Senior Network Architect

Are you a network architecture expert who thrives on designing secure, scalable and resilient solutions across complex environments? We’re looking for a Senior Network Architect to lead the design and governance of enterprise network architectures.You’ll play a key role in shaping and delivering robust network solutions that align with organisational strategy, security standards and operational requirements. Working within a multi‑vendor environment, you’ll collaborate with technology, security and business stakeholders to influence decisions and drive best practice. We can offer great career progression opportunities, the ability to be based anywhere across the UK, benefits which you can flex to meet your needs, and training and development opportunities.What you'll be doing:

• Lead the design and documentation of end‑to‑end network architectures across campus, data centre, WAN, WLAN and cloud environments.
• Produce high level and low level design artefacts, standards, patterns and reference architectures.
• Architect solutions across multi‑vendor technologies including Cisco, Meraki, Aruba, Check Point, Fortinet and Palo Alto.
• Develop secure network architectures incorporating segmentation, firewalling, Zero Trust principles and best‑practice security controls.
• Design and integrate SD‑WAN solutions and collaborate with cloud teams to deliver hybrid and cloud‑connected architectures (Azure and AWS).
• Provide technical governance and design assurance, acting as a senior escalation point while supporting vendor selection and mentoring engineers.

What you’ll bring:

• Strong expertise in Cisco routing, switching and wireless technologies, including Cisco Meraki and Aruba platforms.
• Deep knowledge of Check Point, Fortinet and Palo Alto firewalls, with a track record in secure network architecture design.
• In‑depth understanding of routing protocols including OSPF, BGP and EIGRP, alongside QoS, multicast and network optimisation.
• Experience designing SD‑WAN solutions across Cisco SD‑WAN (Viptela), Meraki SD‑WAN and Fortinet Secure SD‑WAN.
• Strong knowledge of Azure and AWS networking concepts including VNet, VPC, ExpressRoute, VPN Gateway, Transit Gateway and hybrid connectivity.
• Ability to produce high‑quality architectural artefacts and apply enterprise architecture principles and governance frameworks such as TOGAF.

If you’re interested in this role but not sure if your skills and experience are exactly what we’re looking for, please do apply, we’d love to hear from you!Employment Type: Full‑time, Permanent.
Location: UK wide.
Security Clearance Level: SC.
Internal Recruiter: Annecia.
Salary: dependent on experience.
Benefits: £5,400 car allowance, 25 days annual leave with the option to buy additional days, private medical, life assurance, pension, and generous flexible benefits fund.

Although this role is advertised as full‑time, we believe that flexibility at work can promote work/life balance, increase your motivation, reduce stress and improve performance and productivity. We support different ways of working and can offer a range of flexible working arrangements. So, if you’re interested and need to work flexibly, we encourage you to apply and talk to us about what might be possible.

Loved reading about this job and want to know more about us?Our business is, first and foremost, about people. And it always has been. The solutions we develop are driven by the connections they make and the problems they solve. Our services only matter if they work for people and if they serve a greater purpose. Known for our collaborative approach, we provide consulting and digital services, creating innovative solutions, at scale, to deliver sustainable growth and services that make life better. Our work touches many lives in the UK. From helping the Government provide essential public and health services that offer more convenience and choice, to improving financial services to deliver fairer, customer‑centric solutions. Together we are building a better future by delivering real and lasting value. We are just at the start of what we can achieve together. Come and join us!