1 to 25 of 69 Network Engineer Jobs in Central London

Network Engineer Hybrid (2 days a week) Contract (6+ Months) Inside IR35 Canary Wharf, UK Knowledge, skills, and abilities A solid network/security/cloud engineer with a strong focus on cloud hosted environments within AWS and Azure as well as excellent skills in firewall deployment, routing and switching. In-depth knowledge of design, implementation … support for solutions delivered by the engineering function in line with existing IT service management processes. Act as an escalation point, for the managed service, for problems pertaining to network technology and with a view to re-engineering. Perform all changes to organisation standards across the whole network stack, including cloud, on-premises datacenters, including internet edge and … ACI Fabric, branch, WAN, and operate CSM/FMC to deploy firewall rules where required. To design and implement network connectivity between on premise datacenters and the cloud and within the cloud. This will require an extensive knowledge of Direct Connect, leveraged through Equinix Fabric and familiar with AWS DX gateways, AWS Transit Gateways (TGW) and site-to-site More ❯

ForeScout Network Consultant - Hybrid Our client, a leader in the financial services industry, are looking for a Forescout Network Consultant to join the team on a contract basis at their office in London - hybrid working MUST HAVE FORESCOUT NAC EXPERIENCE Key Skills: Exper ience in the management and operational support of Forescout NAC Experience working in a network infrastructure team as a hands-on NAC network engineer Broad operational and project engineering support for all aspects of enterprise IT networks Experience working with Juniper, Cisco, Meraki, AV systems such as MS Teams, and Palo Alto technologies Experience assisting design builds including network hardware, IP addressing, firewall rule-sets, testing and roll-out Experience working … Active Directory, DHCP, DNS and MFA Experience working with peer infrastructure teams supporting an Azure cloud hosted environment Experience working with global WAN providers Experience working as part of network team responsible for an international enterprise network Good working knowledge of diagnosing, troubleshooting and resolving all types of cabling, LAN/WAN, routing, WiFi and firewall related faults More ❯

We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a vital role in implementing and managing WAN solutions and network migration tasks across both physical and cloud … platforms. This role offers an exciting opportunity to work with cutting-edge technologies. Key Responsibilities: WAN Solutions Implementation: Hands-on implementation of Wide Area Network (WAN) solutions, managing network migration tasks on both physical and cloud-based platforms (Azure, AWS, Google Cloud). Cloud Networking: Manage and configure cloud-based virtual networks on platforms such as Azure, AWS … resources. Networking Technologies: Configure, support, and troubleshoot WAN technologies Cloud Automation (Terraform): Develop and manage Infrastructure-as-Code (IaC) solutions using Terraform for cloud infrastructure deployments, scaling, and management. Network Services Management: Oversee the deployment and support of network services, including but not limited to DHCP, DNS, IPAM, and IP-based network configurations. Virtual Server Technologies: Experience More ❯

We are looking for a highly skilled and motivated Infrastructure Network Engineer to join a dynamic IT infrastructure team. My client works across multiple sectors to include, Health, Energy, Finance and Energy. As a key contributor, you will play a vital role in implementing and managing WAN solutions and network migration tasks across both physical and cloud … platforms. This role offers an exciting opportunity to work with cutting-edge technologies. Key Responsibilities: WAN Solutions Implementation: Hands-on implementation of Wide Area Network (WAN) solutions, managing network migration tasks on both physical and cloud-based platforms (Azure, AWS, Google Cloud). Cloud Networking: Manage and configure cloud-based virtual networks on platforms such as Azure, AWS … IP networking, including subnetting, addressing schemes, and routing protocols. Cloud Automation (Terraform): Develop and manage Infrastructure-as-Code (IaC) solutions using Terraform for cloud infrastructure deployments, scaling, and management. Network Services Management: Oversee the deployment and support of network services, including but not limited to DHCP, DNS, IPAM, and IP-based network configurations. Virtual Server Technologies: Experience More ❯

