Senior Test&Validation Engineer: HVAC & AC Loop Systems

Valeo · Prague

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Valeo is a tech global company, designing breakthrough solutions to reinvent the mobility. We are an automotive supplier partner to automakers and new mobility actors worldwide. Our vision? Invent a greener and more secured mobility, thanks to solutions focusing on intuitive driving and reducing CO2 emissions. We are leader on our businesses, and recognized as one of the largest global innovative companies.

Who we are looking for

We are looking for a Senior Test&Validation Engineer to join our laboratory’s testing and validation team. You will validate HVAC modules and complete automotive AC loop systems, including the compressor, evaporator, TXV/EXV, and condenser, to ensure their performance, robustness, and reliability in next-generation vehicles. You will own validation work from test setup through customer-facing reporting, and you will provide technical leadership to laboratory technicians.

What you will do

• Plan, build, and commission test setups for HVAC units and complete AC loops
• Perform validation tests against customer requirements and internal specifications
• Troubleshoot and resolve test setup issues independently (test bench, DAq, DUT)
• Analyze test data, evaluate results, and prepare clear technical reports
• Present results to the project team and defend them in technical discussions with customers
• Provide technical leadership and guidance to laboratory technicians, including task planning, test execution quality, and know-how transfer
• Contribute to the development and continuous improvement of local test and validation standards
• Define and contribute to test bench specifications for new and upgraded lab equipment
• Support design reviews and give validation feedback to engineering teams
• Drive test automation and improvement of lab methods

What we are looking for

Required

• Degree in mechanical, thermal, automotive, or a related engineering field
• 5+ years of experience in validation or automotive engineering
• Solid understanding of how the refrigeration circuit works and of the architecture and function of the main AC loop components (compressor, evaporator, TXV, condenser)
• Hands-on experience building and troubleshooting test benches
• Ability to analyze complex technical data and write structured reports
• Confidence presenting and defending results in front of customers and project teams
• Ability to guide and motivate technicians and to take ownership of technical standards
• Professional-level English (spoken and written)
• Independent, structured, and detail-oriented working style

Strong advantages

• Experience in HVAC or refrigeration system testing
• Knowledge of automotive refrigerants: R134a and R1234yf, plus R744 (CO₂) and R290 (propane)
• Certification for refrigerant handling (M1)
• Test automation experience with LabVIEW or CANoe, including LIN control (for example EDC / EXV)
• Knowledge of vehicle integration of the AC loop (heat pump mode, battery cooling, battery heating)
• Experience with statistical analysis and worst-case

Benefits:

• Work in a stable international company in a multinational team
• Work with cutting-edge technologies in Automotive
• Possibility to see the whole development process in one place - from an idea (customer requirement) to a product (e.g. automated parking ECU)
• 6 weeks of vacation per year
• Flexible working hours and home office possibility
• Variable remuneration - monthly and semester bonuses depending on team and company result
• Contribution to the pension insurance after the probation period, 5% from the gross salary
• Meal contribution and free time vouchers on Flexi Pass card
• Possibility of Multisport card
• Fitness room and external sports ground (football, basketball, volleyball) on site
• Mobility support for commuting, accommodation and moving services if you live over 20km away
• Company canteen offering a selection of international cuisine
• Easy access to work by Prague metro line A, car parking for all employees
• Personal development program through technical trainings and language courses
• Regular company team building events
• Outdoor relax zone with a barbecue space for team building

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Join Us !
Being part of our team, you will join:

• one of the largest global innovative companies, with more than 20,000 engineers working in Research & Development
• a multi-cultural environment that values diversity and international collaboration
• more than 100,000 colleagues in 31 countries... which make a lot of opportunity for career growth
• a business highly committed to limiting the environmental impact if its activities and ranked by Corporate Knights as the number one company in the automotive sector in terms of sustainable development

More information on Valeo: https://www.valeo.com

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