51 to 75 of 122 Senior Network Engineer Jobs in London

Senior Network Engineer – CONTRACT – London up to £1000 per day - based on experience A skilled Network Engineer is required to support high-performance network initiatives within a fast-paced financial services environment. This urgent contract opportunity focuses on automation-first network infrastructure design across hybrid cloud, data centres, and low-latency environments. You … ll join a highly capable team delivering strategic upgrades to core network services—leveraging automation, SDLC best practices, and infrastructure-as-code to drive scalable and secure architectures. The requirements are as follows: CCNP-certified with strong hands-on experience across enterprise networking Deep expertise in BGP and routing design, ideally supported by CCDP or equivalent Proficiency with Cisco … IOS-XR, Cisco NX-OS, and/or Arista EOS Experience with WAN/OTN networks, and knowledge of Juniper and/or Nokia platforms Familiarity with network automation using Python and Ansible (Day-1/Day-2 operations) Understanding of CI/CD, SDLC workflows, and secure-by-design principles Exposure to low-latency or trading networks is More ❯

Senior Network Engineer – CONTRACT – London up to £1000 per day - based on experience A skilled Network Engineer is required to support high-performance network initiatives within a fast-paced financial services environment. This urgent contract opportunity focuses on automation-first network infrastructure design across hybrid cloud, data centres, and low-latency environments. You … ll join a highly capable team delivering strategic upgrades to core network services—leveraging automation, SDLC best practices, and infrastructure-as-code to drive scalable and secure architectures. The requirements are as follows: CCNP-certified with strong hands-on experience across enterprise networking Deep expertise in BGP and routing design, ideally supported by CCDP or equivalent Proficiency with Cisco … IOS-XR, Cisco NX-OS, and/or Arista EOS Experience with WAN/OTN networks, and knowledge of Juniper and/or Nokia platforms Familiarity with network automation using Python and Ansible (Day-1/Day-2 operations) Understanding of CI/CD, SDLC workflows, and secure-by-design principles Exposure to low-latency or trading networks is More ❯

Senior Network Engineer – CONTRACT – London up to £1000 per day - based on experience A skilled Network Engineer is required to support high-performance network initiatives within a fast-paced financial services environment. This urgent contract opportunity focuses on automation-first network infrastructure design across hybrid cloud, data centres, and low-latency environments. You … ll join a highly capable team delivering strategic upgrades to core network services—leveraging automation, SDLC best practices, and infrastructure-as-code to drive scalable and secure architectures. The requirements are as follows: CCNP-certified with strong hands-on experience across enterprise networking Deep expertise in BGP and routing design, ideally supported by CCDP or equivalent Proficiency with Cisco … IOS-XR, Cisco NX-OS, and/or Arista EOS Experience with WAN/OTN networks, and knowledge of Juniper and/or Nokia platforms Familiarity with network automation using Python and Ansible (Day-1/Day-2 operations) Understanding of CI/CD, SDLC workflows, and secure-by-design principles Exposure to low-latency or trading networks is 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 a support role (BAU) with design of scalable solutions deliverable … from perimeter to DMZ roles. 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. Technical Skills you need to More ❯

Founded 20 years ago, they’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 across multiple sites, including cloud … environments. 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 … Concepts (POCs) to support business requirements. Participate in a regular on-call rota to provide after-hours support for the business. Create and maintain detailed documentation of project scopes, network designs, and configurations. Guide the team in alignment with the road map, providing mentoring and training to junior engineers and support teams. The Candidate Cisco switching and routing full More ❯

Social network you want to login/join with: The Mimecast Cloud Networking team delivers a reliable and performant network built on top of a hybrid-cloud technology stack to ensure Mimecast’s services remain available and able to serve Mimecast customers at scale. The Cloud Networking team at Mimecast are looking for a talented Senior Cloud … Network Engineer with experience automating and operating networks in hybrid-cloud environments. We’d like to hear from you if you’re someone who’s an expert at Networking and IaC, with an automation-first mindset and knows what it takes to build and operate a resilient, secure and highly automated network architecture. You should be proficient … As someone who lives and breathes cloud networking, you will possess a passion for staying abreast of the latest emerging technologies in cloud, networking and automation. As a Mimecast Senior Cloud Network Engineer, you will: Build, configure, and administer network devices, services, and components, ensuring optimal performance, security, and availability using Network as Code philosophies. More ❯

