Junior Mechanical Engineer - UAV Systems

Twentyfour Industries

We are an early-stage startup funded by leading European VCs with the mission to build advanced small Unmanned Systems to strengthen European sovereignty and security.

What We’re Looking For

We’re hiring a Junior Mechanical Engineer – Hands-On Innovator who loves turning ideas into real, working hardware. This is a practical, build-focused role for an early-career engineer who enjoys designing, prototyping, assembling, and iterating on mechanical systems—from UAV components to production-ready parts. You’ll blend solid engineering fundamentals with hands-on problem-solving and learn fast in a real-world environment.

The day-to-day

• Design mechanical components and assemblies for UAV platforms and related systems.
• Build, test, and iterate on prototypes using 3D printing and hands-on fabrication.
• Support the transition from prototype designs to production-ready parts.
• Assemble mechanical and electromechanical subsystems, including basic soldering work.
• Work closely with electronics, autonomy, and operations teams to solve practical integration challenges.
• Learn and apply DFM/DFA principles as designs mature toward manufacturing.
  
  

You should apply if you

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• Are a graduate or early-career engineer (0–2 years) with a bachelor’s or higher in Mechanical Engineering or a related field.
• Are curious, practical, and motivated to build, test, and improve real hardware.
• Are comfortable moving between CAD design and hands-on bench work.
• Enjoy learning by doing and iterating quickly based on real-world feedback.
• Are eligible to obtain a NATO security clearance.
  
  

Nice to haves

• Proficiency in SolidWorks.
• UAV piloting experience.
• Exposure to PX4 or other drone control stacks.
• Deeper knowledge of 3D printing (materials, optimization, troubleshooting).
• Experience with plastic injection molding and DFM/DFA principles.
  
  

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What We Offer

• Competitive salary and equity options.
• A hands-on role contributing directly to next-generation UAV platforms.
• A collaborative, ambitious, and engineering-driven startup environment.
• Flexible working conditions with remote work and relocation support for top candidates.
  
  

About Us

Twentyfour Industries is committed to building a fair, inclusive, and high-performance workplace where people from all backgrounds can contribute and thrive. Our team brings together individuals with different perspectives, experiences, and skills to shape the future of European security and technology.

All applicants will receive equal consideration for employment regardless of gender, age, disability, ethnic or social origin, religion or belief, sexual orientation, or any other status protected by applicable European or national law.

We particularly welcome applications from individuals who are underrepresented in the technology and defense sector, including women, people with disabilities, and those from diverse cultural backgrounds.

We aim to provide a respectful, supportive, and transparent recruitment process. If you require adjustments to take part in our hiring process, please let us know so we can accommodate your needs.

If you share our mission and are motivated to work on challenges with real-world impact, we look forward to your application.