1 to 25 of 65 TCP/IP Jobs in London

C++ Developer - Low Latency, C++, FPGA, Linux, Market Data Systems, Order Entry Gateway Development, TCP / IP Protocols, Scripting Languages Role Overview: Join a high-performing low latency development team focusing on C++ components. The team specializes in delivering low-latency trading services using advanced technologies. Required Skills and Experience: Extensive C / … with financial markets and order entry gateway development Knowledge of market data and Linux systems Scripting experience is a plus Interest in low latency development principles Understanding of TCP / IP protocols is advantageous London / Contract / Hybrid Working By applying to this job you are sending us your … permission we will share this personal data with a client (or a third party working on behalf of the client) by email or by upload to the Client / third parties vendor management system. By giving us permission to send your CV to a client, this constitutes permission to share the personal data that would be necessary to More ❯

Directory Troubleshooting MS Office, antivirus software Analysing, prioritising and fixing all requests for both Head Office and Field staff and escalate issues to 3rd line as appropriate Configuring / decommissioning users Building and configuring desktops / laptops Monitoring and checking backups, capacity, security, hardware / software and operating system issues with the fileservers and … network equipment Monitoring and checking system logs Ensuring anti-virus / anti-spam is current and kept up to date on all devices Assisting and participating in project work Ensuring prioritisation of daily workload Assisting with the rollout of software updates for both Head Office and Field users (SCCM knowledge would be beneficial to this role) Overseeing stock … Line Support Participation in IT projects Software deployment and patch management Asset and inventory management What we need from you: Proven experience working in a Service Desk function / 1st Line Support Strong expertise in Windows 10 / 11 Proven experience with MS Office 365 Ability to work independently on 2nd line technical issues Strong understanding More ❯

from Help Desk and provide technical assistance to end users Assist in telecom phone setup using Cisco Unified Communications Manager and Cisco Unity Connection Administration to create extensions / voice mail and modify users’ phones when requested Setup, dismantling and relocating users’ desks Manage and maintain technology equipment inventory in asset management system Ensuring all Video Conference requests … in accordance with the requestor’s wishes Maintain strong knowledge of third-party video conference systems. Including but not limited to: WebEx, Zoom, MS Teams Travel to Europe / Paris office to provide on-site support to firm’s Paris-based community Technology Support Specialist Skills & Requirements: Bachelor’s degree or Professional certification preferred; similar to A+, N+ … with current Windows Operating Systems, Microsoft Office, Citrix, VPN, Interwoven FileSite, Innova template and other legal industry application Strong knowledge of desktop hardware and peripherals, phones, and A / V equipment (PCs, notebooks, printers, scanners, mobile phones (iOS and Android) Knowledge of network and Internet technologies, protocols and concepts (TCP / IP More ❯

in network management, team leadership, and network security. You will have a strong background in IT infrastructure, with knowledge of Windows Server, Active Directory, Microsoft 365, network protocols (TCP / IP, DHCP, DNS), and experience managing technical projects.This is a fantastic opportunity to take on a varied and technically interesting role, with autonomy and … leadership and project delivery* Experience with IT infrastructure, network security, compliance, and supporting educational systems* Strong knowledge of Windows Server, Active Directory, Microsoft 365, and network protocols including TCP / IP, DHCP, and DNS* Skilled at troubleshooting, maintaining, and optimising network systems* Based within a commutable distance of North London and happy to work More ❯

in network management, team leadership, and network security. You will have a strong background in IT infrastructure, with knowledge of Windows Server, Active Directory, Microsoft 365, network protocols (TCP / IP, DHCP, DNS), and experience managing technical projects. This is a fantastic opportunity to take on a varied and technically interesting role, with autonomy … leadership and project delivery * Experience with IT infrastructure, network security, compliance, and supporting educational systems * Strong knowledge of Windows Server, Active Directory, Microsoft 365, and network protocols including TCP / IP, DHCP, and DNS * Skilled at troubleshooting, maintaining, and optimising network systems * Based within a commutable distance of North London and happy to work More ❯

