Job Summary: We are seeking a 5G Telecommunications Engineer to work on advanced technological projects in defense and critical communications. Key Highlights: 1. You will work with cutting-edge technologies on innovative projects. 2. You will enjoy a close-knit, transparent, and collaborative environment. 3. You will have autonomy and flexibility to organize your work. **Location:** Madrid, ES **Professional Profile:** Defense and Security (PyS) **Required Experience:** **Work Modality:** Hybrid Are you working with **5G networks**, and would you like to participate in advanced technological projects in **defense and critical communications**? We are looking for a **5G Telecommunications Engineer** to join our team in **Madrid**, working both in the **lab and in field deployments**. You will be part of a technical team involved in the **deployment, configuration, and validation of 5G networks**, including **standalone TN & NTN architecture, O-RAN, NB-IoT, and private 4G/5G networks**. You will also collaborate on **technical demos, customer milestones, and open-source software development** related to 5G. What will you do? * Deployment and configuration of **5G gNB and core equipment**. * Participation in **lab and field testing** of 5G solutions. * Implementation of **Network Slicing and QoS-based segmentation**. * Virtualization of 5G services via **NFV**. * Participation in **5G standalone TN & NTN** and **O-RAN** architectures. * Development of **open-source 5G software and solutions**. * Collaboration on **technical demos, testing, and customer milestones**. ‍ What are we looking for? * Bachelor’s or Master’s degree in **Telecommunications Engineering**. * **4–5 years of experience** in **5G networks and virtualization**. * Advanced knowledge of: + **Software-defined radio and SDN (Software Defined Networks)** + **Network Function Virtualization (NFV)** + **Private 4G/5G networks and radio communications** (Nokia or similar) * Experience with **communication, voice, and data protocols**, routing, and quality of service. * **High level of English** and experience in **customer interaction** (demos, milestones, presentations). * Desirable: * Experience in **SATCOM and satellite communication stations**. * Knowledge of **satellite communication terminals and solutions**. * Participation in **defense or security projects**. **Location:** Torrejón (Madrid) If you’re interested in learning more about the project and the team, **I’d be delighted to share the details!** **What we offer** * **Stability and Future** ✨ Long-term projects at a leading defense company with **over 50,000 professionals**, backed by strong financial security. * **Innovative and High-Impact Projects**: You’ll work with cutting-edge technologies, delivering impact both nationally and internationally. * **Close-Knit and Transparent Environment**: You’ll benefit from direct and fluid communication with managers and colleagues, within a collaborative and open atmosphere. * **Autonomy and Flexibility**: You’ll have the freedom to organize your work, with genuine work-life balance adapted to your pace. * **Personalized Career Plan**: Designed to accelerate your professional growth and development. * **Continuous Training**: Through Open University and Udemy for Business (over **6,000 courses** to help you specialize!). * **Exclusive Well-being Discounts**: Enjoy benefits at gyms, restaurants, stores, leisure venues, and much more as an Indra employee. * **Competitive Compensation** and **flexible compensation plans** tailored to your needs. **What does our selection process look like?** *I* * **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 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 assessments may be conducted (if required). * **Interview with Talent Acquisition Team** – We want you to get to know us better as a company: our values, career model, skills framework… so both you and our team can evaluate mutual fit. * **Offer and Welcome** – 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 people are treated with respect and dignity, promoting professional development and guaranteeing equal opportunities in recruitment, training, and promotion—ensuring a workplace free from 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 Spain’s best employers, thanks to our comprehensive HR management and the conditions we provide to our professionals.