Telecom Cyber Security Architect (M/F)

Cyber Security Architect (M/F) – Capgemini Engineering

Capgemini Engineering is the world leader in engineering services. We bring together a global team of engineers, scientists and architects to help innovative companies unleash their potential across all industries.

Job Description

With over 6,000 cyber security consultants within the Capgemini Group, including more than 1,000 consultants in France, and leveraging over 30 years of proven expertise in cybersecurity (IT, Embedded, Industrial, and Telecom) Capgemini positions itself as an active player in the cyber security market. The Cybersecurity practice within Capgemini Engineering aims to strengthen its workforce and cybersecurity offerings for the Telecommunications sector and is looking to recruit one or more Cyber Security Architects to take part in complex large-scale projects focused on the design, planning and building of Telecom Infrastructures and Networks.

Key Responsibilities

• Design end‑to‑end security architecture for Cloud and Telecom Infrastructures.
• Develop security frameworks aligned with international standards such as 3GPP, GSMA, ETSI, NIST, ISO 27001, etc.
• Conduct risk assessments and threat modeling for Telecom environments.
• Provide technical expert guidance to mitigate cyber security risks, vulnerabilities, weaknesses and incidents affecting the telecom environment.
• Assess and recommend security technologies such as Firewalls, IDS/IPS, Encryption, PKI, HSM, PAM, EDR, SIEM, SOAR, etc. and validate vendor solutions against security requirements.
• Create and maintain high‑quality security architecture documentation and diagrams, guidelines, procedures and training materials.
• Lead and/or collaborate with solution architects and integration teams to ensure secure deployments.
• Communicate effectively with customers and top executives during workshops and presentations.

Technical Skills

• 4G and 5G Security Compliance: GSMA, ENISA: TS33501, TS33.x, ETSI, NIST, etc.
• Security of RAN infrastructures: DNS/DHCP/IPAM, AAA, DIAMETER, RIC Security.
• Security of radio communication protocols: 4G/LTE/5G, GSM/2G/3G, GTP, SCTP, etc.
• Security of transport networks (MPLS, IP, BGP, etc.).
• Security of cloud and virtualization platforms (OpenStack, Kubernetes, Docker, OpenShift, VMWare, etc.).
• Security of EPC/5GC core networks and interfaces: AMF, SMF, SMSF, UDR, 5G‑EIR‑BE, AUSF, 5G‑EIR‑FE, UDM, NRF, NEF, etc.
• Security of MCx and IMS services.
• Security of network management systems, OSS, and BSS.
• Secure architecture patterns and models: Zero‑Trust, Layered Security Architecture, Defense in Depth, Adaptive Security.
• Minimum Baseline Security Standard (MBSS) for hardening the configuration of telecom network elements.
• Security solutions and their integration strategies across the telecom environment, including PKI, certificates life‑cycle management, HSM, cryptographic keys ceremonies, IdM, PAM, EDR, SIEM, etc.

Profile and Experience

• Master’s degree in computer science, information security, or telecommunications.
• Minimum 10 years of experience in cyber security, including at least 5 years in Telecom environments.
• Certifications: TOGAF, ISSAP, CISSP, CCSP or equivalent.
• Highly organized with the ability to manage multiple priorities effectively.
• Structured approach to problem‑solving and decision‑making.
• Excellent verbal and written communication skills in English (French is an asset).
• Strong presentation skills for technical and executive‑level audiences.
• Ability to adapt to different cultural and business environments, with frequent travel worldwide to customers’ locations.

Locations

• Ile de France, France
• Rennes, France

Position requires occasional travel.

Capgemini is a global business and technology transformation partner helping organizations to accelerate their digital transition.

Seniority Level

• Associate

Employment Type

• Full‑time

Job Function

• Engineering and Information Technology

Industries

• IT Services and IT Consulting