1 to 25 of 407 Permanent Network Engineer Jobs in England

you're just starting out in your career or looking to progress as an industry professional, Node4 has a place for you. About the role As a Senior Platform Network Engineer, you will operate as a senior member of the Network Infrastructure team with ownership of delivering and maintaining our service provider platform, including core MPLS infrastructure … team in change control and technical governance processes and help ensure our platform evolves securely and reliably. What will you bring? Technical Experience Good experience in a hands-on network engineering role within a service provider or enterprise environment. Deep knowledge of MPLS, BGP, OSPF, Segment Routing (MPLS-SR), and EVPN in a multi-site network. Experience working with … edge infrastructure across data centres and PoPs. Hands-on experience with Juniper (MX, EX, SRX), Cisco, and Fortinet platforms. Comfortable with firewalls, SD-WAN (especially Fortinet), and multi-tenant network security. Exposure to automation tooling and scripting (Ansible, Python) beneficial. Certifications (or demonstrable technical capability equivalent to certification level) Juniper JNCIS/JNCIP/JNCIE Cisco CCNP/CCIE More ❯

you're just starting out in your career or looking to progress as an industry professional, Node4 has a place for you. About the role As a Senior Platform Network Engineer, you will operate as a senior member of the Network Infrastructure team with ownership of delivering and maintaining our service provider platform, including core MPLS infrastructure … team in change control and technical governance processes and help ensure our platform evolves securely and reliably. What will you bring? Technical Experience Good experience in a hands-on network engineering role within a service provider or enterprise environment. Deep knowledge of MPLS, BGP, OSPF, Segment Routing (MPLS-SR), and EVPN in a multi-site network. Experience working with … edge infrastructure across data centres and PoPs. Hands-on experience with Juniper (MX, EX, SRX), Cisco, and Fortinet platforms. Comfortable with firewalls, SD-WAN (especially Fortinet), and multi-tenant network security. Exposure to automation tooling and scripting (Ansible, Python) beneficial. Certifications (or demonstrable technical capability equivalent to certification level) Juniper JNCIS/JNCIP/JNCIE Cisco CCNP/CCIE More ❯

Job Title: Network Engineer Level 3 Location: London, UK Duration: 6-month contract (Inside IR35) Working Mode: Hybrid Job Description: This position is responsible for supporting the design, configuration, monitoring, and maintenance of network hardware, systems, and software. It includes preparing documentation for future reference and ensuring timely communication regarding network security and other issues. Essential … Duties: Develop and implement detailed logical designs in areas such as routing and switching, network security and firewalls, multicast architecture, MPLS, and SD-WAN (preferably). Develop secure network designs, maximizing the usage of routers and switches. Analyze traffic behaviors, identify, and resolve congestion or traffic issues. Establish procedures and best practices for data backups and disaster recovery … operations. Monitor network performance and determine necessary adjustments and future changes. Collaborate with internal and external customers to fill information gaps and communicate architecture, technical solutions, and DC audits. Work closely with the HQ Network team, updating the HLD and LLDs as needed, with hands-on experience in MS-Visio. Manage lifecycle activities like patching, firmware and OS More ❯

Senior Network Engineer - Hybrid Our client is urgently looking for an experienced Senior Network Engineer to join their team based in London, on a permanent basis. Please note, the role is Hybrid, with 2 days required on-site each week. You will be responsible for deploying, managing, and optimizing network infrastructure, ensuring high availability, security … as a brilliant benefits package including bonus, annual leave, leading pension scheme, private health cover, medical plan, life assurance, income protection, EV scheme and many, many more perks! Senior Network Engineer - Key Skills: Insurance or Financial Services background Network Infrastructure Deployment & Management Security & Firewall Administration SD-WAN & WAN Optimization Load Balancing & Network Optimization Wireless & LAN Infrastructure … Network Troubleshooting & Incident Response Documentation & Process Improvement Significant experience in enterprise networking, with hands-on expertise in: Palo Alto Firewalls (PAN-OS, GlobalProtect VPN, Threat Prevention) Cisco SD-WAN (Viptela/IOS XE)/Catalyst/ACI Aruba wireless networking, ClearPass NAC F5 BIG-IP (LTM, GTM, ASM) for load balancing Strong knowledge of routing protocols (BGP, OSPF, EIGRP More ❯

