1 to 25 of 38 Network Monitoring Jobs in the South East

We are seeking a highly skilled and experienced Network Analyst/Architect to join our dynamic IT team. The ideal candidate will play a crucial role in designing, implementing, and optimizing our enterprise network infrastructure, with a strong focus on cloud networking, automation techniques, and traditional network architectures. You will be responsible for ensuring the seamless integration … of cloud-based and on-premise networking technologies, driving performance, scalability, and security across the entire network environment. This position demands a forward-thinking professional who can lead in developing innovative solutions while maintaining and improving our current systems. You will collaborate with IT colleagues, external vendors, and key business stakeholders to ensure that the network infrastructure aligns … with our organization's strategic goals and technology initiatives. Key Responsibilities: Design, Implement, and Manage Network Infrastructure Lead the design and deployment of robust, scalable, and high-performing network architectures, including LAN, WAN, WiFi, and cloud networking solutions. Expertise in routing, switching, and network segmentation to support business operations across multiple sites and cloud environments. Design and More ❯

Network Engineer - Zabbix Specialist 6 Month Contract - Inside IR35 Remote About the role Our Retail client is seeking a Network Engineer with deep expertise in Zabbix to lead the migration of legacy network monitoring tools to a modern, supported platform. This role supports the Network Tooling Refresh initiative, focused on replacing end-of-life tools … with a robust Zabbix-based solution. You'll be instrumental in designing, developing, and implementing Zabbix to replace Cacti Monitoring and a bespoke Branch Asset Tracker, ensuring seamless integration within a Cisco network environment. Key Responsibilities 1. Tool Migration & Integration Refactor existing tools (Cacti & Branch Asset Tracker) into Zabbix Configure SNMP-based data collection and visualisation 2. Design … Documentation Contribute to High-Level Design (HLD) Deliver Low-Level Design (LLD) documentation 3. Development Tasks Build and configure Zabbix proxies via code Update network devices to communicate with Zabbix via SNMP. Onboard devices into Zabbix and build custom dashboards. 4. Testing & Implementation Develop and execute test plans Manage change control and deployment Provide post-deployment support 5. Service More ❯

The Wireless Network Engineer will design, implement, optimize, and maintain robust and secure network infrastructure for enterprise environments. This role requires expertise in managing extensive network systems with a focus on routers, switches, firewalls, and advanced data networking solutions. The candidate will also play a strategic role in cloud connectivity, hybrid solutions, and SD-WAN deployments, ensuring … high availability, reliability, and performance across global network infrastructure. Key Responsibilities: 1. Network Infrastructure Management: Manage, configure, and troubleshoot routers, switches, and firewalls to ensure secure and reliable connectivity. Support User VPN configurations and optimize secure remote access. Deploy and manage load balancers, DDI services (DNS, DHCP, IPAM), NTP, and LAN controllers. 2. Advanced Network Solutions: Manage … maintain optimal data flow and performance. Oversee SD-WAN deployments and ensure seamless integration with hybrid cloud solutions. Contribute to cloud connectivity and hybrid infrastructure engineering efforts, ensuring enterprise network modernization. 3. Strategic Architecture and Engineering: Lead strategic architecture and engineering initiatives for large-scale network systems. Collaborate on design and implementation of next-generation networking solutions, including More ❯

Infrastructure Solutions (EIS) team designs, builds, operates, and maintains district heating and local energy networks across the UK — helping cities, communities, and businesses decarbonise their energy use. As a Network and Communication Engineer, you’ll play a vital role in maintaining and improving the digital backbone of our district heating networks. You’ll make sure our sites and assets … of the against service SLA’s/KPI’s and associated service definition commitments. Assist in scheduling maintenance to optimise resources and minimise downtime. Configure Layer 2 and 3 network switches, firewalls, and IP networks for adopted assets. Develop and maintain digital monitoring systems and cloud-based configurations (VPN, firewall, network monitoring). Oversee large-scale … VPN network performance and connectivity. Conduct GSM/LTE surveys, configuration, and failover testing. Supervise on-site contractors and ensure safe, compliant delivery of work. Produce technical documentation, internal engineering standards, and reports to support projects and incidents. Participate in the out-of-hours on-call rota to support operational continuity. What we need from you Proven experience in More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Job Title: Network Engineer (Juniper Specialist) - Consultancy Location: Crawley, Hybrid (On-site + Remote) Contract Length: 6 months with possible extension Rate: e.g., 400 per day Inside IR35 Start Date: ASAP Requirement: Experis have recently signed an exclusive agreement with a large public sector/NHS consultancy and are seeking an interim resource to support a large Network related project. We are seeking an experienced Network Engineer with in-depth Juniper expertise to join the project on a contract basis. This role will focus on maintaining, optimising, and securing complex network infrastructures across multiple NHS and corporate sites, ensuring resilience, performance, and security for critical healthcare systems. Key Responsibilities Design, configure, and support Juniper-based … network infrastructure across multiple sites. Implement network upgrades, migrations, and security enhancements in line with NHS standards. Troubleshoot and resolve network performance, connectivity, and security issues. Collaborate with IT security, systems, and application teams to support clinical operations. Ensure compliance with NHS Digital and internal security protocols. Provide documentation, knowledge transfer, and technical guidance to internal staff. More ❯