Direct message the job poster from Arcus Search Data, Cloud and Technology at Arcus Search up to £1000 per day - based on experience A skilled Network Engineer is required to support high-performance network initiatives within a fast-paced financial services environment. This urgent contract opportunity focuses on automation-first network infrastructure design across hybrid cloud … data centres, and low-latency environments. You’ll join a highly capable team delivering strategic upgrades to core network services—leveraging automation, SDLC best practices, and infrastructure-as-code to drive scalable and secure architectures. The requirements are as follows: CCNP-certified with strong hands-on experience across enterprise networking Deep expertise in BGP and routing design, ideally supported … with Cisco IOS-XR, Cisco NX-OS, and/or Arista EOS Experience with WAN/OTN networks, and knowledge of Juniper and/or Nokia platforms Familiarity with network automation using Python and Ansible (Day-1/Day-2 operations) Understanding of CI/CD, SDLC workflows, and secure-by-design principles Exposure to low-latency or trading More ❯

Are you looking to work on high-level, transformative networking projects for blue-chip clients? A fast-growing Network Consultancy in the heart of London offers the perfect opportunity to dive deep into specialist projects and make a real impact. If you're ready for a customer-facing, project-driven role with an elite team, this is your chance … Although certifications are not necessary, you must have demonstrably proven experience working at that level. You will be working on new Greenfield projects utilising next-generation technology. Responsibilities: Lead network setup and deployments. Focus on delivering bespoke network projects. Customer-Facing Consultancy. High to Low-Level Network Design. Handle occasional advanced troubleshooting. Required Skills & Experience: You will More ❯

Direct message the job poster from Stott and May Strategic Partnership Executive @ Stott and May Job Title: Network Engineer About the Role: We’re seeking an experienced Network Engineer to lead and enhance enterprise-wide connectivity solutions, including LAN, WAN, MPLS, SD-WAN, Cellular, and Telephony systems. In addition to technical responsibilities, you will manage a … team of two engineers, ensuring smooth operations and project delivery. Key Responsibilities: Design, implement, and maintain global network infrastructure, VoIP systems (Cisco UC), and mobile computing environments. Configure and manage Juniper switches, routers, wireless LAN, and telephony systems. Oversee and guide a team of two engineers, providing mentorship and support. Monitor and optimize network performance while troubleshooting and … IT escalations and contribute to process and technology improvements. Balance project work with daily operations and occasional travel to infrastructure sites. What You’ll Need: Proven experience with Cisco network technologies and VoIP systems. Hands-on expertise with Juniper network equipment. Strong leadership skills and experience managing or mentoring team members. Excellent problem-solving abilities and multitasking skills. More ❯

leading financial organizations globally Do you want to work with one of the most well-known asset management firms globally? Our client is seeking a highly skilled and experienced Senior Network Engineer to join their dynamic team. The successful candidate will play a key role in designing, implementing, and maintaining the network infrastructure to ensure optimal … performance and reliability. Responsibilities: Design, implement, and maintain our network infrastructure to meet the company's performance and reliability requirements. Troubleshoot network issues and implement solutions in a timely manner. Collaborate with cross-functional teams to support various projects and initiatives. Must Haves: Bachelor's degree in Computer Science, Information Technology, or related field. CCNP or CCIE certification. … automation tools such as Ansible or Python scripting. Compensation package up to £125,000 (depending on experience). Location: Central London, UK. On-site Apply now! Seniority level Mid-Senior level Employment type Full-time Job function Financial Services, Investment Management, and Capital Markets Referrals increase your chances of interviewing at Hamilton Barnes by 2x. Set job alerts for More ❯

