The English-language job board for Spain
92,000+ live jobsProduct Expert - Defense and Security Engineering
On-site in Madrid·Added today (last checked 27 Oct)
216 open roles
Our summary
- Work mode
- On-site, Madrid
- English
- Required
- 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
This job advert was originally written in Spanish.
Requirements
What we're looking for
We are looking for professionals with engineering training and a solid technological base.
- University degree in Engineering, Telecommunications, Computer Science, Electronics, Industrial, or related technical disciplines.
- Professional experience in security technologies, defense, telecommunications, critical systems, or advanced technological environments.
- Interest and/or experience in one or several of the following areas:
- 5G and advanced communications
- Drones and autonomous systems
- CUAS / Counter-UAS
- Technological security
- Biometrics
- Artificial Intelligence
- Sensors and surveillance systems
- Infrastructure protection
- Regulated and unregulated borders
- Integration of security and defense systems and technologies
- Ability to understand complex technological systems and work with different technologies and providers.
- Ability to perform testing, troubleshooting, integration, and validation of solutions.
- Professional English, both oral and written.
- Availability to travel nationally and internationally.
- Proactivity. Ability to work autonomously and in multidisciplinary teams.
- Customer orientation and good communication and presentation skills.
Nice to have
- Experience in Defense and Security projects.
- Experience in PoC, pilots, technical demonstrations, or deployments.
- Knowledge of telecommunications architectures and networks.
- Experience working with 5G, edge computing, IoT, or distributed systems.
- Knowledge or experience with drones, CUAS, and autonomous systems.
- Experience in systems integration and multi-technology solutions.
- Knowledge of AI, computer vision, video analytics, or biometrics.
- Experience working with public bodies, security forces and bodies, defense, airports, critical infrastructures, or other high-security environments.
- Experience working with manufacturers and technological partners.
- Ability to operate in international environments.
- Location: Madrid, with availability to travel nationally and internationally.
TECHNICAL AND PROFESSIONAL COMPETENCIES
- Specialized training in the Defense 5.0 environment, with a focus on Artificial Intelligence, Cybersecurity, unmanned systems (drones), and advanced technologies. Oriented towards the application of emerging technologies in security and defense environments, providing a cross-functional vision between technology, innovation, and operational needs.
- PMI I and PMI II Project Management
- Specialized training in project management and direction, based on methodologies and best practices from the PMI environment. Development of competencies in planning, monitoring, resource management, risks, costs, team coordination, and goal achievement, applicable to highly complex technological projects.
- Knowledge in GenAI
- Practical and specialized training in Generative Artificial Intelligence. Knowledge of the possibilities of AI for automation in systems.
- Drone Pilot and Aeronautical Training (AESA)
- Training as an unmanned aircraft systems (UAS/drones) pilot and instructor training. Knowledge of safe drone operation, aeronautical regulations, and UAS operation planning, including the ability to manage requests and documentation for aerial operations before AESA, as well as the preparation and processing of operational scenarios through SORA 2.5.
- Drive the adoption and deployment of advanced Defense and Security technologies, acting as a link between clients, manufacturers, and internal teams, ensuring the understanding, validation, and integration of innovative solutions that provide operational and technological value.
Languages
English: B2 level.
The role
Telefónica Defensa y Seguridad is the Telefónica Group company specialized in the design, development, implementation, and management of advanced technological solutions in the fields of defense and security. We contribute to the Group's purpose of being the best access route for citizens, companies, and institutions to digital technologies, bringing innovation closer to the protection of people, critical infrastructures, and essential assets. We accompany the Armed Forces, Security Forces and Bodies, public administrations, and organizations in strategic sectors with solutions adapted to their needs. We integrate technology, intelligence, and operational capacity to anticipate and respond to threats, reinforce operational continuity and resilience, and generate trust in high-demand environments www.telefonica.es
We are looking for hands-on people with an engineering mindset and a passion for technology. People who like to understand how things work, test new solutions, face technical problems, work with different teams, and then be able to explain a complex technology simply to a client.
The position combines engineering, product, innovation, and client contact, so we are looking for profiles that enjoy both the technical part and interaction with people. It is not necessary to master all the technologies in the portfolio. We especially value a solid technical base, learning capacity, and curiosity about new technologies.
What you'll do
- Joining a team specialized in advanced Defense and Security technologies.
- Participation in innovative projects with high technological impact.
- Exposure to a multidisciplinary portfolio that combines telecommunications, AI, biometrics, drones, CUAS, sensing, and security systems.
- Cross-functional work with Product, Engineering, client, and technological partner teams.
- National and international projects.
- Professional development opportunities in a growing technological environment.
- Continuous training and learning regarding new Defense and Security technologies and solutions.
- Possibility to participate in demonstrations, fairs, and national and international technological events.
Knowledge Area
Knowledge of clients from the General State Administration (AGE), particularly the Ministry of the Interior and the Ministry of Defense.
Knowledge of environments for conducting demonstrations and proofs of concept (PoC).
About Telefónica
Telefónica is one of the world's largest telecommunications companies, providing fixed and mobile connectivity, digital services, and technology solutions to consumers and businesses across Europe and Latin America. With over 100,000 employees and a strong presence in Spain, the UK, Germany, and Brazil, the company operates through brands such as Movistar, O2, and Vivo, and has expanded into areas like cybersecurity, cloud, IoT, and AI through its innovation units.
In Spain, Telefónica is headquartered in Madrid and is a major employer of tech talent, with a strong focus on cybersecurity, data, and AI. The company actively hires international professionals, offering roles in English and fostering a diverse, innovative culture. Its Spanish operations are central to its global strategy, making it a relevant option for internationals seeking to work in a large, established tech and telecom player in Spain.
- Industry
- Telecom
- Founded
- 1924
- Employees
- 100,000+
- Headquarters
- Madrid, Spain
- In Spain
- Madrid, Barcelona
Good to know if you are moving
- Telefónica's Spanish offices are largely based in Madrid and Barcelona, with a significant tech hub in the Distrito Telefónica complex in Madrid.
- The company frequently hires international tech talent and many roles are offered in English, making it accessible for non-Spanish speakers.
- Telefónica has a strong commitment to innovation, with dedicated units like gAIt and Wayra focusing on AI and startups.
- The company offers a comprehensive relocation package and support for international hires, including visa assistance.
- With a global presence and a large Spanish operation, Telefónica provides opportunities for internal mobility across countries and roles.
In their own words
Additional information
#WeAreDiverse #WePromoteEquality
We are convinced that diverse and inclusive teams are more innovative, transformative, and achieve better results. Therefore, we promote and guarantee the inclusion of all people regardless of gender, age, sexual orientation and identity, culture, disability, or any other condition.
We want to meet you! 😊
More jobs like this
or browse Mid-level·IBEX 35·Telecommunications & Connectivity·Spanish Brands·Community of Madrid·Telecom
