26 to 50 of 65 Senior Network Engineer Jobs in the UK excluding London

Opticore IT is currently searching for a Senior Network Engineer to join one of our Financial Services clients for a new data centre implementation project . This opportunity will require you to be in Central London up to 4 days a week. Opticore IT is a specialist … Network Engineer and Project Management consultancy offering a wide variety of opportunities to work within fast-paced, challenging environments across our client base spanning multiple sectors including Finance, Broadcast Media, Telecommunications and more. You will be responsible for the deployment, and configuration of cutting-edge data centre technologies. … in exchange collocations Multicast configuration and troubleshooting Automation tools, including Git, Python, Golang, Jenkins, Terraform and Ansible What you'll bring: Minimum CCNP qualified network engineer Experience using Routing protocols - BGP Low latency networks, including layer 1 switching History working with Cisco IOS-XR, Cisco NXOS, Arista EOS More ❯

Our client is currently recruiting for a Senior Network Engineer. Based in Aberdeen, the role will be on a 12 month contract. ROLE We are seeking a highly skilled Senior Network Engineer to join our team. The ideal candidate will have extensive experience in enterprise … scale network environments, with a strong hands-on background in Cisco routing and switching. The role requires expertise in designing, implementing and managing complex on-prem and public cloud network infrastructure to support the company’s onshore and offshore operations. Fully understanding the risk and reward of failing … should possess appropriate skills and competence, and be able to clearly demonstrate experience of designing, implementing, supporting, and evolving a modern and diverse enterprise network infrastructure. RESPONSIBILITIES Design and deploy scalable and secure network solutions to support business operations onshore and offshore. Configure and maintain Cisco routing and More ❯

A fast-growing Managed Service Provider is seeking a Senior Network Engineer to support a leading High-Frequency Trading (HFT) client. This is a high-impact role focused on Ultra-Low Latency (ULL) network engineering, working onsite at the client’s prestigious offices. 💡 About the Role … You’ll work closely with traders, developers, and technologists on cutting-edge network projects , focused on delivering the fastest, most reliable connectivity possible across the globe. Expect a heavy focus on Market Data , Multicast Networking , Venue Onboarding , and ULL optimisations . Network Automation training will also be provided … perfect for an engineer looking to move into next-gen network skills! 🎯 Key Responsibilities Deliver low-latency, high-performance network solutions for Market Data and HFT applications. Drive new Venue Onboarding projects across global markets. Engineer and optimize multicast and market data distribution. Implement, configure, and More ❯

has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants. Job Summary The Senior Network Engineer will play a crucial role in supporting Exegy's network infrastructure. This role involves network administration, device maintenance … and collaboration with vendors to ensure the smooth operation of network services. The ideal candidate should possess a strong technical background, extensive experience with network equipment and services, and the ability to work effectively in a fast-paced environment while contributing to project planning and execution. Responsibilities Provide … day-to-day support & assistance to Exegy Network Engineering team on network issues across business critical Exegy Production, Corporate and Development networks. Perform day-to-day network administration and maintain all network and security devices and systems to allow Exegy Network Engineering team to concentrate More ❯

Network Engineer - Security Cleared Location: Corsham - hybrid basis at Corsham MOD Salary £60,000 - £65,000 + excellent company benefits + yearly bonus You must be DV Cleared and be a sole British citizen due to the nature of the work. NexGen Associates are currently working with an … established IT Consultancy client who work within the government and defence verticals. They are now looking to take on an experienced Network Engineer to join their team, where you will collaborate with technical architects to design, implement and optimise network infrastructure across diverse client environments. Key Responsibilities … Collaborate with architects and stakeholders to design and deploy tailored network solutions. Manage and maintain network infrastructure, ensuring seamless performance and reliability. Utilise a combination of hardware and software tools to support operational and business goals. Work closely with external partners, including the Ministry of Defence (MoD) and More ❯

commercial presence in many global locations across the US, APAC and Europe. We are looking for a highly motivated individual to join as a Senior Network Engineer and be responsible for designing, deploying, managing and maintaining all aspects of the global network and physical infrastructure, ensuring … the best possible uptime and availability to support the business' customers, goals and growth. Responsibilities include: Plan, build, and deliver new network capabilities and deployments from standards and design documents to meet the needs of the business. Maintaining network security through proper configuration of firewalls, wireless access points … and VPN. Maintaining multi-site network operations to support internal applications, operating systems including regular maintenance with both private and public facilities. Physical installation and maintenance of network, power and server hardware. Creating and maintaining documentation and network diagrams. Full lifecycle management of network devices as More ❯

