Location: Madrid, MD, ES Profile: Defence and Security Required experience: More than 2 years of experience Working mode: 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 take part in innovative projects in the Defense sector! What will you do? ✅ Design waveforms and data links (Layers 1 and 2\) for tactical and strategic communication systems. ✅ Implement digital signal processing techniques: modulation, channel coding, synchronization, etc. ✅ Develop models and simulations in Matlab/Simulink to validate designs. ✅ Participate in hardware implementation (FPGA, DSP and/or microcontrollers) using VHDL. ✅ Collaborate in system integration and testing in real environments. ✅ Contribute to architecture definition and performance optimization in RFSoC/MPSoC solutions. ✅ Work closely with other technical teams to ensure quality and compliance with project requirements. What are we looking for? Don’t worry if you don’t meet 100% of the requirements. Apply and let’s discover what you can bring to the team! Degree in Telecommunications Engineering or similar. Minimum 3 years of experience as a Communications Engineer. Experience in waveform and/or data link design (Layers 1 and 2\). Knowledge of digital signal processing (modulation, coding, etc.). Proficiency in Matlab/Simulink and VHDL. Experience with digital hardware (FPGA, DSP and/or microcontrollers). ✨ Valuable: experience in C/C\+\+ and RFSoC/MPSoC architectures. What we offer Stability and Future: Long\-term projects in a leading Defense company with over 50,000 professionals. Innovative and High\-Impact Projects: Work with cutting\-edge technologies with national and international impact. Close and Transparent Environment: Direct communication and collaborative atmosphere. Career plan tailored to you: Boost your professional growth. Continuous training: Access to Open University and Udemy for Business (over 6,000 courses). Exclusive benefits: Discounts on gyms, leisure, restaurants, and more. Competitive salary and flexible compensation plans. Our selection process * Profile review: We evaluate your experience and skills to see if you match what we’re looking for. * First contact (5\-10 min): If you get a call from an unknown number, it’s us! A quick chat to get to know you and answer any questions. * Technical interview: Meet the team, learn about the project and daily tasks. We’ll also explore your technical knowledge and conduct short psychological and English tests (if needed). * Interview with Talent Attraction team: Get to know us better—our values, career model, skills—so both sides can assess if there’s a match. * Offer and welcome: If everything goes well, you’ll join our team and start this new journey together! * Estimated process time: 2 weeks. Our commitment We promote a respectful and dignified work environment, ensuring professional development and equal opportunities in recruitment, 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 excellent conditions for our professionals.