Aerospace Engineering | Precision at Every Level | Join the ELLEON Collective

Are you a Mechanical Engineer with a passion for aerospace and a drive to work on technically demanding programmes? Do you thrive in environments where precision, innovation, and cross-functional collaboration define the standard?

At ELLEON, we are looking for experienced Mechanical Engineers to work on complex aerospace design, development, and integration projects in Madrid, one of Europe's most active aerospace hubs.

Why Join ELLEON?

At ELLEON, we are redefining engineering consulting. We are not just a service provider, we are a collective of top-tier engineers, dedicated to solving the most complex technical challenges in the industry. Through our ELLEON Collective, you will be part of a dynamic network of engineers, have access to exclusive industry events, and benefit from our Learning & Development program, which includes certified coaching in leadership and negotiation.

We are also committed to Women in Engineering and working parents, promoting flexible career models to ensure that everyone has the opportunity to thrive in consulting.

Your Role

As a Mechanical Engineer at ELLEON, you will be embedded in aerospace programmes in Madrid: designing, developing, and optimising structural and mechanical systems for commercial or defence aircraft. You will bring rigour, precision, and hands-on expertise to every phase of the product lifecycle.

Your Key Responsibilities

- Design and develop mechanical components and structural assemblies for aerospace platforms, from concept to detailed definition
- Use CAD tools (Siemens NX, CATIA, Creo, or equivalent) to produce and maintain precise 3D models and technical drawings
- Work with composite and metallic materials,



selecting the right technology based on functional and manufacturing requirements
- Contribute to structural analyses, tolerance studies, and interface compatibility with adjacent systems
- Validate designs through prototyping, testing, and iterative refinement
- Collaborate with manufacturing, quality, and certification teams to ensure the feasibility and airworthiness of proposed solutions
- Produce and maintain technical documentation in line with applicable aerospace standards
- Drive continuous improvement across existing products and processes

Who You Are

- Master's degree in Mechanical Engineering, Aeronautical Engineering, or a related field
- 5 years of experience in mechanical design within the aerospace industry
- Proficient in CAD tools: CATIA and/or Siemens NX strongly preferred
- Experienced with composite and metallic materials in an aerospace context
- Experience on Airbus programmes (A320, A330, A350, A400M) is a strong asset
- Fluent in English; Spanish native or bilingual

What We Offer

- Part of the ELLEON Collective: a selective network of engineers solving the most exciting challenges
- Learning & Development: access to certified leadership & negotiation coaching
- Women in Engineering and Family Friendly Initiatives — versátil career models & diversity support
- Continuous learning: dedicated budget for certifications & professional development
- Well-being & Benefits :competitive salary, pension, wellness allowance, and more

Join Us & Make an Impact

We are hiring now! If you're looking for a place where your expertise matters, your ideas shape the future, and your career is truly valued, then ELLEON is for you.

Apply today! We review applications continuously. At ELLEON, we celebrate diversity and believe in equal opportunities for all. We encourage candidates from all backgrounds to apply

📌 Mechanical Engineer (Madrid)
🏢 ELLEON
📍 Madrid