Product Testing Technician

Role: Product Test Technician
Location: Portugal, Porto
Type of contract: Permanent, ful-time
Carrier is the leading worldwide provider of heating, ventilation, and air conditioning (HVAC), refrigeration, fire, security, and cold chain solutions. We invented the modern air conditioning, and our team of pioneers and innovators have a long history of developing new technologies.
Addvolt, now part of Carrier, global leader in intelligent climate and energy solutions, delivers advanced electrification technology, integrated power management and power electronics capabilities for transport refrigeration and auxiliary systems. Driving innovation in the electrification and decarbonization of onboard systems for refrigerated trailers, trucks, vans and containers, Addvolt empowers fleets to avoid fuel usage, reduce major emissions and operate efficiently at a remarkably low noise level. By combining Addvolt’s innovative power solutions with Carrier Transicold’s expertise in transport refrigeration, we are enhancing the value we deliver to fleets, original equipment manufacturers and logistics operators worldwide. Together with Carrier, we are accelerating the transition to a more sustainable, efficient and intelligent cold chain.
Purpose of the Role
The Product Testing Technician plays an important role in ensuring product quality, functionality, and reliability by supporting the preparation and execution of validation activities before projects, products, features, or firmware releases reach serial production or are deployed in the field.
This role exists to:
Prepare products, prototypes, equipment, and setups for testing
Execute validation and characterization tests according to defined test plans and procedures
Collect, organize, and perform an initial analysis of test results
Identify, document, and report defects, edge cases, and unexpected behaviours
Support the assembly, configuration, and maintenance of validation setups
Ensure test activities are executed accurately, consistently, safely, and with full traceability
The ultimate mission is to improve the quality and consistency of test execution and contribute to the delivery of robust and reliable products.
Key Responsibilities
Prepare products, prototypes, samples, tools, test setups and equipment required for validation activities
Execute manual, semi-automated, and automated tests according to defined test plans and procedures
Perform validation and characterization tests for products, projects, firmware releases, digital platforms, and new features
Operate laboratory and measurement equipment such as oscilloscopes, multimeters, power supplies, electronic loads, power analyzers, and data acquisition systems
Compare test results against defined requirements, specifications, and acceptance criteria
Identify abnormal behaviours, edge cases, deviations, and potential product failures
Perform initial troubleshooting to help distinguish between product failures, setup issues, measurement errors, and incorrect configurations
Prepare clear, complete, and structured test reports
Contribute to the continuous improvement of test procedures, setups, tools, and laboratory practices
Required Skills & Qualifications
Technical qualification in Electronics, Electrotechnics, Mechatronics, Automation, Industrial Maintenance, or a closely related technical field
Practical understanding of electrical and electronic systems
Familiarity with laboratory and measurement equipment, such as oscilloscopes, multimeters, power supplies, and power analyzers
Ability to read and understand technical instructions, wiring diagrams, electrical schematics, and test procedures
Ability to assemble, configure, and perform initial troubleshooting of electrical and electronic test setups
Ability to question unexpected results and investigate their possible causes
Good documentation and communication skills
Ability to collaborate effectively within multidisciplinary engineering teams
Nice to Have Skills
(Not mandatory but highly beneficial)
Previous experience in product validation, laboratory testing, production testing, quality control, electronics troubleshooting, or industrial maintenance
Experience with embedded systems or firmware validation
Familiarity with microcontrollers and communication protocols such as UART, I²C, SPI, CAN, BLE, Modbus, or Ethernet
Basic knowledge of Python or another scripting language
Familiarity with power electronics, battery systems, or high-voltage equipment
Working knowledge of English for reading technical documentation and reporting test results.
Pay Range
€17,500.00-€34,500.00