Overview of role As Senior Network Product Engineer, you will be responsible for enhancing our technical product line, working alongside Architects and Developers to build our products, with a focus on networking and network technologies. In addition to your technical responsibilities, you will play a critical role in reviewing the wider market, identifying opportunities and new solutions … we can offer to our customers. Responsibilities Architecture & Design Lead the design and implementation of complex, scalable, and secure network solutions for our product line. Define and document our network products, and evaluate against industry best practices. Evaluate and select appropriate technologies, vendors, and tools for both client and internal projects. Innovation & Product Engineering Identify emerging trends and … opportunities in network technologies (e.g., SD-WAN, SASE, NaaS). Collaborate with product teams to develop and refine managed networking services and offerings. Prototype and test new networking solutions and automation strategies to enhance service delivery. Act as the technical escalation for internal stakeholders, answering both technical and non-technical queries around our network offerings. Collaboration & Leadership Work More ❯

Network Engineer Consultant (Campus Routing and Switching) - This role is open to the following locations in UK : London , UK Edinburgh , UK Description: The Network Engineer Consultant will be responsible for designing, implementing, and maintaining the network infrastructure of our organization. This role requires a deep understanding of routing and switching technologies to ensure the efficient … and secure transfer of data across the network. It will support the Unified Communication (UC) teams’ program of work focusing on network engineering aspects. Responsibilities: Design and implement functional network infrastructure (routing, switching, Wi-Fi) that ensures the integrity and availability of information and access. Work alongside the UC team covering network aspects for the delivery of … Supporting the UC teams migration of on-prem Cisco UC infrastructure to Cisco hosted or Cloud solutions. QoS implementations to aid the changing UC landscape with and Wide Area Network capacity planning and upgrades Rollout of Cisco ThousandEyes monitoring across the network Troubleshoot network issues and outages, schedule upgrades, and collaborate with network architects on network More ❯

Senior Network Engineer – £95,000 + 20% Bonus – Financial Services – London (Hybrid) Overview: A global business operating within the Financial Services sector are searching for an experienced Senior Network Engineer to join one of their growing teams in London on a hybrid basis. Role & Responsibilities: Lead or contribute to the technical delivery of various network … systems and preventative measures taken to reduce system downtime. Write post incident review documents and suggest/implement recommendation plans to reduce/prevent further incidents. Test business applications, network, and server performance, provide performance statistics and reports, develop strategies for maintaining and improving core infrastructure. Adherence to all IT security policies and assistance in enforcing and monitoring of … Be able to spot potential vulnerabilities and suggest resolution. Evaluate, design, maintain, infrastructure systems, including LANs, WANs, Internet, intranet, security, and incident and change management systems. Technical Requirements: Experienced engineer with at least CCNP level certification or above Design and architect enterprise-level network solutions including LAN, WAN, WLAN, and data center networks 5 years minimum experience as More ❯

Location: London (Hybrid) Employment Type: Permanent Job Title: Senior Network Engineer This Senior Network Engineer will be responsible for designing, implementing, and managing secure, low-latency, and scalable network infrastructure across both cloud and physical environments and will be a critical hands-on engineering role within a fast-moving digital asset business. The ideal candidate … will bring deep expertise in AWS cloud networking, traditional datacentre networking, and modern network security practices. They will collaborate across infrastructure, security, and DevOps teams to ensure reliability, automation, and performance —spanning trading platforms, asset management systems, and internal services. Role Responsibilities Cloud & On-Prem Network Infrastructure Lead the design, deployment, and operation of complex cloud (AWS & Azure … and on-prem network infrastructure. Architect and optimise connectivity for low-latency systems and ensure secure, scalable networking between platforms, datacentres, and cloud environments. Manage VPNs, segmentation, and hybrid environments. Infrastructure as Code & Automation Develop and maintain an automation framework using Terraform, Ansible, and other IaC tools. Build and manage network provisioning, compliance checks, and configuration drift remediation More ❯

