Description
**Location:**
Madrid, ES
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**Professional Profile:** PyS Defense and Security
**Required Experience:****Job Mode:**
At Indra Group, we protect what matters most.
We lead the development of state-of-the-art technological solutions that strengthen national and international security.
Join our team on European projects!
As part of our positioning as a leader in the defense sector, we aim to strengthen our team with a Software Engineer experienced in C\+\+, Java, and Linux for a defense project.
What will you do?
Design, implementation, and validation of VoIP communication applications in critical environments.
Development of new features in C\+\+ and Java on Linux platforms.
Participation in defining technical requirements and functional specifications for communication systems.
Integration of IP communication protocols and VoIP telephony, especially SIP.
Analysis, diagnosis, and resolution of issues related to voice communications and TCP/IP networks.
Development of graphical user interfaces (GUIs) and system operation tools.
Software configuration management using version control tools (Git and Subversion).
Participation in technical reviews, integration testing, validation, and acceptance of systems.
Technical support during system deployment, integration, and maintenance phases.
What are we looking for in you?
Don’t worry if you don’t meet 100% of our criteria. Go ahead — learn about our offer and tell us what you can bring to the team!
Degree in Computer Engineering, Telecommunications Engineering, or related fields.
Minimum verifiable experience of 8 years in software development using C\+\+.
Experience developing with Java in Linux environments.
Experience with Linux systems and scripting tools (Shell Script).
Experience in development, integration, and maintenance of software communication applications.
What we offer you
**Stability and Future ✨:** Long-term projects at a leading Defense company with over 60\.000 professionals and strong financial security.
**Innovative and High-Impact Projects :** You’ll work with cutting-edge technologies, delivering impact both nationally and internationally.
**Close and Transparent Environment :** Enjoy direct and fluid communication with managers and colleagues in a collaborative and open environment.
**Autonomy and Flexibility :** You’ll have freedom to organize your work, with genuine work-life balance adapted to your pace. Adaptation to the position’s working model — factory-based shift work — does not allow flexibility.
**Personalized Career Plan :** Designed to boost your professional growth and development.
**Continuous Training :** via Open University and Udemy for Business (over 6\.000 courses to help you specialize!).
Bus service with multiple routes serving workplaces outside Madrid city (IMPORTANT: Mention only in job offers for on-site or hybrid roles located in Arroyo, Torrejón, San Fernando, and Aranjuez).
**Exclusive Wellness Discounts :** Enjoy benefits at gyms, restaurants, stores, leisure activities, and more as an Indra employee.
Fixed compensation \+ flexible compensation plans tailored to your needs.
How does our selection process work? Important: Few companies include this section — and it’s precisely what sets us apart.
**Profile Review :** We assess 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, we’ll conduct brief psychological and English competency assessments (if required).
**Interview with Talent Acquisition Team :** We want you to better understand our 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.
As a company, we view equality as a cross-cutting principle and a driver of social change. From this conviction, we reaffirm our commitment to equal treatment and opportunities between women and men, non-discrimination, equal pay, and work-life balance.
This commitment translates into promoting respectful and inclusive work environments where all individuals are treated with dignity, can develop professionally, and enjoy equal opportunities throughout selection, training, and promotion processes — offering 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 2026!** 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.