1 to 25 of 50 Senior Network Engineer Jobs in the UK excluding London

As a Senior Network Engineer, you will bring your expertise with Cisco, Juniper, and next generation firewall technologies to the position. You will manage performance and availability of Abacus datacentre networks across the US and UK and participate in improvement projects. You will be part of a team tasked with maintaining a very high level of availability … also be a point of escalation for support incidents that affect multiple clients. Further, you will serve as a technical lead for internal and client projects, participating in client network builds. Responsibilities: Diagnose and resolve complex issues quickly, proactively identify areas for improvement and recommend solutions. Support and maintain network backbone infrastructure involving multiple datacentres and geographic regions … on dynamic routing protocols (OSPF, BGP), and various mediums (DIA, PTP, VPN, multi-gig connectivity, cross-connects). Work independently to lead medium sized client engagements involving equipment deployment, network design, or refresh tasks. Provide escalation support for incidents involving client offices, Abacus datacentres, public cloud networks (Azure and AWS), and remote access (VPN, Citrix, etc.). Support and More ❯

Job Title: Senior Network Engineer Location: Manchester Hybrid (12 days/week on site, parking available) Employment Type: Permanent Salary: Up to £68,000 (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 right at … implementing disaster recovery testing to building toward an Infrastructure-as-Code and SecDevOps future. This is more than a support role, youll help shape how the organisation evolves its network capability over the next 1218 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: Youll 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. Youll 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 will: Own 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 … 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 ❯

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 … well 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 More ❯

delighted to be partnering with a global IT and Cybersecurity Services provider, with an office in Edinburgh, currently looking to expand their team with the addition of an experienced Network Engineer. You will be part of a team who manages performance and availability of datacentre networks across several locations, playing an active part in developing improvement projects. The successful … that affect multiple clients. In the future, it's also expected for you to serve as a technical leader for internal and external projects. Key Responsibilities : Diagnose and solve network related issues, identifying proactively the areas for improvement and recommend effective solutions. Support the network infrastructure involving several datacentres and locations, based on routing protocols (OSPF, BGP) and … several mediums (DIA, PTP, VPN, multi-gig connectivity, cross-connects). Lead medium sized client engagements involving equipment, deployment, network design, etc. Support escalation for incidents involving client offices, internal datacentres, cloud networks and remote access. Create and maintain comprehensive documentation for internal and client infrastructure, processes, and procedures. Provide guidance and mentoring to other team members to develop More ❯

delighted to be partnering with a global IT and Cybersecurity Services provider, with an office in Edinburgh, currently looking to expand their team with the addition of an experienced Network Engineer. You will be part of a team who manages performance and availability of datacentre networks across several locations, playing an active part in developing improvement projects. The successful … that affect multiple clients. In the future, it's also expected for you to serve as a technical leader for internal and external projects. Key Responsibilities : Diagnose and solve network related issues, identifying proactively the areas for improvement and recommend effective solutions. Support the network infrastructure involving several datacentres and locations, based on routing protocols (OSPF, BGP) and … several mediums (DIA, PTP, VPN, multi-gig connectivity, cross-connects). Lead medium sized client engagements involving equipment, deployment, network design, etc. Support escalation for incidents involving client offices, internal datacentres, cloud networks and remote access. Create and maintain comprehensive documentation for internal and client infrastructure, processes, and procedures. Provide guidance and mentoring to other team members to develop 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 … 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 ❯

