Junior Mechanical Engineer - Jig Design and Tooling

AST SpaceMobile; Barcelona; On-site; EUR 32,000 - 42,000; Full time

Job summary

AST SpaceMobile seeks a hands-on Junior Mechanical Engineer to design jigs and tooling for satellite manufacturing. You will create fixtures, workholding devices, and test tooling, supporting assembly and testing with suppliers and cross-functional teams.

The role emphasizes independent work, problem solving, and precise engineering documentation using Autodesk tools and PLM/PDM systems. A strong propulsion toward hands-on fabrication and 3D printing is valued.

Qualifications

• Bachelor- or master-level mechanical engineering education is required or preferred.
• Hands-on experience in jig, fixture, or tooling design is essential.
• Experience with space subsystem or payload applications is advantageous.
• Proficiency with CAD tools and documentation in PDM/PLM environments.

Responsibilities

• Develop mechanical support elements (jigs, fixtures, workholding, handling, test tooling) from concept to CAD drawings.
• Prepare and maintain technical documentation within PDM/PLM systems.
• Perform workshop activities including basic manual tasks and 3D printing.
• Support assembly and integration of mechanical assemblies.
• Coordinate with suppliers for machining services and procurement of components.
• Collaborate with AIT technicians and vendors to support manufacturing/testing.

Skills

Jig design

Mechanical design

3D printing

Autodesk Inventor

GD&T

Independent work

Technical communication

Education

Bachelor's degree in Mechanical Engineering

Master's degree or higher preferred

Tools

Autodesk Inventor

Autodesk Vault

Autodesk Fusion

3D Printing equipment

Job description

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 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.
• Collaborate with AIT technicians, workshop personnel, and external vendors to support manufacturing and testing activities.

Qualifications

Education:

• Bachelor's Degree in Mechanical Engineering or a related technical field required.
• Master's Degree or higher qualification preferred.

Experience:

• A minimum of 1-2 years of hands-on experience in mechanical design.
• Experience in jig, fixture, or tooling design is highly preferred.
• Experience with space subsystem or payload applications is considered an advantage.

Preferred Qualifications:

• Experience using Autodesk Inventor or similar CAD software.
• Familiarity with PDM and PLM systems, particularly Autodesk Vault and Autodesk Fusion.
• Knowledge of machining processes and workshop practices.
• Understanding of Geometric Dimensioning and Tolerancing (GD&T).
• Experience with 3D printing technologies.
• Exposure to aerospace, satellite, or high-precision manufacturing environments.

Soft Skills:

• Strong technical communication skills with the ability to understand and translate stakeholder requirements.
• Ability to work independently and manage tasks autonomously.
• Resourceful, inventive, and proactive problem-solving mindset.
• Strong attention to detail and commitment to quality.
• Careful and responsible when working with sensitive and delicate equipment.
• Eagerness to learn, develop new skills, and grow within the organization.
• Ability to collaborate effectively with cross-functional teams and external suppliers.

Technology Stack:

• Autodesk Inventor (preferred CAD software)
• Autodesk Vault (PDM)
• Autodesk Fusion (PLM)
• 3D Printing equipment and software
• Engineering drawing and documentation tools

Physical Requirements

• Ability to work in a workshop and manufacturing environment.
• Ability to work in a standard office environment and use a computer for extended periods.
• Ability to safely handle mechanical parts, tools, fixtures, and delicate hardware.
• Ability to perform hands-on assembly and testing support activities as required.
• Occasionally lift and move engineering materials, tools, and equipment in accordance with safety guidelines.

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.