




Job Summary: Indra Group is seeking a QKD Engineer with experience in Quantum Communications to join its European defense-related project team. Key Highlights: 1. Lead cutting-edge technological solutions for national and international security. 2. Work with state-of-the-art technologies in innovative projects. 3. Tailored career plan and continuous training. 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 European project team!** As part of our positioning as a leading company in the defense sector, we aim to reinforce our team with a QKD Engineer (Quantum Communications) for strategic defense-related projects. **What will you do?** * Design, implementation, and characterization of Quantum Key Distribution (QKD) systems. **What are we looking for in you?** Don’t worry if you don’t meet 100% of our requirements. Go ahead—explore our proposal and tell us what you can bring to the table! : * Engineer capable of designing, implementing, and characterizing Quantum Key Distribution (QKD) systems. * Specialization in Quantum Technologies, with a focus on Quantum Communications, including precision electronic and optical instrumentation. * The candidate must possess expertise in fundamental QKD pillars: * Prepare and Measure: Discrete and Continuous Variable Protocols * Entanglement\-based QKD: Protocols based on quantum entanglement. Hands\-on laboratory experimentation capability is also required: * Optical systems and photonics * Control electronics and RF **What we offer you** * **Stability and Future** **✨****:** Long-term projects at a leading defense company with **over 60\.000 professionals**, backed by financial security. * **Innovative and High-Impact Projects** : You will work with cutting-edge technologies, delivering impact both nationally and internationally. * **Close and Transparent Environment** : You’ll enjoy direct and fluid communication with managers and colleagues within a collaborative and open environment. * **Autonomy and Flexibility** : You’ll have the freedom to organize your work, with genuine work-life balance adapted to your pace. * **Career plan tailored to you** : Designed to drive your professional growth and development. * **Continuous training** **:** via Open University and Udemy for Business (over 6\.000 courses to specialize!). * **Exclusive wellness discounts** : Enjoy benefits at gyms, restaurants, shops, leisure activities, and more as an Indra employee. * **Competitive compensation** and **flexible compensation plans** aligned with your needs. **What does our selection process look like?** * Profile review : We evaluate your experience and skills to determine whether you match our requirements. * Initial contact (5\-10 min) : If you receive a call from an unknown number, it’s our team! It will be a brief conversation to get to know you and address 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, brief psychological and English competency assessments (if required) will be conducted. * Interview with Talent Acquisition team : We want you to learn more about our company—our values, career model, skills… so both you and our team can assess mutual fit. * Offer and onboarding : If everything goes well, you’ll join our team and begin this new chapter together! **Estimated process duration: 2 weeks.** *Our commitment is to foster workplaces where individuals are treated with respect and dignity, promoting professional development of staff and guaranteeing equal opportunities in recruitment, training, and promotion, offering a working environment 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 2026! Join a company certified as one of Spain’s best employers, thanks to our comprehensive HR management and the conditions we offer our professionals.