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 … 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 … 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 More ❯

Description 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 world's … 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 More ❯

We're hiring a Senior Network Engineer who will be responsible for the day-to-day support of our customer's network, ensuring its components are running and are working as expected. Triage and resolution of customer faults with support from wider team as required. Design … planning and implementation of project activities. You'll ideally have multi-vendor network experience of the following - Cisco, FortiGate, Meraki, Palo Alto, Sonicwall. Responsibilities: Ticket Management + Customer Service Must be an exemplar of the ticket management processes Working with the team to ensure that customer tickets are picked … Effective communication to the customer and within the team Infrastructure A subject matter expert in one or more relevant disciplines A comprehensive understanding of network infrastructure & IT ideologies and the interaction between physical, virtual and network layers Multi-vendor network experience of the following Cisco, FortiGate, Meraki More ❯

The details… We are looking for a highly motivated individual to join as a Senior Network Engineer and be responsible for designing, deploying, managing and maintaining all aspects of the global network and physical infrastructure, ensuring the best possible uptime and availability to support the business … customers, goals and growth. Responsibilities include: Plan, build, and deliver new network capabilities and deployments from standards and design documents to meet the needs of the business. Maintaining network security through proper configuration of firewalls, wireless access points and VPN. Maintaining multi-site network operations to support … internal applications, operating systems including regular maintenance with both private and public facilities. Physical installation and maintenance of network, power and server hardware. Creating and maintaining documentation and network diagrams. Full lifecycle management of network devices as well as support and development of network management and More ❯

Network Security Engineer - Peterborough (Hybrid) - £75,000 - £100,000 + Bonus + Benefits We're seeking a skilled Network Engineer to join our client's dynamic team. In this role, you will design, implement, and maintain critical networking infrastructure while driving automation and efficiency. Key Responsibilities … Oversee the design, implementation, and maintenance of Cisco ACI infrastructure. Develop automation solutions for network tasks using Python, Ansible, and Terraform. Engineer and support enterprise-grade network systems, including Cisco routers, Nexus data centre switches, and wireless LAN controllers. Configure and manage Palo Alto firewalls, ensuring adherence … to security standards. Deploy and administer network access control solutions with Cisco ISE (802.1x and TACACS). Optimize uptime and performance using F5 Big-IP load balancers. Design and manage advanced routing solutions with protocols such as BGP and OSPF, as well as SD-WAN implementations. Utilize tools like More ❯

Network Security Engineer – Peterborough (Hybrid) - £75,000 - £100,000 + Bonus + Benefits We’re looking for a skilled Network Engineer to join our clients dynamic team. In this role, you’ll design, implement, and maintain critical networking infrastructure while driving automation and efficiency. Key Responsibilities … Oversee the design, implementation, and maintenance of Cisco ACI infrastructure. Develop automation solutions for network tasks using Python, Ansible, and Terraform. Engineer and support enterprise-grade network systems, including Cisco routers, Nexus data centre switches, and wireless LAN controllers. Configure and manage Palo Alto firewalls, ensuring adherence … to robust security standards. Deploy and administer network access control solutions with Cisco ISE (802.1x and TACACS). Optimise uptime and performance using F5 Big-IP load balancers. Design and manage advanced routing solutions with protocols such as BGP and OSPF, as well as SD-WAN implementations. Utilise tools More ❯

Senior Network Infrastructure Engineer – St Neots (PE19) – Perm – Full-Time on site Salary £40,000 to £60,000 25 days annual leave inclusive of up to 3 days December shut-down Buy or sell up to 5 days’ annual leave Two pension schemes to choose from Private … a new team at a state-of-the-art test and evaluation facility at our head office in Cambridgeshire. We are looking for a network infrastructure engineer with five years of experience. Providing your extensive knowledge on how to gather system demands from non-technical stakeholders and translate … autonomously with unprecedented customer access, cutting-edge technology, and industry-leading practices. Your experience will help through the entire engineering lifecycle of a secure network, including requirements capture, system design, implementation, testing, commissioning, and maintenance. Using your deep understanding of Windows Server 2022/2025 and network architecture More ❯

