1 to 25 of 33 Network Engineer Jobs in the City of London

potential. And with that comes the opportunity to help redefine what our industry looks like, and what you want from your career. Job Description: Network Engineer, Cyber Defence Centre Alternatively, Grant Thornton At Grant Thornton we do things differently - looking to the future, driving ambitious growth and pioneering … environment with a strong team ethos. Support is always available across the SecOps, DFIR, MSS and wider cyber teams. We’re seeking an experienced Network Engineer to join our Cyber Defence Centre. This is a hands‐on technical role that spans live incident response, security assessment and hardening ...

Senior Network Engineer | £550p/day (Inside IR35) | 3 days on site in London | 6 months | Arista 7150 and Cisco , Low latency We're looking for an experienced Senior Network Engineer to join a critical network refresh programme supporting financial exchange. Experience working in trading … change activity with zero downtime Key Experience Required Strong hands-on Arista experience, specifically the Arista 7150 series Experience with firewalls in complex network environments Strong extranet connectivity experience Strong production-level BGP and multicast knowledge If this sounds like a good fit, apply now! Senior Network Engineer ...

Core Network Engineer (IOS-XR & NSO) | £465p/day (Inside IR35) | 2 days on site (London) | 6 months initially Our client is looking for a Core Network Engineer to join their EMEA network engineering team. You'll be a go to technical expert … large, live core network, helping drive upgrades, migrations and automation across the estate. What you'll be doing Designing, building and supporting large-scale WAN, MAN and optical networks, and leading migrations and hardware refreshes on Cisco 8000, ASR 9000 and NCS 5500/5700 platforms Hands-on engineering ...

Network Support Engineer (Enterprise Wi-Fi & LAN/WAN) Location: Central London (Office-based with client site visits) Salary: £45,000 + Benefits + On-Call (Clear Career progression opportunities) About the Role We're looking for a customer-focused Network Support Engineer to join … including hotels and hospitality venues where service quality, communication and professionalism are every bit as important as technical ability. You'll work alongside experienced network and Wi-Fi specialists, supporting, installing and troubleshooting enterprise networking environments both remotely and onsite. Key Responsibilities Install, configure and support network infrastructure ...

Senior Network Engineer - London - c£75,000 plus bonus and benefits and On-call Radius is seeking a Senior Network Engineer for a global organisation based in London. 35% Project and design work and 65% BAU Be able to produce basic Network designs Responsibilities Support … European offices, reporting to the Head of Networks. Work with and provide cover for the Customer Networks and Product Development Manager. Contribute to IT network project delivery, including design, build and stakeholder communication. Maintain and configure all routers, switches, and related network equipment. Deliver and support customer connections ...

Title Senior Network Engineer Job Description About IG Group IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation … give you the platform to define what comes next. Join us at IG – the future gets built here. 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 a variety ...

Senior Network Engineer £550p/day (Inside IR35) 3 days on site in London 6 months Arista 7150 and Cisco , Low latency We're looking for an experienced Senior Network Engineer to join a critical network refresh programme supporting financial exchange. Experience working in trading ...

Senior Network Engineer with Security and Cisco – City London Our Client urgently requires a Senior Network Engineer with heavy background in Network Security on Cisco and Microsoft. The security and support of the company’s network is paramount. Predominately a support role (BAU) with … roles Support IPS deployment for Europeanbranches 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 ...

Internal Level: Senior Associate Reporting to: Network Manager Job Overview Aquis Exchange is seeking a capable Network Engineer to support, shape, optimise, and scale our infrastructure. You’ll join a small, expert Network team working across a low-latency trading network, cloud environments … premises systems—contributing to both strategic projects and hands‐on engineering. We are looking for someone who brings strong network problem‐solving skills, will handle client on‐boarding and can work in a fast‐paced financial environment. The ideal candidate will also refine processes, and deliver reliable, high‐quality ...

Network Engineer London - remote Duration- 6-12 months £550 - £590 per day inside IR35 - Umbrella Active SC cleared or eligible candidates will be considered What you'll be doing: Design, build and manage DC network environments Support network/firewall automation, with a strong emphasis … support activities as needed, ensuring stability and performance Use automation tooling and scripting to improve repeatability and operational efficiency What you'll bring: Solid network engineering capability, particularly in designing, building and managing DC networks Hands-on experience with network and firewall environments (including Palo firewalls and Cisco ...

Network Engineer London - remote Duration- 6-12 months £550 - £590 per day inside IR35 - Umbrella Active SC cleared or eligible candidates will be considered What you'll be doing: Design, build and manage DC network environments Support network/firewall automation, with a strong emphasis … support activities as needed, ensuring stability and performance Use automation tooling and scripting to improve repeatability and operational efficiency What you'll bring: Solid network engineering capability, particularly in designing, building and managing DC networks Hands-on experience with network and firewall environments (including Palo firewalls and Cisco ...

