Mechanical Engineer (Defense)

TL;DR

Mechanical Engineer (Defense): Designing and building internal lab fixtures, jigs, rigs, and bench structures for autonomous defense systems with an accent on precision, repeatability, and fast in-house fabrication. Focus on integrating electronics and instrumentation into mechanical assemblies, managing rapid prototyping workflows, and establishing modular fixture standards to accelerate product development.

Company

hirify.global is a next-generation defense prime building autonomous and scalable defense systems for allied forces.

What you will do

• Design fixtures, jigs, enclosures, and bench structures in SolidWorks with full integration of electronics and instrumentation.
• Develop clamping, alignment, and actuation mechanisms for repeatable, ergonomic positioning of prototypes.
• Build fixtures rapidly using 3D printing, CNC, and aluminium framing, iterating based on hands-on validation.
• Validate fixture repeatability, durability, and operator ergonomics, utilizing basic FEA and thermal/CFD analysis.
• Manage quick-turn machining and printing suppliers while driving procurement with the Supply Chain team.
• Define and maintain a modular, reusable fixture-mechanics standard across all product teams.

Requirements

• Location: Must be based in Paris (On-site role).
• Engineering degree in Mechanical Engineering, Mechatronics, or equivalent.
• Proven experience designing lab or development fixtures, jigs, or rigs.
• Proficiency in SolidWorks, including complex assembly modelling and 2D drawings with GD&T.
• Hands-on experience with rapid prototyping and in-house fabrication techniques.
• Ability to integrate electronics and instrumentation into fixtures with reliable measurement access.

Nice to have

• Experience with mechanism and actuation design such as clamping and pneumatics.
• Basic FEA and thermal/CFD skills to validate designs.

Culture & Benefits

• Work in a high-impact, demanding environment focused on autonomous defense technology.
• Thrive in a small, autonomous team with high ownership and minimal bureaucracy.
• Opportunity to work at the intersection of mechanics, electronics, and hardware development.