RF & Antenna Technical Lead - Relocation Spain

¡We are looking for a highly experienced Senior RF & Antenna Systems Lead to join a multidisciplinary engineering team working on advanced radar and space systems. This role will lead the design, development, validation, and industrialization of phased array (AESA) antennas, contributing to cutting-edge programs in defense and satellite technologies.

Requirements

• Bachelor’s or Master’s degree in Telecommunications Engineering, Electronics, or a related field.
• Solid experience in RF antenna design and development, including phased array systems.
• Strong knowledge of electromagnetic simulation and RF design tools such as CST, HFSS, and ADS.
• Expertise in passive integration and RF technologies such as PCB design, waveguides, LTCC, thin-film, radomes, FSS, and feeding networks.
• Strong background in radar, communication systems, or integrated antenna platforms. Experience working under structured development and verification frameworks (e.g., ECSS or similar).
• Professional level of English, with the ability to work in international and multidisciplinary teams.
  
  

What will your responsibilities be?

• Lead end-to-end development of phased array antenna systems (from requirements to production)
• Drive design of AESA radar antennas across different frequency bands (X, S, etc.)
• Define system architecture and ensure integration with radar and communication systems
• Coordinate with cross-functional teams: mechanical, RF, FW/SW, manufacturing, and supply chain
• Develop and execute verification & validation plans (RF, environmental, thermal, mechanical)
• Oversee antenna measurements (anechoic chamber, near-field, far-field)
• Support industrialization processes, including manufacturing documentation and supplier coordination
• Contribute to ESA / ECSS-based projects and compliance frameworks
  
  

What we offer you? 

• Work in a multinational company recognized as one of the best companies to work for in 2025, according to Actualidad Económica and Forbes .
• Stable and innovative technological projects for leading national and international clients.
• Career plan: we offer an attractive professional career based on experience and personal potential within a continuously evolving company with solid growth.
• Free access to various training platforms, providing you with a wide multidisciplinary catalog.
• Flexible compensation.
• An equal, diverse company with great Corporate Social Responsibility.
• A positive, healthy, and cooperative work environment. Teamwork is the cornerstone of the company's project successes.
  
  

Have you heard of us?

With over 3.800 professionals in 20 corporate offices across Spain, Brussels, Latin America, and Asia, it generates quality employment and helps people grow in technical careers.

Grupo Oesía is a Spanish multinational company dedicated to dual-use digital and industrial engineering, developing and implementing projects worldwide.

At Grupo Oesía we believe in diversity and equal opportunities as drivers of innovation, and in inclusion as the foundation for growth. We foster an environment where everyone, without any distinction, can develop their talent and contribute to building a better future.

Inster–Grupo Oesía specializes in the development of dual-use technology for terrestrial, naval, aerial, and space satellite communications; mobility applications in both military and civilian environments; and high-capacity wireless access for telecommunications operators.