Role Overview As a Senior Network Engineer, you will be responsible for the design, implementation, management, and optimization of customer network environments, with a strong focus on network security and high availability. You will work closely with international teams to support operations across Europe, with regular travel to our European headquarters in Vienna, Austria. The ideal … Palo Alto, Cisco, and WatchGuard technologies, and ideally have a strong understanding of networking in the lottery or gaming sector. Your role will be critical in ensuring our customers network infrastructure supports our operational demands, regulatory requirements, and security policies. Key Responsibilities Design, deploy, and maintain robust and secure network infrastructure across multiple sites. Configure and manage firewalls … HPE, Cisco). Support and maintain Retail WAN networks using MPLS technology. Work closely with Security Operations (SecOps) team to ensure vulnerability management is maintained. Provide technical leadership in network-related projects, including capacity planning, upgrades, and security enhancements. Monitor network performance, troubleshoot issues, and implement proactive solutions to minimize downtime. Collaborate with cross-functional teams and third More ❯

Senior Network Engineer Leidos heritage companies pioneered the development of air traffic control systems in the United States more than 50 years ago. Today our systems handle 75 per cent of the air traffic in the U.S. and approximately 60 per cent of the worlds air traffic. When it comes to air traffic safety and efficiency, our proven … and we are now at the heart of the innovative development work to modernise ATM solutions. Job Description Working with the Account Architect you will design, deploy, and manage network solutions utilizing the following: Cisco ISE (Identity Services Engine) Cisco Catalyst Center (formerly DNA Center) Cisco Wireless systems leveraging 9800 Controllers Cisco SD-Access and SD-WAN Cisco SASE … services, including Umbrella and Secure Access Palo Alto firewalls Azure networking Maintain and enhance network infrastructure with advanced knowledge of: BGP and BGP Address Families MPLS technologies VPN and remote access solutions Cloud-based environments Collaborate with cross-functional teams to deliver secure and scalable networking solutions. Develop and implement network automation strategies to improve efficiency. Monitor, troubleshoot 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 ❯

seamlessly connected. By prioritizing security, reliability, and user-centric solutions, we empower OpenAI employees to drive impactful AI research, corporate operations, and product innovation. About the Role As a Network Security Engineer at OpenAI, you will play a critical role in architecting and maintaining both campus and cloud network infrastructure. You will design and implement secure, scalable … and high-performing network solutions that bridge on-premises environments with public cloud environments. Your expertise in routing and switching will ensure optimal network performance and reliability across diverse environments. You will drive automation initiatives through Infrastructure-as-Code (IaC) and GitOps methodologies, streamlining network provisioning, enforcing configuration consistency, and optimizing IT workflows. Your responsibilities will also … include developing CI/CD pipelines tailored for IT infrastructure, enhancing deployment efficiency, and integrating robust network security measures. You will establish comprehensive observability and proactive issue resolution strategies. We are seeking individuals passionate about network automation, security, and scalable IT solutions that enhance both campus and cloud network operations. You should possess extensive experience with enterprise More ❯

Job Title: Senior Network Engineer – Arista & Automation (Low-Latency DC Focus) Location: United Kingdom (Remote, with occasional site visits if needed) Day Rate: £420 - £430 (Inside IR35) Contract Type: Long-term rolling contract We are seeking an experienced Senior Network Engineer with a proven background in Arista-based data centre networks and a strong focus on … network automation . The successful candidate will join a highly technical environment supporting the design, deployment, and ongoing optimisation of low-latency, high-availability infrastructure across global data centres. You’ll work with a modern network stack (Arista EOS, CloudVision, Python, Nornir, Ansible) and interface closely with architecture, security, and DevOps teams to drive automation and resiliency in … and troubleshoot BGP, EVPN (VXLAN), and Multicast (PIM, IGMP) in complex enterprise environments. Use Arista CloudVision for orchestration, telemetry, and automated configuration management across global environments. Build and maintain network automation scripts using Python, Nornir, and Ansible, ensuring repeatability and alignment with infrastructure-as-code practices. Support large-scale hardware refreshes and migrations from Cisco to Arista, ensuring minimal More ❯

Up to c. £130k Comp Package | Hybrid Working - 4 Days in Office] Are you a network engineer who thrives on solving complex issues and building resilient infrastructure? Our client - a global multi-asset investment firm - is expanding its EMEA tech team and hiring into their enterprise support function. You’ll focus on high-level (3rd/4th line … support across offices, data centres, and cloud integrations - working closely with senior engineers and US counterparts to support a mission-critical network environment. This is a hands-on opportunity to deepen your expertise, work with next-gen tooling, and build towards senior engineering or network architecture tracks within a high-performance team... Key Responsibilities Deliver 3rd and 4th … line support across a complex global network infrastructure spanning office, data centre, and cloud environments Troubleshoot, diagnose, and resolve escalated networking issues from support teams, with a focus on performance and uptime Support, maintain and configure Cisco and Meraki networking gear across switches, routers, and wireless systems Manage Palo Alto firewalls, including monitoring, change control, and troubleshooting Assist with More ❯

