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Senior Communications Systems Expert (SDR)

On-site in Barcelona·Added 21 days ago (last checked 8 Oct)

Indra

486 open roles

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Overview

Work mode: On-site, Barcelona
English: Required
Experience: 10+ years
Education: University degree
Benefits: Flexible pay plan

Visa options

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Skills

This job advert was originally written in Spanish.

Requirements

What we're looking for

🎯 What are we looking for?

Don't worry if you don't meet 100% of the requirements. We encourage you to apply and tell us what you can contribute! 🚀

✅ Degree in Telecommunications Engineering or similar.

✅ Over 10 years of experience in communications systems.

✅ Expert knowledge of radio communications, SDR, waveforms, and data links.

✅ Experience in defining the architecture of complex systems.

✅ Experience in managing system requirements and documentation.

✅ Knowledge of wireless communications protocols and the OSI model.

✅ Experience with MBSE tools (DOORS, Enterprise Architect, Windchill, etc.).

✅ Advanced level of English.

Pay & benefits

What you'll get

Stability and Future 🏢✨: Long-term projects in a leading Defense company with more than 50,000 professionals, offering financial stability.
Innovative and High-Impact Projects 🚀: You will work with cutting-edge technologies, with an impact both nationally and internationally.
Close and Transparent Environment 🤝: You will enjoy direct and fluid communication with managers and colleagues, in a collaborative and open environment.
Autonomy and Flexibility ⏳: You will have the freedom to organize your work, with real work-life balance adapted to your pace.
Career Plan Tailored to You 📈: Designed to boost your professional growth and development.
Continuous Training 📚: through Open University and Udemy for Business (more than 6,000 courses for you to specialize!).
Exclusive Discounts for Your Well-being 🎁: Enjoy advantages at gyms, restaurants, stores, leisure, and much more as an Indra employee.
Competitive compensation 💰 and flexible benefit plans 💸📊 tailored to your needs.

The role

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 of European projects!

In our position as a leading company in the defense sector, we want to strengthen our team with a Senior Communications Systems Expert (SDR) for strategic projects in the space domain.

What you'll do

💡 What will you do?

Define the architecture of radio communications systems based on SDR.
Lead the definition of technical solutions in complex communications projects.
Oversee the preparation of system requirements and technical documentation (SRS, SSDD, etc.).
Evaluate and select technologies, standards, and architectures (SCA, SOSA, MOSA).
Define the architecture of communications equipment (radios, modems, data links).
Ensure overall technical consistency throughout the system's lifecycle.
Advise development teams (DSP, FPGA, software) on technical implementation.
Participate in strategic decisions and technical client relations.
Apply MBSE methodologies for system modeling and traceability.
Act as the technical reference within the team/project.

Hiring process

2 steps2 interviews1–2 weeks in all

Profile review
First contact
With recruitment team · Phone call · 5–10 min
A short call to get to know you and answer your questions.
Technical interview
With the team
A meeting with the team, who explain the project and day-to-day tasks and explore your technical knowledge; it may include short aptitude and English tests.
Offer and welcome

The technical interview may include short psychological aptitude and English tests if needed.
The first call may come from an unknown number.

Hiring process

🕓 What does our selection process look like?

Profile Review 🔍: We evaluate your experience and skills to determine if you fit what we are looking for.
First Contact (5-10 min) 📞: If you receive a call from an unknown number, it's our team! It will be a quick conversation to get to know you and answer any questions.
Technical Interview 🤝: You will meet with the team, who will explain the project and daily tasks. We will also explore your technical knowledge. Additionally, we will conduct brief tests on psychological competencies and English (if necessary).
Interview with the Talent Acquisition Team 🤝: We want you to get to know us better as a company: our values, career model, skills... so that both you and the team can assess if there is a match.
Offer and Welcome 🎉: If everything goes well, you will join our team and start this new stage together!

Estimated Process Duration: 2 weeks.

About Indra

Indra is a global technology and consulting company headquartered in Madrid, Spain, and a leader in IT and defense systems. It provides advanced solutions in air traffic management, defense electronics, cybersecurity, and digital transformation for clients worldwide. With a workforce of over 50,000 employees, Indra operates in more than 140 countries, making it one of Europe's largest defense and technology firms.

In Spain, Indra has a strong presence with major offices in Madrid, Alcobendas, and other cities, and it is a key player in the national defense and aerospace sectors. The company offers a wide range of roles for international professionals, from engineering and cybersecurity to project management and software development. Indra's work culture emphasizes innovation and technical excellence, and it actively recruits international talent, providing opportunities to work on cutting-edge projects in defense, space, and digital transformation.

Industry: IT and Defense
Founded: 1993
Employees: 50,000+
Headquarters: Madrid, Spain
In Spain: Madrid, Barcelona, Alcobendas
Website: indracompany.com

Good to know if you are moving

Indra is a major defense contractor, offering opportunities to work on advanced defense systems like SCAPA and NGWS.
The company has a strong focus on innovation, with significant investment in R&D and technology development.
Indra provides hybrid and remote work options for many roles, offering flexibility for international hires.
With offices in Madrid and Barcelona, Indra offers a chance to live in Spain's two largest cities.
Indra is a global leader in air traffic management, with its systems used in over 100 countries.

In their own words

Additional information

Our commitment is to promote work environments where people are treated with respect and dignity, fostering the professional development of our staff and ensuring equal opportunities in their selection, training, and promotion, offering a work 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 company! Join a company certified as one of the best employers in Spain, thanks to our comprehensive HR management and the conditions we offer our professionals.

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