26 to 38 of 38 Network Engineer Jobs in the City of London

Network Automation Engineer – Scalable Research & Trading Infrastructure A technology-first quantitative research group is searching for an experienced Network Automation Engineer to help modernise and streamline its global compute and research estate. In this position, you’ll focus on transforming complex network operations into clean … reliable, code-driven systems that support large-scale analytics and latency-sensitive workloads. What You’ll Focus On Automated Network Delivery: Build systems that convert design intent into predictable, testable, and fully automated network changes. State & Configuration Modelling: Define structured data sources, schema, and validation logic to maintain ...

Network Engineer with Zscaler Experience You must have an active DV for this role Inside IR35 Purpose of the Role The Zscaler Technical Specialist provides deep technical expertise in Zscaler technologies to enhance and optimize the organization’s secure access and cloud security posture. Working closely with Engineering … Network, and Security teams, this role uplifts internal capability, improves configuration and deployment practices, and ensures the Zscaler platform is fully leveraged to deliver secure, scalable, and high-performance connectivity across global Diplomatic and Development Services. This position plays a key role in driving best practices, reducing technical debt ...

Responsibilities Design, deploy, and maintain LAN, WAN, WLAN, and VPN infrastructure Monitor network performance and troubleshoot issues to ensure high availability Configure and manage routers, switches, firewalls, and load balancers Implement and maintain network security measures, including firewalls, IDS/IPS, and access controls Perform network upgrades … patches, and capacity planning Document network configurations, procedures, and diagrams Collaborate with systems, security, and cloud teams to support IT initiatives Provide tier 2/3 network support and participate in on-call rotations as required Ensure compliance with company policies and industry best practices Required Qualifications Bachelor ...

expanding its infrastructure footprint in Europe and building out its networking capability in London for the first time. This hire will become the first network engineer based locally, working closely with a recently appointed Head of Networks in the U.S. and partnering with engineering and research teams across … multiple regions. The role sits at the intersection of delivery and operations. You’ll contribute to new network build-outs while also supporting an existing low-latency estate that underpins trading and research systems. The environment spans traditional data centre networking, cloud connectivity, automation, and performance-sensitive routing - offering ...

Salary: Competitive + bonus + benefits Location : London - hybrid 2 days in the office We’re searching for a Network Engineer with strong Azure networking expertise and experience in regulated industries. This is a hands‐on technical position where you’ll take ownership of Low‐Level Designs, lead … secure, scalable, and future‐proof. You’ll be embedded in a high‐performance environment, working closely with Infrastructure and Architecture teams to deliver strategic network solutions that meet strict compliance and resilience standards. In this role you will: Design and implement LAN, WAN, WLAN, and SD‐WAN solutions across ...

looking for an experienced Cloud Platform Network Engineer to join a growing technology team working on secure, large-scale cloud environments. This permanent role will focus on delivering reliable, scalable and secure Azure network infrastructure across hybrid platforms. Key Responsibilities: Design and implement Azure networking solutions including ...

Gain exposure to the latest tools and solutions in endpoint management, cybersecurity, and enterprise systems. Role purpose Design, code, and manage secure cloud-based network infrastructure in Azure, AWS, and other public clouds. In this role, you will ensure scalable and reliable connectivity across multi-cloud and hybrid environments … enabling cloud services that underpin UK Government and enterprise operations. You will work closely with architects, developers, and security teams to align network designs with business and compliance needs. This is a highly technical role suitable for an expert engineer with a good grasp on connectivity, cloud technologies ...

client, a leading hedge fund, is seeking a Senior Infrastructure Engineer to join their in-house engineering team. This individual will be responsible for designing, implementing, securing, and managing modern infrastructure services - partnering closely with Information Security and Support to deliver reliable trading platforms across the enterprise. This … opportunity to work hands-on with the latest Microsoft technologies - as well as core network infrastructure spanning LAN/WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/IP networking fundamentals, proven scripting/ ...

Contract Network Security Engineer - Zscaler (ZIA/ZPA) Duration: 6 Months Rate: £575 per day ECS Resource Group are working with a global consultancy on a large-scale infrastructure project and are looking for an experienced Zscaler Engineer to join the team. Role Overview … within a complex global network. Key Skills: Strong experience with Zscaler Internet Access (ZIA) and/or Zscaler Private Access (ZPA) Solid background in network security, firewalling, and proxy technologies Experience integrating Zscaler with identity and access solutions (e.g. Azure AD, Okta) Scripting or automation knowledge advantageous (Python, PowerShell ...

Contract Network Security Engineer - Zscaler (ZIA/ZPA) Duration: 6 Months Rate: £575 per day ECS Resource Group are working with a global consultancy on a large-scale infrastructure project and are looking for an experienced Zscaler Engineer to join the team. Role Overview … within a complex global network. Key Skills: Strong experience with Zscaler Internet Access (ZIA) and/or Zscaler Private Access (ZPA) Solid background in network security, firewalling, and proxy technologies Experience integrating Zscaler with identity and access solutions (e.g. Azure AD, Okta) Scripting or automation knowledge advantageous (Python, PowerShell ...

Contract Network Security Engineer - Zscaler (ZIA/ZPA) Duration: 6 Months Rate: £575 per day ECS Resource Group are working with a global consultancy on a large-scale infrastructure project and are looking for an experienced Zscaler Engineer to join the team. Role Overview ...

Role title: Senior Network SRE London, UK Contract Senior Network SRE with 10+ years in multi-vendor routing, switching, firewalling, wireless, automation (Ansible, Salt), and observability tools (Grafana, Splunk) Experience level: 10+ years Core skills: routing, switching, firewalling, wireless Automation & monitoring tools: Ansible, Salt, Grafana, Splunk ...

Support all systems in this prop Trading Firm as part of a small IT team. You’ll be joining a team with responsibility for all IT, so you’ll get plenty of variety and will ...