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Senior Interoperability Engineer | CyberDefense

Hybrid in Barcelona·Added 12 days ago (last checked 22 Oct)

Indra

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Our summary

Work mode: Hybrid, Barcelona
English: Required
Experience: 4+ years
Education: University degree

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Skills

This job advert was originally written in Spanish.

Requirements

What we're looking for

University degree in Computer Engineering, Telecommunications Engineering, Systems Engineering, or similar.
Minimum of 4 years of experience in technical interoperability projects in defense, intelligence, OT, or critical infrastructure environments.
Knowledge of interoperability modeling, secure communication protocols, and interface management between systems.
Experience applying military interoperability standards and regulations.
Ability to prepare technical documentation, interoperability diagrams, and compatibility matrices.
B1 English level and the possibility of obtaining or maintaining a "Reservado" grade Personal Security Clearance at the national level.

Nice to have

Don't worry if you don't meet 100% of what we're looking for. Go ahead, get to know our proposal, and tell us what you can bring!

Pay & benefits

What you'll get

Innovative and high-impact projects: You will work with cutting-edge technologies, with an impact at both national and international levels.
A career plan adapted to you: Designed to boost your professional growth and development.
Autonomy and flexibility: You will have the freedom to organize your work, with real work-life balance adapted to your pace. Hybrid model: 60% remote work (3 days at home, 2 days in the office).
Stability and future: Long-term projects in a leading company with more than 60,000 professionals, providing financial security.
Vacation days + personal days.
Close and transparent environment: You will enjoy direct and fluid communication with managers and colleagues, in a collaborative and open environment.
Continuous training: via Open University and Udemy for Business (more than 6,000 courses to specialize!)
Employee discounts and benefits: Enjoy advantages in gyms, restaurants, shops, leisure, and much more by being part of Indra.

The role

At Indra Group, we protect what matters most.

From our Defense unit, we develop advanced technological solutions that reinforce national and international security.

💻 Join our team for national and international projects!

We want to recruit a Senior Interoperability Engineer with experience in technical interoperability projects to participate in the design, integration, and validation of systems in defense, intelligence, OT, and critical infrastructure environments, in Barcelona.

What you'll do

Define, analyze, and validate technical interoperability between systems in defense, intelligence, OT, and critical infrastructure environments.
Design and manage interfaces between heterogeneous systems, ensuring their compatibility, security, and correct integration.
Apply military interoperability standards, frameworks, and regulations in the design and evolution of solutions.
Model information flows and secure communication protocols, identifying dependencies and integration requirements.
Prepare and maintain technical documentation, interoperability diagrams, and compatibility matrices between systems.
Coordinate interoperability activities with technical teams, facilitating incident resolution and interface validation.

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

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 resolve any doubts.
Interview with the talent acquisition team: We want you to get to know us better as a company: values, career model, skills... so that both you and the project team can analyze if there is a match.
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 psychological competency and English tests (if necessary).
Offer and welcome: If everything goes well, you join our team and we begin this new stage together!

Estimated process time: 2-3 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

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

As a company, we understand equality as a cross-cutting principle and a driver of social change. Based on this conviction, we reaffirm our commitment to equal treatment and opportunities between women and men, non-discrimination, equal pay, and work-life balance in professional and personal life.

This commitment is realized through the promotion of respectful and inclusive work environments, where all people are treated with dignity, can develop professionally, and have equal opportunities in selection, training, and promotion processes, offering a work environment free from any discrimination based on sex, 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 the conditions offered to our professionals and our comprehensive HR management.

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