant Accounts Payable Manager Jobs in Oregon

This role focuses on managing the accounts payable inbox, processing invoices in a fully digital environment, and supporting the transition to an enterprise resource planning (ERP) system. The Accounts Payable Specialist will handle daily invoice entry, respond to vendor and internal inquiries, and help resolve backlog issues as the department continues to enhance its digital workflow. This position offers the opportunity for long-term growth for someone who is proactive, detail-oriented, and eager to learn.

• Monitor the accounts payable inbox in Microsoft Outlook on a daily basis, respond to inquiries, and provide timely support to internal and external stakeholders (for example, questions such as “When was this invoice paid?”).
• Process and enter invoices accurately into the ERP system (Microsoft D365) and ensure all supporting documentation is complete and properly recorded.
• Support backlog clean-up related to recent system and process changes, including updating invoices into the system as the department has transitioned to a 100% digital environment.
• Work within Microsoft D365 and other ERP tools to maintain up-to-date accounts payable records and ensure data integrity.
• Perform data entry for accounts payable transactions, including invoice coding, matching, and posting in accordance with established procedures.
• Assist with reconciliations related to accounts payable, helping to identify and resolve discrepancies in a timely manner.
• Collaborate with team members to ensure invoices are processed within required timelines and that vendors receive accurate and timely payments.
• Communicate clearly and professionally with vendors and internal teams to resolve issues, clarify invoice details, and support a high level of customer service.
• Demonstrate initiative by learning and understanding the full invoicing process and contributing to continuous improvement of accounts payable workflows.
• Maintain organized records and documentation to support audits and internal reporting requirements.

• At least 1 year of accounts payable experience.
• Hands-on experience with accounts payable processes, including invoice processing, invoicing, and payable administration.
• Proficiency with Microsoft Outlook, including managing a shared inbox and responding to a high volume of emails.
• Experience working with an ERP system; Microsoft D365 experience is preferred, and experience with other ERP systems is acceptable.
• Ability to perform accurate and efficient data entry for accounts payable transactions.
• Proficiency with Microsoft Office, including Microsoft Excel, for basic reporting and reconciliations.
• Experience with reconciliations related to accounts payable or similar financial processes.
• More than basic QuickBooks experience, with exposure to broader or more complex systems and workflows.
• Strong attention to detail and accuracy in handling financial data.
• Effective written and verbal communication skills to support internal and external customer service.
• Self-starter mindset with eagerness to learn and understand the end-to-end invoicing process.

• Experience working in a fully digital accounts payable environment.
• Prior exposure to large corporate or headquarters settings.
• Demonstrated ability to adapt to new systems and processes, especially during technology transitions.
• Customer service orientation and a strong focus on teamwork.
• Willingness to receive training and apply feedback to continuously improve performance.
• Ability to prioritize tasks and manage time effectively in a fast-paced environment.

This role is based onsite at a headquarters campus, offering a professional office setting with access to modern systems and tools. The standard work schedule is approximately 8:00 a.m. to 5:00 p.m., with some flexibility to accommodate unique needs when possible. The department operates in a fully digital accounts payable environment, using Microsoft D365 as the primary ERP system along with Microsoft Outlook and other Microsoft Office applications. The team culture emphasizes collaboration, customer service, and mutual support, and team members are willing to train and mentor individuals who show strong effort and eagerness to learn.

This is a Contract position based out of Newberg, OR.

The pay range for this position is $22.00 - $22.60/hr.

Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave)

This is a fully onsite position in Newberg,OR.

This position is anticipated to close on Aug 14, 2026.

Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe. Specialized in accounting, finance, human resources, talent acquisition, procurement, supply chain and select administrative professions, we extend the capabilities of industry-leading companies. We draw on our deep recruiting expertise and expansive network to meet the evolving needs of our clients and talent community with agility and excellence. With offices across the U.S., Canada, Asia Pacific and Europe, Aston Carter serves many of the Fortune 500. We are proud to be a ClearlyRated Best of Staffing® Platinum Award winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email astoncarteraccommodation@astoncarter.com for other accommodation options.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.