Up to c. £130k Comp Package | Hybrid Working - 4 Days in Office] Are you a network engineer who thrives on solving complex issues and building resilient infrastructure? Our client - a global multi-asset investment firm - is expanding its EMEA tech team and hiring into their enterprise support function. You’ll focus on high-level (3rd/4th line … support across offices, data centres, and cloud integrations - working closely with senior engineers and US counterparts to support a mission-critical network environment. This is a hands-on opportunity to deepen your expertise, work with next-gen tooling, and build towards senior engineering or network architecture tracks within a high-performance team... Key Responsibilities Deliver 3rd and 4th … line support across a complex global network infrastructure spanning office, data centre, and cloud environments Troubleshoot, diagnose, and resolve escalated networking issues from support teams, with a focus on performance and uptime Support, maintain and configure Cisco and Meraki networking gear across switches, routers, and wireless systems Manage Palo Alto firewalls, including monitoring, change control, and troubleshooting Assist with More ❯

Job Title: Senior Network Engineer - Arista & Automation Specialist (Low-Latency DC Focus) Location: United Kingdom (Remote, with occasional site visits if needed) Day Rate: £420 - £430 Per Day (Inside IR35) Contract Type: Long-term rolling contract Company Introduction We are seeking an experienced Senior Network Engineer with a proven background in Arista-based data centre networks … and a strong focus on network automation. The successful candidate will join a highly technical environment supporting the design, deployment, and ongoing optimisation of low-latency, high-availability infrastructure across global data centres. You'll work with a modern network stack (Arista EOS, CloudVision, Python, Nornir, Ansible) and interface closely with architecture, security, and DevOps teams to drive … and troubleshoot BGP, EVPN (VXLAN), and Multicast (PIM, IGMP) in complex enterprise environments. Use Arista CloudVision for orchestration, telemetry, and automated configuration management across global environments. Build and maintain network automation scripts using Python, Nornir, and Ansible, ensuring repeatability and alignment with infrastructure-as-code practices. Support large-scale hardware refreshes and migrations from Cisco to Arista, ensuring minimal More ❯

Job Title: Senior Network Engineer Location: London (Canary Wharf) – Hybrid (1–2 days/week on site, parking available) Employment Type: Permanent Salary: Up to £75,000 (DOE) Security Checks: Financial checks may apply The Opportunity: This is a brilliant opportunity to join a well-established organisation during a transformative time in their infrastructure journey, and networking is … disaster recovery testing to building toward an Infrastructure-as-Code and SecDevOps future. This is more than a support role, you'll help shape how the organisation evolves its network capability over the next 12–18 months. As a Senior Engineer experienced in leading complex projects and influence architecture, this is your chance to be part of a … journey. The Role: You'll be a key part of the infrastructure team, working with experienced engineers and contractors to maintain and improve network services across a predominantly cloud-hosted environment. You'll have broad exposure across Cisco, Azure, and security tooling — supporting BAU, delivering infrastructure projects, and helping evolve the network towards greater automation and resilience. You 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 ❯

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 ❯

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 ❯

About the job We currently have an exciting opportunity for SeniorNetwork Engineer to join our existing experienced team. What do we look for in a Senior Network Engineer? Do you feel as comfortable building and supporting production LANs as you do global WANs? Can you implement firewall rules from an application's bespoke requirements? Are you a … an innovative way? Are you ready to learn about Secure by Design methodologies from a company working in National Security & Defence? Essential Skills: Implementation and Support of; Wide Area Network Architecture Network Routing Protocols - OSPF, BGP Virtual Private Networks (VPNs) and Network Security Infrastructure - e.g. IKEv2, NGFWs Creating configuration guides and implementing from High Level and Low … Level Designs Desirable Skills: Implementation and Support of; Data Centre Network Architecture - Spine/Leaf Fabric, EVPN, BGP, Geneve High Assurance IP Encryptors (HAIPE) Infrastructure Automation and Orchestration technologies (e.g. Ansible, Terraform etc.) Whitebox Network Infrastructure (e.g. Mellanox, Cumulus Linux, Nvidia Networking) Support and Troubleshooting of NSX Cisco CCNP or equivalent experience Why SIXWORKS? SiXworks is a leading More ❯

