Network Manager

UK

Internet Services UK Limited is one of the UKs biggest domain name and hosting providers. Domain names and web hosting are our specialties but we also provide everything else needed to run a booming online business.

Our UK brands and services:

/ / Shared hosting Email Domains & DNS Managed Servers & VPS

Bare Metal Dedicated Servers & Cloud & VPS

/ / Managed Hosting Cloud Servers & VPS

group

Since 2019 we have been part of the group. is an ecosystem of 60 successful brands working together across 22 European countries to provide its 3.3 million SMB customers with everything they need to succeed online by offering best-in-class expertise and services.

Position

We are looking for an experienced Network Manager / Senior Network Engineer to take ownership of our UK network operations while contributing to the wider European backbone.

This is a hands-on leadership role combining deep technical expertise with people management responsibilities. Potentially leading a small team of Network Engineers (23) in the future while remaining actively involved in the design operation and evolution of a large-scale ISP and data center network.

You will be responsible for the day-to-day management performance resilience and scalability of the UK network infrastructure while also supporting core backbone services across the broader group.

This role requires a proactive self-starting individual who can quickly understand complex network environments take operational ownership and drive improvements across infrastructure processes and team capability.

You will report directly to the Director of Networks.

Key Responsibilities

• Own and operate the UK network infrastructure ensuring high availability performance and resilience across POPs transit peering and data center connectivity

• Support the European backbone contributing to the stability and evolution of a large-scale multi-country ISP network

• Lead network design scaling and lifecycle management including capacity planning upgrades and infrastructure migrations

• Drive routing and interconnection strategy with ownership of BGP policy traffic engineering IP transit and peering relationships

• Act as the senior technical escalation point leading complex incident resolution across routing switching and physical infrastructure

• Lead and mentor a small team of Network Engineers setting technical direction and operational standards

• Collaborate with internal teams and external vendors managing suppliers troubleshooting carrier issues and improving service delivery

• Continuously improve network architecture and operations enhancing resilience observability automation and cost efficiency

Requirements

• 10 years of experience in Network Engineering with at least 3 years in a senior or leadership role

• Proven background in ISP hosting or service provider environments

• Hands-on experience designing building and operating a service provider core network (not only customer or access networks)

• Strong practical experience running internet-scale routing and switching environments

• Demonstrated ownership of BGP in production including IP transit peering and routing policy control

• Experience operating in or close to the default-free zone (full routing tables) is strongly preferred

• High ownership mentality proactive in taking responsibility and driving issues to resolution

• Strong collaborator with a team-first mindset working effectively across technical and non-technical teams

• Clear communicator with the ability to explain complex network concepts simply and effectively

• Ability to mentor coach and develop engineers sharing knowledge and raising team capability

Technical requirements

Routing & Core Networking

• Expert knowledge of TCP/IP and the OSI model

• Strong experience with BGP in production environments (policy control traffic engineering communities default-free zone)

• Experience operating internet-scale networks with full routing tables

• Experience with IP transit peering and route-servers

• Solid understanding of OSPF and/or IS-IS

• Experience operating MPLS networks (LDP/RSVP)

Platforms & Infrastructure

• Strong hands-on experience with Juniper MX and QFX/EX platforms (Juniper experience strongly preferred)

• Experience with multi-vendor environments (e.g. Cisco Nokia Arista)

• Experience designing and operating service provider core WAN and data center networks

• Familiarity with EVPN-VXLAN MC-LAG or Virtual Chassis is an advantage

• Experience with network lifecycle management (build migration upgrades)

Internet & Peering Ecosystem

• Experience with IP transit peering and IXPs (e.g. LINX AMS-IX)

• Knowledge of RIPE policies IP address management and routing registries

• Familiarity with tools such as PeeringDB

Operations & Network Reliability

• Advanced troubleshooting across routing switching and physical infrastructure

• Experience with DDoS detection and mitigation

• Familiarity with flow technologies (NetFlow IPFIX J-Flow) and monitoring platforms

• Strong understanding of IPv4 with working knowledge of IPv6

Physical & Optical Networking

• Understanding of optical networking transceivers and fiber infrastructure

• Experience troubleshooting carrier circuits and data center connectivity

• DWDM / OTN knowledge is an advantage

Commercial & Vendor Management

• Experience working with vendors and suppliers (technical and commercial)

• Involvement in vendor selection support management and cost optimization

ESG

At our commitment to caring for the environment and each other is at the heart of everything we do. Our latest impact report showcases our ongoing ESG efforts and ambitious sustainability goals. Interested in learning more about our dedication to making a positive impact Check it out here.

Right to work

At any stage please be prepared to provide proof of eligibility to work in the UK. Unfortunately we are unable to support Sponsorship Visas.