High Level Clearance Cisco SME/Senior Network Engineer x 2 Location: Bracknell or Birmingham Duration: 6 months (long term extensions expected) IR35: Inside Rate: £500-550/day (negotiable) Overview We're looking for a Cisco Subject Matter Expert to support the design, deployment, and management … of complex network infrastructure. You'll bring deep technical knowledge of Cisco technologies, acting as a go-to expert across multiple projects and teams. Key Responsibilities Lead the design and implementation of Cisco-based network solutions (LAN/WAN/Wi-Fi) Troubleshoot and resolve high-level network issues Provide expert input on infrastructure projects and proposals Collaborate with security, infrastructure, and cloud teams to ensure robust and secure network designs Maintain detailed technical documentation Offer mentoring and knowledge transfer to internal teams Key Skills & Experience Strong hands-on experience with Cisco routing, switching, and firewalls More ❯

High Level Clearance Cisco SME/Senior Network Engineer x 2 * Location: Bracknell or Birmingham * Duration: 6 months (long term extensions expected) * IR35: Inside * Rate: £500-550/day (negotiable) Overview: We're looking for a Cisco Subject Matter Expert to support the design, deployment, and management … of complex network infrastructure. You'll bring deep technical knowledge of Cisco technologies, acting as a go-to expert across multiple projects and teams. Key Responsibilities: * Lead the design and implementation of Cisco-based network solutions (LAN/WAN/Wi-Fi) * Troubleshoot and resolve high-level network issues * Provide expert input on infrastructure projects and proposals * Collaborate with security, infrastructure, and cloud teams to ensure robust and secure network designs * Maintain detailed technical documentation * Offer mentoring and knowledge transfer to internal teams Key Skills & Experience: * Strong hands-on experience with Cisco routing, switching, and firewalls More ❯

other with respect and regard We're always thinking 'what's next?' Job Description: On a day-to-day basis, you will manage the network infrastructure that delivers UK & Ireland core network connectivity, including core POP sites, transit interconnection, peering and fibre backhaul services to our Reading Data … your direct responsibility. This includes making sure that all services are available for 100% of the time as well as making sure that the network is deployed in a resilient configuration, failures, faults and general health issues are quickly resolved, and careful capacity planning to deliver in advance of … to troubleshoot problems without escalating them. You should have at least 8-10 years of experience in an IT Systems role (5 years of network engineering within the ISP industry), and a technical-related degree is preferred. You should be a highly proactive individual who can create resilient, scalable More ❯

Our client is currently recruiting for the position of Senior Network Engineer, based onshore in Aberdeen. This has been released on a 12 month PAYE contract. Responsibilities: Design and deploy scalable and secure network solutions to support the company’s business operations onshore and offshore. Configure … networks to ensure seamless connectivity onshore and offshore. Implement and maintain Palo Alto Firewalls and Global Protect VPN to ensure the highest levels of network security, access control, and advanced threat prevention. Excellent problem-solving, analytical, and creative thinking skills for diagnosing and resolving complex network issues. Collaborate … with cross-functional IT teams and other departments to support network-related projects, including cloud, complex application delivery, security, and infrastructure initiatives. Maintain up-to-date network diagrams, documentation, and ensure adherence to security best practices and industry compliance standards. Act as your own project manager to ensure More ❯

Senior Networking Engineer Permanent £70,000 - £80,000 per annum 4 days a week on site in London I am looking for a Senior Networking Engineer to join a thriving IT solutions consultancy offering the chance to work on the most exciting data centre technologies! Currently … new data centre implementation project for a financial services client, this is a fantastic opportunity to work at the cutting edge of low-latency network design, colocation infrastructure, and network automation. You will play a critical role in designing, building, and supporting high-performance, highly available network … experience deploying networks in low latency Proven experience in financial trading environments. Solid knowledge of WAN technologies, optical networking, and fibre waves. Proficient in network automation (Ansible, Python, Jinja2, Git, Terraform, Jenkins). Experience in: Multicast configuration and troubleshooting Layer 1 MUX switching Packet tapping and timestamping Network More ❯

Job title: 3rd Line Senior Network Engineer Location: Bracknell or Basingstoke Salary: £55k plus 3% bonus This role is worked over 2 different shifts: 8am - 4pm or 10am - 6pm Candidates for this role must be willing and eligible to go through SC clearance. Job description: Providing operational … support to a large enterprise network that runs 24/7 across two data centres and remote offices throughout the UK. You will collaborate with the rest of the team to maintain on-premise networks to support BAU activities, perform network configuration changes, upgrades and liaise with third … features (ASDM, ACLs, IPSEC VPNs) Experience working with Cisco Catalyst switches, Cisco Nexus switches, Cisco ISR and ASR routers, and Cisco ISE Understanding of network-level encryption Strong experience with Juniper leaves spines and switches F5 Load Balancers Cisco ISE Appliance Desirable: Solid understanding and working knowledge of core More ❯

