HW Testing Engineer
About the role
AST SpaceMobile and our global partners are building the first and only space-based cellular broadband network to be accessible by standard smartphones. Called SpaceMobile, this ultra-powerful network is being designed to provide connectivity at 4G/5G speeds everywhere on the planet – on land, at sea and in flight.
Position Overview
We are seeking a Junior Electronics Test & Hardware Engineer to support the design, development, validation, and integration of electronic test equipment and hardware systems. The role will contribute to the development and production of advanced satellite systems by ensuring reliable testing, verification, and qualification of electronic products and assemblies.
Key Responsibilities
· Design and develop electronic hardware for test equipment, validation activities, and testing systems. · Design, build, and integrate Acceptance and Qualification Racks (RACs) and test benches. · Create, update, and maintain technical documentation and design files. · Develop test procedures and support test automation activities. · Assemble, wire, and integrate electronic systems and test equipment. · Execute hardware validation, verification, and functional testing activities. · Diagnose, analyze, and resolve issues detected during integration and testing phases. · Analyze test results and prepare technical reports. · Collaborate with engineering and production teams to support industrialization and deployment of new solutions. · Act as technical liaison with PCB manufacturing and assembly suppliers. · Identify improvement opportunities and propose technical solutions to optimize products and processes.
Education
Bachelor's or Master's Degree in Electronics Engineering, Telecommunications Engineering, Industrial Engineering (Electronics specialization), Automation & Robotics Engineering, or a related field.
Experience
A minimum of 2 years of experience in electronic design, hardware validation, testing, or related engineering positions.
Preferred Qualifications
· Experience designing and developing PCBs. · Experience with test rack, test bench, or similar test system development. · Experience working with PCB manufacturing and assembly suppliers. · Experience with test automation and programming for validation activities.
Soft Skills
· Strong problem-solving and troubleshooting skills. · Hands-on approach with the ability to work effectively in laboratory and engineering environments. · Strong analytical skills and attention to detail. · Ability to collaborate effectively with cross-functional teams. · Good technical communication and documentation skills.
Technology Stack
· Electronic hardware design tools. · PCB design and development. · Test automation tools and programming environments. · Laboratory instrumentation (oscilloscopes, multimeters, power supplies, analyzers, and measurement equipment). · Electronic schematics and technical documentation. · Electronic integration, validation, and testing systems.
Physical Requirements
· Ability to work in both office and laboratory environments. · Ability to use a computer and laboratory equipment for extended periods. · Ability to assemble, wire, and integrate electronic hardware and test systems. · Ability to occasionally handle test equipment and electronic components.
This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands .
AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Copied from the listing AST SpaceMobile published, verified 29 Oct 2026.
The application
Your details, then 8 questions.
- 1.Are you at least 18 years of age?Yes or no
- 2.Are you legally authorized to work in Spain?Yes or no
- 3.Will you now or in the future require employment visa sponsorship?Yes or no
- 4.Do you meet the language requirements for this position (fluent in written and verbal English)?Yes or no
- 5.Do you live near or are you willing to relocate to an area central to enter location? Are you open to relocation?Yes or no
- 6.What are your salary expectations?Short answer
- 7.Earliest Start DateShort answer
- 8.I certify that the facts set forth in this Application for Employment are true and complete to the best of my knowledge. I understand that if I am employed, false statements, omissions or misrepresentations may result in my dismissal.Yes or no
Taken from the application form AST SpaceMobile runs, verified 29 Oct 2026.
About AST SpaceMobile
BlueBird satellites with broadband directly to standard smartphones.
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