Core Network Engineer (IOS-XR & NSO) £465p/day (Inside IR35) 2 days on site (London) 6 months initially Our client is looking for a Core Network Engineer to join their EMEA network engineering team. You'll be a go to technical expert … large, live core network, helping drive upgrades, migrations and automation across the estate click apply for full job details ...

Title: Service Delivery Engineer (Network Engineering) Salary Range: Competitive based on experience Location: London, UK Overview: Quvia is the first AI-powered quality of experience (QoE) management platform for things that move, like ships and planes, transforming connectivity and digital experiences even in the most remote and hard … reach places. The Quvia platform uses AI and machine learning to seamlessly blend any combination of connectivity, regardless of provider, orbit or network, into one, vendor-neutral environment. It then delivers comprehensive, end-to-end analytics and dynamic network orchestration that optimises for the best possible ...

Group in London seeks a Senior Network Engineer to own and evolve the company’s high-speed, highly available network infrastructure across data centers and cloud environments. You will guide design, implementation and operation of core network services, drive automation and collaboration across teams, and mentor ...

Wanstor is seeking a Senior Network Engineer with strong Fortinet FortiGate expertise to join our hybrid London team. You’ll own the Fortinet-led network environment, guide projects from design to handover, and work directly with a key customer. Based in The Shard with three days … site, you’ll partner with internal teams, document configurations, and drive secure, resilient network improvements while maintaining clear stakeholder communication. #J-18808-Ljbffr ...

Experis Austria is recruiting a Network Engineer for a London-based, remote role. You will design, build and manage DC network environments and contribute to automation initiatives while supporting security-sensitive operations. You will work with Palo Alto firewalls, Cisco switches, and automation tooling to streamline processes ...

Aquis Exchange PLC is seeking a capable Network Engineer to support, shape, optimise, and scale our low-latency trading infrastructure in London. You will join a small, expert Network team working across cloud, on-prem, and exchange platforms—contributing to strategic projects and hands-on engineering. … role requires strong problem-solving, client onboarding experience, and a proactive approach to improving network and security infrastructure. #J-18808-Ljbffr ...

Radius Consultancy seeks a Senior Network Engineer to join their London team. The role involves 35% project and design work and 65% BAU, with responsibilities covering network design, configuration and security across UK sites and European offices. You will maintain routers/switches, support customer connections ...

Group in London seeks a Senior Network Engineer to strengthen and evolve our enterprise network. You will lead data center enhancements, design and operate containerised and cloud-based platforms, and drive proactive improvements across reliability and performance. You will collaborate with development teams, mentor engineers, and maintain comprehensive … network documentation to ensure clarity and continuity in a fast-paced, high-demand trading environment. #J-18808-Ljbffr ...

Grant Thornton is seeking an experienced Network Engineer for their Cyber Defence Centre. You will lead containment of live incidents, perform security reviews, and design security solutions across cloud and on‐premise environments, collaborating with DFIR, SOC and advisory teams. The role emphasizes hands-on incident response, security … hardening, and delivering secure network design aligned with business priorities and regulatory requirements. #J-18808-Ljbffr ...

Network Operations Engineer - Financial Trading Get into Financial London City Financial Hybrid WFH/Office £85K + Package & Bonus Leading financial exchange is looking for a hands-on Network Operations Engineer to support a low-latency trading network across on-premise and cloud environments click ...

Reports to: Head of NOC Job purpose: Working as part of a team of experienced Network Security Engineers, including our 24x7 NOC this role will provide dedicated support for the customer. The role, alongside side another Network Security Engineer will, on a day to day basis report … directly to the customer. The role will monitor, manage and support highly secure, complex network environments for our financial services customer, a global bank with offices in Central London. Key interfaces: Internal network and security teams within the Customer, ITC NOC Manager, Service Manager/Account Management, Network ...

Description We're looking for a talented infrastructure engineer who thrives on solving complex challenges at scale. This is your opportunity to shape the future of our technology landscape while growing your career alongside some of the best minds in the industry. At JPMorganChase, your expertise will directly influence … drive technical strategy, mentor fellow engineers, and partner with cross-functional teams to deliver highly available, secure, and performant systems. As a Lead Infrastructure Engineer at JPMorganChase within the Network Services team, you will play a critical role in designing, building, and optimizing the infrastructure platforms that support ...

Gujral is seeking a Senior Network Engineer with a strong security background focused on Cisco implementations in the City of London. The role combines BAU support with design of scalable, secure networking solutions across data centre and branch environments. The candidate will diagnose issues, remediate BAU events ...

About the role Senior Infrastructure Engineer (Cloud & Network) | London (Hybrid) We're looking for a Senior Infrastructure Engineer to help shape and support a modern, cloud-first technology environment. This is a hands-on role for an experienced infrastructure professional who enjoys working across cloud, networking … more modern and globally aligned technology platform. What you'll be doing Acting as a senior technical escalation point for infrastructure, cloud and network issues Supporting and improving Azure, Microsoft 365 and hybrid infrastructure services Managing and maintaining enterprise networking, firewalls, VPNs and connectivity services Delivering infrastructure changes, upgrades ...