Senior Network Engineer
Req ID: 55689
Posting Start Date: 14/05/2026
Job Function: Engineering
Division: Networks
Job Locations: Bristol, Birmingham, London, Manchester
Advertised Salary: Competitive with great benefits
Recruiter: Luke Byrne
Career Grade: D
Internal Closing Date: 28th May
Why this job matters
We are seeking a highly skilled and experienced Senior Network Engineer to lead the design, implementation, and support of enterprise‑scale network infrastructure. This role blends hands‑on engineering with strategic design and operational delivery, supporting both on‑prem and cloud‑based environments. You will be responsible for architecting secure, scalable, and resilient network solutions that meet business and security requirements, while collaborating across multidisciplinary teams to ensure seamless service delivery.
What You’ll Be Doing
* Design, configure, and maintain enterprise‑scale LAN, WAN, and hybrid cloud networks (AWS/Azure)
* Implement and manage network services including VPNs, VLANs, QoS, DNS, DHCP, ACI, Evpn and segmentation
* Deploy and support enterprise‑grade firewalls, routers, switches, and load balancers
* Collaborate with security teams to enforce access controls and ensure network compliance
* Troubleshoot complex network issues and perform root‑cause analysis
* Monitor network performance, conduct capacity planning, and optimise for reliability
* Document network architecture, configurations, and fail‑over strategies
* Ensure alignment with IT policies, audit requirements, and industry best practices
* Keep abreast of relevant technologies by reading briefings and attending talks
Essential Skills And Experience
* Cisco Certified Network Professional (CCNP) or equivalent experience (minimum CCNA)
* Strong expertise in switching, routing, firewalling, wireless networks, and network security
* Proven experience delivering complex network solutions within time, cost and quality targets
* Ability to dissect and resolve technical problems through structured analysis
* Experience building effective partnerships across diverse teams and technologies
* Awareness of industry trends and ability to align network strategy with broader business goals
* Availability to provide on‑call support to the business as part of a team
Desirable Skills And Experience
* Experience with enterprise‑scale on‑prem virtualization (VMware)
* Experience with cloud networking (AWS, Azure, hybrid environments)
* Familiarity with SD‑WAN, network automation, and infrastructure‑as‑code
* Knowledge of Cisco, Juniper, Palo Alto, or other enterprise networking platforms
* Exposure to monitoring tools such as SolarWinds, PRTG, NetFlow
* Strong documentation and diagramming skills using Visio, Lucidchart
* Bachelor’s or Master’s degree in Computer Science, Information Systems, Engineering or related fields
Our Package
Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life. Your core benefits include:
* 10% on target annual bonus
* Access to an online private GP 24/7 for you and your immediate family
* Market‑leading paid carers leave up to 2 weeks off
* Equalised maternity, paternity, and adoption leave – 18 weeks full pay and 8 weeks half pay
* Discounted EE and BT products, including mobile and broadband
* Market‑leading pension scheme – 5% from you and 10% from us
* Holiday purchase scheme
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