Job Title: Network Engineer (Juniper Specialist) - Consultancy Location: Crawley, Hybrid (On-site + Remote) Contract Length: 6 months with possible extension Rate: [e.g., £400 per day Inside IR35 Start Date: ASAP Requirement: Experis have recently signed an exclusive agreement with a large public sector/NHS consultancy and are seeking an interim resource to support a large Network related project. We are seeking an experienced Network Engineer with in-depth Juniper expertise to join the project on a contract basis. This role will focus on maintaining, optimising, and securing complex network infrastructures across multiple NHS and corporate sites, ensuring resilience, performance, and security for critical healthcare systems. Key Responsibilities Design, configure, and support Juniper-based … network infrastructure across multiple sites. Implement network upgrades, migrations, and security enhancements in line with NHS standards. Troubleshoot and resolve network performance, connectivity, and security issues. Collaborate with IT security, systems, and application teams to support clinical operations. Ensure compliance with NHS Digital and internal security protocols. Provide documentation, knowledge transfer, and technical guidance to internal staff. More ❯

IT Systems & Network Engineer - London based Financial Services SME - Salary up to £65,000 plus benefits including annual bonus and 10% non-contributory pension - Hybrid role (3 days a week in the London office) - Hours: 8.30am - 4.30pm Monday - Friday A well established financial services company is looking to add a Senior Systems Engineer to its small IT team in … to join a friendly team and have exposure to 'all areas IT'. Duties will include: - IT user support for bank staff - IT projects and system upgrades/migrations - Network monitoring and troubleshooting - Maintaining network and server infrastructure (including system/OS upgrades) - Assist with disaster recovery - IT security - implement cyber security policies and controls. Analyse vulnerabilities … line IT support background, ideally within an SME and in financial/professional services - Windows Server (Active Directory, Group Policy) - Azure cloud - Virtualisation (VMware/Hyper-V) - Storage administration - Network support experience (including routing and switching) - IT security (antivirus, SIEM, vulnerability scanning, IAM, Firewalls) - Database administration More ❯

/Server Operating Systems, MS Office Suite & M365, Exchange, Teams Telephony, Active Directory, Firewalls (Palo Alto), VMware vSphere, Hyper-V, SAN, Citrix, SQL Server, Aruba/Extreme Wireless, PRTG network monitoring• Virtualisation practices from a build, install, configure level through to standard support• A good grasp of TCP/IP networking• The ability to install and decommission a … range of hardware Including laptops, printers, PC’s, monitors, servers and network equipment• Great communication skills (in person and via telephone), excellent written and spoken English is essential• Personable, with the ability to build rapport with a team of IT technicians. The candidate will be required to integrate within both the Krome technical team and client IT departments• Must … be capable of learning a new customer network rapidly. Training and time will be given to absorb such material, but the ability to learn and adapt quickly is a must• The successful candidate will be a punctual and thorough worker, with astute attention to detail• Strong academic background – a Bachelor’s degree or related IT qualifications would be highly More ❯

to join a friendly team and have exposure to 'all areas IT'. Duties will include: - IT user support for bank staff - IT projects and system upgrades/migrations - Network monitoring and troubleshooting - Maintaining network and server infrastructure (including system/OS upgrades) - IT systems and network security - Vendor management - Automation To be considered suitable you … will need the following skills/experience: - 3rd line IT support background, ideally within an SME environment - Windows Server (Active Directory, Group Policy) - Azure - Network support experience (including routing and switching) - IT security (antivirus, SIEM, vulnerability scanning, IAM, Firewalls More ❯