The role involves ensuring the quality of supplier processes and products for strategic defense projects.
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- Work mode
- Hybrid, Madrid
- English
- Required
- Education
- University degree
Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
This job advert was originally written in Spanish.
Requirements
What we're looking for
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!
- Degree in Computer Science, Mathematics, or similar.
- Solid knowledge of ontologies, taxonomies, and semantic modeling.
- Experience in semantic languages and standards such as RDF, RDFS, OWL, and SPARQL.
- Knowledge of Linked Data and knowledge graphs.
- Experience in the design of complex conceptual models and data dictionaries.
- Capacity for technical documentation and vocabulary definition.
- Knowledge of data interoperability and semantic normalization.
Nice to have
- Valuable experience with Neo4j, GraphDB, Stardog, or other graph technologies.
- Valuable experience in artificial intelligence applied to knowledge graphs and data integration.
- Knowledge of NAFv4, MBSE, enterprise architecture frameworks, Enterprise Architect, or Cameo will be especially valued.
- Minimum B2 English level, with C1 being valued.
- We will value certifications in Semantic Web, Data Science, Neo4j Certified Professional, TOGAF, or CDMP.
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 tailored 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 + discretionary 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 yourself!)
- Employee discounts and benefits: Enjoy advantages in gyms, restaurants, shops, leisure, and much more as an Indra employee.
The role
💻 Join our team of national and international projects! We want to hire a Semantic Web and Knowledge Graph Specialist with experience in semantic modeling, ontologies, and data interoperability to join strategic projects in knowledge management, information integration, and digital transformation in highly complex environments.
What you'll do
💡 What will you do?
- Design and develop ontologies, taxonomies, and semantic models for different business domains.
- Define and maintain vocabularies, data dictionaries, and complex conceptual models.
- Guarantee data interoperability and semantic normalization between systems and information sources.
- Coordinate the integration of data coming from multiple domains and technologies.
- Prepare technical and functional documentation associated with semantic models and knowledge graphs.
- Participate in innovation initiatives related to artificial intelligence applied to knowledge graphs and advanced information management.
Hiring process
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.
- Initial 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.
- Interview with the talent attraction 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 and English competency assessments (if required).
- Offer and welcome: If everything goes well, you will join our team and we will 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
- 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
About the company & team
At Indra Group, we protect what matters most. From our Defense unit, we develop advanced technological solutions that strengthen national and international security.
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.
This commitment is reflected in 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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