Sr. QA Engineer (HVAC/Pump/Fluid)

This onsite role in Orange, CA targets a Senior QA Engineer specialized in HVAC, pump, and fluid electro-mechanical systems. The successful candidate will collaborate with hardware, firmware, and software teams to elevate design quality, verification and validation, and provide early design influence. The position offers a yearly salary of USD 130,000 to 150,000 and requires a bachelor’s degree along with at least 10 years of QA experience.

Responsibilities

• Collaborate with engineering teams to weave quality into every stage of product development across mechanical, electrical, firmware, and software domains
• Conduct engineering analyses such as fluid dynamics, heat transfer, and load calculations to verify performance targets like flow rate and vacuum levels
• Design and test prototypes to validate real-world performance early in the development cycle
• Develop product specifications and assess process capability (Cpk, SPC) to ensure consistent, scalable quality
• Plan and execute comprehensive test plans to validate performance, usability, and safety requirements
• Create test environments that simulate real-world operating conditions
• Troubleshoot and resolve design issues through structured testing and root cause analysis
• Ensure full traceability from requirements through validation, including DFMEA integration
• Work cross-functionally with design, engineering, and manufacturing teams to achieve high-quality outcomes
• Provide meaningful input during design reviews to shape the final product
• Support manufacturing ramp and address issues observed in production or the field
• Ensure compliance with global regulatory and safety standards such as EPA, IECEx, and ATEX

Requirements

• Bachelor's degree in Mechanical, Electrical, Electro-Mechanical Engineering, or a related field; Master's degree preferred
• 10+ years of progressive Quality Engineering experience in a product-based environment spanning hardware, firmware, and software
• Proven experience developing test environments, test procedures, verification plans, and conducting failure analysis
• Strong working knowledge of ISO 9001:2015, particularly in design and development
• Hands-on experience with verification and validation of electro-mechanical products
• Proficiency with CAD and simulation tools such as SolidWorks, AutoCAD, Revit, or equivalents
• Experience collaborating with overseas ODM/OEM partners
• Excellent analytical, problem-solving, and documentation skills
• Strong communication abilities with the capacity to influence cross-functional teams
• Ability to manage multiple priorities and deliver on tight timelines

Technologies

• SolidWorks
• AutoCAD
• Revit