Cyber Security Architect - Telecom

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life‑saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

Your Role

As a Cyber Security Architect, you will contribute to complex, large-scale telecom transformation programs focused on designing and securing next-generation telecom infrastructures and networks. You will play a key role in enabling critical use cases such as Mission Critical Communications (post-TETRA), Public Safety Networks, Non-Terrestrial Networks (NTN), and Industrial IoT.

• Design end-to-end security architectures for telecom and cloud environments, covering domains including SIM/eSIM, Devices, RAN, Transport (MPLS/IP), EPC/5G Core, IMS, MCx, OSS, and BSS
• Develop and implement security frameworks aligned with standards such as 3GPP, GSMA, ETSI, NIST, ISO 27001, and industry best practices (Zero Trust, Defense-in-Depth, Adaptive Security)
• Conduct threat modeling, risk assessments, and vulnerability analysis for telecom networks
• Provide expert recommendations to mitigate cybersecurity risks, vulnerabilities, and incidents across telecom ecosystems
• Evaluate and recommend security technologies (Firewalls, IDS/IPS, PKI, HSM, PAM, EDR, SIEM, SOAR, etc.) and validate vendor solutions
• Produce and maintain high-quality architecture artifacts including HLDs, LLDs, guidelines, and security procedures
• Collaborate with solution architects, engineering, and integration teams to ensure secure design and deployment
• Lead customer workshops and present security strategies to technical and executive stakeholders

Your Profile

Experience & Qualifications

• Master’s degree in Computer Science, Cybersecurity, or Telecommunications
• 10+ years of experience in cybersecurity, including at least 5 years in telecom environments
• Relevant certifications preferred: TOGAF, CISSP, ISSAP, CCSP or equivalent

Technical Expertise

• 4G/5G security standards and compliance (3GPP TS33.x, TS33501, GSMA, ETSI, NIST, ENISA)
• Security of RAN infrastructures (DNS, DHCP, IPAM, AAA, DIAMETER, RIC security)
• Telecom protocols security (LTE/5G, GSM/2G/3G, GTP, SCTP)
• Transport network security (MPLS, IP, BGP)
• Cloud and virtualization security (OpenStack, Kubernetes, Docker, OpenShift, VMware)
• EPC / 5G Core security (AMF, SMF, UDM, NRF, AUSF, NEF, etc.)
• Security of IMS and MCx services
• OSS/BSS and network management systems security
• Security architecture models: Zero Trust, Layered Security, Defense-in-Depth, Adaptive Security
• Implementation of baseline security standards (MBSS) for telecom environments
• Security solutions integration across ecosystems: PKI, CLM, HSM, IdM, PAM, EDR, SIEM, SOAR

Professional Skills

• Strong analytical and structured problem-solving approach
• Ability to manage multiple priorities in complex environments
• Excellent communication and stakeholder management skills
• Strong presentation skills for both technical and executive audiences
• Flexibility to work across cultures and travel internationally

What you’ll love about working here

Digital campuses and academy – Our engineering academy offers more than 60,000 hours of training, as also our digital campus on GenAI, data or sustainability, support digital learning in the flow of work from awareness to expert certifications.

Dedicated innovation labs – We help the world's largest innovators engineer the products and services of tomorrow by leveraging our experts and labs, dedicated to topics as 5G, 6G, AI, Autonomous Vehicles and Quantum.

Worldwide Leader of Engineering Services – Capgemini Engineering combines its broad industry knowledge and cutting-edge technologies in digital and software to support the convergence of the physical and digital worlds. We help our clients unleashing their R&D potential to develop smart products and services of tomorrow.

Communities – Our Framework drives career development and elevates Capgemini's capabilities across various domains. Roles like architects, software engineers, these communities form the pillars of our Engineering Career Framework, outlining the foundational elements and anticipated growth.

Tech for Societal Solutions – We're committed to addressing emerging crises, be it humanitarian, health, or biodiversity, to the best of our abilities. Collaborating with ITER project to build a safer, large-scale source of energy. Our global scientists and experts work to prove that the goal of clean, unlimited #FusionEnergy is possible.

About Capgemini

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55‑year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end‑to‑end services and solutions leveraging strengths from strategy and design to engineering, all fuelled by its market‑leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.