Network & Security Architecture (NSA)

London Source: WhatJobs

£90,000–£120,000

Your role

Capgemini Engineering looking for an experienced Network & Security Architect (NSA) to design and deliver end-to-end network and security architecture solutions aligned with customer business and technology objectives.

The role works closely with customers, delivery teams, vendors, and key stakeholders to define target architecture, provide technical leadership, and ensure that security, compliance, resilience, and operational requirements are addressed.

In this role you will play a key role in:

Network & Security Architecture
Enterprise Networking & Cloud Connectivity
Solution Design, Transformation & Delivery
Pre-sales & Customer Engagement
Technical Governance & Leadership

Your role

In this role you will play a key role in:

Network & Security Architecture
Enterprise Networking & Cloud Connectivity
Solution Design, Transformation & Delivery
Pre-sales & Customer Engagement
Technical Governance & Leadership

Your profile

10+ years of experience in enterprise networking, security, infrastructure, or solution architecture.
5+ years of experience in network and security architecture roles
Strong enterprise networking architecture experience across LAN, WAN, WLAN, routing, switching, DNS, DHCP, IP addressing, load balancing, and high availability.
Strong security architecture experience across firewalls, segmentation, VPN, secure access, network access control, web security, and intrusion prevention.
Hands-on architecture experience with SD-WAN, SASE, Zero Trust Network Access, cloud security, and hybrid-cloud connectivity.
Good understanding of Azure and/or AWS networking, including virtual networks, connectivity gateways, private connectivity, routing, and security controls.
Experience designing resilient, scalable, and secure solutions for complex enterprise environments.
Ability to produce architecture artefacts, HLDs, LLDs, migration designs, technology standards, and roadmaps.
Knowledge of automation, infrastructure as code, observability, network management, and service assurance is desirable.

Make it real - what does it mean for you?

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.

Capgemini. Make it real.

Need to know

All roles will require a level of security clearance; BPSS OR Security ClearanceOR Developed Vetting.
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.

Make it real |

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Full job description from WhatJobs. Apply for this role →