10 of 10 Permanent Network Monitoring Jobs in the Thames Valley

Location: London Department: Infrastructure & Technology Reports To: Director of Infrastructure/CIO Role Overview The Head of Networks will own the strategy, design, and delivery of the organisation’s network infrastructure across all European data centres, offices, and customer environments. This pivotal leadership role ensures that all network solutions are secure, scalable, resilient, and aligned with business growth. … You will lead a team of skilled network engineers, define the enterprise networking roadmap, and collaborate with cross-functional teams — including Security, Infrastructure, and IT Operations — to deliver a high-performance, high-availability network platform that underpins mission-critical business and customer operations. Key Responsibilities Strategic Leadership Define and execute the strategic vision for enterprise and customer network infrastructure across multiple European sites and data centres. Develop and maintain a multi-year network roadmap , aligning technology capabilities with business strategy and digital transformation initiatives. Establish network standards, policies, and governance frameworks to ensure consistency, compliance, and scalability across the enterprise. Lead continuous improvement initiatives, driving innovation, automation, and standardisation in network design and operations. More ❯

Infrastructure Engineer with network skills Azure cloud, Terraform, Networking, Firewalls 4 days a week in the office in London We are working with an Investment Manager in London who are seeking an experienced Infrastructure Engineer with solid understanding of Networking. The role will focus on maintaining the firm’s current hybrid cloud, network, Internet and server connectivity infrastructure … and the firewall estate for a demanding business environment. The individual will deal with various issues, including On-Prem/Cloud Infrastructure, networking problems, and routine scheduled network infrastructure upgrades. The candidate must be hands-on and have experience working with Azure, Cisco, M365 and Windows Server. IaC concepts, with scripting know-how using PowerShell and Terraform to automate … deployments and tasks. You would be expected to: Maintain and monitor a highly available and complex hybrid cloud and network infrastructure Perform daily system and network monitoring Repair and recover from hardware and software failures across the entire infrastructure stack Identify issues proactively and suggest solutions Provide some end-user support including VIP support Manage switch and More ❯

to shape and deliver our strategic goals but also partner with the business functions to embed the values, behaviours and strategic ambitions. Summary of the role: As our Senior Network Engineer, you will be responsible for designing, implementing, and securing complex network infrastructures across multiple sites and cloud environments. This role requires deep expertise in Fortinet, Cisco & other … network technologies, with a strong focus on network security, SD-WAN, and cloud networking. The engineer will lead operational activities, manage third-party vendors, and oversee site setups, including mobile connectivity via 4G/5G and Starlink. A key part of the role involves team leadership, security posturing, and ensuring the resilience and compliance of all network services. Responsibilities : As our Senior Network Engineer, you will: Design, deploy, and maintain LAN/WAN infrastructure across corporate offices, data centres and all Dalkia sites. Configure, manage, and troubleshoot network security appliances and firewalls, particularly Fortinet FortiGate. Maintain and optimise switching and routing environments. Support and enhance SD-WAN solutions, ensuring high availability and performance across More ❯

employee-owned business in 2024 and are working hard collectively to deliver our mission. Overview of the Role This is a full-time, client-site role embedded within the Network Engineering team of a global technology firm with over 20,000 employees. The Network Consultant will be responsible for supporting the client’s ongoing network refresh and … upgrade programme across EMEA, as well as new network deployments into offices throughout the region. The role is implementation-focused, working within established network design and technology standards defined by the client. The successful candidate will demonstrate strong technical delivery and project coordination skills, with the ability to plan, document and execute network changes methodically in live … cutover activities, and occasional weekend work may be necessary for which time off in lieu (TOIL) will be provided. Responsibilities Work full-time as part of the client’s Network Engineering team to deliver the EMEA network refresh and deployment programme. Oversee implementation of new and replacement network devices in line with client technology standards. Produce and More ❯

Enterprise Network Engineer, Cisco, FortiGate, Azure, Global Infrastructure, Hybrid, COR7352 We are seeking an Enterprise Network Engineer to join a global, forward-thinking technology-driven organisation, working on a hybrid basis! This is an excellent opportunity for an experienced network specialist to support and enhance large-scale enterprise and cloud networks, contributing to critical IT projects and … infrastructure modernisation initiatives. The Opportunity As an Enterprise Network Engineer, you will be responsible for the design, management, optimisation, and support of global network and cloud systems. You’ll work with a variety of technologies including Cisco switches, FortiGate firewalls, SD-WAN, and Azure cloud networking to ensure performance, security, and scalability across hybrid environments. This role offers … hands-on involvement in monitoring, troubleshooting, lifecycle management, and disaster recovery planning. You’ll also collaborate with global teams and external providers, helping to drive operational excellence and resilience. The Company The Company, a joint research venture between two of the world’s best-known brands, has a reputation for excellence. With headquarters in the UK, they offer a More ❯

and on-prem systems Configure and maintain firewalls, routers, and switches to ensure security, reliability, and optimal performance across production and disaster recovery environments Lead cybersecurity initiatives focused on network segmentation, access control, and intrusion prevention Build, mentor, and manage a high-performing infrastructure and DevOps team, fostering a culture of excellence, automation, and reliability Partner with software engineers … markets environments Proven experience building and leading infrastructure or DevOps teams Hands-on expertise in AWS architecture, migration, and hybrid (cloud + on-prem) environments Deep technical background in network design, routing, switching, and firewall configuration Strong understanding of network latency, throughput, and optimisation for trading systems Familiarity with network monitoring and troubleshooting tools (e.g., Wireshark … CloudFormation CI/CD pipeline management with GitLab CI Advanced networking: BGP, OSPF, VLANs, VPNs, MPLS, SD-WAN, and cross-region connectivity Firewall administration (Cisco ASA or similar) and network access control Monitoring, logging, and observability (Prometheus, Grafana, CloudWatch, ECS, etc.) Linux and Windows systems administration IT infrastructure management: Active Directory, Microsoft services, networking, and on-prem systems More ❯

engineers embedding best practice in every area. Strong background in IT infrastructure, cloud environments, and cybersecurity operations. Hands-on experience with tools such as SIEM, DLP, endpoint protection, and network monitoring. Skilled in networking fundamentals firewalls, VPNs, routers, LANs, and intrusion detection. Free standard class leisure travel for you and eligible dependants across several major rail operators. Defined Benefit More ❯

of continual security improvement. Main Skills Needed: Strong background in IT infrastructure, cloud environments, and cybersecurity operations. Hands-on experience with tools such as SIEM, DLP, endpoint protection, and network monitoring. Knowledge of frameworks including ISO27001, GDPR, NIS2, and MITRE ATT&CK. Skilled in networking fundamentals — firewalls, VPNs, routers, LANs, and intrusion detection. Relevant certifications such as SC More ❯

of continual security improvement. Main Skills Needed: Strong background in IT infrastructure, cloud environments, and cybersecurity operations. Hands-on experience with tools such as SIEM, DLP, endpoint protection, and network monitoring. Knowledge of frameworks including ISO27001, GDPR, NIS2, and MITRE ATT&CK. Skilled in networking fundamentals — firewalls, VPNs, routers, LANs, and intrusion detection. Relevant certifications such as SC More ❯

of continual security improvement. Main Skills Needed: Strong background in IT infrastructure, cloud environments, and cybersecurity operations. Hands-on experience with tools such as SIEM, DLP, endpoint protection, and network monitoring. Knowledge of frameworks including ISO27001, GDPR, NIS2, and MITRE ATT&CK. Skilled in networking fundamentals firewalls, VPNs, routers, LANs, and intrusion detection. Relevant certifications such as SC More ❯