Harris Global are currently looking for a Network Engineer to join our well known client on a permanent basis. This role will require strong all round networking skills and proven experience in routing, switching and firewall technologies. This is a hands on, technical role where you’ll be responsible for maintaining, securing and optimising a complex network … to-day operations. Candidates must possess a valid CCNP and have full eligibility to work in the UK without sponsorship. Responsibilities: Ensure the stability, availability and security of the network estate (LAN/WAN/Wi-Fi/Firewall) Lead on routing and switching configurations and troubleshooting (OSPF, BGP, VLANs, STP, etc.) Manage firewalls (Checkpoint, Cisco ASA/FTD … documentation Be part of an on-call rota (1 in 4) Key skills: Valid CCNP certification (R&S ideally) Strong hands on knowledge of routing protocols, switching and Cisco network infrastructure Proven experience working as a Network Engineer in a mid-large sized organisation Experience supporting hybrid cloud networks (AWS/Azure), VPNs and SD-WAN technologies More ❯

Senior Network Engineer We are seeking a skilled and proactive Senior Network Engineer to support the design, implementation, and maintenance of a secure, multi-site network infrastructure. This role involves managing end-to-end networking projects, troubleshooting complex issues, and contributing to the continuous improvement of network performance, security, and scalability. Key Responsibilities Lead … and execute a range of network infrastructure projects, including upgrades and new implementations. Develop and document detailed requirements for enhancements to existing network hardware and configurations. Participate in the planning, testing, and deployment of production and non-production network devices and services. Troubleshoot complex network communication issues and provide advanced technical support to operations teams. Manage … project timelines, resources, and deliverables—ensuring coordination across multiple teams and stakeholders. Identify and mitigate risks related to network design, implementation, and compliance throughout the project lifecycle. Collaborate cross-functionally with internal teams to gather requirements, overcome technical barriers, and deliver solutions. Support and engage with change management and operational processes. Liaise with third-party vendors, supporting procurement, performance More ❯

Job Title: Network Engineer – Cisco & ThousandEyes Implementation Contract: 6-Month Contract (Inside IR35) Location: London (Onsite 3 Days per Week) Rate: £400 per day (Inside IR35) Start Date: ASAP Job Description: We are seeking an experienced Network Engineer with proven expertise in Cisco networking technologies and hands-on experience implementing Cisco ThousandEyes . This is a … key role supporting a complex enterprise network environment, working closely with cross-functional teams including Unified Communications (UC), Security, and Infrastructure. This is a 6-month contract role, based onsite in London 3 days per week , with a daily rate of £400 (Inside IR35) . Key Responsibilities: Architect and implement Cisco ThousandEyes monitoring and visibility solutions. Manage and support … a robust enterprise network with a strong focus on routing, switching, and wireless (Cisco WiFi) . Provide support for network-related aspects of Microsoft Teams and Cisco telephony systems , including QoS tuning and circuit capacity planning . Work collaboratively with the UC team to troubleshoot and resolve voice/video network performance issues. Administer and support Cisco More ❯

IT services company based in Central London, providing innovative networking solutions to a diverse range of clients. As part of our continued growth, we are looking for a Junior Network Engineer/Network Technician to join our technical team. This is an excellent opportunity for an individual with a passion for networking and IT infrastructure who is … eager to develop hands-on experience in a dynamic environment. Role Overview As a Junior Network Engineer , you will assist in maintaining, troubleshooting, and improving network infrastructure. You will work closely with senior engineers to support network operations, resolve connectivity issues, and gain exposure to cutting-edge networking technologies. Key Responsibilities Assisting in the installation, configuration … and maintenance of network hardware (routers, switches, firewalls) Monitoring network performance and troubleshooting connectivity issues Supporting LAN, WAN, and Wi-Fi networks across different environments Diagnosing and resolving network faults, escalating complex issues when necessary Assisting with network security configurations, including firewalls and VPNs Performing routine maintenance, updates, and system checks Documenting network setups, troubleshooting More ❯