Opportunity to develop and 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 troubleshooting. Firewall & Infrastructure Management Oversee daily network operations, including firewall changes and firmware upgrades. Hands-on experience with Cisco ASA Firepower and Checkpoint (Fortinet is More ❯

Job title: Senior Network Engineer Location: New Malden. We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £ 55,000 (depending on skills and experience) What you'll be doing: Supporting the design phase of Naval Networks, this includes network architecture and … development/changes to requirements of interface documents that capture how using systems will interface with the network Assisting with the implementation phase of Naval Networks based on the design baseline, which encompasses the configuration creation, supporting the development of auto generated interface scripting the design directly into switch configuration Supporting the test/release phase of Naval Networks … based on the implementation baseline, which involves fault resolution under pressure. Supporting the network configuration roll out in-service T23/T45/QEC platforms. Supporting the maturity of functional, performance and security testing that will be required to release deployable networks to other suppliers Applying good Configuration Management processes to daily work through Observation Reporting tools and keep More ❯

Social network you want to login/join with: When we say, “the stuff dreams are made of,” we’re not just referring to the world of wizards, dragons and superheroes, or even to the wonders of Planet Earth. Behind WBD’s vast portfolio of iconic content and beloved brands, are the bringing our characters to life, the bringing … more audiences on more platforms. From Amsterdam to Singapore and from satellite and broadcast operations to SAP, we are driving Discovery forward on the leading edge of technology. The Senior Network Engineer will be responsible for working with the operations and engineering teams around the strategic, tactical, and improvement of the global network platforms. The individual … achieved in the most efficient way along with identifying service improvements and document those improvements. Help ensure standards and processes are followed. Specific responsibilities include: Effectively support all DCI network infrastructure 24*7 by responding to and resolving all trouble tickets within the stipulated SLA time – 40% Clearly understand the root cause of all the network outages and More ❯

Job Description 2 x Senior Network Engineer - Linux/Citrix/Python - Up to £300k Total Comp One of the world's leading quantitative trading firms is searching for 2 highly skilled and experienced Network Engineers to join their team (1x permanent, 1x contract). Below is a breakdown 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 office, data-centre, and colocation sites. Focus on Cisco and Arista equipment, particularly routers and switches. Role will focus on project work and serve as a Point of Escalation for the Network Operations team. Work … on initiatives to improve go-to-market speed, investing heavily in compute power, colocation, and cloud. Design and implement greenfield networking solutions. Research and evaluate new network technologies and applications. Operate in a network automation-heavy environment. Infra environment includes a hybrid setup with Windows and mainly Linux, along with AWS and OpenShift Cloud. Company: Market-leading firm 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 to become part of a consultancy that champions technical excellence, innovation … and 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 frameworks like Git, Python, Golang, Jenkins, Terraform, and Ansible for efficient deployment and management. What You’ll Need: Industry More ❯

leading provider of comprehensive IT solutions and managed services to businesses worldwide, specialising in delivering innovative and reliable technology services - Are currently seeking a highly skilled and experienced Wireless Network Engineer to join our dynamic team. As a Wireless Network Engineer, you will be responsible for implementing, managing, and troubleshooting wireless network solutions . The … technologies amongst others. You will work closely with leading clients to ensure their wireless networks are secure, robust, and optimized for performance. Key Responsibilities: Deployment and Configuration of wireless network solutions using Ruckus and Aruba amongst other technologies Configure and maintain wireless network infrastructure, including access points, controllers, and associated network devices. Perform site surveys, RF planning … and coverage analysis to ensure optimal wireless network performance. Troubleshoot and resolve wireless network issues, including interference, connectivity, and performance problems. Monitor wireless network performance and provide regular reports on usage, performance metrics, and potential issues. Implement security protocols and measures to safeguard wireless networks against unauthorized access and threats. Collaborate with cross-functional teams to integrate More ❯

