13 of 13 TCP/IP Jobs in Central London

Guide clients through onboarding and testing, ensuring adherence to MTF requirements and trading rules. Troubleshoot client connectivity or trading issues (including FIX sessions, TCP / IP connectivity, firewall or routing matters), escalating to technology & engineering teams where necessary. Trading & Market Technical Operations Monitor live … client connectivity or technical infrastructure. Strong knowledge of European financial markets, particularly equities and FX trading landscape. Familiarity with Networking, networking fundamentals (TCP / IP, multicast, firewalls, VPNs), FIX protocol, market data feeds, and order / trade lifecycle processes. ...

Cisco, Fortinet, Aruba & Meraki technologies. Advanced knowledge of WAN, LAN, DC and other networking technologies Minimum of 5 years’ hands on experience of TCP / IP networks Minimum of 5 years’ hands on experience with multi-vendor routers / switches / Wi-Fi / firewalls Minimum of 5 years’ hands on experience with all routing protocols Minimum of 5 years’ hands on experience with the implementation and troubleshooting of QoS Candidate must be customer focused, have excellent organisational skills, have a logical approach to problem solving ...

Backend Software Engineer / Developer (Windows C / C++, C#) London to £75k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider. As a Backend … with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office four days a week with flexibility to work from home once a week. (There ...

threat intelligence sources to identify emerging risks relevant to the organisation. Required Skills: * Strong understanding of network protocols and system behaviour including TCP / IP, DNS and HTTP / S. System internals (Windows, Linux), and cloud environments (Azure and AWS). * Experience ...

Juniper, Cisco Project experience preferably in migration Network infrastructure and application flow through firewalled environment Demonstrate an expert understanding of networking protocols including TCP / IP and Ethernet protocols Expert design knowledge of IP based networking architecture Understanding of IGP & BGP IP … language Python Proven experience in working on large scale project Planning, coordination and execution of assigned network delivery project Perform coordination with internal / external vendor, internal bank personnel and other stakeholder for matter relating to network delivery Ensure compliance on work carried out against the bank standard ...

Responsibilities Design and develop network architecture strategies aligned with business needs and industry standards. Implement and manage network security measures (firewalls, VPNs, IDS / IPS). Configure and maintain routers, switches, wireless systems, and firewalls. Deploy scalable, high-performance network solutions with minimal downtime. Conduct regular network maintenance … management. Willingness to travel to remote sites as needed. Essential Experience & Knowledge Proven experience as a Senior Network Engineer. Proficiency in network protocols (TCP / IP, BGP, OSPF). Hands-on experience with Cisco, Meraki, Fortinet, NETGEAR, ZYXEL. Experience with SD-WAN technologies ...

application issues via Citrix Director Manage end-user onboarding and offboarding, including hardware provisioning, account setup, and access management via Active Directory / Microsoft Entra ID Maintain and manage hardware inventory, printers, and AV equipment across the London office Administer and support Microsoft 365 and Windows desktop environments … supporting Citrix Virtual Desktop Infrastructure (VDI) Solid knowledge of Windows desktop operating systems and core Microsoft 365 applications Experience with Active Directory and / or Microsoft Entra ID for user and device management Strong network troubleshooting skills, including TCP / IP ...

Role: Infrastructure Project Engineer Company: IT Solutions / Services Provider Location: Barbican (Hybrid) Salary: £45,000 - £50,000 Infrastructure Projects: Design, implement, and upgrade complex IT systems, including cloud migrations, server deployment, and network infrastructure improvements. System Optimization: Monitor performance, identify bottlenecks, and implement proactive optimisation to maintain … Stack: Advanced knowledge of Active Directory, Group Policy, Microsoft 365, and Azure. Virtualization & Networking: Proficiency in VMware or Hyper-V, and networking protocols (TCP / IP, L3 routing, VLANs) Automation: Scripting skills (PowerShell) for automation and system management Security: Strong understanding of backup solutions ...

Juniper, Cisco Project experience preferably in migration Network infrastructure and application flow through firewalled environment Demonstrate an expert understanding of networking protocols including TCP / IP and Ethernet protocols Expert design knowledge of IP base click apply for full job details ...

Connectivity & Messaging Engineer — Senior Platform / Infrastructure Role Salary: £85.000 - 120.000 Location: London We’re partnering with a dynamic technology-driven organisation looking for an experienced Connectivity & Messaging Engineer to help build and evolve a core distributed messaging and connectivity platform that underpins mission-critical systems. What … maintain and optimise high-throughput, low-latency messaging solutions with a focus on resiliency, observability and automation. Drive improvements to test automation, CI / CD pipelines and deployment processes to ensure high quality and repeatable releases. Provide operational support and incremental enhancements for a 24 / ...

premises server and desktop environments Directory and identity management systems Mobile device management solutions Cloud-based productivity platforms Networking fundamentals (e.g., DNS, DHCP, TCP / IP) Ability to manage multiple incidents and priorities. Personal Attributes Strong analytical and problem-solving skills. Excellent communication skills. ...

strong coding ability Problem-solving through automation Ability to prioritise and work independently Strong communication and teamwork skills Desirable Knowledge of networking (TCP / IP) and full-stack infrastructure Experience with Git, Python, and Ansible Familiarity with containers (Docker, Kubernetes, LXC) Experience with monitoring ...

backend systems with .NET C# and ASP.NET Core Web APIs Strong understanding of Clean Architecture , CQRS , ideally with MediatR Experience with communication protocols: TCP / IP, UDP, REST, gRPC, SignalR Familiarity with RESTful API design Experience with event‐driven architectures and tools like RabbitMQ ...