Outsourced Accounting Services (OAS) Intern – Outsourced Accounting

Job Description

Intern Outsourced Accounting Services Fall 2026 | Joplin | Forvis Mazars US

The Tone:
This is an internship at Forvis Mazars US, located in Joplin, MO. Forvis Mazars US is ranked among the largest public accounting firms in the United States, with over 7,000 team members providing assurance, tax, and consulting services across all 50 states and internationally. This internship offers valuable, real-world experience within the Outsourced Accounting Services (OAS) group, providing exposure to diverse accounting projects and insight into public accounting opportunities beyond traditional audit or tax paths. The role is designed for individuals eager to develop practical accounting and finance skills by working alongside experienced professionals and contributing to client success.

The TL;DR
• Role: Internship
• Type: Part-time
• Location: In-person, Joplin, MO

• Team: Outsourced Accounting Services (OAS) group, working alongside associate, senior, and management level colleagues.
• Mission: Solve problems and provide recurring accounting and proactive advice to clients utilizing cloud-based accounting platforms and software applications.
• Tech Stack: Bill.com, QuickBooks Online, Sage Intacct, Microsoft Office Suite

What You’ll Actually Do
• Client Coordination: Dedicate time to client service by coordinating work for multiple clients, including various virtual and on-site outsourced accounting services.
• Accounts Payable & Payroll: Process accounts payable utilizing Bill.com and coordinate payroll services with third-party providers.
• Financial Reporting: Assist with monthly management reports and financial statements, as well as monthly and year-end trial balance closing assistance.
• Account Reconciliation & Depreciation: Perform bank and credit card account reconciliations and prepare depreciation schedules.
• System Implementation: Support accounting system design and implementation of cloud-based platforms like QuickBooks Online and Sage Intacct, along with various software application implementation projects.

The Must-Haves
• Background: Working toward a bachelor’s or master’s degree in accounting from an accredited college or university, with a minimum cumulative overall GPA of 3.0, and progressing towards CPA licensure eligibility. Applicants must be legally authorized to work in the United States for this entry-level internship position.
• Experience: No specific prior professional experience required; ability to commit to at least 20-25 hours per week during normal business hours (Monday-Friday, 8 am-5 pm) while accommodating a school schedule. Must possess reliable transportation to the assigned office and for off-site meetings or events.
• Skills: Strong initiative and problem-solving abilities, a commitment to providing unmatched client experiences, excellent verbal and written communication skills, proficiency in Microsoft Office Suite, and the ability to prioritize work for multiple clients to consistently meet deadlines.