in network management, team leadership, and network security. You will have a strong background in IT infrastructure, with knowledge of Windows Server, Active Directory, Microsoft 365, network protocols (TCP / IP, DHCP, DNS), and experience managing technical projects. This is a fantastic opportunity to take on a varied and technically interesting role, with autonomy … leadership and project delivery Experience with IT infrastructure, network security, compliance, and supporting educational systems Strong knowledge of Windows Server, Active Directory, Microsoft 365, and network protocols including TCP / IP, DHCP, and DNS Skilled at troubleshooting, maintaining, and optimising network systems Based within a commutable distance of North London and happy to work More ❯

than rigid process. What We're Looking For Essential: Background in SOC, network engineering, security operations or a similar technical security environment. Strong understanding of networking fundamentals, including TCP / IP, traffic flow and general network behaviour. Confident working with SQL to interrogate and manipulate Ability to interpret data and explain what it shows … in a clear, meaningful way. Genuine interest in security research and understanding how threats appear and evolve across networks. Desirable: Exposure to Python and / or data science techniques. Experience working with large-scale security or network datasets. Interest in emerging areas such as bot detection and AI-driven security analysis. You'll gain access to extensive real … love to hear from you. Apply now if this sounds like you. Junior Security Researcher, Security Research, SOC Analyst, Network Security, Threat Intelligence, SQL, Cyber Security, Network Engineering, TCP / IP, Security Operations, Threat Analysis, Junior Cyber Security, Security Data Analyst Circle Recruitment is acting as an Employment Agency in relation to this vacancy. More ❯

Responsibilities: Configuration and administration of IBM z / OS mainframe network software. Configuration and administration of network related 3rd party system software. Provision of technical support for Mainframe Networking issues during the normal working day and out of hours on call support. Act as a Mainframe Networking resource for internal and external projects. Monitor the performance of mainframe … with all local, regional, global and regulatory policies, processes and procedures. Requirements: Experienced technician with basic skills in most and more advanced skills in some of the following: TCP / IP and associated products / protocols SNA, VTAM, APPN / … Enterprise Extender Connect Direct and other file transfer products Session Management products eg. TPX, Teleview, CL / Supersession Network Management products eg. NETVIEW, Netmaster / TCPIP Print server products eg. VPS Must be a self-starter, but also a completer / finisher who ensures that tasks / projects are fully completed with More ❯

Responsibilities: Configuration and administration of IBM z / OS mainframe network software. Configuration and administration of network related 3rd party system software. Provision of technical support for Mainframe Networking issues during the normal working day and out of hours on call support. Act as a Mainframe Networking resource for internal and external projects. Monitor the performance of mainframe … all local, regional, global and regulatory policies, processes and procedures. Requirements: Experienced technician with basic skills in most and more advanced skills in some of the following: o TCP / IP and associated products / protocols o SNA, VTAM, APPN / Enterprise Extender o … Connect Direct and other file transfer products o Session Management products eg. TPX, Teleview, CL / Supersession o Network Management products eg. NETVIEW, Netmaster / TCPIP o Print server products eg. VPS Must be a self-starter, but also a completer / finisher who ensures that tasks / projects are fully completed More ❯

Join Our Client as a Principal Control Systems Engineer (Perm / Fixed Term) Are you a seasoned control systems professional with a passion for innovation and a background in defence or highly regulated industries? An exciting opportunity awaits to become a key contributor within a leading organisation dedicated to delivering advanced naval platform management solutions. Our … Undertake additional responsibilities as directed to support project success. Essential Skills and Experience Proven expertise in designing large-scale PLC control systems based on Siemens S7-300 / 400 platforms. Demonstrable experience with fault-tolerant, high-availability, and safety-critical PLC solutions. Proficiency in industrial communication protocols such as Profibus, Profinet, EtherNet / IP, ModBus, TCP / IP, UDP, and ASCII. Solid understanding of SCADA / PLC interfacing and driver configuration. Minimum of five years' practical experience in a control systems engineering environment. Strong knowledge of testing, commissioning, and system validation processes. Educational background in Electrical / Electronic Engineering, C&I More ❯

