Telco Security Architect

Capgemini; Abingdon; Hybrid; GBP 90.000 - 130.000; Vollzeit

Benefits dieser Stelle

Hybrid working model

Learning & development access

Zusammenfassung

Capgemini is seeking a Telco Security Architect to design, implement and maintain security architectures for telecom networks, ensuring UK TSA compliance and secure interfaces. You will lead security teams and drive risk mitigation across 5G/6G environments, with a focus on PKI, IAM, and SIEM implementations.

You will collaborate across vendors and internal teams, shaping secure network deployments and defending critical telecom infrastructure while working in a hybrid model with some on-site

Qualifikationen

• 8-12+ years in telecommunications network security architecture.
• UK TSA & Regulatory Compliance experience.
• Experience with telecom network architectures and RAN/core elements.

Aufgaben

• Design security architectures for telecom networks and interfaces.
• Ensure UK TSA compliance across networks and services.
• Lead security teams and delivery on security initiatives.
• Assess threats and mitigate risks for 5G/6G architectures.
• Oversee cryptographic standards and PKI management.

Kenntnisse

Security Architecture

UK TSA Compliance

5G/6G Security

IAM in telecom

PKI management

Security monitoring (SIEM)

Threat modeling

Vendor & Risk Management

Ausbildung

Bachelor's degree or equivalent in a relevant field

Tools

SIEM

OSS/BSS platforms

Jobbeschreibung

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 Women@Capgemini

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.