We’re looking for an Firmware Test Engineer who wants to make a real impact on the quality of newly developed products. Join our experienced and friendly team, where you’ll play a key role in testing smart technologies for water management and climate control in modern homes. You'll work hands-on with the latest tech in a dynamic, innovative environment—perfect for someone who thrives on solving real-world challenges and shaping the future of smart living. If you’re looking for variety in your work and the chance to contribute to high-performance, environmentally friendly solutions, this could be the perfect opportunity for you. **JOB DUTIES:** + Perform black-box software testing (including regression and ad-hoc), primarily on embedded systems—on real devices, with occasional testing of mobile and web applications + Requirements analysis and test design; create test scenarios, perform error analysis, and report defects + Develop and maintain automated test scripts to support continuous testing efforts + Design and build tools or devices to support testing and prototype development—ideal for hands-on problem solvers + Share knowledge and support the growth of technical skills within the team through collaboration and mentoring + Work closely with developers and cross-functional teams across global locations—strong English communication skills are essential **YOU MUST HAVE:** + Experience with software testing and basic scripting skills in Python or C# + Hands-on knowledge of analog and digital electronics; ability to read schematics, BOMs, and use basic tools (e.g. soldering iron) + Practical experience with prototyping platforms (e.g. Arduino, Raspberry Pi, ESP32 or nRF) + Familiarity with wired communication protocols (such as UART, plus I2C, SPI, CAN). + Basic understanding of wireless technologies (Wi-Fi, Bluetooth, BLE, ZigBee, Z-Wave, Matter) + Basic knowledge of wireless network setup (e.g. configuring Wi-Fi routers). + Ability to measure electrical parameters, diagnose faults and analyse results using tools like oscilloscopes, multimeters, or logic analysers + Valid professional qualification in electrical engineering in accordance with Act No. 250/2021 Coll. and Decree No. 194/2022 Coll – (formerly "Decree 50“) **WE VALUE:** + Familiarity with development tools such as Renesas, SEGGER (J-Link), Total Phase (Cheetah SPI), etc. + Experience with tools and technologies like Jira, JAMA, SVN, and API testing platforms (e.g. Postman, ReadyAPI). **WHAT'S IN IT FOR YOU:** + 5 weeks of paid vacation + Hybrid work model + Flexible working hours + On-site canteen & home office meal vouchers + Pension plan or DIP contributions + Discounted phone plans & company product discounts + Multisport Card & cafeteria program + Be part of a mission to create energy-efficient solutions that benefit the planet + Work on global-scale projects with innovative technologies \#LI-VH1 \#LI-HYBRID Resideo is a $6.76 billion global manufacturer, developer, and distributor of technology-driven sensing and control solutions that help homeowners and businesses stay connected and in control of their comfort, security, energy use, and smart living. We focus on the professional channel, serving over 100,000 contractors, installers, dealers, and integrators across the HVAC, security, fire, electrical, and home comfort markets. Our products are found in more than 150 million residential and commercial spaces worldwide, with tens of millions of new devices sold annually. Trusted brands like Honeywell Home, First Alert, and Resideo power connected living for over 12.8 million customers through our Products & Solutions segment. Our ADI | Snap One segment spans 200+ stocking locations in 17 countries, offering a catalog of over 500,000 products from more than 1,000 manufacturers. With a global team of more than 14,000 employees, we offer the opportunity to make a real impact in a fast-growing, purpose-driven industry. Learn more at [www.resideo.com](http://www.resideo.com/). At Resideo, we bring together diverse individuals to build the future of homes. Resideo is an equal opportunity employer. Qualified applicants will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, religion, or veteran status. For more information on applicable U.S. equal employment regulations, refer to the ["EEO is the Law" poster](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20poster.pdf?rv=fdc492d184344b3ea4aec0c96b321632), ["EEO is the Law" Supplement Poster ](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/EEO%20is%20the%20Law%20Supplement%20Poster.pdf?rv=ebe367cad846443e8fa5aa86062813b6)and the [Pay Transparency Nondiscrimination Provision](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Careers/Pay%20Transparency%20Nondiscrimination%20Provision.pdf?rv=11a9cf6533ba426296b137d906b0ce01). Resideo complies with applicable equal employment laws in all countries where we do business. For more information on how we process your information in the job application process, please refer to [Recruitment Privacy Notice](https://www.resideo.com/us/en/-/media/Resideo/Files/Corporate/Resideo%20%20-%20Recruitment%20Privacy%20Notice.pdf?rv=6d871e71bfa24982b181c92fda232b7a). If you require a reasonable accommodation to apply for a job, please use Contact Us form for assistance.