Summer Accounting Intern

Summer Accounting Intern

Duration: May 2026 - August 2026

Schedule: Part-Time or Full-Time Summer Internship

Crystal Heating & Cooling 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 Heating & Cooling Service, Inc.

Crystal Heating & Cooling 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.