s degree in Computer Science, Engineering, or a related STEAM discipline 3+ years' experience in software development or quantitative roles Strong hands-on programming skills in Python, C / C++, SQL, and / or C# Solid experience with Linux OS Bonus: familiarity with React, SASS / SCSS, or networking protocols (TCP / IP, FIX, ZeroMQ, etc.) A collaborative, analytical, and solutions-driven mindset What's in It for You High annual bonus potential Excellent pension scheme Private medical care Gym membership and wellbeing perks Generous holiday allowance Work-life balance through hybrid flexibility Exposure to cutting-edge technology in a fast-paced trading environment 3 stage process and … upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: roberthalf.com / gb / en / privacy-notice. More ❯

Support Engineer Qualifications, Experience and Attributes: You’re confident, client-focused and technically sharp, with: Strong hands-on experience with Windows 10 and macOS Solid understanding of LAN / WAN / Wi-Fi networking Proficiency in Windows Server 2012 / 2016 / 2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP … DFS, ADFS, FAP Knowledge of PC setup , TCP / IP networking and system configuration Experience with cloud platforms such as Office 365, Google Workspace, AWS or Azure Ability to troubleshoot client-side apps (e.g. Microsoft Office) Advanced problem-solving skills with a proactive mindset Exceptional written and verbal communication, with confidence speaking to users More ❯

Support Engineer Qualifications, Experience and Attributes: You’re confident, client-focused and technically sharp, with: Strong hands-on experience with Windows 10 and macOS Solid understanding of LAN / WAN / Wi-Fi networking Proficiency in Windows Server 2012 / 2016 / 2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP … DFS, ADFS, FAP Knowledge of PC setup , TCP / IP networking and system configuration Experience with cloud platforms such as Office 365, Google Workspace, AWS or Azure Ability to troubleshoot client-side apps (e.g. Microsoft Office) Advanced problem-solving skills with a proactive mindset Exceptional written and verbal communication, with confidence speaking to users More ❯

Latest Microsoft Technologies Experience in Setting Up and Maintaining Business System Networks Based on Microsoft Technologies Microsoft Windows Server Operating Systems Microsoft Exchange Server Microsoft Windows Hyper-V / VMware vSphere and vCentre Microsoft 365 (including email migrations, InTune deployment, Azure Information Protection, Azure AD Join, AD Connect, SharePoint Online, DLP, MDM) Microsoft Active Directory, Windows Server and … Related Server Roles (IIS / RDS / DFS / NPS) Microsoft Azure Active Directory and InTune Microsoft Azure IaaS Technologies Microsoft Azure Virtual Desktop Multi-Factor Authentication and Conditional Access Setup and Configuration for Office 365 and Related Technologies Backup Technologies (Veeam and Datto) Firewall Technologies (Sophos UTM / XG, Sonicwall, Cisco … Meraki & Watchguard) Detailed Knowledge of Switching and Routing, Including VLANs and Networking Technologies (TCP / IP, VPN, DHCP, DNS, SSL) (Aruba, Cisco, UniFi) Building Wireless networks (Meraki & UniFi) Personal Attributes: Friendly and professional. Have a passion for new and emerging technologies and thrive on developing an understanding of new solutions. Possesses good written and More ❯

s degree in Computer Science, Engineering, or a related STEAM discipline 3+ years' experience in software development or quantitative roles Strong hands-on programming skills in Python, C / C++, SQL, and / or C# Solid experience with Linux OS Bonus: familiarity with React, SASS / SCSS, or networking protocols (TCP / IP, FIX, ZeroMQ, etc.) A collaborative, analytical, and solutions-driven mindset What's in It for You High annual bonus potential Excellent pension scheme Private medical care Gym membership and wellbeing perks Generous holiday allowance Work-life balance through hybrid flexibility Exposure to cutting-edge technology in a fast-paced trading environment 3 stage process and … upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: gb / en / privacy-notice. More ❯