Network Engineer - NetApp/Fortinet, FortiClient - London Candidates MUST have experience of NetApp SAN Storage and also Fortinet/Forticlient experience. 3 days per week in the office Based in London, UK and reporting to the Global Head of IT Operations & Chief Information Security Officer, this newly created role will be a versatile and detail-oriented Network Engineer who will manage and support enterprise networking infrastructure with additional exposure to SAN storage technologies, particularly NetApp. Network Infrastructure Management Configure, manage, and troubleshoot Cisco switches and routers Administer Fortinet firewalls and Fortinet-managed switches, including NAC (Network Access Control) integrations Monitor network performance, availability, and capacity, using tools such as SNMP, syslog, and … NetFlow, Logicmon Security and Access Control Enforce security best practices for perimeter and internal network defense Configure and maintain Firewall rules, VPN tunnels, and access control lists Storage Networking (SAN) Support and manage NetApp SAN infrastructure Proven experience as a Network Engineer in an enterprise environment Proficient with Cisco routing and switching, Fortinet firewalls and switches, and More ❯

Senior Network Engineer – CONTRACT – London up to £1000 per day - based on experience A skilled Network Engineer is required to support high-performance network initiatives within a fast-paced financial services environment. This urgent contract opportunity focuses on automation-first network infrastructure design across hybrid cloud, data centres, and low-latency environments. You’ll … join a highly capable team delivering strategic upgrades to core network services—leveraging automation, SDLC best practices, and infrastructure-as-code to drive scalable and secure architectures. The requirements are as follows: CCNP-certified with strong hands-on experience across enterprise networking Deep expertise in BGP and routing design, ideally supported by CCDP or equivalent Proficiency with Cisco IOS … XR, Cisco NX-OS, and/or Arista EOS Experience with WAN/OTN networks, and knowledge of Juniper and/or Nokia platforms Familiarity with network automation using Python and Ansible (Day-1/Day-2 operations) Understanding of CI/CD, SDLC workflows, and secure-by-design principles Exposure to low-latency or trading networks is highly More ❯

An elite global hedge fund are now seeking a Network Engineer to work on it’s trading infrastructure. To apply, you will ideally be CCNP qualified with a strong background in low latency and multicast networks. Our client is a leading global market maker with an emphasis on technology to match. They seek an experienced profile who would … look to build ultra-fast and reliable connectivity to proprietary trading technology, invariably around a bleeding edge Cisco environment. What you'll be doing: Design, deploy and troubleshoot global network infrastructure Design industry leading networks Implement optimisations to build low latency network Work on network redesign, expansion and upgrade Support trading teams in relation to high frequency … Automation, capacity planning and connectivity advancement Manage network expansion, upgrades and support Provide expert support to high frequency trading teams What exposure you'll ideally have: LAN/WAN, Data Centres Cisco, Juniper, Arista BGP, OSPF, multicast, TCP/UDP Automation and Python scripting, Ansible Linux operating systems Financial/Trading environment Cisco CCNP level equivalent experience in a More ❯

Role - Senior Network Engineer Location - London, UK (Hybrid) Type - Permanent Job Description: Responsibilities: • Manage and implement a range of network projects. • Develop detailed requirements for upgrading existing production, corporate and non-production network devices. • Participates in the planning and implementing upgrading existing production and corporate and non-production network devices. • Completes network communications troubleshooting … the necessary information to complete the project and overcome obstacles. • Engagement with the change process and operations management. • Supports Vendor management. • Identifies service improvement activities that would optimise the network's performance, efficiency, and capacity. • Performs baseline checks on new hardware to ensure it complies with company standards and aligns with the current security posture. • Support peers with knowledge … Experiences - Networking, including LAN/WAN - Firewalls - Security and encryption technologies - Load Balancing • Experience with TCP/IP protocol communications. • Broad knowledge of Cisco’s product portfolio. • Knowledge of Network diagnostics, BGP, SNMP, VPN, SSH, MPLS technologies. • Work in a heavily regulated environment with DSS/PCI compliance. Skills/Abilities: • Strong verbal and written communication skills. • Self-starter More ❯

