We are looking for a System / Solutions Architect – HW Solutions to join our team in Madrid, Spain.In this role, you will design, consult and deliver advanced hardware system solutions for Aerospace and Defense applications, including RADAR, satellite, and secure communications systems.Key Activities:- Design and develop complex hardware test solutions for R&D departments and customers.- Collaborate with global R&D, engineering, and technical teams to create and deliver high-performance, integrated test systems.- Engage directly with customers to define requirements, propose architectures, and ensure successful project execution.- Participate in technical discussions, system validation, and project delivery.Qualifications:Master’s degree (or equivalent) in one of the following fields:- Electronic Engineering- Electrical Engineering- Computer ScienceTechnical Skills:- Solid understanding of th following technologies and applications :- RADAR- Electromagnetic Spectrum Operations- Space and Satellite Communications- Secure Communications- Spectrum Monitoring and Signal Analysis- Experience with RF test systems and technologies.- Proven ability to design and implement complex test solutions.- Proficiency in Matlab, C#, C++, Python.- Familiarity with simulation tools and correlating simulation to measurement results.Soft Skills:- Fluent in English and Spanish (both required).- Excellent communication and interpersonal skills across hierarchies and cultures.- Confident presenter to both technical and non-technical audiences.- Willingness to travel domestically and internationally (multi-day trips, several times per month).- EU or UK passport required.Nice to Have:- Minimum 5 years in a technical, customer-facing role.- Experience in test and verification and/or design validation at a senior level.- Background in Test & Measurement is an advantage, but not mandatory.- Proven track record in Statement of Work (SoW)-based consultancy projects.Location: Madrid, Las Rozas, SpainLanguages: English & Spanish (fluency required)