**Location:** Madrid, MD, ES **Professional Profile:** Defense and Security **Required Experience:** More than 2 years of experience **Work Modality:** Hybrid At Indra Group, we protect what matters most. We lead the development of cutting-edge technological solutions that strengthen national and international security. Join our team and participate in innovative projects in the field of Defense! What will you do? ✅ Design antennas for radiofrequency and communications systems. ✅ Use simulation tools such as CST or HFSS for electromagnetic modeling. ✅ Perform calculations and analysis using Matlab or equivalent tools. ✅ Collaborate on mixed analog/digital design and compact RF circuits. ✅ Simulate linear and nonlinear RF components with ADS or AWR, and analog simulation with Tina, LTSpice, Orcad. ✅ Support the development of signal synthesis systems (VCOs, PLLs, Phase Noise, Tuning Speed). ✅ Operate test equipment: Spectrum Analyzer, Network Analyzer, Vector Signal Generator, Noise Figure Meter. ✅ Participate in the definition and validation of RF architectures for strategic projects. What are we looking for in you? Don’t worry if you don’t meet 100% of what we’re seeking. Go ahead—learn about our offer and let us discover what you can bring to us! Experience: More than 5 years in antenna and RF system design. Education: Bachelor’s or Master’s degree in Electronics, Telecommunications, or related field. Languages: English (advanced level, desirable for technical documentation). Essential Technical Skills: * Antenna design. * Simulation tools: CST or HFSS. * Matlab or equivalent. ✨ Valuable additional experience: * Mixed analog/digital design. * Compact RF circuit design. * RF simulation (ADS, AWR) and analog simulation (Tina, LTSpice, Orcad). * Programming in Matlab or similar. * Signal synthesis systems (VCOs, PLLs, Phase Noise). * Team management. Test Equipment: * Spectrum Analyzer. * Network Analyzer. * Vector Signal Generator. * Signal Generator. * Noise Figure Meter. What we offer you Stability and Future: Long-term projects at a leading Defense company with over 50,000 professionals. Innovative and High-Impact Projects: You’ll work with state-of-the-art technologies with national and international impact. Close and Transparent Environment: Direct communication and collaborative atmosphere. Personalized Career Plan: Boost your professional development. Continuous Training: Access to Open University and Udemy for Business (more than 6,000 courses). Exclusive Benefits: Discounts on gyms, leisure, dining, and more. Competitive Compensation and Flexible Benefits. What does our selection process look like? * Profile Review: We assess your experience and skills to determine if you match our requirements. * Initial Contact (5–10 min): If you receive a call from an unknown number, it’s our team! A brief conversation to get to know you and answer any questions. * Technical Interview: You’ll meet the team, who will explain the project and daily tasks. We’ll also explore your technical knowledge. Additionally, short psychological and English competency assessments may be conducted (if required). * Offer and Welcome: If everything goes well, you’ll join our team and begin this new stage together! * Estimated Process Duration: 1–2 weeks. Our Commitment We promote work environments where people are treated with respect and dignity, supporting staff’s professional development and guaranteeing equal opportunities in selection, training, and promotion. ✅ We offer a workplace free from any discrimination based on gender, age, disability, sexual orientation, gender identity or expression, religion, ethnicity, marital status, or any other personal or social circumstance. ✨ INDRA is a Top Employer 2025! Join a company certified as one of the best employers in Spain, thanks to our comprehensive HR management and the conditions we provide to our professionals.