Network & Security Architecture

Capgemini Engineering; United Kingdom; On-site; GBP 90,000 - 120,000; Full time

Job summary

Capgemini Engineering is seeking an experienced Network & Security Architect to design and deliver end-to-end network and security architecture solutions aligned with customer business and technology objectives.

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

Qualifications

• 10+ years in enterprise networking, security, or solution architecture.
• 5+ years in network and security architecture roles.
• Experience across LAN/WAN/WLAN, routing, switching, DNS/DHCP, IP addressing, load balancing, high availability.
• Security architecture across firewalls, segmentation, VPN, secure access, NAC, web security, and intrusion prevention.
• Hands-on architecture with SD-WAN, SASE, Zero Trust Network Access, cloud security, hybrid-cloud connectivity.
• Understanding of Azure and/or AWS networking, including virtual networks, connectivity gateways, private connectivity, routing, and security controls.
• 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.

Responsibilities

• Design and deliver end-to-end network and security architecture solutions aligned with customer objectives.
• Work closely with customers, delivery teams, vendors and stakeholders to define target architecture and provide technical leadership.
• Ensure security, compliance, resilience and operational requirements are addressed.

Skills

Enterprise networking

Security architecture

SD-WAN

SASE

Zero Trust Network Access

Cloud networking (Azure/AWS)

Firewall/VPN/NAC/Web security/IPS

Automation/IaC/observability

Network management/service assurance

Job description

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
• Solution Design, Transformation & Delivery
• 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 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.

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.