20 of 20 Senior Network Engineer Jobs in London

Location: Agile working - Work from home, with occasional visits to our Camberley/Warwick HQ Are you an experienced Senior Network Engineer with a passion for making a difference? At Telent, we're committed to delivering innovative technology solutions that keep critical public services, emergency services, blue … light industries, and the defence sector connected and protected 24/7. We're looking for a Senior Network Engineer to join our Network Services team and help drive the digital revolution in sectors that matter most. This Senior Network Engineer is a … complex and rewarding projects across the country, and you'll be at the heart of it all. Whether you're designing, testing, or developing network solutions, your work will have a direct impact on millions of people. As a Senior Network Engineer at Telent, you'll More ❯

Senior Network Engineer - Senior Network Engineer - Palo Alto, Azure, AWS, Gaming We are seeking a highly experienced and enthusiastic Network Lead/Senior Network Engineer to join our team at a leading Gaming & Sports industry client. Our ideal candidate is … in Palo Alto Next Generation GlobalProtect Firewalls, F5 and Meraki devices, and VPNs. Knowledge of WAN optimisation through Riverbed, SDN (Software Defined Networking), and network automation is highly advantageous. In this role, you will be responsible for leading the design and engineering of our network, managing WAN, routers More ❯

Senior Network Engineer Location: London Salary: £200,000-£250,000 Role Overview: Seeking a Senior Network Engineer to lead the design, implementation, and management of high-performance network solutions, with a focus on research infrastructure combining AWS cloud services and advanced data center … platforms. Key Responsibilities: Network Architecture : Design and deploy scalable network solutions, including core switching, firewalls, load balancers, and automation frameworks. Full Lifecycle Management : Oversee network lifecycle from design through deployment, operation, and retirement. Automation & IaC : Utilize Infrastructure as Code (IaC) and automation to streamline network delivery. … computing environments. Vendor Expertise : Leverage expertise in Cisco, Arista, Juniper, and NVIDIA products to drive architecture decisions. Qualifications: Proven experience in complex, high-performance network architecture. Strong focus on software-driven, agile methodologies. Expert knowledge of vendor ecosystems and emerging networking technologies. More ❯

Senior Network Engineer – London - £525-575pd (inside IR35) – 6 months – SC Cleared We are currently working with a highly reputable organisation that is recruiting for a Senior Network Engineer to join on an initial 6-month contract. This is a varied role which More ❯

Job Description Senior Network Engineer with Security and Cisco - City London Our Client urgently requires a Senior Network Engineer with a heavy background in Network Security on Cisco and Microsoft. The security and support of the company's network is paramount. Predominantly … Support IPS deployment for European branches. Develop, maintain and deliver global standards to all networking devices. Remediate Penetration Test results. Ensure seamless migration of network estate to newly adopted security framework. General Skills: Experience working within mission-critical environments. Experience in operational deployments. Datacentre cabling and racking of equipment. 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 ❯

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 ❯

assets in Gabon. We value a collaborative approach, promote diversity, and prioritize safety and integrity in all our operations. We are looking for a Senior Network Engineer to join our IT team, playing a key role in maintaining and enhancing our global network infrastructure. You will … ensure network stability, security, and efficiency across our operations while driving improvements and innovation. Key Responsibilities Network Design & Implementation: Contribute to the development and execution of Assala's global networking roadmap. Network Monitoring & Troubleshooting: Maintain, monitor, and resolve issues in Assala's global network infrastructure. Security … Incident Management: Act as the primary contact for network security events, analysing alerts, vulnerabilities, and potential threats. Supplier & Vendor Management: Manage relationships with network service providers, ensuring optimal WAN, LAN, and hardware performance. Configuration & Optimization: Create and modify configurations on Cisco/Arista switches, routers, and firewalls (Firepower 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 ❯

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 ❯

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 ❯

First Point Group is recruiting for a Network Engineer on behalf of a global broadcast and media technology company that delivers high-availability solutions for content distribution and media workflows. The successful candidate must have strong hands-on Infoblox experience , expertise in DNS/DHCP migration, and the … PLEASE NOTE - sponsorship can not be provided. Candidates must live in the UK with valid rights to work. Job Description: We are seeking a Network Engineer with specialist skills in Infoblox to lead a crucial DNS migration and infrastructure re-design project. This role involves migrating services from … administration. Strong knowledge of DNS, DHCP, and IPAM , especially within enterprise-scale environments. Experience with Active Directory-integrated DNS configurations. Proven experience handling complex network transformation projects. Ability to work independently in a dynamic technical environment. Desirable Skills Configuration and operational knowledge of Juniper and Brocade network devices. 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 ❯

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 ❯

Role: Network Engineer Contract: 6 months rolling (outside IR35) Job Description Education/Qualifications: Bachelor's degree or similar qualification Relevant Certification in Networks (CCNA, CCNP),Cloud, ITIL and Project Management preferred Skills & Competencies: Deep understanding of IT infrastructures and experience troubleshooting complex network issues, knowledge of … Routing, WIFI, Switching, Nexus/ACI), Zscaler, Tufin, and Brocade Deep proficiency with Cisco Firepower and Checkpoint firewalls. Skilled in designing, implementing, and automating network operations and reporting. Experience: Experience supporting network based on Cisco and Checkpoint Technologies. Experience in troubleshooting complex network issues working across teams 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 ❯

we envision a future where human well-being is safeguarded while closing the gaps in critical global labour needs. We seek a strong Infrastructure & Network Engineer to help design, maintain, and optimise the networking and computing infrastructure supporting our robotics development, testing, and production environments. You will be … robotics teams to ensure fast, reliable, and secure connectivity between cloud services, local servers, robots, and operators. This role involves hands-on support for network configuration, local server environments, storage solutions, and on-premise GPU clusters, focusing on scalability, reliability, and performance. Responsibilities Manage and optimise lab networking, including … Design, deploy, and maintain scalable and secure IT infrastructure on-premises (in labs or data centres) or hybrid/cloud environments. Monitor and troubleshoot network performance, ensuring quality of service (QoS), uptime, and reliable connectivity across all environments. Define and enforce infrastructure security best practices, including access control, firewall More ❯

Position: Network LAN Engineer Location: London (Hybrid – 3 days onsite per week) Contract Type: 6-Month Contract Start Date: Immediate Rate: £400 - £500 per day (Inside IR35) About the Role: Join a leading financial services organization as a Network LAN Engineer. This role involves working on Software … Defined Networks, producing detailed design documentation, and implementing network configurations. You'll collaborate with architectural and design groups to ensure accuracy and compliance with standards. Key Responsibilities: Produce detailed design documentation based on architectural standards. Collaborate with architectural and design groups to ensure design accuracy and standards compliance. Work … with project management teams to understand project deliverables and meet timescales. Review and approve network-level changes and implement complex changes. Collaborate with other technical groups to deliver business-critical projects. Maintain familiarity with business, application, and systems requirements. Provide project implementation support during business and occasionally off-business More ❯