26 to 50 of 78 Senior Network Engineer Jobs in England

Senior Network Security Engineer Leading global manufacturing company is looking for a Senior Network Security Engineer to join their growing Network Security Engineering team. The successful candidate will design and implement network security solutions connecting on-premises and public cloud environments, with … focus on Infrastructure-as-Code (IaC) and GitOps methodologies. This is a very technical role and will play a key part in securing the network infrastructure. London 5 DAYS A WEEK. Responsibilities: Design and deploy network security solutions across cloud and on-premises environments. routing and switching protocols … network performance. Analyze operational needs and develop innovative solutions to strengthen network security. Required: Hands-on experience within enterprise network security solutions. Advanced knowledge of routing and switching protocols. Deep understanding of firewalls. More ❯

Senior Network Security Engineer Leading global manufacturing company is looking for a Senior Network Security Engineer to join their growing Network Security Engineering team. The successful candidate will design and implement network security solutions connecting on-premises and public cloud environments, with … focus on Infrastructure-as-Code (IaC) and GitOps methodologies. This is a very technical role and will play a key part in securing the network infrastructure. London 5 DAYS A WEEK. Responsibilities: Design and deploy network security solutions across cloud and on-premises environments. routing and switching protocols … network performance. Analyze operational needs and develop innovative solutions to strengthen network security. Required: Hands-on experience within enterprise network security solutions. Advanced knowledge of routing and switching protocols. Deep understanding of firewalls. More ❯

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 ❯

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 ❯

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 ❯

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 ❯

Senior Network Engineer - London (Hybrid) - £75,000 - £100,000 + Bonus + Benefits We're looking for a skilled SeniorNetwork 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 ❯

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 ❯

Senior Consultant - IT Network Engineer L3 - London Consultant Domain Network Data networking Access technologies Company: ITL UK Requisition ID: 132610BR Role - Senior Consultant Location - London Roles and Responsibilities: Team Collaboration and Leadership: Collaborate with cross-functional teams and provide technical guidance and mentorship to junior … network engineers. Participate in architecture review boards and provide expertise and recommendations on network-related projects. Stay updated on industry trends, certifications, and best practices to enhance professional knowledge and expertise. Network Design and Architecture: Assess the organization's network infrastructure and identify areas for improvement … or optimization. Design, develop, and document network architecture blueprints, including high-level and low-level network designs. Define network standards, protocols, and guidelines to ensure consistency and scalability. Evaluate emerging technologies and industry trends to incorporate innovative solutions into network designs. Network Performance and Optimization 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 ❯

IT Senior Network Systems Engineer Our Client is a Bank based in the City of London, looking to recruit an IT Senior Network Systems Engineer ideally with at least 7 to 10 years of experience in IT, preferably from the banking financial industry. You … operate efficiently. The Client would like the following key skills: CCNP level networking Solarwinds - Service Desk Software experience Experience of Palo Alto firewalls Firemon - Network Security Devices and Policy Management Complex Switches experience is essential. Experience of Avaya PABX systems Responsibilities: Responsible for the maintenance of the IT infrastructure … of daily and periodic reports for the London Compliance team to ensure adherence to the Anti Money Laundering Provisions. Overall networking equipment monitoring (i.e. Network Switches, Firewall, and other appliances) and support. Plan and carry out maintenance checks to ensure IT Operations and infrastructures are running smoothly and ensure More ❯

Job Title: Senior Network Engineer Location: Remote/Portsmouth Salary: 55,000 - 60,000 + additional on-call bonus Overview: Responsible for the day-to-day support of the 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 … 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 ❯

Job Title: Senior Network Engineer Location: Remote/Portsmouth Salary: £55,000 - £60,000 + additional on-call bonus Overview: Responsible for the day-to-day support of the 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 … 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 ❯

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 ❯

re on a thrilling journey of growth and innovation. You'll find a supportive environment where your skills can flourish. The Role As a Senior Network Engineer your role is to deliver, review, support and optimise the network infrastructure. Configure, maintain, and monitor network equipment … Oversee WAN, routers, firewalls, switches, load balancers, traffic optimizers, and wireless devices, both on-premises and in Azure. Implement and enforce physical and virtual network security procedures to safeguard the network infrastructure. Ensure all network devices are up to date with the latest patches and firmware. Identify … troubleshoot and resolve network issues encountered by users across the organization. Monitor and ensure compliance with agreed Service Level Agreements (SLAs). Conduct R&D on new technologies and vendor products and run Proof of Concepts (POCs) to support business requirements. Participate in a regular on-call rota to 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 ❯

x Senior Network Engineer - Linux/Citrix/Python - Up to £300k Total Comp One of the world's leading quantitative trading firms are searching for 2 x highly skilled and experienced Network Engineers to join their team (1x perm, 1 x contract). Below I … of the role, company, and requirements. Please review and if the opportunity seems like a good fit share your CV! Role: Responsible for handling network installation, configuration, and maintenance across their office, data-centre, and colocation sites. A focus on Cisco and Arista equipment, particularly routers and switches. Role … will focus on project work, but will sit as a Point of Escalation for the Network Operations team Large volume of work to come from an on-going initiative to improve go to market speed closer to ultra-high frequency. As a result my client is heavily investing in More ❯

x Senior Network Engineer - Linux/Citrix/Python - Up to £300k Total Comp One of the world's leading quantitative trading firms are searching for 2 x highly skilled and experienced Network Engineers to join their team (1x perm, 1 x contract). Below I … of the role, company, and requirements. Please review and if the opportunity seems like a good fit share your CV! Role: Responsible for handling network installation, configuration, and maintenance across their office, data-centre, and colocation sites. A focus on Cisco and Arista equipment, particularly routers and switches. Role … will focus on project work, but will sit as a Point of Escalation for the Network Operations team Large volume of work to come from an on-going initiative to improve go to market speed closer to ultra-high frequency. As a result my client is heavily investing in 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 ❯