IRIS² 5G/NTN Cybersecurity Expert

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Job Overview

We are looking for a 5G/NTN Cybersecurity Expert for the IRIS² programme.

You will play a critical role in the activity of review, design and implementation of secure systems, infrastructure and applications to protect our organization's and our customers’ sensitive information and assets. You will be responsible for developing and maintaining the 5G part of our LEO system and networks cyber security architecture, ensuring that it complies with our customers’ requirements, regulatory requirements, international security standards including 3GPP, ISO, NIST and industry best practices. You will be involved in the definition of security solutions since the early study phase for projects of key importance. Your expertise will contribute to the overall protection of our LEO systems against cyber threats and based on information security risk management and provide guidance to all our teams on security-related matters.

What You’ll Do

• Ensure the security and resilience of 5G and NTN services
• Assess security requirements for hybrid terrestrial-satellite communication systems
• Define and review security architectures spanning 5G core networks, Non-terrestrial networks (NTN), satellite communication systems and service orchestration platforms
• Support the integration of 3GPP NTN capabilities into the end-to-end security design
• Review and contribute to the definition of the security documentation, such as plans, requirements, design, validation and reports
• Collaborate with the System engineering teams to match the security requirements with the end-to-end system architecture
• Contribute to security certification and accreditation activities
• Contribute on the overall risk assessments and vulnerability assessments process to identify potential security weaknesses
• Ensure requirements compliance through verification, traceability and evidence management
• Analyze and investigate any security tradeoffs and requests for deviations.
• Collaborate with external partners, security systems integrators, vendors, and auditors to address security-related requirements
• Work closely with IT teams, software developers, network engineers, and other stakeholders to ensure security measures are implemented effectively
• Stay up to date with the latest cyber security trends, technologies, and threats

What You’ll Need

• Bachelor's or master’s degree (preferable) in computer science, Information Security, or a related field
• Proven experience securing 4G/5G mobile networks
• In-depth knowledge cyber security risk management, telecom security standards and frameworks (e.g., 3GPP, ISO 27001, ISO 27005, EBIOS, NIST Cybersecurity Framework, ECSS, CCSDS)
• Strong understanding of 5G core architecture, network slicing security, authentication and key management
• Proficiency in security technologies:
  • Network security (Firewall, routing, filtering...);
  • Virtualization;
  • Software security;
  • Cryptography (PKI, cryptographic protocols...);
  • RF security;
• Excellent analytical and problem-solving skills.
• Strong communication and collaboration abilities.
• Fluent English; French and other European languages are a plus
• Willingness to travel regularly across the EU to attend meetings and workshops
• The Position is open to European Union nationals

Where You’ll Work

You will be based in Issy-les-Moulineaux (France), in a highly technical environment dedicated to IRIS² security and engineering, working closely with the engineering department, the security team and the subcontractors.

Home office may be considered after initial training and subject to operational constraints. Regular on-site presence and travel within the EU are expected.

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This role is a Eutelsat Group 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.