This appointment offers you the privilege of contributing to a highly accomplished team, entrusted with the design, implementation, and stewardship of resilient network and firewall infrastructures that are fundamental to critical banking operations on an international scale. You will be afforded significant influence over the evolution of the organisation's network estate, collaborating with esteemed professionals across continents. … SENIOR NETWORK ENGINEER Salary: £120,000 - £135,000Location: London A distinguished opportunity is presented for a Senior Network Engineer to join the ranks of a globally esteemed financial institution headquartered in London. This appointment offers you the privilege of contributing to a highly accomplished team, entrusted with the design, implementation, and stewardship of resilient … network and firewall infrastructures that are fundamental to critical banking operations on an international scale. You will be afforded significant influence over the evolution of the organisation's network estate, collaborating with esteemed professionals across continents, and playing an instrumental role in ensuring the seamless delivery of services. What you'll do: * Conceiving, implementing, and overseeing robust network More ❯

services, umbilicals, subsea hardware, and tooling. We also use applied technology expertise to serve the defense, entertainment, material handling, aerospace, science, and renewable energy industries. Position Summary The experienced Senior Network Engineer will work onshore in Aberdeen and at offshore locations. A strong background in network technologies is required. The Senior Network Engineer … with stakeholders across multiple levels to ensure seamless communication and collaboration Time and Task Activity management Change management including creation of CRQ's Design, write and update system documentation, network diagrams, field acceptance testing Installation and configuration of network infrastructure at local and remote locations Expertise in troubleshooting and analyzing diverse network architectures Proficient in monitoring and … diagnosing performance issues Knowledge of networking communication and routing protocols plus ability to troubleshoot issues Advanced knowledge of network operating systems including Cisco and Aruba Hands-on technical experience in FortiGate, Cisco, Palo Alto, Aruba, and Versa Firewalls specializing in fault management and diagnosis Maintain network lab and reconfigure as needed for project testing Sound knowledge of Process 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 … 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 ❯

Senior Network Engineer – Global Infrastructure (EMEA) 🔧 A leading global technology-driven company is seeking a Senior Network Engineer to join its advanced IT infrastructure team. This is a high-impact role for a seasoned engineer experienced in Cisco ISE , ACI , firewalls , VPNs , and Azure cloud networking . You'll take ownership of key … and maintain LAN/WAN, firewalls, routers, switches & wireless networks. Plan and execute site surveys, cabling layouts, and wireless heat maps. Lead disaster recovery planning and incident escalation. Monitor network performance and recommend optimisations. Support internal teams via service desk, knowledge base, and process development. ✅ You Should Have ✅ Strong hands-on experience with Cisco/Meraki networking (including ACI … administration (required). Experience with Azure networking and VPN/firewall configurations. Desired: Python scripting , Cisco/Juniper certs, ITIL familiarity. Excellent troubleshooting, documentation, and communication skills. Ready to engineer reliable, secure, and scalable global networks? Let’s talk, apply now or reach out for a confidential conversation. More ❯

Senior Network Engineer Cisco LAN WAN VPN Hybrid South Wales Location: South Wales Type: Permanent Working Pattern: Hybrid (one day per week or fortnight onsite) Salary: £47000 to £53600 plus 23.7 percent pension and excellent benefits We are seeking a highly skilled Senior Network Engineer with proven experience in Cisco networking technologies to join … a progressive and collaborative IT team. This is a senior technical role responsible for delivering resilient and secure LAN WAN and VPN infrastructure across a large and complex environment. Key Responsibilities Lead operational management of enterprise-wide voice and data networks Configure, maintain, and support Cisco network infrastructure including switches, firewalls, and access points Deliver secure and efficient … and stakeholders on strategic digital transformation projects Ensure service continuity, system resilience, and cyber security best practices Required Skills and Experience Strong practical experience with Cisco technologies in a senior or lead role Deep understanding of network design configuration and troubleshooting Proficiency in managing LAN WAN and VPN environments Experience with network security including firewalls, intrusion detection More ❯