Job Overview: As a Network Security Engineering team member, the Senior Network Security Engineer will specialise in firewalls and routing. The ideal candidate is a flexible, self-motivated individual who excels at multitasking and thrives in a fast-paced, challenging environment. This self-starter will bring ingenuity and expertise to design, implement, and maintain secure, scalable, high … performing network solutions that connect on-premises and public cloud environments. The role emphasizes driving automation through Infrastructure-as-Code (IaC) and GitOps methodologies, ensuring optimal network performance, and integrating robust security measures. Responsibilities: Network Design and Implementation: Design and implement secure, scalable, and high-performing network solutions bridging on-premises and public cloud environments. Leverage … routing and switching expertise (e.g., BGP, OSPF, MPLS) to ensure network performance and reliability across diverse environments. Analyze operational needs and proactively develop creative network solutions to address security challenges. Security and Firewall Management: Manage firewall configurations for the CyberEnergianetwork based on operational requirements. Develop and implement network security tools, produce threat models, and assess risks around 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 ❯

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 ❯

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 ❯

Demonstrated success in supporting and managing enterprise-level network infrastructures Skilled in deploying and maintaining Cisco routers/switches, Fortinet firewalls and switches, and network access control (NAC) systems; experienced with FortiClient VPN Deep understanding of routing protocols, particularly OSPF and BGP Proficient in configuring and managing NetApp SAN environments using iSCSI or Fibre Channel technologies Knowledgeable in … implementing VLANs, QoS policies, VPN configurations, and network segmentation strategies Holds certifications such as Cisco CCNA/CCNP or Fortinet NSE Experienced in scripting and automating network tasks using tools like PowerShell, Ansible, or Python Background in hybrid networking across cloud platforms including AWS, Azure, or comparable environments Adept at diagnosing complex issues with strong analytical and problem … solving capabilities Effective at managing critical network incidents both independently and as part of a team Strong written and verbal communication skills with a focus on clear documentation and engaging stakeholde More ❯

Overview Senior Network Engineer UK&I Location: HQ, Runcorn, Liverpool Reporting to: Network Manager UK&I The Senior Network Engineer is responsible for the implementation, maintenance, and monitoring of Swissport's network infrastructure in the UK&I. This role reports directly to the Network Manager UK&I and works closely with the Swissport … Global Network Team, as well as third-party service providers. The Network Support Engineer will ensure the smooth operation of Swissport's network infrastructure across the UK&I, including LANs, WANs, WLANs, and internet connections. The role will also involve visiting Swissport locations to troubleshoot, install, and maintain network systems. Responsibilities Support the Network Manager in managing and overseeing network operations, including troubleshooting network issues, upgrades, optimizing performance, and ensuring high availability. Collaborate with other departments to assess networking needs and develop solutions to meet business objectives. Maintain documentation of network topologies, configurations, procedures, etc. Provide technical advisory and recommendations in solution design, development, and system integration. Monitor network More ❯

Join us a Network Engineer for our client. 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 … standard benefits, 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 Network Engineer is responsible for the design, implementation, maintenance, and support of the organizations networking infrastructure. The role requires a strong technical background in network technologies and protocols … as well as the ability to diagnose and resolve network failures and recurring issues. The engineer will ensure high levels of network availability, performance, and security to meet the business's operational requirements. Key responsibilities: Network Configuration & Deployment Configure and deploy routers, switches, firewalls, and wireless access points. Perform network equipment upgrades, firmware updates, and More ❯

Senior Network Engineer | Full Time, Permanent | Home Based | Up to £60k, depending on experience We are one of the UK's leading independent hospital groups and the largest in terms of revenue. From our 39 hospitals and 33 clinics, medical centres and consulting rooms across England, Wales, and Scotland, we provide diagnostics, inpatient, day case and outpatient care … in areas including orthopaedics, gynaecology, cardiology, neurology, oncology, and general surgery. We also operate a network of private GPs and provide occupational health services to over 700 corporate clients. We are the principal independent provider by volume of knee and hip operations in the United Kingdom. The Senior Network Engineer is responsible for day-to-day maintenance … support and security of all IT Datacentre Network Infrastructure, Firewalls, VPNS, Hospital WAN, LAN, and Wi-Fi. You would also be expected to help deliver network solutions that can meet the demands of the business through IT projects and service improvement. Supporting the Senior Technical Architects focussing on network strategy and helping our non-senior network More ❯