Mastercool Inc
September 27, 2023
Randolph, New Jersey
Job Type
Starting at $55,000 per year



Innovation is the key to success in any industry, which could not be more accurate than at Mastercool. For over 40 years, we've led the way in innovation and technology, supplying professional air conditioning, service tools, and equipment to the automotive and HVAC/R industries. As one of the fastest-growing companies in this market, our primary goal is to drive New Product Innovation and Technologies to make the everyday work of the Air Conditioning / Refrigerant Technician easier!

With our never-ending focus on innovation and new technology, Mastercool has been awarded many patents worldwide. Our products are currently being distributed in over 76 countries worldwide!

We are actively looking for a highly experienced Quality Assurance Lead to join our team!


The Quality Assurance Lead will oversee and maintain quality standards with relation to product testing, compliance, and new product development, while continuously enhancing testing methodologies and processes for increased efficiency and effectiveness. The Quality Assurance Lead will work closely with our Suppliers, both domestically and internationally, and our internal Purchasing Dept to ensure product standards are exceeded and/or met.


  • Inspect and sample all incoming shipments to ensure compliance to specifications.
  • Identify any in-process failures during in-process inspections.
  • Generate, maintain, and file required quality records and forms as necessary.
  • Ensure items being produced are inspected, tested, and properly packaged according to internal specifications.
  • Conduct supplier communications and monitor follow-up actions regarding materials that are received out of specification.
  • Perform root cause investigations to identify the cause of product non-conformities and customer complaints.
  • Document and communicate with supervisors any product quality-related issues prior to production.
  • Evaluate and implement corrective and preventive actions and measure effectiveness.
  • Work with other departments and internal resources to resolve and improve quality assurance practices.
  • Identify gaps in the existing quality system and implement corrective actions to close.
  • Assist in developing specifications and tolerances for new product introductions.
  • Manage existing ISO 9001 quality assurance policies and procedures while developing new procedures to improve the overall quality system.
  • Maintain calibration and tool records.
  • Facilitate on-site quality visits and audits with outside vendors and 3rdparty auditors.


  • Previous QA/QC experience with strong attention to detail.
  • Proven experience working in a technical capacity.
  • A bachelor's degree is desired, and an engineering degree is a plus.
  • Must have experience within a manufacturing environment.
  • Fluency in written and spoken Spanish is a plus


Salary: From $55,000 per year

Bonus Details: Bonus is discretionary, based on the performance of the company and the individual.


  • Paid time off such as PTO, sick days, and vacation days
  • Health Insurance
  • Dental Insurance
  • 401k Plan
  • Profit Sharing – depending on financial performance