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Not a refusal, but not a yes. Worth asking in your first message.
Indra is hiring for this role in several places. This vacancy is in Madrid.
Don't worry if you don't meet 100% of the requirements. We encourage you to apply, learn more about our opportunity, and show us what you can bring to the team.
• Master's degree in Aerospace Engineering or an equivalent scientific or engineering discipline.
• At least 5 years of experience developing SSA algorithms, including sensor simulation, cataloguing, and KPI analysis.
• Deep knowledge of orbital mechanics and hands-on experience with end-to-end simulation workflows.
• Experience with numerical methods, stochastic modelling, and performance analysis.
• Experience with CCSDS standards and event-driven or time-step simulation environments.
• Experience with sensor modelling, including noise characterization, detection thresholds, field of view (FOV), and observation uncertainties.
• Innovative, high-impact projects: Work with cutting-edge technologies on projects with both national and international impact.
• A career plan tailored to you: Designed to support your professional growth and development.
• Autonomy and flexibility: Freedom to organize your work, with a healthy work-life balance adapted to your needs.
• Stability and long-term opportunities: Join a leading company with more than 60,000 professionals and strong financial stability.
• Annual vacation days plus additional personal leave days.
• Open and transparent work environment: Enjoy direct communication with managers and colleagues in a collaborative setting.
• Continuous learning: Access training through Open University and Udemy for Business (more than 6,000 courses available).
• Employee discounts and benefits: Enjoy special offers on gyms, restaurants, retail stores, leisure activities, and much more.
At Indra Group, we develop space technology for the missions of the future.
We drive satellite, Earth observation, communications, and space defense programs, participating in projects that push the boundaries of technological innovation and knowledge.
💻 Join our team working on national and international projects!
We are looking for a Space Situational Awareness (SSA) Simulation Engineer with experience in SSA algorithm development, orbital mechanics, sensor simulation, cataloguing systems, stochastic modelling, and end-to-end simulation environments to join projects focused on space surveillance and tracking systems, performance analysis, sensor modelling, simulation platforms, and advanced SSA solutions for the space sector.
💡 What will you do?
• Develop and maintain SSA algorithms for sensor simulation, object cataloguing, and KPI analysis.
• Design, execute, and improve end-to-end simulation workflows for space surveillance and tracking applications.
• Perform orbital mechanics analyses, numerical modelling, and stochastic performance assessments.
• Support system validation, verification, and performance analysis activities through simulation environments.
• Develop software solutions and simulation capabilities using modern programming languages and engineering tools.
• Contribute to the implementation of advanced technologies such as Artificial Intelligence, digital twins, and high-availability systems.
• Collaborate with multidisciplinary teams to define, analyse, and improve simulation architectures and operational concepts.
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
🕓 What does our recruitment process look like?
• Profile review: We assess your experience and skills to determine your fit for the role.
• Initial phone conversation (5-10 minutes): If you receive a call from an unknown number, it may be us! A brief conversation to get to know you and answer any questions.
• Talent Acquisition interview: An opportunity for you to get to know us better-our values, career model, skills framework, and culture-while we explore whether there's a mutual fit.
• Technical interview: Meet the team, learn more about the project and day-to-day responsibilities, and discuss your technical expertise. Short assessments in English and competencies may also be conducted if required.
• Offer and onboarding: If everything goes well, you'll join our team and begin this exciting new chapter with us!
Estimated hiring process duration: 2-3 weeks.
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.
As a company, we view equality as a cross-cutting principle and a driver of social change. We are committed to equal treatment and opportunities for all, non-discrimination, pay equity, and work-life balance.
This commitment is reflected in fostering respectful and inclusive workplaces where everyone is treated with dignity, can grow professionally, and has equal opportunities in recruitment, training, and career progression, 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 2026!
Join one of Spain's best employers, recognized for the outstanding conditions offered to its professionals and its comprehensive people management practices.
or browse Senior·IBEX 35·Aviation & Aerospace·Defence & Dual-Use Technology·Top Employers Spain·Community of Madrid·IT and Defense
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€60k
Blue Card threshold🇬🇧
