RAN System Engineer OneWeb Next

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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.

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• Pioneer the future of Space Technology

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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. We are proud that one-third of our executive team and 60% of our board are represented by women.

• 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 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

Role Overview

Eutelsat is seeking a 5G NTN RAN design, simulation and integration engineer to work on 5G Non-Terrestrial Network (NTN) systems, integrating satellite access into an end-to-end 5G system spanning the Core, ground and transport networks, payload and mission operations.

You'll contribute to the design and optimisation of the RAN architecture and work closely with RAN vendors and engineering subcontractors through co-engineering, implementation and integration. You'll collaborate closely with internal engineering, onboard-processing and supplier teams to ensure that supplier implementations meet system requirements and standards, and integrate cleanly into the end-to-end system.

You'll also help integrate the satellite access network and Service Management and Orchestration (SMO) system with the 5G Core, transport networks, payload, Mission Control Centre and operational support systems. A core part of the work is translating functional architecture, system requirements and functional chains into complete, consistent, implementable and verifiable requirements.

Key Responsibilities

RAN design and simulation

• Contribute to the design and optimisation of the 5G NTN RAN architecture and functionalities.
• Evaluate algorithms and system parameters to optimise overall network performance.
• Analyse the impact of scheduling strategies, QoS mechanisms, mobility procedures and resource allocation.
• Support performance analysis through modelling and simulation.

Supplier support

• Work closely with RAN suppliers during co-engineering, implementation and integration activities.
• Review supplier technical documentation, design proposals and implementation plans.
• Monitor vendors technical activities and support technical follow-up throughout development.
• Participate in technical workshops, design reviews and engineering discussions.
• Support the resolution of technical issues identified during implementation and integration.

Integration

• Support integration between the RAN, onboard processing functions, payload and the wider communication system.
• Collaborate with HW engineers, onboard processing engineers and system engineering teams.
• Support interoperability, verification and system integration activities.

Required Experience

• Degree in Telecommunications, Electrical Engineering or a related discipline.
• 5–10 years of relevant experience in end-to-end functional architecture, system architecture or systems engineering for complex telecommunications or other distributed systems.
• Solid grasp of 5G System architecture, including the interactions between user equipment, NG-RAN, the 5G Core, transport networks and service platforms.
• Experience in 5G NR RAN design, with a strong understanding of the 5G NR (and ideally NTN) protocol stack.
• Working knowledge of 3GPP 5G and NTN standards and architecture.
• Experience with radio resource management (RRM), scheduling algorithms, QoS mechanisms or MAC-layer optimisation.
• Experience in system requirements analysis, design and development of access-network subsystems, with a focus on 5G solutions.
• Experience working with telecommunications suppliers during development or integration projects.
• Experience with communication-system modelling and performance analysis, using MATLAB or a similar simulation tool.
• Strong knowledge of O-RAN architecture and SMO, including SMO interfaces and its role in RAN configuration, orchestration and assurance.
• Ability to analyse complex technical problems and propose sound engineering solutions.

Desirable Experience

• Master's or PhD degree in Telecommunications, Electrical Engineering or a related discipline.
• Experience with service-platform, orchestration, management or OSS interfaces.
• Experience with LEO, MEO or GEO satellite communication systems.
• Experience with onboard-processing (OBP) architectures and satellite payload implementation.
• Experience with cloud-native RAN, containerised network functions (CNFs) and Kubernetes-based deployments.
• Knowledge of beamforming and beam-hopping configuration and modelling.
• Knowledge of IP networking, timing and synchronisation, and transport technologies used in 5G networks.
• Experience supporting multi-vendor interoperability and system integration.
• Experience on large-scale or multi-supplier telecommunications or satellite programmes, including collaborative programmes with industrial partners, research organisations or public institutions.
• Experience with verification, validation and operational-readiness activities, and with maintaining traceability across requirements, designs, supplier deliverables and verification evidence.
• Familiarity with model-based systems engineering (MBSE), requirements-management or architecture-modelling tools.

Candidate Profile

• You collaborate naturally across RAN, systems, onboard-processing and software domains, and with external vendors and subcontractors throughout the design-to-integration lifecycle.
• You're confident and clear in technical discussions, design reviews and supplier workshops, able to explain complex concepts to internal teams and suppliers alike.
• You can read technical specifications, standards and supplier documentation critically, spotting inconsistencies and implementation risks.
• You work independently and exercise sound engineering judgement, while balancing technical quality against programme schedules and delivery priorities.
• You can turn functional architecture and system needs into clear, consistent and verifiable requirements, and trace them through design, supplier deliverables and verification.
• You're proactive, analytical and detail-oriented, and you adapt well as technical requirements evolve.

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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.