At ACE Thermal Systems, we design, engineer, manufacture, and support high-performance environmental control systems (ECS) and components for extreme temperature and operating conditions and reliable everyday use.

As your single source, dedicated supplier for bleed air systems, air conditioning systems, cabin pressure control systems, components, and more, the ACE team acts as a key extension of your team, providing intelligent innovation and proven design methodologies to deliver safe, reliable, air control technologies and systems for aircraft.

Our mission is to be the trusted source of mission critical products and services for Aerospace and Defense customers. We do this by exceeding customer expectations through innovative products and processes. We are committed to fostering a dynamic, collaborative environment that encourages professional growth and innovation.

Position Summary:
The Staff Accountant – Accounts Receivable (A/R) is responsible for supporting the Company’s accounting and financial operations with a primary emphasis on accounts receivable, and cash management. This role ensures accurate financial records, timely collections, effective dispute resolution, and compliance with internal controls and Company procedures.

As the Staff Accountant – A/R you’ll spend your day creating and processing invoices, recording payments. The majority of your day will be identifying issues in payment, working with internal departments to reconcile payments so products can be shipped, and calling on outstanding invoices to collect. Responsibilities include:

Accounts Receivable, Credit & Collections

• Generate, post, and distribute customer invoices and statements.
• Maintain accurate accounts receivable balances on a weekly and monthly basis.
• Perform proactive customer collections, including follow-up phone calls and email communication.
• Prepare and distribute weekly AR due lists and detailed AR aging reports.
• Investigate, document, and resolve customer billing disputes in coordination with Sales, Operations, Engineering, and Customer Service.
• Monitor customer credit limits and notify management of credit risk concerns or recommended credit holds.
• Process write-offs and bad debt adjustments with appropriate documentation and management approval.
• Maintain customer payment records, remittance advice, and supporting documentation.

Cash Management, Banking & Month-End Close

• Prepare and post daily bank deposits in the ERP system
• Perform bank reconciliations as assigned.
• Prepare monthly borrowing base calculation schedules and submit by required deadlines.
• Support month-end and year-end AR close activities, including reconciliations and variance explanations.
• Assist with audit requests related to accounts receivable, cash, and revenue recognition.

Sales Tax, Compliance & Documentation

• Maintain customer sales tax exemption certificates and supporting documentation.
• Assist with sales tax reporting and reconciliation as required.
• Ensure AR processes comply with internal controls, accounting policies, and quality system requirements.

Compliance, Safety & Professional Standards

• Follow all Company environmental, health, safety, and quality policies.
• Report safety concerns to management and wear required PPE as applicable.
• Maintain a clean, organized, and professional work environment.
• Read, respond to, and manage email communications continuously.
• Perform other job-related duties as assigned.
• Other duties may be assigned.

Hours: Full-time, 40 hours per week; typical schedule 8:00 a.m. – 5:00 p.m. Overtime on an infrequent basis.

Required Qualifications:

• High school diploma or GE; Bachelor’s Degree in Accounting or related field preferred.
• 1–2 years of accounting or accounts receivable experience.
• Experience with ERP/MRP Systems: Visual Manufacturing (AR, AP, BOMs, Product Costing, Customer & Vendor Inquiries).
• Microsoft Office: Excel – Intermediate to Advanced, Word – Intermediate, Outlook – Intermediate to Advanced, PowerPoint – Working knowledge
• Manufacturing environment experience preferred.
• Able to work on-site in our Seminole, OK facility required.