Trainee in Satellite Systems Modelling Engineering - Internship

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Be part of a new era in communications, transforming connectivity with Eutelsat – the world’s first GEO-LEO integrated global satellite operator.

As a leader in satellite communications, we provide global connectivity solutions - connecting businesses, communities, and governments around the world. We can connect you at on land, at sea and in the air. We also deliver broadcast television channels and packages, transmitting vital news reports around the world. 

With Eutelsat You’ll Get To:

• Pioneer the future of Space Technology
• Bring connectivity to remote frontiers
• Collaborate with customer-centric experts
• Embrace cultural diversity in our global team

In a dynamic industry where passion drives our teams to make a difference to become the most trusted partner for global satellite connectivity, you will elevate your skills in a stretching, rewarding, and meaningful environment. At Eutelsat, we’re united by inclusion and diversity, striving for gender balance and social responsibility, on Earth and in Space.

Why Eutelsat?

• Commitment to Diversity & Inclusion: With colleagues from over 75 countries, we embrace our global DNA and are committed to creating an inclusive workplace.
• Ways of Working That Drive Us: As "One Team," we work collaboratively towards shared goals, with customer-centricity, respect, and inclusivity as our guiding principles.
• Sustainability at Our Core: At Eutelsat, sustainability is more than just a word; it’s woven into our strategy. We’re dedicated to balancing social, environmental, and economic growth — both on Earth and in space.
• Work-Life Balance: We offer flexible schedules and hybrid/remote work options to help you balance your personal and professional life. At Eutelsat, we are committed to supporting your well-being and ensuring you have the flexibility you need to succeed both at work and at home.

Ready to grow with us? Apply today and help us build a more inclusive, sustainable future in the world of satellite technology.

Eutelsat are looking for an intern with a passion for Satellite Communications and Modelling, to join our team. The intern will work on supporting the development of our in-house PHY layer simulator which models end-to-end PHY layer performance of our Current and Future LEO/GEO systems.

Main tasks:

Model implementation:

• Contribute to the design and implementation of physical layer (PHY) models within an in‑house end‑to‑end simulation framework for satellite communication systems.
• Develop, integrate, and extend PHY layer components such as waveform generation, channel and impairment models, synchronization and tracking algorithms, and control/signalling mechanisms.
• Adapt and enhance existing models to support new use cases, standards, or system architectures (e.g. GEO/LEO scenarios, forward and return links).

Model validation and analysis:

• Validate implemented models through simulations, performance analysis, and comparison with theoretical expectations or reference results.
• Evaluate the impact of PHY layer algorithms and impairments on link‑level and system‑level performance metrics.
• Support debugging, testing, and performance optimisation of the simulator.

Documentation:

• Document implemented models, assumptions, and algorithms to ensure clarity, reproducibility, and long‑term maintainability of the simulation tool.
• Contribute to technical notes, user documentation, and internal reports summarising modelling approaches and results.

Collaboration:

• Work closely with systems and modelling engineers to understand requirements and translate them into simulation implementations.
• Participate in technical discussions and code reviews within the team.
• Support knowledge sharing and continuous improvement of the PHY simulation framework.

Skills Required:

- Student in telecommunications engineering, electrical engineering, applied mathematics, Physics or related field. 

- Knowledge of PHY layer modelling. 

- Knowledge of 3GPP (4G LTE + 5GNR)

- Programming experience (Julia, C++, MATLAB, Python, etc.). 

- Understanding of RF communications concepts

- Ability to work in a team and communicate effectively. 

- Good Level of English

Internship conditions:

- Duration: 3-4 months, adaptable to academic requirements. 

- Location: London, Paris, Turin

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This role is a Eutelsat job opening; all of our open roles are posted on the current OneWeb and Eutelsat websites. Please note that when you are applying, your application may be seen by both teams.