Senior Network Engineer Bradford £55,000 - £75,000 + great benefits A Senior Network Engineer is needed to join a well-established and growing ISP in West Yorkshire. In this role, you will design and implement high-performance solutions, lead on technical problem resolution whilst also support junior engineers. Due to the nature of … the business, this role will be client-facing so excellent communication and stakeholder management skills are essential. As a Senior Network Engineer, you will be working to identify and implement automation opportunities as part of the wider technical team. You will deliver the technical strategy whilst acting as the escalation point for queries within the Network … new technologies and solutions, providing recommendations for service improvements. This role will be joining a business with more than 20 years of success behind them, and they require a Senior Network Engineer to help continue this. This role will be on site in Bradford. Should you wish to discuss flexibility, please dont hesitate to reach out. Package More ❯

Join a leading Cisco, Fortinet, Juniper & Palo Alto Networks partner based in Lancaster. Our client specializes in providing top-notch network solutions to the public sector, including Councils, NHS Trusts, and Bluelight Services. With a strong commitment to staff development, they offer opportunities to gain certifications up to CCIE level, fully funded by the company. We are seeking a … personable and customer-focused Senior Network Engineer who excels in relationship building and is skilled in BGP, Layer 3 protocols, and next-gen firewalls (Fortinet, Palo Alto, or Cisco). You will be part of a team, working 80% on projects and 20% on support, including a 1-week on-call escalation rotation every 7 weeks. Key … Responsibilities: Design, implement, and manage complex network solutions, focusing on Layer 3 and BGP. Work with next-generation firewalls (Fortinet, Palo Alto, or Cisco). Engage with customers, building strong, long-lasting relationships. Provide escalation support on a 1-week in 7 rota and occasional out-of-hours support (1 week in 12, compensated at £250 per week). More ❯

Senior Network Engineer (DV Security Clearance) Position Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery … eligible to go through this clearance. This position will be based on site near Chippenham. Your future duties and responsibilities We are looking for a highly skilled and experienced Senior Network Engineer to join our team. This role is primarily support-focused, with opportunities to contribute to network integration and design projects. The ideal candidate will … in advanced networking technologies, ensuring the stability, security, and scalability of our infrastructure. This position includes participation in an on-call rota to support business-critical systems. Key Responsibilities: Network Operations & Support: -Provide advanced troubleshooting for Dell OS10, Sonic switches, Cisco firewalls, switches, routers, Palo Alto firewalls, and NSX-T. -Manage and maintain spine and leaf architectures, BGP, VPN More ❯

Senior Network Security Engineer – 3-Month Initial Contract (Extension likely) Location: Onsite in West Drayton/Hayes, UK (5 Days per Week) Start: ASAP IR35: Outside IR35 Security Clearance: Will be sponsored for eligible candidates We’re not looking for just another engineer - we’re after a seasoned Network Security expert who’s ready to … critical infrastructure at its core. If you thrive in a fast-moving, hands-on environment and want to work with cutting-edge tech, this contract is built for you. Senior Network Security Engineer The Tech Stack You’ll Own: Fortinet SD-WAN – Core to the network transformation Fortinet Firewalls – Design and deployment Cisco Nexus – High-performance … switching environments Cisco Wi-Fi/LAN Routing & Switching – Solid fundamentals essential Firewall & Security Architecture – Design, configure, secure Configuration Mastery – You’ll write and load full network configs What Makes This Role Different? Security Clearance provided – We’ll sponsor you if eligible. Outside IR35 – Work with freedom and flexibility. Real Possibility of Extension – This is just phase one of More ❯

Senior Network Security Engineer – 3-Month Initial Contract (Extension likely) Location: Onsite in West Drayton/Hayes, UK (5 Days per Week) Start: ASAP IR35: Outside IR35 Security Clearance: Will be sponsored for eligible candidates We’re not looking for just another engineer - we’re after a seasoned Network Security expert who’s ready to … critical infrastructure at its core. If you thrive in a fast-moving, hands-on environment and want to work with cutting-edge tech, this contract is built for you. Senior Network Security Engineer The Tech Stack You’ll Own: Fortinet SD-WAN – Core to the network transformation Fortinet Firewalls – Design and deployment Cisco Nexus – High-performance … switching environments Cisco Wi-Fi/LAN Routing & Switching – Solid fundamentals essential Firewall & Security Architecture – Design, configure, secure Configuration Mastery – You’ll write and load full network configs What Makes This Role Different? Security Clearance provided – We’ll sponsor you if eligible. Outside IR35 – Work with freedom and flexibility. Real Possibility of Extension – This is just phase one of More ❯

