Mestex Logo HVAC- Parts Sales Assistant

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Scope of Position:

The Parts Sales Associate supports internal and external customers by providing accurate parts identification, pricing, order entry, and follow-up services. Working under the direction of the Customer Service Manager, this role serves as a key point of contact for part-related inquiries and plays a critical role in customer satisfaction, order accuracy, and timely fulfillment. The position requires strong attention to detail, system proficiency, and the ability to research both current and legacy job files.

 

Essential Duties and Responsibilities:

Customer Service & Communication:

  • Respond to incoming phone calls and emails in a professional and timely manner.
  • Gather and verify customer information, including model and serial numbers, to accurately identify parts needs.
  • Provide customers with order status updates, tracking information, and follow-up communication as needed.
  • Ensure customer questions are addressed thoroughly and escalate complex issues when appropriate.

 

Parts Identification & Research:

  • Pull and review job files (electronic and archived) to identify required parts, Bills of Materials (BOMs), and historical data.
  • Research parts for both current and obsolete units using internal archives, ERP systems, and cross-reference documentation.
  • Identify whether parts are purchased or manufactured and confirm availability.

 

Quoting & Pricing:

  • Prepare accurate parts quotes using established pricing formulas and guidelines.
  • Determine lead times and communicate estimated delivery timelines to customers.
  • Include additional labor, programming, or engineering costs when applicable.

 

Order Entry & Processing:

  • Enter parts orders accurately into the Global Shop Solutions (GSS) ERP system.
  • Verify billing, shipping, pricing, and customer purchase order details prior to order submission.
  • Select appropriate shipping methods and coordinates with internal departments as needed.
  • Ensure completed orders and related documentation are properly filed.

 

Order Tracking & Follow-Up:

  • Provides tracking information to customers once orders have been shipped.
  • Proactively follows up on delayed or late shipments.

 

Engineering Coordination & Special Requests:

  • Recognize when parts requests require Engineering involvement.
  • Coordinate with Engineering to obtain required parts lists.
  • Ensure modifications and special requests are documented.

Spare Parts & Preventive Support:

  • Assists in creating recommended spare parts lists.
  • Supports customers with long-term maintenance planning.

 

Compliance & Documentation:

  • Adheres to all Quality, Environmental, and Company policies.
  • Maintains accurate records.
  • Performs other related duties as assigned.

Position Requirements:

  • Strong mechanical aptitude and mechanically inclined background required.
  • High school diploma or equivalent required.
  • HVAC industry experience preferred but not required.
  • Additional technical coursework, certifications, or related experience preferred.
  • Strong verbal and written communication skills.
  • Ability to interpret technical information and BOMs.
  • Proficiency with ERP systems and Microsoft Office.
  • Strong organizational skills and attention to detail.
  • Ability to work effectively in an office environment while occasionally interacting with warehouse and production personnel.
  • Standard business hours with flexibility as business needs require

 

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5 Questions You Should Ask During the Interview


Here are 5 questions we think you could ask during your interview. Use them as a guide to help you write your own questions.

Remember: Always have at least 5 questions prepared for the interview. If you do not, you run the risk of looking unprepared.

What does success look like in this role, and how is it measured?

Why ask this? You want to ensure you have a clear understanding of expectations before accepting the role. Knowing how success is measured helps you hit the ground running and avoid surprises about performance evaluations. It also signals to the employer that you're results-driven.

Can you describe the team dynamic and the company culture?

Why ask this? Skills and experience matter, but if the work environment isn’t a good fit, you won’t be happy or productive. This question helps you gauge whether the company values collaboration, how teams interact, and whether the culture aligns with your work style and values.

What are the biggest challenges facing the person in this role right now?

Why ask this? Every job has challenges, and it’s better to know them upfront. This helps you assess whether the role is a good fit for your strengths and whether the company is realistic about its expectations. If they hesitate to answer, it could be a red flag.

How does the company support work-life balance and employee well-being??

Why ask this? Burnout is real, and some companies expect employees to sacrifice personal time for the job. By asking this, you’ll get a sense of how they value work-life balance, flexibility, and well-being—things that are crucial for job satisfaction and long-term success.

These questions help you make an informed decision while also showing your professionalism and strategic thinking!

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Location
Job Data

Company: Mestex

Location: Dallas, TX

Posted: June 28, 2026

Category: Customer Service