Looking to take your next step in your career? A leading provider of comprehensive IT solutions is currently seeking for a skilled Senior Network Wireless Engineer. The Gold Partner of top class hardware producers specializes in delivering innovative and reliable technology services to businesses across the world. They focus solely on providing Guest Internet Access, also known as … GIA and network solutions to business centers, resorts and hotels. As certified and/or preferred partners of renowned global hotel chains, the company differentiates themselves from competition through their unique tailored solutions and continue pushing the standards higher within the industry. If you would like to learn more about this opportunity, feel free to reach out and apply … today! Responsibilities: Deployment and configuration of wireless network solutions using Ruckus and Aruba amongst other technologies Configure and maintain wireless network infrastructure, including access points, controllers, and associated network devices. Perform site surveys, RF planning, and coverage analysis to ensure optimal wireless network performance. Troubleshoot and resolve wireless network issues, including interference, connectivity, and performance More ❯

in a fast-paced environment and take pride in creating and operating large-scale, highly available, and high-performance systems. Your role in the Team's Success As a Senior Network Engineer , you will play a key role in building and enhancing the infrastructure that powers our fast-growing retail brokerage business while also supporting various other … of the infrastructure by staying ahead of evolving networking technologies, proactively identifying potential issues, and leading multiple tasks and projects. Our goal is to maintain the most stable, performant network possible to deliver the best experience for our customers. Design and plan scalable, secure, and resilient network architectures Provide proactive capacity monitoring and health checks of the network infrastructure to an enterprise standard. Evaluate and recommend new network technologies and solutions, conducting PoC/PoV studies. Lead network-related projects and coordinate with other departments Ensure compliance with security policies and industry regulations. Mentor NetOps engineers and provide technical guidance. What you'll need for this role Proven experience and strong technical knowledge of Arista More ❯

Join to apply for the Senior Software Engineer - Network Production Engineer role at Bloomberg 14 hours ago Be among the first 25 applicants Join to apply for the Senior Software Engineer - Network Production Engineer role at Bloomberg Location London Business Area Engineering and CTO Ref # 10043527 Description & Requirements Description and requirements … As a Network Production Engineer, you will be a critical member of the team responsible for the full lifecycle of our global network infrastructure that supports Bloomberg’s core products and services. This includes building and maintaining a network that is scalable, reliable and robust. Our network is vast, connecting several large-scale Data Centers … venues over private connectivity, Internet and Public Cloud. This is a unique opportunity to help build robust, highly scalable solutions that will power the future of how Bloomberg automates network infrastructure. You'll be trusted to design and work on tooling that builds on automation best practices and principles. We’ll trust you to Develop and maintain software tools More ❯

Description and requirements As a Network Production Engineer, you will be a critical member of the team responsible for the full lifecycle of our global network infrastructure that supports Bloomberg's core products and services. This includes building and maintaining a network that is scalable, reliable and robust. Our network is vast, connecting several large … venues over private connectivity, Internet and Public Cloud. This is a unique opportunity to help build robust, highly scalable solutions that will power the future of how Bloomberg automates network infrastructure. You'll be trusted to design and work on tooling that builds on automation best practices and principles. We'll trust you to Develop and maintain software tools … to manage a large-scale, multi-vendor network with an emphasis on automation, telemetry, and model-driven infrastructure as code. Automate the full network lifecycle-including provisioning, configuration, observability, testing, troubleshooting, and capacity planning. Collaborate with architecture and design teams and the CTO office to implement new technologies that ensure scalability, efficiency, and operational resilience. Develop tools and More ❯

