Telco Security Architect

Telco Security Architect

This is a critical security leadership role focused on designing, implementing, and maintaining comprehensive security architectures for telecommunications networks. The role emphasizes UK Telecommunications Security Act (TSA) compliance, network node security, and risk mitigation across complex telecom infrastructures, including secure protocol interfaces and API exposure (HTTPS/SBI, SIP/signaling protocols), and leading high-performing security teams.

Key Responsibilities

• Security Architecture Design
• UK TSA Compliance
• Network Node Security
• Protocol & Interface Security
• Threat Landscape Management
• Risk Assessment & Mitigation
• 5G/6G Security
• Team Leadership & Delivery

Your Profile

• 8-12+ years in telecommunications network security architecture
• UK TSA & Regulatory Compliance
• Telecom Network Architecture
• Telecom Security Requirements
• Base stations and RAN infrastructure
• Core network elements and signaling
• Network management and OSS/BSS platforms
• Network interfaces and interdomain connections
• 4+ years experience designing security for
• Expertise in telecom-specific threats and attacks (SS7 exploitation, signaling attacks, RAN threats)
• Zero-trust architecture design and implementation
• Cryptographic standards and PKI management
• Identity and access management (IAM) in telecom context
• Security monitoring and SIEM implementations
• Vendor & Risk Management

Certifications

• Cyber Architecture: ISC2 CC (free training + certification) => CISSP (requires 5+ years experience in cyber) => ISSAP (requires CISSP and 2+ years experience)
• Focus on Telecom Cloud
• ISC2 CCSP
• Nokia Bell Labs Professional 5G Distributed Cloud Network
• Focus on Telecom Security
• Nokia Bell Labs 5G Associate
• Nokia Bell Labs Professional 5G Secured Networks
• Cyber governance, risk and compliance
• ISC2 CGRC, CSIM
• ISO 27001 Lead Implementer
• ISO 27001 Lead Auditor

Make it real – what does it mean for you?

• Exposure to top global companies working with Capgemini (145 of the Fortune 500 companies)
• Open access to digital learning platforms
• Active employee networks promoting diversity, equity and inclusion like OutFront, CapAbility or

Capgemini Is Proud To Be a Disability Confident Employer (Level 2) Under The UK Government's Disability Confident Scheme.

As Part Of Our Commitment To Inclusive Recruitment, We Will Offer An Interview To All Candidates Who Declare they have a disability, and Meet the minimum essential criteria for the role.

Please opt in during the application process.

Need to know

• All roles will require a level of security clearance; BPSS OR Security Clearance OR Developed Vetting.
• Location: This is a permanent role with Capgemini, offering a hybrid working model. Our clients are primarily based along the M4 corridor (including Newbury, Reading, and Slough), and occasional travel to these locations will be required.
• You can bring your whole self to work. At Capgemini building an inclusivefuture is part of everyday life and will be part of your working reality. We havebuilt a representative and welcoming environment, for everyone.

About Capgemini

Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of over 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2025 global revenues of €22.5 billion.

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