Senior Network Engineer Overview • Supports and assists with the design, architecture, implementation, security and support of a multi-site network communication environment. Role Responsibilities: • Manage and implement a range of network projects. • Develop detailed requirements for upgrading existing production, corporate and non- production network devices. • Participates in the planning and implementing upgrading existing production and … corporate and non-production network devices. • Completes network communications troubleshooting and provides in-depth technical assistance with operational problems. • Supports assigned projects, which include responsibility for planning, time, resource utilization and implementation of changes (in and out of core hours). Identifying risks relating to the project, escalating potential concerns, and helping to prevent further design updates and … the necessary information to complete the project and overcome obstacles. • Engagement with the change process and operations management. • Supports Vendor management. • Identifies service improvement activities that would optimise the network's performance, efficiency, and capacity. • Performs baseline checks on new hardware to ensure it complies with company standards and aligns with the current security posture. • Support peers with knowledge More ❯

Job Title: Senior Network Engineer Delivery & Migrations Location: England (Home based with client visits across England). Salary: Up to £55,000 basic salary plus great benefits package Sector: Consultancy/Solution Provider The Company Our client is a professional services consultancy who specialise in providing businesses with software defined solutions, network assurance, network automation and … interesting projects in both the public and private sectors. Technology Partners Cisco/Meraki VM Ware Palo Alto Fortinet Juniper Aruba/HPE Microsoft AWS Role Snapshot As Senior Network Security Engineer you be an integral member of the delivery and migrations team. The role will entail assisting with migrations, day-to-day delivery tasks and providing ongoing … looking to take a step up from a BAU role, with the ambition to widen their remit in projects and delivery. Key Responsibilities Assisting with delivery and migration of network, data centre and security solutions. Provide exceptional customer services. Contribute to knowledge centre and keep documentation up to date. Be willing to work in a vendor agnostic environment and More ❯

Join us a Network Engineer at Peregrine Resourcing. At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business Analysts in large government organisations to Software Developers in the private sector we are always in search of the best talent to place … you will be deployed across our portfolio of clients as a specialist consultant, working on a wide array of complex projects across multiple industries. The Role: The Level 3 Network Engineering team is responsible for ensuring availability, performance, and security of the network infrastructure. As a member of the team, you have a direct impact on network … keep our systems running smoothly. You are focused on creating engineering solutions to operations problems, optimizing existing systems, building infrastructure, and eliminating work through automation. You also ensure that network operations are safe and efficient by monitoring network performance, coordinating planned maintenance, adjusting hardware components, and responding to network connectivity issues. Our ideal candidate is highly autonomous More ❯

Layer 2 and Layer 3 concepts. Knowledge of ACI Fabric’s would be useful including automation and scripting. ISE NAC and monitoring tools such as Solarwinds. Solid understanding of network fundamentals: This includes knowledge of network protocols (TCP/IP, BGP, OSPF), different network devices (routers, switches, firewalls), and network architectures (LAN, WAN, WLAN). Network device configuration: The ability to configure routers, switches, firewalls, and other network equipment using vendor-specific commands or tools. Troubleshooting and problem-solving: Network engineers must be adept at identifying, diagnosing, and resolving network issues that can arise from hardware, software, or configuration problems. Familiarity with network monitoring tools Good understanding of security principles: knowledge … of security concepts for firewall, VPN’s, data etc to maintain a healthy network. Roles and Responsibilities: Installing and configuring network devices: This involves setting up routers, switches, firewalls, and other network equipment according to network specifications. Troubleshooting network issues: When network problems arise, network engineers diagnose the cause and implement solutions to restore More ❯

