HW Testing Engineer

Barcelona, Spain Aerospace Full-time Posted Sep 10, 2026
Apply on AST SpaceMobile (opens in a new tab) Sourced via ast-science.com · Posted 2026-09-10

About this role

AST SpaceMobile is hiring a HW Testing Engineer, full-time, on-site in Barcelona, Spain, in the Aerospace sector.

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.

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.

Description from AST SpaceMobile's official posting. Always confirm details on the company careers page.

Apply on AST SpaceMobile Applications go directly to AST SpaceMobile. Curated by Larry Sherwood Jr.

About AST SpaceMobile

AST SpaceMobile

Company in the mobility sector tracked nightly on the Mobility Jobs board.

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Larry Sherwood Jr.

About Larry Sherwood Jr.

Talent Acquisition Leader specializing in mobility, EV, and frontier tech. 1,000+ hires across roles ranging from production technicians to VPs, including 48 hires for the AFEELA U.S. launch at Sony Honda Mobility (98% offer acceptance, $1.5M+ agency savings). SHRM-CP certified. Build recruiting functions from scratch, no agencies.

SONY HONDA MOBILITYFISKERSHRM-CP1,000+ HIRES

Currently open to senior TA leadership roles in the United States. larrysherwoodjr.com · Resume (PDF)

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Curated by Larry Sherwood Jr. on the free Mobility Jobs board. Pulled nightly from company applicant tracking systems. Apply directly on the source link above to be considered.