Summary: Seeking a Test Hardware Engineer to develop and execute test solutions for complex digital, RF, and analogue hardware, with a focus on satellite payload systems. Highlights: 1. Develop and execute comprehensive test plans for satellite payload subsystems 2. Proficiency in Python and C++ for test automation and embedded interaction 3. Work hands-on with digital, RF, and analogue electronics **WHO ARE WE?** Sateliot is a Barcelona\-based Startup in the New Space sector, becoming the **first satellite telecommunications operator** that will provide **global and continuous connectivity** to all the elements that will make up the massive Internet of Things **(IoT) universe under the 5G protocol**. In order to do so, Sateliot is launching a **constellation of last generation nanosatellites**, located at low altitude that act as mobile towers. Sateliot is the perfect complement for large telecommunications companies by providing them with the necessary infrastructure where terrestrial technologies do not arrive. **YOUR MISSION** We are seeking a Test Hardware Engineer to develop, implement, and execute test solutions for complex digital, RF, and analogue hardware, with a particular focus on satellite payload systems. The successful candidate will be responsible for designing test strategies, developing automated test software, commanding embedded processors, acquiring and analysing data, and producing high\-quality test documentation. This role requires a strong blend of hands\-on hardware knowledge and software development skills, as well as experience testing high\-reliability electronic systems. **YOUR MAIN FUNCTIONS** **Test Development \& Execution** * Develop and execute comprehensive test plans for digital, RF, and analogue hardware, including satellite payload subsystems * Design and implement automated and semi\-automated test algorithms to validate performance, functionality, and reliability * Perform unit, integration, and system\-level testing of hardware assemblies * Debug and diagnose hardware and firmware issues using test equipment and software tools **Software \& Automation** * Develop test software in **Python** and **C\+\+** to control test equipment, command hardware, and process measurement data * Implement interfaces to command microprocessors and embedded systems (e.g. via UART, SPI, I2C, Ethernet, SpaceWire, or similar) * Acquire, log, and analyse data read back from microcontrollers and processors * Maintain and improve existing test frameworks and codebases **Hardware Interaction** * Work hands\-on with digital, RF, and analogue electronics * Configure and operate laboratory test equipment such as oscilloscopes, spectrum analysers, signal generators, network analysers, power supplies, and logic analysers * Support hardware bring\-up and fault isolation activities **Documentation \& Reporting** * Author detailed test plans, procedures, and reports in line with engineering and quality standards * Document test coverage, results, anomalies, and corrective actions * Support design reviews by providing test evidence and technical input **Collaboration** * Work closely with hardware, firmware, and systems engineers to define test requirements and acceptance criteria * Support environmental and qualification testing activities for space hardware (where applicable) **REQUIREMENTS** * Strong experience of automating testing **digital, RF, and analogue hardware** * Proficiency in **Python** for test automation and data analysis * Working knowledge of **C\+\+** for test software or embedded interaction * Solid understanding of electronic hardware fundamentals (schematics, datasheets, signal integrity, power systems) * Experience commanding **microprocessors or microcontrollers** and reading data from them * Ability to design, write and execute **test plans** for complex electronic systems * Experience coding and executing **test algorithms** * Strong debugging and problem\-solving skills * Experience testing **satellite payload hardware** or other high\-reliability systems * Familiarity with RF measurements and characterisation techniques * Knowledge of embedded systems, firmware interfaces, and low\-level communications * Experience with version control systems (e.g. Git) * Exposure to space, aerospace, or regulated engineering environments * Degree in Electrical Engineering, Electronic Engineering, Physics, or a related discipline (or equivalent experience) **WHAT YOU’LL FIND WHEN WORKING AT SATELIOT:** You will be part of one the fastest\-growing start\-ups in Spain with global reach along getting into the challenging world of New Space \& Telecommunication. Our culture is based on embracing openness by welcoming multicultural talent, being respectful with everybody and being open to exchange ideas. We are also committed to a healthy lifestyle by helping our team balance their work and personal life and also by providing them facilities for healthy habits. We are a driven team with big goals, that seek for people who are genuinely passionate about their work and that also want to keep learning and getting better personally and professionally! **WHAT DO WE OFFER?** * Full time permanent Contract * Hybrid Work Model * Schedule flexibility * Flat and transparent organizational structure * Buddy Program to help you with your integration during your first month * Flexible compensation package: Tax benefits with ticket restaurant, transportation and kindergarten, training programs. * We promote good physical and mental health, with a Health insurance, Fresh fruit in the office and the possibility of sharing the cost of bicycle transport or gyms. * Work in a dynamic, multidisciplinary and multicultural environment that will allow you to boost your professional career * To be part of a strong, international, friendly and motivated team, where you can progress both personal and professionally * The chance to be part of one of the most exciting and disruptive space projects in Europe