51 to 75 of 84 Senior Network Engineer Jobs in the UK

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 ❯

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 an 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 … 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 ❯

A Senior Network Security Engineer is required to join the London Deployment Team, responsible for the deployment and planning of the Bank’s network infrastructure in the UK, Middle-East, Africa and India. The team is responsible for the delivery and deployment of network/… projects concurrently A very organised individual. Ability to work under pressure and to tight deadlines whilst maintaining attention to detail. Analyse, review and understand network topologies. Coordinate multiple projects, change management and governance efficiently working both independently and as a member of a team. Good understanding of networking principles … facing skills with the ability to keep the customer informed at all times and understand their requirements This role is suitable for a Security Engineer who has at least 3 years as a Senior Project Engineer in a professional environment. Desired skills (not essential) Experience with Cisco More ❯

A Senior Network Security Engineer is required to join the London Deployment Team, responsible for the deployment and planning of the Bank’s network infrastructure in the UK, Middle-East, Africa and India. The team is responsible for the delivery and deployment of network/… projects concurrently A very organised individual. Ability to work under pressure and to tight deadlines whilst maintaining attention to detail. Analyse, review and understand network topologies. Coordinate multiple projects, change management and governance efficiently working both independently and as a member of a team. Good understanding of networking principles … facing skills with the ability to keep the customer informed at all times and understand their requirements This role is suitable for a Security Engineer who has at least 3 years as a Senior Project Engineer in a professional environment. Desired skills (not essential) Experience with Cisco More ❯

Our SmartHire team is looking for a Senior Network Engineer to join a leading IT services and consulting company, supporting a major data centre implementation project . This position is based in Central London , requiring up to four days a week onsite. It's a fantastic opportunity … continuous learning, delivering projects across sectors like finance, broadcast media, and telecommunications. What You’ll Be Doing: Building and configuring cutting-edge data centre network technologies. Delivering global WAN and cloud connectivity solutions. Working on ultra-low latency network environments, including Layer 1 switching. Setting up and maintaining … precise timing systems (GPS, PTP, NTP, PPS). Installing packet capture tools using optical taps, SPAN, and aggregation platforms. Analysing network traffic with Wireshark to ensure performance and reliability. Managing connections for market data feeds and order entry across exchange colocation sites. Troubleshooting and configuring multicast networking. Using automation 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 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 ❯

Reporting to the Technology Architect, we have a rare opportunity for you to join us here at PPHE. You'd work closely with the network and support teams and our Meeting & Events Departments in the hotels and be responsible for designing, managing, and providing support for the Group's … Internet/Wi-Fi network infrastructure and IP Telephony systems. The role is based on flexible working hours, total of 40 hours per week. The individual must respond anytime in case of major incidents and/or loss of service affecting business continuity. Benefits for you as the Senior Network Specialist: Discounted PPHE hotel rates (extends to the Radisson Hotel Group and family & friends) F&B discounts at our restaurants and bars (for your whole party) Two wellness days per year, meaning all team members start with 30 days of holiday per year - including bank holidays, increasing 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 ❯

Position Name : Network Engineer Reports to: Associate Director of Support Location/Type : UK Remote Atlas Technica's mission is to shoulder IT management, user support, and cybersecurity for our clients, who are hedge funds and other investment firms. Founded in 2016, we have grown 100% year over … professional yet friendly environment while promoting professional and career development for our Team Members. Join Atlas Technica now! We are looking for a skilled Network Engineer who will be responsible for designing, implementing, maintaining, and supporting the network infrastructure for our growing client base and our firm. … You will work within our systems engineering team. You should have a good understanding of designing and developing scalable, maintainable, highly available network architectures. We also expect you to be a good team player and be able to meet business objectives and SLAs. Responsibilities Organize network maintenance and More ❯

deliver and continually evolve reliable IT services and solutions to empower organisations to maximise their business potential. We have an exciting opportunity for a Senior Network & Security Engineer to join our team in UK! What we can give you: 37.5-hour working week with flexible working options … Aviva Private medical cover from day 1 Global Recognition Program – 40+ awards were made last year under our RecogniseMe scheme Team Purpose: The Managed Network & Security Team is responsible for the management of the network & security devices in Getronics Datacentres, connectivity towards customers and Cloud providers and on … premise Network & Security implementations at our Customers. Role Purpose: The role is to proactively and reactively manage the Network and Security devices , act on alarms from our network management systems , act on incidents reported by our customers. Troubleshoot & analyse incidents and changes , make suggestions to fix and More ❯

