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Security Engineer Intern

On-site in Madrid·Added yesterday (last checked 29 Oct)

Grupo Oesia

123 open roles

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Our summary

Work mode: On-site, Madrid
Education: University degree

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Skills

Requirements

What we're looking for

Academic Background: engineering student, preferably in Computer, Industrial or Telecommunications, Aeronautics,Cybersecurity.
Solid knowledge in networks and systems.
Familiarity with communication protocols, security, and cryptography.

Nice to have

Ability to work in a team and learn quickly.
Innovative and proactive, with a focus on medium to long-term market and product.
Oral and written communication skills.
Enthusiasm and Motivation: interest in security and emerging technologies, desire to learn and grow professionally in the field of security with a product and market vision.

Pay & benefits

What you'll get

Projects with real technological impact.
Teams where sharing knowledge is part of the job.
Continuous professional development tailored to each role and individual.
An environment where engineering and people move forward together.

The role

Our projects become technology that protects, connects and drives strategic sectors forward: our sectors. At Grupo Oesía, we work to ensure that innovation has a 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 part of high-value projects for our clients.

What you'll do

Collaboration in preparing technical proposals for the area.
Helping out with market research to spot opportunities and trends.
Assisting in competitor analysis.
Supporting product documentation, like spec sheets, etc.
Helping prepare presentations for clients or internal development teams.
Collaborating in generating reports.

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

If you are motivated by new technological challenges and want to be part of projects that make a lasting impact, we would be delighted to meet you.

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 a team of more than 3,800 professionals across Spain, Brussels, Latin America and Asia.

Cipherbit - Grupo Oesía is the first Spanish brand fully dedicated to cybersecurity and the development of secure communications (Cifra), certified by the CCN and NATO.

We work alongside the Armed Forces, Public Administrations and critical infrastructure organisations, both in Spain and internationally, strengthening Europe's strategic autonomy in cyber defence.

With nearly 50 years of experience, we have developed 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 each of these projects possible.

We want you to reach your full potential. That is why we build professional environments based on equal opportunities, inclusion and recognition of each person's talent. We foster an environment where talent can learn, collaborate and continue to grow, contributing new ideas and developing its full potential. Because innovation happens 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 impact, we would love to meet you.

We Engineer It Together.

All open roles at Grupo Oesia