Join to apply for the Snr Network Analyst - Network Engineer - CCNA role at B2B PROMOTION 1 week ago Be among the first 25 applicants Join to apply for the Snr Network Analyst - Network Engineer - CCNA role at B2B PROMOTION Fancy working for a long established international bank with excellent benefits? Work right in the … have excellent networking skills (CCNA and above) and an interest in other areas such as Infrastructure, Virtualisation, & Security? If yes, this could be the role for you. Role - Snr Network Analyst (also known as Network Engineer, Infrastructure Engineer, Systems Engineer) Salary - £45,000 - £53,000 + 12.5% Pension + 25% Bonus (typically 15-18%) + … Days Holiday rising to 30 + Private Health/Dental Location - London - West End - 4 days in the office The Role We are seeking a hands-on engineer to ensure our clients' systems remain secure, available, and high-performing. You will troubleshoot and resolve issues, support daily operations, and play a key role in upgrading and maintaining firewalls, virtualized More ❯

Senior Network Engineer – AWS Cloud and On-Prem London offices + Hybrid working options Salary up to £80k+ Benefits Our client’s software products include AI and Automation software used globally by a range of external customers. The Senior Network Engineer will play a key role in the implementation and support of their on … prem and cloud-based network infrastructure with a focus on security, reliability, and scalability. The Senior Network Engineer will support these global customers at a senior level so previous experience in a similar role is essential, but the company offer excellent training and career path opportunities. The role would support their AWS infrastructure, but those … Carrier Grade Networks for a range of external customers Implement Cloud service integrations, Data flows, AWS, Cloud VPN, etc Support and configure firewalls, switches, and routers Test Cloud based network devices, Firewalls, Load Balancer Communicate effectively with team members and external customers Key requirements: 5+ years’ in a Network Engineering role, preferably in an Engineering environment Extensive background More ❯

Senior Network Engineer – AWS Cloud and On-Prem London offices + Hybrid working options Salary up to £80k+ Benefits Our client’s software products include AI and Automation software used globally by a range of external customers. The Senior Network Engineer will play a key role in the implementation and support of their on … prem and cloud-based network infrastructure with a focus on security, reliability, and scalability. The Senior Network Engineer will support these global customers at a senior level so previous experience in a similar role is essential, but the company offer excellent training and career path opportunities. The role would support their AWS infrastructure, but those … Carrier Grade Networks for a range of external customers Implement Cloud service integrations, Data flows, AWS, Cloud VPN, etc Support and configure firewalls, switches, and routers Test Cloud based network devices, Firewalls, Load Balancer Communicate effectively with team members and external customers Key requirements: 5+ years’ in a Network Engineering role, preferably in an Engineering environment Extensive background More ❯

Senior Network Engineer – AWS Cloud and On-Prem London offices + Hybrid working options Salary up to £80k+ Benefits Our client’s software products include AI and Automation software used globally by a range of external customers. The Senior Network Engineer will play a key role in the implementation and support of their on … prem and cloud-based network infrastructure with a focus on security, reliability, and scalability. The Senior Network Engineer will support these global customers at a senior level so previous experience in a similar role is essential, but the company offer excellent training and career path opportunities. The role would support their AWS infrastructure, but those … Carrier Grade Networks for a range of external customers Implement Cloud service integrations, Data flows, AWS, Cloud VPN, etc Support and configure firewalls, switches, and routers Test Cloud based network devices, Firewalls, Load Balancer Communicate effectively with team members and external customers Key requirements: 5+ years’ in a Network Engineering role, preferably in an Engineering environment Extensive background More ❯

Senior Network Engineer – AWS Cloud and On-Prem London offices + Hybrid working options Salary up to £80k+ Benefits Our client’s software products include AI and Automation software used globally by a range of external customers. The Senior Network Engineer will play a key role in the implementation and support of their on … prem and cloud-based network infrastructure with a focus on security, reliability, and scalability. The Senior Network Engineer will support these global customers at a senior level so previous experience in a similar role is essential, but the company offer excellent training and career path opportunities. The role would support their AWS infrastructure, but those … Carrier Grade Networks for a range of external customers Implement Cloud service integrations, Data flows, AWS, Cloud VPN, etc Support and configure firewalls, switches, and routers Test Cloud based network devices, Firewalls, Load Balancer Communicate effectively with team members and external customers Key requirements: 5+ years’ in a Network Engineering role, preferably in an Engineering environment Extensive background More ❯