D into new technologies aligned with strategic goals. Key Requirements Proven experience managing IT Operations teams. Strong knowledge of Active Directory and Office 365 administration. Network administration experience (TCP / IP, DNS, WAN / LAN / Wi-Fi). Experience supporting both Windows and macOS environments. Demonstrated ability to manage More ❯

D into new technologies aligned with strategic goals. Key Requirements Proven experience managing IT Operations teams. Strong knowledge of Active Directory and Office 365 administration. Network administration experience (TCP / IP, DNS, WAN / LAN / Wi-Fi). Experience supporting both Windows and macOS environments. Demonstrated ability to manage More ❯

implementation, and optimization of enterprise-grade network solutions across the on-premises and multi-cloud environments. The ideal candidate will have deep expertise with Cisco Appliances, AWS and / or GCP networking, and a strong proficiency with Infoblox DNS, Palo Alto Firewalls, VeloCloud SD-WAN, Zero Trust solutions like Zscaler, and Azure networking. The role requires a strategic … in AWS, Azure, and GCP Optimize network reliability, performance, and scalability across hybrid and multi-cloud environments Implement automation where possible using Terraform, API integrations, Git Actions and / or Terraform Cloud Security Implement next-generation firewall policies, web application firewall rules, threat prevention on Palo Alto and cloud native Firewalls Apply DNS security best practices using Infoblox … and GDPR Collaboration and Leadership Partner with cloud, security, network, and DevOps teams to deliver integrated solutions Serve as subject matter expert for cloud networking, SD-WAN, DNS / DHCP / IPAM, and firewall technologies Provide mentorship and guidance to engineers and operations teams Monitoring and Troubleshooting Establish proactive monitoring and alerting systems across cloud and More ❯

ensuring high satisfaction Collaborate with engineering and development teams on escalations, provisioning projects, and continuous improvement initiatives Maintain documentation, knowledge bases, and configuration standards Participate in the 24 / 7 on-call rota (with additional pay) and occasional client visits Key Requirements 1–2 years’ experience in a technical support or network engineering role Solid grasp of networking … fundamentals (TCP / IP, VLANs, routing protocols like BGP / OSPF / ISIS, MPLS) Hands-on experience with enterprise networking equipment — Fortinet, Cisco, Arista, Juniper, Palo Alto, HP, or Dell Exposure to firewall configuration and IPsec VPN setup Basic Linux / Unix administration; Python scripting desirable Relevant certifications More ❯

a global financial institution, based in Canary Wharf is looking for a Desktop Support Engineer on an initial 12m fixed term contract. Minimum 3 years' experience in desktop / end-user support within investment banking, hedge fund or similar high-pressure environments. The Desktop Support Engineer will provide 2nd / 3rd line desktop and desk-side … support, in a fast-paced finance environment, supporting the trading floor, investment bankers / portfolio managers, quant teams etc. Ensuring that desktops, applications and peripherals are working optimally, with very high uptime, meeting security, compliance and performance expectations. You will also be involved in rollouts, standardisation, imaging, firmware and OS update and act as a bridge between end … users and wider IT fuctions. Key Skills: - Strong exposure of Windows Desktop OS environments (Windows 10 / 11 etc), imaging, deployment, patch management - Experience of endpoint management tools (e.g Microsoft Intune, SCCM, Autopilot) - Solid understanding of Active Directory, Group Policy, user profile / permissions management - Proficiency in troubleshooting hardware (PC, laptops, display setups, peripherals) and software More ❯