Cloud and Data Center, Networking, Webex (Collaboration) Job Id: Role Overview: As a Senior Network Software Engineer, you will collaborate with cross-functional teams, business partners, and stakeholders to design, provision, configure, operate, and maintain physical and virtual network hardware and software. Your expertise will be … crucial in anticipating network infrastructure issues and recommending improvements to functional processes or services. You are expected to lead with vision and influence decisions through your knowledge and expertise. Responsibilities: Network Design and Implementation: Design, implement, and operate large and scalable network backbones (ISPs) using IS-IS … BGP, and peering with customers. Network Device Automation: Develop and troubleshoot automation processes across various network devices and platforms, including Cisco routers, switches, and ACI. Automation Tools Development: Create, optimize, and maintain network automation scripts, tools, and workflows, integrating internal systems and third-party solutions. Network More ❯

upskill in a financial organization Hybrid working operating model About Our Client The client works in Financial Services. Job Description We are seeking a Senior Network Operations Engineer to join our London-based team. This is a technical, hands-on role focused on network monitoring, firewall … management, and infrastructure maintenance. The ideal candidate will have 8-10 years of experience in network operations and a strong background in routing, switching, and security. You will play a key role in ensuring network stability, performing firmware upgrades, managing day-to-day operations, and maintaining documentation. This … position is not a leadership role but requires a proactive approach to network management and problem-solving. Key Responsibilities Network Monitoring & Maintenance NOC experience is critical for this role. Ensure optimal performance and availability of network infrastructure. Utilize tools such as SolarWinds and Infoblox for monitoring and More ❯

Job Title: Network Engineer Location: UK (Remote) Salary: £80,000 per annum (Permanent Role) Key Responsibilities: Global Network Operations: Provide support for the global data and security network infrastructure. Troubleshoot complex LAN, WAN, DNS, and firewall issues. Serve as the regional SME and escalation point for … EMEA network operations. Lead technical troubleshooting efforts and guide junior engineers globally. Identify and resolve network performance issues to enhance uptime and efficiency. Drive continuous improvement through root cause analysis, problem management, and post-incident reviews. Network Projects & Implementation: Deliver strategic infrastructure projects such as site buildouts … enhancements. Required Qualifications & Experience: Bachelor's degree in Computer Science, Engineering, IT, or equivalent experience/certification. 5+ years of hands-on experience in network engineering and security. Cisco certification (minimum CCNP) is required ; advanced or security-focused certs are a plus. Strong background with enterprise networking tools and More ❯

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 … 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 … 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/ More ❯

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 … 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 … 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/ More ❯

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 … 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 … 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/ 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 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 More ❯

in your career or looking to progress as an industry professional, Node4 has a place for you. About the role As a 2nd Line Senior Network Support Engineer, you'll be at the forefront of our support function managing critical incidents, performing deep technical troubleshooting, and supporting … be part of a shared on-call rota, ensuring consistent support for high-priority issues outside of standard hours. Key Responsibilities Act as a senior escalation point for 2nd line network incidents and service requests. Provide advanced troubleshooting for routers, switches, firewalls, and VPNs. Configure, maintain, and optimise … hardware from Cisco, Juniper, and Fortinet. Lead or support the delivery of network upgrades, migrations, and integration projects. Guide and mentor 1st/2nd line engineers, sharing knowledge and promoting best practices. Support firewall rule management, network segmentation, and security policy enforcement. Participate in the on-call support More ❯

we are committed to innovation and excellence in our IT platforms and services. Job Summary: Join Waystone's dynamic IT Platforms team as a Senior Infrastructure and Network Engineer, where you'll play a crucial role in shaping and maintaining our global IT infrastructure. Reporting directly to … the Head of Infrastructure Engineering, you'll support exciting projects and provide top-tier 3rd-level support. Your expertise will drive our infrastructure and network engineering capabilities to the next level, ensuring our operations run smoothly and efficiently. ESSENTIAL DUTIES AND RESPONSIBILITIES To perform this job successfully, an individual … user and computer accounts, GPOs, trusts, and DNS. Maintain and manage cloud environments and on-premises infrastructure. Contribute to infrastructure projects across compute, storage, network, and voice. Collaborate with external partners for office network and firewall management. Monitor systems and ensure alerts are addressed promptly. Manage licenses and More ❯