treatments for disease to innovative engineering and cutting-edge technology. World class science requires world class computing infrastructure. Our Scientific Computing team provides computing network and storage systems that keep Diamond and its scientists at the forefront of scientific research About the Role We now have an excellent opportunity … for a Senior Network Engineer within Diamonds Scientific Computing team to support and develop the scientific and controls networks used for cutting edge science. High bandwidth ethernet forms the basis of all the critical networks within Diamond alongside more specialist low latency fabrics. These enable rapid and … You will hold a degree level qualification in a computing or science subject or demonstrate equivalent experience. You will need to demonstrate experience of: Network administration of medium to large sized networks Experience of different network systems, e.g. Cisco, Extreme, Avaya, Nvidia Experience and knowledge of 1/ More ❯

Partner Job CBSbutler Holdings Limited trading as CBSbutler Job title: 3rd Line Senior Network Engineer Location: Bracknell or Basingstoke Salary: £55k plus 3% bonus This role involves working over 2 shifts: 8am - 4pm or 10am - 6pm. Candidates must be willing and eligible to undergo SC clearance. Responsibilities … include providing operational support to a large enterprise network that operates 24/7 across two data centres and remote offices throughout the UK. You will collaborate with the team to maintain on-premise networks, perform configuration changes, upgrades, and liaise with third parties, internal teams, and end customers. … like ASDM, ACLs, IPSEC VPNs. Experience working with Cisco Catalyst switches, Cisco Nexus switches, Cisco ISR and ASR routers, and Cisco ISE. Understanding of network-level encryption. Strong experience with Juniper leaves, spines, and switches. F5 Load Balancers knowledge. Knowledge of Cisco ISE Appliance. Desirable Skills: Core routing and More ❯

Senior Network & Infrastructure Engineer Leeds/Hybrid 3 Months - Outside IR35 Market daily rate Fruition are currently engaged with a nationally recognised business working on a technology modernisation to move from on-premise technology and help them deliver a cloud migration. Required Skills/Experience Network switching - HP/Aruba Network Firewalls Hybrid cloud environments - Azure Infrastructure - Windows environment Experience liaising with and managing 3rd parties If this role would be of interest, then please apply to this advert and I will be in contact to give you more detail. We are an equal More ❯

Senior Network Infrastructure EngineerSt Neots (PE19) Perm Full-Time on site Salary £40,000 to £60,000 25 days annual leave inclusive of up to 3 days December shut down Buy or sell up to 5 days annual leave Two pension schemes to choose from Private Medical & Dental … a new team at a state-of-the-art test and evaluation facility at our head office in Cambridgeshire. We are looking for a network infrastructure engineer with five years of experience. Providing your extensive knowledge on how to gather system demands from non-technical stakeholders and translate … autonomously with unprecedented customer access, cutting-edge technology, and industry-leading practices. Your experience will help through the entire engineering lifecycle of a secure network, including requirements capture, system design, implementation, testing, commissioning, and maintenance. Using your deep understanding of Windows Server 2022/2025 and network architecture More ❯

Senior Cyber Security & Network Project Engineer Location: Brighton/London/South East/Hybrid Package: £70-100K + Pack Type: Full-time Award-winning MSP We're working with a highly respected, independent tech firm that s redefining what great looks like in cybersecurity and … network solutions. With a track record of delivering some of the most complex infrastructure projects in the UK and Europe, they re now looking to grow their senior engineering team with someone who can lead from the front technically and strategically. This is a fantastic opportunity for an … experienced Cyber Security & Network Engineer who thrives in a hands-on role, enjoys client engagement, and wants to shape the future of secure, intelligent networks. The Role You ll work closely with the presales, delivery, and solutions teams to design and implement market-leading network and security More ❯

Senior Cyber Security & Network Project Engineer Location: Brighton/London/South East/Hybrid Package: £70-100K + Pack Type: Full-time | Award-winning MSP We're working with a highly respected, independent tech firm that’s redefining what great looks like in cybersecurity and … network solutions. With a track record of delivering some of the most complex infrastructure projects in the UK and Europe, they’re now looking to grow their senior engineering team with someone who can lead from the front — technically and strategically. This is a fantastic opportunity for an … experienced Cyber Security & Network Engineer who thrives in a hands-on role, enjoys client engagement, and wants to shape the future of secure, intelligent networks. The Role You’ll work closely with the presales, delivery, and solutions teams to design and implement market-leading network and security More ❯