a global financial institution, based in Canary Wharf is looking for a Desktop Support Engineer on an initial 12m fixed term contract. Minimum 3 years' experience in desktop / end-user support within investment banking, hedge fund or similar high-pressure environments. The Desktop Support Engineer will provide 2nd / 3rd line desktop and desk-side … support, in a fast-paced finance environment, supporting the trading floor, investment bankers / portfolio managers, quant teams etc. Ensuring that desktops, applications and peripherals are working optimally, with very high uptime, meeting security, compliance and performance expectations. You will also be involved in rollouts, standardisation, imaging, firmware and OS update and act as a bridge between end … users and wider IT fuctions. Key Skills: - Strong exposure of Windows Desktop OS environments (Windows 10 / 11 etc), imaging, deployment, patch management - Experience of endpoint management tools (e.g Microsoft Intune, SCCM, Autopilot) - Solid understanding of Active Directory, Group Policy, user profile / permissions management - Proficiency in troubleshooting hardware (PC, laptops, display setups, peripherals) and software More ❯

Greetings!AdroitPeopleiscurrentlyhiring Title: Technical Solution Architect- Network Location:Suffolk / London UK WorkMode:Hybrid Duration: Contract Active Security Clearance Keywords:networking, LAN, WAN, MERAKI, WAN to LAN integration, QoS Role Purpose Manage / support / technical authority for customer MPN Delivery Technical lead and participate in the delivery of MPN Troubleshoot and remediate network … connectivity during testing across environments Collaborate with relevant internal / external parties where & when required Travel to customer sites for meetings as necessary Produce appropriate Migration documentation Skill set and experience: oCustomer engagement and interaction skills oAbility to generate quality documentation oExcellent knowledge of delivering network designs, IP-VPN, Cloud connectivity, Mobile Connectivity Solutions oExcellent knowledge … of LAN & WIFI knowledge oExcellent knowledge of TCP / IP and routing. it would be general networking, LAN, WAN, MERAKI, WAN to LAN integration, QoS along with general access and security controls. More ❯

with technical matters and system troubleshooting relating to infrastructure, applications and environments. Be part of an on call weekly rotation shared across the Support and Operations teams. Experience / Qualifications Essential requirements Demonstrable knowledge and experience in 3 or more of the following: Microsoft Windows Server Microsoft SQL Server Networking (Load balancing, Firewalls, TCP / IP) Linux (Debian or RHEL) Telephony / UC (SIP, ACD, VOIP) Active Directory (ADFS, domain management, users / groups, policies, certificates etc.) Infrastructure management and maintenance (COTS hardware & Virtualisation - VMware, Hyper-V) Good knowledge and experience of ITIL Experience of managing high availability environments and systems or with similar critical infrastructure delivery … successful in this role. Excellent communication skills - written and verbal. Desirable, but not essential Familiarity with Agile methodologies, tools and ways of working. Experience and knowledge of CI / CD tools. Experience in scripting / coding (Python, C#, PowerShell). Experience of common automation tools (Terraform, Ansible). Experience with monitoring solutions (Nagios, Zabbix, NetCool, Icinga More ❯

with technical matters and system troubleshooting relating to infrastructure, applications and environments. Be part of an on call weekly rotation shared across the Support and Operations teams. Experience / Qualifications Essential requirements Demonstrable knowledge and experience in 3 or more of the following: Microsoft Windows Server Microsoft SQL Server Networking (Load balancing, Firewalls, TCP / IP) Linux (Debian or RHEL) Telephony / UC (SIP, ACD, VOIP) Active Directory (ADFS, domain management, users / groups, policies, certificates etc.) Infrastructure management and maintenance (COTS hardware & Virtualisation - VMware, Hyper-V) Good knowledge and experience of ITIL Experience of managing high availability environments and systems or with similar critical infrastructure delivery … successful in this role. Excellent communication skills - written and verbal. Desirable, but not essential Familiarity with Agile methodologies, tools and ways of working. Experience and knowledge of CI / CD tools. Experience in scripting / coding (Python, C#, PowerShell). Experience of common automation tools (Terraform, Ansible). Experience with monitoring solutions (Nagios, Zabbix, NetCool, Icinga More ❯

C++ Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled C++ Software Engineer looking for a new opportunity? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a C++ Software … The platform has been built 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 three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS, C# skills would also be of benefit You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals More ❯