the best ensuring they feel proud to be themselves and part of BUUK Infrastructure. Open Fibre Networks (OFNL), part of the BUUK Group is looking for a 3rd Line Senior Core Network Engineer who would like to help us reach our mission to earn customer loyalty and drive business growth by providing consistently excellent service. OFNL is … continuously growing both their network and customer base, and this is a new role to the business to assist with their continued expansion. This role is hybrid and based in our offices in central Cardiff. As the 3rd Line Senior Core Network Engineer your key responsibilities are Hands-on, senior-level engineering position focused on … maintaining, troubleshooting, and developing our MPLS/OSPF-based core IP network Manage, operate and develop OFNL network environment, working to achieve 99.9% service availability, whilst always providing a high level of customer service Responding to outages and major incidents, providing 3rd line support and analysing root cause Perform necessary change management, whilst minimising customer impact Maintain and More ❯

the best ensuring they feel proud to be themselves and part of BUUK Infrastructure. Open Fibre Networks (OFNL), part of the BUUK Group is looking for a 3rd Line Senior Core Network Engineer who would like to help us reach our mission to earn customer loyalty and drive business growth by providing consistently excellent service. OFNL is … continuously growing both their network and customer base, and this is a new role to the business to assist with their continued expansion. This role is hybrid and based in our offices in central Cardiff. As the 3rd Line Senior Core Network Engineer your key responsibilities are Hands-on, senior-level engineering position focused on … maintaining, troubleshooting, and developing our MPLS/OSPF-based core IP network Manage, operate and develop OFNL network environment, working to achieve 99.9% service availability, whilst always providing a high level of customer service Responding to outages and major incidents, providing 3rd line support and analysing root cause Perform necessary change management, whilst minimising customer impact Maintain and More ❯

the best ensuring they feel proud to be themselves and part of BUUK Infrastructure. Open Fibre Networks (OFNL), part of the BUUK Group is looking for a 3rd Line Senior Core Network Engineer who would like to help us reach our mission to earn customer loyalty and drive business growth by providing consistently excellent service. OFNL is … continuously growing both their network and customer base, and this is a new role to the business to assist with their continued expansion. This role is hybrid and based in our offices in central Cardiff. As the 3rd Line Senior Core Network Engineer your key responsibilities are Hands-on, senior-level engineering position focused on … maintaining, troubleshooting, and developing our MPLS/OSPF-based core IP network Manage, operate and develop OFNL network environment, working to achieve 99.9% service availability, whilst always providing a high level of customer service Responding to outages and major incidents, providing 3rd line support and analysing root cause Perform necessary change management, whilst minimising customer impact Maintain and More ❯

Senior Network Engineer/Technical Lead Location: Birmingham (Hybrid) Type: Contract (6 Months Initial) Our client is looking for an experienced Senior Network Engineer/Technical Lead to drive the development and delivery of their core network services across the UK, Europe, and global locations. This role is key to ensuring their network services meet current and future business needs, offering both hands-on engineering expertise and strategic leadership. Responsibilities: Lead technical design and roadmap planning for enterprise network services. Ensure high levels of service functionality, performance, and adoption. Work closely with IT leadership, delivery teams, and 3rd-party partners. Drive service improvements and resolve systemic or design issues. Oversee connectivity … services, including LAN/Wi-Fi, SD-WAN, VoIP, SIP trunking, and secure networks. Support government secure contracts and multi-site network environments. Key Skills: Strong technical knowledge of enterprise networks: MPLS, IPVPN, SD-WAN, LAN/Wi-Fi, and VoIP. Familiarity with CenturyLink, BT, Vodafone, and similar vendors. Desirable: Experience with Palo Alto, NAC, Azure networking, HLD/ More ❯