Senior Network Engineer – Juniper - 6 Month Contract As a Juniper Network Engineer, you will be responsible for designing, deploying, managing, and troubleshooting Juniper-based network solutions. You’ll work with a team of network professionals to ensure seamless operations, optimize performance, and maintain the highest levels of security and uptime. Key Responsibilities: Design, configure … and maintain Juniper routers, switches, and firewalls (MX, EX, SRX series) Implement and troubleshoot BGP, OSPF, MPLS, and VPN solutions Monitor network performance and perform tuning to ensure optimal efficiency Ensure network security through policies, firewall rules, and regular audits Perform firmware upgrades, patching, and regular system maintenance Provide Tier 2/3 support and troubleshooting for escalated … network issues Maintain comprehensive documentation of network architecture and configurations Work collaboratively with internal teams and external vendors Required Skills and Qualifications: Proven experience with Juniper networks Strong hands-on experience with Junos OS Solid understanding of routing protocols (BGP, OSPF, RIP, MPLS) Experience with network security, firewall configurations, and VPNs Familiarity with network monitoring tools More ❯

Do you want to work with one of the most well known asset management firms globally? Our client is seeking a highly skilled and experienced Senior Network Engineer to join there dynamic team. The successful candidate will play a key role in designing, implementing, and maintaining the network infrastructure to ensure optimal performance and reliability. Responsibilities: Design … implement, and maintain our network infrastructure to meet the company's performance and reliability requirements. Troubleshoot network issues and implement solutions in a timely manner. Collaborate with cross-functional teams to support various projects and initiatives. Must Haves: Bachelor's degree in Computer Science, Information Technology, or related field. CCNP OR CCIE Strong understanding of networking protocols and More ❯

Senior Network Engineer-London-Hybrid-Permanent Overview • Supports and assists with the design, architecture, implementation, security and support of a multi-site network communication environment. Experiences • Three to five years of overall IT experience in the following areas: - Networking, including LAN/WAN - Firewalls - Security and encryption technologies - Load Balancing • Experience with TCP/IP protocol communications. … Broad knowledge of Cisco’s product portfolio. • Knowledge of Network diagnostics, BGP, SNMP, VPN, SSH, MPLS technologies. • Work in a heavily regulated environment with DSS/PCI compliance. Skills/Abilities: • Strong verbal and written communication skills. • Self-starter with demonstrated listening skills. • Serves as a mentor to lower-level employees, leads others, and uses good judgment. • Limited supervision More ❯

SD-WAN Project Deployment Engineer Contract Duration: 6 Months Initially Location: London - Hybrid Working Model with some potential oversea's travel. Job Type: Contract Salary: £600-650 INSIDE IR35. We are seeking an experienced SD-WAN Network Engineer to join our infrastructure team as they transform our global WAN environment. This role is key to the successful … technical deployment of SD-WAN across 30+ global sites, following global standards and security protocols. Configure and manage Fortinet SD-WAN devices, ensuring seamless migration from Ipanema. Collaborate with network architects and global infrastructure teams to ensure alignment with the broader WAN strategy. Work with local teams to ensure site readiness, perform site surveys (as needed), and coordinate testing … and failover validation. Maintain and update network documentation, including topology diagrams and change records. Monitor and optimise SD-WAN performance, using telemetry and analytics tools to ensure reliability and performance. Troubleshoot network issues and liaise with internal teams and external vendors to resolve problems quickly. Support firewall and routing policies consistent with corporate standards. Participate in change management More ❯

Contract Network Infrastructure Engineer – Cisco Rate: £450–£500/day Type: Contract (6 months+) IR35: Outside IR35 Location: London - Remote (UK-based) We're looking for a Cisco Infrastructure Engineer to support the deliv e ry of enterprise-grade network infrastructure across major hyper-scale IT construction projects. This role forms part of our IT Construction … new build environments (e.g. DCs, fit-out, smart buildings) is advantageous Desirable Experience • Cisco Meraki experience within enterprise deployments • Cloud networking exposure (Azure/AWS networking and security integration) • Network automation or scripting (Python, Ansible) Contract Overview • Initial Term: 6 months (with strong extension potential) • IR35 Status: Outside IR35 • Work Style: Fully remote (UK-based) • Interview Process: Streamlined – immediate … start available Apply Today If you're a Cisco-certified infrastructure engineer with a passion for build- ing secure, scalable, and robust enterprise networks — we'd love to speak with you. Apply now or reach out to our team directly to find out more. More ❯