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Junior Mechanical Engineer - Jig Design and Tooling

AST SpaceMobile · Barcelona, Spain

Posted Oct 22, 2026

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From the posting

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 Mechanical Engineer – Jig Design and Tooling Support to join our satellite mechanical team. This role focuses on the development of jigs, fixtures, workholding devices, handling equipment, and test tooling used in the manufacturing, assembly, integration, and testing of satellite hardware. The successful candidate will be a hands-on, resourceful, and inventive engineer who can collaborate effectively with technicians, workshops, and suppliers while working independently on assigned projects.

Key Responsibilities:

Develop mechanical support elements including jigs, fixtures, workholding, handling, and test tooling from concept through CAD design, manufacturing drawings, and fabrication.

Prepare and maintain technical documentation within PDM and PLM systems.

Perform workshop activities, including basic manual tasks and 3D printing.

Support the assembly and integration of mechanical assemblies.

Coordinate with suppliers for machining services and procurement of mechanical components and materials. …

Excerpt from AST SpaceMobile's public job board. Read the full posting.

About this listing. Pulled automatically from AST SpaceMobile's public job board and refreshed daily; closed roles are removed. Mars Mining Co. is not the employer, does not take applications and does not screen candidates. Field and level labels come from the job title and can be wrong.

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