and we continue to lead the way toward a more sustainable and efficient energy landscape. Join us at Landis+Gyr, where we manage energy better! Landis+Gyr are looking for a Senior Network Engineer to jointhe Global IT Network team tosupport a busy, transforming and dynamicGlobal IT Infrastructure department. Areas of responsibility Administration and support of global network platforms WAN and SD-WAN support Google Cloud Platform network administration and support Check Point firewall administration and support (on-premise and cloud) Wireless network (Extreme) platform support and administration Pulse VPN remote access solution support Delivery and support of Internet (DIA) services LAN support and administration Collaboration with network team and wider IT Infrastructure/… IT function liaison Support and delivery of network related projects Skills and knowledge Network skills and technologies Verbal and written communication skills Team focus Available outside of normal business hours Desirable skills and knowledge High level networking skills & experience (WAN, LAN, SD-WAN, Wireless & VPN) Check Point firewall administration High level TCP/IP knowledge and experience Knowledge More ❯

Culligan UK is seeking a Senior Network Engineer to play a key role in managing and improving network infrastructure across multiple sites. This role requires expertise in Fortinet networking solutions, Azure networking, and enterprise IT infrastructure. The ideal candidate will have a strong background in network security, automation, and troubleshooting, and will be responsible for … designing, deploying, and maintaining critical network systems to ensure business continuity. To thrive in this role, you should be a proactive self-starter, comfortable working alone or as part of a team. You'll need excellent time management skills, be an outstanding communicator, a tech enthusiast with a detail-oriented mindset, and possess strong troubleshooting capabilities. This role with … involve frequent travel to Culligan sites across UK & Ireland to support and manage network deployments. If you're a highly skilled network specialist with a passion for enterprise-level security and infrastructure, we'd love to hear from you! Lead the design, deployment, and management of Fortinet-based networking solutions, including FortiGate firewalls, FortiManager, FortiSwitch, and FortiAP. Develop More ❯

Senior Network Security Engineer 📌 Sheffield or Hatfield 📌 £58,000 to £70,000 + 10% Bonus 📌 10% Pension + Life Assurance + Excellent Benefits + Share Equity 📌 Hybrid Working | 3 On Site | 2 Remote ** The business will support the application for security clearance. Due to the nature of work, the individual has to be a UK national or … have lived and worked in the UK for the past 5 consecutive years. ** The Role In a Nutshell Act as the primary technical authority for key customer's complex network and security infrastructure. This is a unique hybrid position blending Technical Design Authority responsibilities with senior operational engineering, requiring deep networking and security expertise to drive technical improvements … Business With one of the largest networks in Europe, this business invests hundreds of millions annually in research each year and employs more than 10,000 people in the network business alone. With incredible opportunities to learn, develop and grow your skills, they will invest in you, nurture your potential and shape your future whatever your background or experience. More ❯

Senior Network Security Engineer 📌 Sheffield or Hatfield 📌 £58,000 to £70,000 + 10% Bonus 📌 10% Pension + Life Assurance + Excellent Benefits + Share Equity 📌 Hybrid Working | 3 On Site | 2 Remote ** The business will support the application for security clearance. Due to the nature of work, the individual has to be a UK national or … have lived and worked in the UK for the past 5 consecutive years. ** The Role In a Nutshell Act as the primary technical authority for key customer's complex network and security infrastructure. This is a unique hybrid position blending Technical Design Authority responsibilities with senior operational engineering, requiring deep networking and security expertise to drive technical improvements … Business With one of the largest networks in Europe, this business invests hundreds of millions annually in research each year and employs more than 10,000 people in the network business alone. With incredible opportunities to learn, develop and grow your skills, they will invest in you, nurture your potential and shape your future whatever your background or experience. More ❯