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On-site in Madrid·Added yesterday (last checked 27 Oct)
111 open roles
Our summary
- Work mode
- On-site, Madrid
- Experience
- 5+ years
- Education
- University degree



Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
Nice to have
Requirements
What we're looking for
We are looking for an engineer with more than five years of experience in the integration, prototyping, and validation of complex technological systems. The successful candidate will participate in the assembly, commissioning, and testing of optomechanical system prototypes. We are seeking a versatile, hands-on, and solution-oriented candidate capable of understanding the entire system, collaborating with different disciplines, and diagnosing real-world integration problems.
- Bachelor's degree in engineering or a related technical field.
- More than five years of experience in integration, testing, or prototyping.
- Experience solving problems related to prototypes and real-world systems.Functional knowledge of electronics, mechanics, optics, and software.
- Proficiency with laboratory instrumentation and diagnostic tools.
- Analytical skills, ability to work independently, and a hands-on approach.
Nice to have
The following will be considered a plus:
- Experience with UAVs, robotics, optronics, or mechatronic systems.
- Knowledge of communications, data acquisition, and test automation.
- Programming or scripting applied to testing and diagnostics.
- Experience in rapid prototyping, 3D printing, or tooling design.
Pay & benefits
What you'll get
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.
The role
[Integration and Test Engineer] - 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.
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 you'll do
- Integrate optical, mechanical, electronic, and software components into functional prototypes.
- Set up and run proof-of-concept tests.
- Define and execute functional, integration, and performance tests.
- Diagnose problems and propose solutions.
- Document configurations, procedures, results, and incidents.
- Participate in laboratory and field tests, as well as technical demonstrations.
About Grupo Oesia
Grupo Oesía is a Spanish multinational technology company dedicated to dual-use engineering, developing products and solutions for sectors such as aerospace, defense, cybersecurity, and digital transformation. Founded nearly 50 years ago, it operates in 42 countries across four continents and works through five brands: Oesía Networks, Tecnobit, Cipherbit, UAV Navigation, and Inster. Their core engineering focus spans optronics, tactical and secure communications, satellite communications, simulation, avionics, and space systems.
The company's activities in Spain include a significant engineering and technology presence, with roles spanning AI software, hardware and RF engineering, cybersecurity, project management, and consulting. Their roles highlight a strong focus on defense, space, and critical systems, with explicit opportunities for international professionals, including relocation to Spain. While Spain is a key operational hub, the company's global footprint across 42 countries underscores its international scope. Culture is rooted in innovation and contributing to Spain's technological sovereignty, often making roles attractive to engineering and tech professionals looking for impact in defense and space sectors.
- Industry
- Defence Electronics
- Employees
- Unknown
- Headquarters
- Madrid, Spain
- In Spain
- Madrid
Good to know if you are moving
- Roles with 'Relocation to Spain' in the title suggest the company actively recruits international hires.
- The group is a multinational tech company with projects in 42 countries, providing exposure to international environments.
- Spain is a central hub with roles across Madrid and possibly other locations, offering a gateway to working in Spain.
- Work focuses on defense, space, aerospace, cyber, and satellite communications sectors—high-specialization areas.
- As a 100% privately held Spanish company, it emphasizes sovereignty and national technology development for Spain.
In their own words
About the company & team
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 Tecnobit-Grupo Oesía we design, develop, manufacture and maintain technology that is already in operation: intelligent imaging systems, secure tactical communications and simulation centres. A clear example of how the technology we create here delivers real-world impact.
We operate from our technology centres across Castilla-La Mancha, Andalusia, Galicia, Valencia and Madrid: innovation hubs that contribute key capabilities to national sovereignty and Europe's strategic autonomy.
Nearly 50 years of experience have led us to develop products and services that already benefit millions of people across healthcare, security and defence, space, telecommunications, finance, logistics and the agri-food sector. But what truly sets us apart are the people who make every one of these projects possible.
We want you to reach your full potential. That is why we create professional environments based on equal opportunities, inclusion and recognition of each person's talent. We foster an environment where people can learn, collaborate and continue to grow, contributing new ideas and developing their full potential. Because innovation is born when different perspectives work towards a shared purpose.
If you are looking for a place to develop your career, take on new challenges and be part of projects with an impact, we would be delighted to meet you.
Engineering the Future, Together.
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