1 to 25 of 52 Permanent TCP/IP Jobs in London

Investment Banking - Low Latency C++ Developer - financial markets / Linux / Scripting / low latency / TCP / IP PURPOSE AND SUMMARY We are looking for a C++ developer to be part of the low latency … swift and frequent delivery of useful software. ESSENTIAL DUTIES AND RESPONSIBILITIES Plan, design, develop, document, test, deploy, and support new and existing features / modules SKILLS & EXPERIENCES ASSESSMENT 7+ years of C / C++ development experience Experience with financial markets / clients Experience with ...

Graduate C++ Developer / Backend Software Engineer (C++ Linux TCP / IP) Remote UK to £45k Are you a bright, enthusiastic Computer Science graduate with C++ coding skills? You could be progressing your career, working on Greenfield Cyber Security software products … Greenfield C++ projects. You'll be encouraged to learn and continuously improve your skillset, receiving mentoring from an elite team of technologists. Location / WFH: You can work from home most of the time, meeting up with colleagues in the London office once a month / ...

/ 3rd Line Support Analyst, Windows, Linux, Networking This is a broad and varied role so ideal candidates have 1st to 3rd Line experience with some Network Engineering and whilst not essential previous Application Support and Financial / Banking would be beneficial. A superb opportunity, working … dynamic Financial environment and will best suit a motivated individual with the right attitude / aptitude and excellent communication skills, able to deal with users at all levels on the phone, via e-mail and face to face. You will work alongside a range of end users’ acting ...

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 … 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 ...

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 … 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 / ...

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 ...

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 ...

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 ...

Hours: 9:00am - 17:00pm / Monday to Friday. *office based 5 days a week Salary: maximum £48,000 per annum + travel expense up to Zone 6 Location: London Global IT company is looking for a System Architect. System Architect - Responsibilities: Detailed planning, designing and developing … Networking / Knowledge level : CCNP, JNCIA TCP / IP, IPv4, IPv6, Ethernet, Data Transmission, L2 / L3 VPN, Multi-Layer Networking, QoS, Security Firewall, SDWAN, EVPN-VXLAN and IPSec. SONET / SDH, Ethernet, MPLS, Optical Networking. Generic ...

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 ...

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 ...

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 ...

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. … 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 ...

Linux Systems Administrator - Intermediate - Financial / Banking Working in a busy and vibrant Financial / Banking environment, candidates will have a minimum of 2+ years Red Hat Linux systems Administration with some Scripting - Bash / Python - and ideally some SQL / Database … learn new skills. Responsibilities and Duties Monitor and support live trading platforms during operational hours. Participate in a support rota of early / late shifts supporting exchange hours 7am - 6.30pm to provide 1st and 2nd line support for IT infrastructure. Responsible to log, categorise, and prioritise ...

Linux Systems Administrator - Intermediate - Financial / Banking Working in a busy and vibrant Financial / Banking environment, candidates will have a minimum of 2+ years Red Hat Linux systems Administration with some Scripting - Bash / Python - and ideally some SQL / Database … learn new skills. Responsibilities and Duties Monitor and support live trading platforms during operational hours. Participate in a support rota of early / late shifts supporting exchange hours 7am - 6.30pm to provide 1st and 2nd line support for IT infrastructure. Responsible to log, categorise, and prioritise ...

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 ...

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 ...

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k 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 whilst enjoying … 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. There ...

network configurations, changes, and troubleshooting steps. The ideal candidate for this Network Engineer role will have experience in an MSP or IT / Voice environment and a strong understanding of network technologies and principles: TCP / IP, DNS, DHCP, and WLAN design … / troubleshooting; VPNs (SSL / IPsec), STP, Routing, Firewall Policies, NAT, VIPs, VRRP. Experience with Microsoft Teams Voice and Collaboration and knowledge of Azure or AWS public cloud environments is advantageous. Experience with FortiGate Firewalls is a bonus. The salary on offer for this role ...

network configurations, changes, and troubleshooting steps. The ideal candidate for this Network Engineer role will have experience in an MSP or IT / Voice environment and a strong understanding of network technologies and principles: TCP / IP, DNS, DHCP, and WLAN design … / troubleshooting; VPNs (SSL / IPsec), STP, Routing, Firewall Policies, NAT, VIPs, VRRP. Experience with Microsoft Teams Voice and Collaboration and knowledge of Azure or AWS public cloud environments is advantageous. Experience with FortiGate Firewalls is a bonus. The salary on offer for this role ...

closely with engineering to resolve complex issues. Key Responsibilities: Provide 2nd line technical support across EUC (End User Computing), Microsoft technologies (Windows 10 / 11, M365, Azure), and networking (TCP / IP, DNS, DHCP, LAN / WAN). Troubleshoot ...

recommend hardware upgrades Support media playback servers, VR systems, large-format displays, projection mapping, and other production technology Skills & Experience: Experience in technical / support roles, ideally in media, creative, or SME environments Strong understanding of iSCSI, TCP / IP, NAS / ...

technical escalations Essential Experience Strong hands-on experience with Fortinet firewalls (must have) Solid VMware administration skills (must have) Cisco switching (CLI), TCP / IP, VLANs, VPNs, load balancing Strong troubleshooting and analytical skills Knowledge of Linux and Windows environments Experience deploying security updates … monitoring network performance Desirable Azure / AWS familiarity, Dell server / iDRAC experience, NetApp SAN, scripting / automation Exposure to Rubrik, Zerto, Rapid7, penetration-test remediation, and certificate management ...

Radio Engineer. Major UK Provider of Radio Systems. Covering South East. Salary £50K Basic + Car / Car Allowance + Benefits. The Company Being the UKs leading independent communications suppliers, specialising in the design, supply, installation, commissioning and maintenance of wireless voice and data networks. Our client … Radio Engineering. Role Includes: Design and build of bespoke technical solutions in line with customer requirements. Provide Technical assurance to customers. Preparation CODEPLUGS / FLEET Plans for customer requirements (Motorola & Hytera). Installation, Troubleshooting and maintenance of telecommunication equipments from different vendors: Hytera, Motorola, Tait, Simoco, Kenwood ...

remediation actions in coordination with senior engineers and incident response leads. Develop and refine detection content, queries and automated workflows within SIEM / SOAR tooling. Provide customers with clear incident summaries, technical explanations and remediation guidance. Identify emerging threats and document relevant tactics, techniques, and procedures. Support structured … e.g., MITRE ATT&CK) and common attack patterns. Hands-on experience using SIEM tools (e.g., Sentinel or equivalent platforms). Familiarity with EDR / XDR solutions such as Defender for Endpoint, CrowdStrike, SentinelOne or similar. Good grounding in core networking and security concepts (TCP / ...