Telefónica is one of the world's largest telecommunications providers, operating a vast network across Europe and Latin America. Headquartered in Madrid, the company provides a comprehensive suite of services including mobile and fixed connectivity, digital television, and advanced technology solutions such as cybersecurity, cloud computing, and IoT through its major brands like Movistar and O2.

As a Spanish multinational and a cornerstone of the IBEX 35, Telefónica is a primary destination for international professionals in Spain. The company maintains a massive corporate ecosystem that fosters innovation through its Telefónica Tech and Telefónica Global Technology divisions, offering a multicultural environment with significant opportunities for career progression in engineering, data science, and digital transformation.

Founded in 1924 as Compañía Telefónica Nacional de España (CTNE), it was originally a state-owned monopoly before being fully privatized in the 1990s. Since then, it has expanded aggressively into international markets, particularly in Latin America and Europe.

For international professionals

Telefónica is one of Spain's largest employers, providing high job stability and a structured corporate career path.
The company's global headquarters, 'Distrito Telefónica' in Madrid, is a massive campus featuring its own health centers, sports facilities, and diverse dining options.
They offer specialized 'Talentum' programs and internships that are highly accessible to international graduates and young professionals.
While Spanish is the primary language for local operations, English is frequently used within their global technology, cybersecurity, and strategy departments.
The company has a strong presence in multiple Spanish regions beyond Madrid, including major tech hubs in Barcelona and Logroño.

This job was published 5 months ago

TIS_Senior Defense and Security Engineer Madrid

Telefónica

This job was originally posted in Spanish and automatically translated to English. You'll most likely need Spanish to apply.

Job Description

At Telefonica Ingeniería de Seguridad, we are looking for a Senior Telecommunications Engineer with a technical-leader profile to participate in communications systems projects within the framework of defense projects.

The selected person will be responsible for technically leading the design, integration, configuration, and commissioning, ensuring correct coordination with suppliers and guaranteeing the quality and reliability of the deployed solutions.

Main Functions:

Lead an engineering team for:
- Systems design
- Supporting the team in equipment installation and configuration
- Diagnosing and resolving faults
- Planning and performing tests
- Documentation

Coordination with the Telefónica team to contribute to defining the technical product roadmap.
Coordination with suppliers for equipment integration.
Preparation of technical documentation
Verification of physical installations and commissioning of systems.
Execution and supervision of functional and performance tests.
Field technical support during tests, demos, and European meetings.

Requirements:

Degree in Telecommunications Engineering, Computer Science, or similar.
Knowledge in Defense and Security systems.
Regulations applicable to military projects: PECAL 2110, MIL-STD, etc.
Desirable: Five (5) years of experience in networks, radio communications, information technologies, cybersecurity, architecture design and/or validation of systems and requirements through testing. Experience in the defense sector is valued.
English B2
Communication skills and teamwork
Initiative, predisposition, and proactivity
Planning and organization
Professional responsibility.

#TISIGUALDAD

#TIS is committed to equal opportunities for women and men

View original advert (Spanish)

En Telefonica Ingeniería de Seguridad buscamos un/a Ingeniero/a de Telecomunicaciones Senior con perfil técnico-líder para participar en proyectos de sistemas de comunicaciones en el marco de proyectos de defensa.

La persona seleccionada será responsable de liderar técnicamente el diseño, integración, configuración y puesta en marcha asegurando la correcta coordinación con proveedores y garantizando la calidad y fiabilidad de las soluciones desplegadas.

Funciones principales:

Liderar un equipo de ingeniería para:
- Diseño de sistemas
- Apoyar al equipo en la instalación y configuración de equipos
- Diagnosticar y resolver fallos
- Planificar y realizar pruebas
- Documentar

Coordinación con el equipo de Telefónica para contribuir a definir el roadmap técnico de producto.
Coordinación con proveedores para la integración de equipos.
Elaboración de documentación técnica
Comprobación de instalaciones físicas y puesta en servicio de los sistemas.
Ejecución y supervisión de pruebas funcionales y de rendimiento.
Soporte técnico en campo durante pruebas, demos y reuniones europeas.

Requisitos:

Titulación en Ingeniería de Telecomunicaciones, Informática o similar.
Conocimiento en sistemas de Defensa y Seguridad.
Normativa aplicable a proyectos militares: PECAL 2110, MIL-STD, etc.
Deseable: Cinco (5) años de experiencia en redes, comunicaciones radio, tecnologías de la información, ciberseguridad, diseño de arquitectura y/o validación de sistemas y requisitos mediante pruebas. Valorable experiencia en el sector defensa.
Ingles B2
Habilidades comunicativas y trabajo en equipo
Iniciativa, predisposición y proactividad
Planificación y organización
Responsabilidad profesional.