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Accounting Internship (Winter 2024)

Interns supplement Costco's 500+ Accounting staff members in a variety of areas (e.g., accounts payable, tax & benefit analysis, fixed assets, account reconciliations, real estate accounting, reporting).

*As part of the interview process, online skills testing will be administered. Those meeting a certain threshold will be granted an interview.* Please apply here.

Position Summary
Accounting internships are temporary (10- to 12- week) positions open to:
  • Current college students (or recent graduates) actively pursuing a degree in Accounting, Finance, Economics, Business/MIS, or a related field.
  • Existing Costco employees with experience in the following departments: RTV, Expense, Sales Audit, Payroll, Vault, and Inventory Audit. 

Successful applicants will:
  • Gain experience in a professional Accounting office at a Fortune 20 company (the world's second-largest brick and mortar retailer).
  • Learn of career opportunities in the greater Accounting division for post-graduate employment.
  • Network and collaborate with Costco's management team and full-time associates.

Program specifics
  • Positions are 40 hours per week at our Corporate Office in Issaquah, Washington.
  • Candidates are expected to be available a minimum of 10 weeks, but no more than 90 consecutive days.
  • You will participate in weekly executive leadership presentations that are exclusive to interns.
  • The internship program begins Monday, January 8, 2024, and concludes Friday, April 5, 2024 (end date negotiable).
  • College-direct applicants only (warehouse exempt): To provide Accounting interns with insight into Costco's primary function - the operation of a warehouse - and gain exposure to our company culture, your first week will be spent working at a Costco warehouse.
  • A typical work week is Monday-Friday, 7 a.m. - 3:30 p.m., though hours may vary slightly depending on the department you are assigned.
  • A vanpool/carpool option may be available to our campus from your area. Details provided on request during the interview process.
Job Duties
  • Audits daily department work for accuracy. Verifies proper backup is attached.
  • Ensures correct approvals for listed.
  • Validates compliance with Costco Wholesale policies.
  • Codes and processes payments/transactions and journal entries to general ledger accounts.
  • Enters supplier invoices or journal entries into SAP and WinShuttle.
  • Makes corrections to previous postings in the general ledger as needed.
  • Used Excel and/or Google Sheets daily.
  • Works in a fast-paced environment, reaching daily deadlines.
  • Ensures accurate and on-time payments or project completion.
Required skills, abilities, and certifications
  • Must be an enrolled college student, preferably in a business-related field (e.g., Accounting, Business, Finance, MIS), OR a recent college graduate, OR have Costco experience listed above.
  • Ability to collaborate with coworkers and management on project management and problem-solving.
  • Interest in learning new skills and software. A technical aptitude preferred.
  • Ability to work independently as well as collaboratively.
  • Must be responsible and punctual.
  • Must exhibit a positive attitude and be self-motivated.
To apply
  • Please complete the application and submit the following:
  • Cover letter that explains your interest in Costco's organization and how this opportunity suits your career goals.
  • Resume that outlines your education and work experience.

Apart from any religious or disability considerations, open availability is needed to meet the needs of the business. All employment offers are contingent on applicants passing drug screening and a background check. If hired, you will be required to provide proof of authorization to work in the United States. Costco does not sponsor visas.