On-Site Accounting & Finance Intern — Summer 2027

DWYER INSTRUMENTS, LLC; Simi Valley (CA); On-site; USD 21,000 - 30,000; Part time

Benefits offered by this job

Relocation assistance as needed

Real-world projects

Mentors and industry experts

Team collaboration development

Career development programming

Resume boost with a respected name in/

Job summary

DwyerOmega in Simi Valley, CA is offering a Summer 2027 Accounting & Finance Internship (Part-Time, 20-25 hours/week) on-site. You will support AR/AP, reconciliations, reporting, and ERP-related projects while gaining practical exposure to a broad set of accounting functions. The role is ideal for a student pursuing a degree in Accounting or Finance, with strong Excel skills and a willingness to learn in a fast-paced office environment.

On-site hours are 9:00 a.m. to 4:00 p.m.

Qualifications

• Pursuing a degree in Accounting, Finance or related field.
• Proficient in Excel, including advanced formulas.
• Able to work independently and as part of a team.
• Familiarity with ERP software is a plus but not required.
• Intermediate Accounting knowledge is a plus but not required.

Responsibilities

• Assist with accounts receivable: prepare and send invoices, apply customer payments, and follow up on past-due balances.
• Support accounts payable: enter vendor bills, match them to purchase orders and receipts, and prepare payment batches for review.
• Perform account reconciliations (bank, credit card, and AR/AP subledger to GL) as part of the monthly close.
• Maintain accurate files and documentation for audit and compliance support, including vendor records, W-9s, and invoice backup.
• Build and update Excel schedules and reports, such as AR aging, open PO listings.
• Assist with special projects and process improvements, such as cleaning up data in our ERP or documenting procedures.
• Work through the team’s ongoing to‑do list of AR and AP projects, GPO Reporting, while keeping the team updated on status.

Skills

Excel advanced formulas

Independent worker

Team collaboration

ERP familiarity

Education

Pursuing degree in Accounting/Finance

Tools

ERP systems

Job description

DwyerOmega in Simi Valley, CA is offering a Summer 2027 Accounting & Finance Internship (Part-Time, 20-25 hours/week) on-site. You will support AR/AP, reconciliations, reporting, and ERP-related projects while gaining practical exposure to a broad set of accounting functions. The role is ideal for a student pursuing a degree in Accounting or Finance, with strong Excel skills and a willingness to learn in a fast-paced office environment.

On-site hours are 9:00 a.m. to 4:00 p.m.