[Senior Mechanical Design Engineer - Integral opportunity] – Grupo Oesía

Our projects become technology that protects, connects and drives strategic sectors: our own. At Grupo Oesía, we work to ensure innovation delivers real impact, and we are looking for people who want to be part of that challenge.

WHAT WILL YOUR MISSION BE?

You will be part of a multidisciplinary team where you will design, develop and integrate technological solutions that become an essential part of high-value projects for our customers.

WHAT WILL YOU DO IN YOUR DAY-TO-DAY ROLE?

- Mechanical design of electronic equipment using SolidWorks, including 3D modelling, assembly design and manufacturing drawings.
- Development and preparation of technical documentation associated with the design.
- Performing and monitoring structural analyses using Ansys or equivalent tools.
- Participation in studies and thermal simulations using FloTHERM or similar tools.
- Selection of materials, machining processes, surface treatments and manufacturing processes suitable for each design.
- Definition and monitoring of mechanical and thermal requirements.
- Definition, monitoring and validation of environmental and mechanical tests.
- Support during the manufacturing, integration and validation phases of the equipment.
- Collaboration with electronics, systems and production teams, as well as other engineering disciplines.

WHAT ARE WE LOOKING FOR?
- University degree at Bachelor’s or Master’s level in Mechanical Engineering, Aerospace Engineering or a related field.
- +5 years of experience in mechanical design of electronic equipment, avionics or high-reliability systems.




- Proficiency in SolidWorks for 3D modelling, assembly design and generation of manufacturing drawings.
- Experience in preparing technical documentation and manufacturing drawings.
- Knowledge of Ansys, FloTHERM or similar tools.
- Knowledge of materials, machining processes, surface treatments and manufacturing processes.
- Experience in the definition, monitoring and validation of environmental and mechanical tests.
- Strong analytical and problem-solving skills.
- Technical English proficiency.

Highly valued: Knowledge of CATIA.

Experience in the design of avionics and embedded electronic equipment.

Knowledge of aeronautical and military standards such as DO-160 and MIL-STD-810.

Experience with ARINC 600, VPX equipment or similar architectures.

Specific knowledge of thermal design and thermal management of electronic equipment.

What will you find at Grupo Oesía?

- Projects with real technological impact.
- Teams where sharing knowledge is part of everyday work.
- Continuous professional development tailored to each profile and individual.
- An environment where engineering and people grow together.

If you are motivated by tackling new technological challenges and being part of projects that leave a lasting impact,



we would be delighted to meet you.

ABOUT GRUPO OESÍA

Build your career where technology has a purpose. At Grupo Oesía, we develop dual-use digital and industrial engineering projects in strategic sectors, strengthening key capabilities for Spain and Europe through our technology centres and alongside a team of more than 3,800 professionals across Spain, Brussels, Latin America and Asia.

At Oesía Networks-Grupo Oesía, we develop technology with a clear commitment: building a future where innovation responds to the challenges faced by both people and the planet. This is how we contribute to creating a better, more efficient, secure and sustainable world.

Nearly 50 years of experience have enabled us to develop products and services that already benefit millions of people in healthcare, security and defence, space, telecommunications, finance, logistics and the agri-food sector.

But what truly sets us apart are the people who make each of those projects possible.

We want you to develop your full potential. That is why we build professional environments based on equal opportunities, inclusion and the recognition of every individual’s talent.

We foster an environment where talent can learn, collaborate and continue growing, contributing new ideas and reaching its full potential. Because innovation thrives when different perspectives work towards a shared purpose.

If you are looking for a place to grow your career, take on new challenges and be part of impactful projects, we would love to meet you.

Engineering the Future, Together.

📌 Senior Mechanical Design Engineer - Global opportunity (Rivas-Vaciamadrid)
🏢 Oesia Networks S L
📍 Rivas-Vaciamadrid