Accounts Receivable Specialist

Position Overview

The Accounts Receivable Specialist is responsible for ensuring accurate and timely invoicing, payment collection, and reconciliation of customer accounts. The ideal candidate has strong analytical and organizational skills, excellent communication abilities, and thrives in a deadline‑driven environment.

• Generate and issue accurate customer invoices based on contracts, sales, or service agreements.
• Monitor accounts for overdue invoices or debts and follow up with clients via phone, email, or mail to ensure timely payments.
• Record incoming payments (checks, ACH) in compliance with financial policies and procedures.
• Apply payments to customer accounts within our ERP system.
• Maintain and update customer records, payment terms, and contact information.
• Review aging reports and elevate delinquent accounts as needed.
• Coordinate with other departments to resolve billing disputes or discrepancies.
• Assist in month‑end closing by preparing reports and documentation as needed.
• Support internal and external audits by providing documentation and explanations for AR transactions.
• Perform any additional tasks as assigned by TAS.

• Proficiency in accounting software.
• Strong Microsoft Excel skills and standard office software (Word, Outlook).
• Excellent organizational, problem‑solving, and communication skills.
• High level of accuracy and attention to detail.
• Ability to work independently and collaboratively in a fast‑paced environment.
• Ability to follow up on outstanding invoices and handle customer interactions.

• High school diploma or GED equivalent with relevant work experience.
• Associate degree in accounting or a related field preferred.

• 3+ years of experience in accounts receivable or general accounting.
• Basic knowledge of accounting principles and AR processes.

• Experience with collections or credit analysis.
• Knowledge of GAAP and internal controls.
• Familiarity with ERP systems and various customer portals.
• Bachelor’s degree in accounting, finance, or a related field preferred.

Position is at least 80%–95% spent at a desk working with a computer. Ability to exert up to 10 pounds of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull or otherwise move objects, including the human body. Performs other physical activities including use of fingers, sitting, stooping, bending, crouching, talking, hearing, and performing repetitive motions.

Visual acuity requirements include color, depth perception and field of vision necessary to prepare and analyze data and figures, operate a computer terminal, and conduct extensive reading. The incumbent will be subject to inside environmental conditions.

TAS Energy is a Houston‑headquartered company that is part of Comfort Systems USA, a publicly traded organization known for outstanding value, integrity, and customer focus. By offering a small company feel with the resources, talent, and international reach of a large corporation, we provide innovative modular systems engineered and manufactured in Houston, TX. TAS has successfully delivered and commissioned over 520 packages to more than 33 countries.

With ISO 9001 certified facilities covering 1.2 million square feet, we manage logistics and transportation to accelerate construction at customer facilities. Our fastest growing business is the data center market, where we apply deep expertise in cooling, thermodynamics, and power to deliver groundbreaking products. More information is available on our website:

TAS Energy Inc. guarantees equal employment opportunities to all qualified applicants. All qualified applicants will receive consideration for employment, without regard to age, race, color, religion, sex, sexual orientation, gender identity, or national origin.