Staff Accountant

Our client in Seattle, WA is currently hiring for a Staff Accountant. This position is a hybrid opportunity located in the South Lake Union area. The role will begin with several weeks of onsite training before transitioning to a hybrid schedule with onsite work Tuesday through Thursday.

The ideal candidate will have experience with payroll processing, accounts payable, MIP accounting software, and nonprofit accounting environments.

Pay - $34.00/hr. to $36.00/hr.

Location - Seattle, WA (Hybrid: Tuesday-Thursday onsite after initial training period)

• Schedule
• Monday
• Friday, 8:00 AM - 4:30 PM

Responsibilities

• Process semi-monthly payroll and maintain payroll records, compliance, and reporting.
• Serve as the payroll system administrator and primary liaison with external payroll providers.
• Allocate payroll and benefits across multiple funding sources and prepare related journal entries.
• Reconcile payroll activity within the MIP accounting system.
• Ensure compliance with payroll regulations, tax requirements, and organizational policies.
• Generate payroll-related reports for Accounting and Human Resources teams.
• Process vendor invoices, employee reimbursements, and accounts payable transactions.
• Maintain accounts payable records, vendor files, and supporting documentation.
• Conduct check runs and submit positive pay reports to banking institutions.
• Reconcile accounts payable aging reports and general ledger balances.
• Process credit card transactions and employee travel reimbursements.
• Support month-end, quarter-end, and year-end accounting activities.
• Prepare financial reports and assist with audit preparation and support.
• Maintain compliance with nonprofit accounting standards and regulatory requirements.
• Manage vendor documentation including W-9, W-8, 1099, and 1042-S reporting requirements.
• Make bank deposits and maintain accurate cash receipt records.
• Support additional accounting projects and reporting initiatives as needed.

Qualification Requirements

• 4-6 years of experience as a Staff Accountant or related accounting professional.
• Experience working within a nonprofit organization highly preferred.
• Proficiency with MIP (Abila MIP) accounting software.
• Experience with accounts payable processing and vendor management.
• Experience processing payroll and supporting payroll administration.
• Strong general ledger, reconciliation, and journal entry experience.
• Experience supporting month-end close activities and financial reporting.
• Knowledge of payroll regulations, tax compliance, and payroll accounting practices.
• Experience preparing and reconciling payroll-related entries and reports.
• Familiarity with W-9, W-8, 1099, and 1042-S reporting requirements.
• Proficiency with Microsoft Excel, Word, and Access.
• Strong attention to detail and ability to manage multiple priorities.
• Excellent communication and organizational skills.

Disqualifiers

• No MIP accounting software experience.
• No Accounts Payable experience.
• No payroll processing or payroll administration experience.
• Limited general ledger, reconciliation, or journal entry experience.
• No experience supporting month-end accounting activities.
• Less than 4 years of relevant accounting experience.

Employee Value Proposition

• Opportunity to support a mission-driven nonprofit organization making a meaningful impact in cancer research and clinical trials.
• Hybrid work schedule offering flexibility after initial training period.
• Collaborative and purpose-driven work environment.
• Exposure to payroll, accounts payable, audit support, and nonprofit accounting functions.
• Comprehensive benefits package available upon permanent hire.
• Employer-paid medical, dental, vision, life insurance, and disability coverage.
• Retirement plan with employer contribution opportunities.
• Generous PTO package, holidays, and additional personal day benefits.
• Educational reimbursement opportunities for continued professional development.
• Contract-to-hire opportunity with long-term career growth potential.

Job Type & Location

This is a Contract to Hire position based out of Seattle, WA.

Pay and Benefits

The pay range for this position is $34.00 - $36.00/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)

Workplace Type

This is a hybrid position in Seattle,WA.

Application Deadline

This position is anticipated to close on Aug 6, 2026.

About Aston Carter

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.