← All jobs
AST SpaceMobile

HW Testing Engineer

Barcelona, Spain
Level
Mid

Not stated in the posting: salary, work type, visa.

Open. First seen 3 October 2026.

Apply on ast-science.com →

About the role

AST SpaceMobile's standard text

AST SpaceMobile is building the first and only global cellular broadband network in space to operate directly with standard, unmodified mobile devices based on our extensive IP and patent portfolio and designed for both commercial and government applications. Our engineers and space scientists are on a mission to eliminate the connectivity gaps faced by today’s five billion mobile subscribers and finally bring broadband to the billions who remain unconnected.

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.

Qualifications

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.

AST SpaceMobile's standard text

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.

What this role asks for

Particular to this role

PCB Design

Rare in AST SpaceMobile's other 176 open postings.

Standard for QA / testing roles

Test Automation

Common in QA / testing postings at any company.

71% of this description is written for the role. The rest is AST SpaceMobile's standard text, folded away below.

Read against AST SpaceMobile's other open postings on this site.

The team: Electrical Engineering HIRES STEADILY

This role is one of 14 open in Electrical Engineering. 2 were posted in the last 30 days and the oldest in February: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

PCB Design (6 of 14), Test Automation (4 of 14), Altium (3 of 14), Python (3 of 14), AutoCAD (2 of 14), CATIA (2 of 14), Embedded Systems (2 of 14)

OTHER ROLES ON THIS TEAM

From the team and dates on AST SpaceMobile's own job board.

Similar jobs

Is this your posting and you want it taken down? Email info@careerholo.com.