Summer Accounting Intern

Summer Accounting Intern Duration:

May 2026 - August 2026

Schedule:

Part-Time or Full-Time Summer Internship Crystal HeatingCooling Service, Inc. is seeking a motivated and detail-oriented Summer Accounting Intern to support our Accounting Department during our busy summer season. This internship offers hands-on experience in accounting operations, payroll support, accounts payable/receivable, job costing, and construction accounting within a fast-paced HVAC environment. This is an excellent opportunity for a student pursuing a degree in Accounting, Finance, or Business Administration who wants meaningful real-world accounting experience beyond basic administrative tasks. Key Responsibilities Assist with Accounts Payable processing, invoice entry, and vendor file maintenance. Support Accounts Receivable activities, including customer payment application and collections follow-up Help reconcile credit card statements, bank transactions, and general ledger accounts Assist with payroll preparation, reporting, and audit support Support construction and union-related accounting functions, including equality funds processing, union reporting, prevailing wage documentation, and compliance tracking Suppothe rt month-end close processes and preparation of journal entries Organize and maintain accounting and employee documentation Assist with job costing and financial data entry in ServiceTitan and QuickBooks Prepare spreadsheets, reports, and financial analysis using Microsoft Excel Support internal process improvement and special accounting projects Assist with filing, scanning, and maintaining accurate accounting records Maintain confidentiality of sensitive financial and employee information Qualifications Currently pursuing an Associate's or Bachelor's degree in Accounting, Finance, or Business Administration. Basic understanding of accounting principles and financial statements Strong attention to detail and organizational skills Proficient in Microsoft Excel and Microsoft Office Suite Ability to prioritize tasks and work independently in a deadline-driven environment Strong communication and professionalism Willingness to learn and take initiative Preferred Qualifications Prior office, bookkeeping, or internship experience preferred but not required.d Experience with QuickBooks, ServiceTitan, or ERP/accounting systems is a plus. Interest in construction, HVAC, or operational accounting environments What You'll Gain Hands-on accounting and finance experience in a growing company Exposure to real-world month-end close and financial reporting processes Experience with job costing and operational accounting Exposure to union, prevailing wage, and construction compliance accounting processes is rarely offered in traditional internships Mentorship from experienced accounting leadership Opportunity to build professional skills in communication, organization, and problem-solving Compensation Paid internship ($18-$22/hour based on experience) Flexible scheduling available About Crystal HeatingCooling Service, Inc. Crystal HeatingCooling Service, Inc. is a 100% employee-owned (ESOP) HVAC company serving residential and commercial customers throughout Missouri. We are committed to teamwork, integrity, growth, and delivering exceptional service to our customers and employees alike.