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Senior Mechanical Engineer

AST SpaceMobile · Barcelona, Spain

Posted Nov 9, 2026

Est. total comp~$102K–$161K

Apply on AST SpaceMobile's site ↗

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 Staff Senior Mechanical Engineer – Space Electronic Equipment to join our Satellite Mechanical Subsystem & Payload team, with a focus on the mechanical design of electronic equipment for space applications, including electronic units, boxes, and payload electronics. The successful candidate will contribute to design, analysis, specification, testing, and validation activities. The ideal candidate will be innovative, creative, and willing to challenge the status quo, while being capable of working both autonomously and as part of a team.

Key Responsibilities:

Lead the mechanical design and modelling of space electronic equipment, including housings, PCB mounting and stiffening, connectors and harness interfaces, thermal interfaces, shielding, and grounding provisions.

Define mechanical and thermal interfaces with the structure, thermal control, electrical, and RF teams; prepare preliminary designs including layouts, trade-offs, materials, processes, and testing requirements. …

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

Job inventory

Required 5 items

  • 6y

Education: Bachelor's degree in Mechanical Engineering or a related field

Experience: 6+ years of experience in mechanical design of electronic equipment for space applications or aerospace/defense

Skills and tools: Mechanical design, English, Autonomy

Preferred 4 items

Education: Master's degree

Skills and tools: CAD, GD&T, FEA

Also in the posting: Standard office environment

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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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About the pay figures (~): These are estimates. Yearly figures are estimated total comp ranges: the employer's posted pay range, or, with no posted pay, the median to 90th-percentile BLS wage for similar jobs, plus typical benefits and bonus, without stock. Hourly figures for internships and contract roles are posted rates or BLS hourly wage ranges. Figures outside the U.S. and for loosely matched titles are rough ballparks. How we estimate