Hardware Test Engineer (Java Embedded Systems)

Company: E-Space
Location: Saratoga
Posted on: February 19, 2026

Job Description:

Job Description Job Description Ready to make connectivity from space universally accessible, secure and actionable? Then you’ve come to the right place! E-Space is bridging Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services. We are building a highly-advanced low Earth orbit (LEO) space system that will fundamentally change the design, economics, manufacturing and service delivery associated with traditional satellite and terrestrial IoT systems. We’re intentional, we’re unapologetically curious and we’re 100% committed to innovate space-based communications and deliver actionable intelligence that will expand global economies, protect space and our planet and enhance our overall quality of life. We are seeking a Hardware Test Engineer with strong experience in Java-based hardware test automation, SPI/I2C protocol programming, and custom board testing. What you will be doing: Develop and maintain Java-based hardware test applications. Write tools interfacing with devices over SPI and I2C. Perform hardware validation, functional testing, and debugging. Execute board bring-up on custom PCB designs. Collaborate with firmware engineers to design test protocols. Use lab equipment including oscilloscopes, logic analyzers and waveform analyzers. Create documentation, test procedures, and reports. What you bring to this role: Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or related field Strong Java programming for test automation. SPI and I2C protocol programming experience. Understanding of C/C++ firmware interactions. Hands-on custom board testing experience. Ability to debug hardware signals and communication issues. Familiarity with microcontrollers such as ARM, STM32, PIC, or ESP32. USB/UART/CAN communication experience. Board rework and soldering skills. Firmware experience for test mode support. JavaFX or Swing UI experience. Bonus points for the following: Advanced knowledge of ATE and Advantest 93k Working knowledge on DFT techniques such as SCAN/MBIST and JTAG This is a full time, exempt position, based out of our Saratoga office. The target base pay for this position is $100,000 - $200,000 annually. The total compensation packaged will be determined by various factors such as your relevant job-related knowledge, skills, and experience. We are redefining how satellites are designed, manufactured and used—so we’re looking for candidates with passion, deep knowledge and direct experience on LEO satellite component development, design and in-orbit activities. If that’s your experience – then we’ll be immediately wow-ed. E-Space is not currently able to provide employment sponsorship for candidates who do not hold work authorization for the location of this role. Why E-Space is right for you: As a member of our team, you will play a crucial role in driving our success. Our team members have a strong sense of dedication and responsibility; this includes a strong commitment to our mission to create an entirely new suite of global capabilities to improve lives, business efficiencies and build a smarter planet. This means that there will be times when extra hours, including nights and weekends, may be needed to meet critical deadlines and mission goals. In return, we offer a dynamic work environment with opportunities for professional growth and development and the chance to make a meaningful impact in a high-growth industry. We want you to make the most of your journey at E-Space. That’s why we support and invest in the physical, emotional and financial well-being of our team members and their families. Some of what you can expect when working at E-Space: • An opportunity to really make a difference • Sustainability at our core • Fair and honest workplace • Innovative thinking is encouraged • Competitive salaries • Continuous learning and development • Health and wellness care options • Financial solutions for the future • Optional legal services (US only) • Paid holidays • Paid time off

Keywords: E-Space, Stockton , Hardware Test Engineer (Java Embedded Systems), Engineering , Saratoga, California