1 to 25 of 79 TCP/IP Jobs in London

+ Benefits Package. Location: Onsite Monday to Friday during term time - role is shared between 2 Schools - 3 days in Blackheath, London / 2 days in Hampstead, London (expenses covered for travel to Hampstead). Flexibility to work from home, or reduced hours during the School holiday periods. … established independent schools using a mix of Microsoft 365, Google Workspace, Windows, MacBooks & iPads. Technical Skills - Experience Required: 2nd Line IT Support Engineer / System Administrator. Education sector experience is advantageous. Microsoft 365 Administration. Google Workspace Administration. MDM - Intune - iPad & macOS MDM solutions. Entra ID. Windows 11 / ...

Leading Crypto Trading Client requires a Platform Engineer (Networking Development, Support Administration) with Web Scraping, Python and TCP IP Networking tools and Linux. All rounder position will look after Network Virtual Servers, self starter, must be able to communicate with senior stakeholders in the build … crypto trading operation Be able to proactively analyze, drive, and own, performance and process improvements along all parts of the chain Strong Linux / TCP IP network stack knowledge, as well as optimization / tuning Collaborate closely with development team in terms ...

Leading Crypto Trading Client requires a Linux SRE Platform Engineer (Networking Development, Support Administration) with Web Scraping, Python, TCP IP Virtual Servers & Networking skills who thrives on ownership and loves solving problems on a global scale. C Stakeholder facing position, candidate will be a self starter … infrastructure SME for a 24x7x365 globally distributed ethical web scraping function, supporting a multi region high frequency crypto trading operation Strong Linux / TCP IP network stack knowledge, as well as optimization / tuning Liaise closely and collaboratively with central infrastructure team ...

Reliance High-Tech / Reliance Protect is the UK's largest independent integrator / installer of security solutions / lone worker solutions. We are trusted by leading brands and organisations to protect their people, assets and reputations through innovative technology and specialist expertise. Unique … industry, Reliance High-Tech / Reliance Protect combines the capability and footprint of a large organisation, with the agility and customer focus of an independent business. We operate at the top end, for the most discerning clients, in the most demanding and complex environments with the highest stakes ...

Developer - HFT London, United Kingdom Posted about 1 year ago This is a job posted by our partner Jooble. Tech stack Linux C TCP / IP Go Python Debian Essential Attributes Proficiency in programming languages particularly Go but also Python or C. Demonstrable experience … passion for automation. Strong experience using Linux (RedHat / Debian), TCP / IP networking, and systems from a commercial perspective. Compensation £150K - 200K Role type Full time Visa sponsorship Not provided Benefits & perks No additional benefits listed. #J-18808-Ljbffr ...

ownership of embedded software features from architecture and development through to production deployment and field support. Key Responsibilities * Develop embedded software in C / C++ for connected products and IoT devices. * Design and implement firmware on ESP32, STM32 and similar embedded platforms. * Develop device connectivity solutions using MQTT … TCP / IP, HTTPS, TLS and related technologies. * Implement secure communication, authentication and device provisioning mechanisms. * Design and develop OTA update systems, bootloaders and firmware validation processes. * Develop telemetry, remote diagnostics, monitoring and device management functionality. * Support software architecture, code reviews and software quality ...

ownership of embedded software features from architecture and development through to production deployment and field support. Key Responsibilities * Develop embedded software in C / C++ for connected products and IoT devices. * Design and implement firmware on ESP32, STM32 and similar embedded platforms. * Develop device connectivity solutions using MQTT … TCP / IP, HTTPS, TLS and related technologies. * Implement secure communication, authentication and device provisioning mechanisms. * Design and develop OTA update systems, bootloaders and firmware validation processes. * Develop telemetry, remote diagnostics, monitoring and device management functionality. * Support software architecture, code reviews and software quality ...

Role Title: Platform AWS Engineer Duration: contract to run until 31 / 10 / 2026 Location: London. Hybrid working with occasional travel Rate: up to £552 p / d Umbrella inside IR35 Clearance required: Active SC Clearance. UK National Required Skills Linux (Redhat, RPMs … SELinux, filesystems, users / groups, systems management) Ansible Git (Github, Actions CI, repositories, branches, merge requests / code reviews, etc) General networking, IP addressing, CIDRs, TCP / IP, TLS certificates, etc. Running and working with Java applications, JVMs ...

working alongside project teams and clients to deliver successful installations Technologies you'll be working with: Windows Server & Active Directory Microsoft Azure VMware / Hyper-V Cisco, HPE, Aruba & Dell hardware Firewalls, wireless infrastructure & networking TCP / IP, DNS, DHCP & VLANs Structured … cabling (Cat5e / Cat6 / Fibre) Server racks, patch panels & cable management Backup technologies & ConnectWise (or similar) What's on offer: Salary up to £45,000 Company van & fuel card Exposure to a variety of infrastructure and data centre projects Ongoing training and career development Opportunity ...

global investment bank is hiring a C++ Algo Trading Engineers / Strategists (VP / AVP) to join a global Cash Equities Algo Execution team. You will work on the design, development and optimisation of trading algorithms across Best Execution, Smart Order Routing, market data, order execution … bring: * Strong C++ engineering experience* Experience in electronic trading, algo execution, market data or order execution systems* Strong understanding of low-latency / high-throughput systems* TCP / IP, UDP or multicast networking experience* Smart Order Routing, Best Execution or risk system ...

experienced Infrastructure & Network Manager to play a critical role in stabilising and evolving core IT foundations. You will be responsible for ensuring 24 / 7 continuity across infrastructure and network services. You'll lead a skilled team, drive operational excellence, and play a key role in reducing technical … input into platform evolution. Key Responsibilities Operational Excellence & Stability Own and manage day-to-day operations across core infrastructure, including data centres, LAN / WAN, Wi-Fi, and server environments Define, implement, and enforce robust SOPs for backups, disaster recovery, patch management, and hardware lifecycle Ensure reliable connectivity ...

platform. Responsibilities and Duties Build and automate hybrid infrastructure using Infrastructure-as-Code (Terraform), with a primary focus on container platforms and Kubernetes / OpenShift environments. Continuously improve automation across containerised, on‐prem, and cloud environments using Ansible, Python, and supporting tooling. Collaborate with Development and Infrastructure teams … help steer architectural decisions with an emphasis on container orchestration, automation, reliability, and operational excellence. Support internal teams with build pipelines, CI / CD systems, OpenShift / Kubernetes workloads, and developer tooling. Assist Linux engineering with deployment, configuration management, and systems operations at scale across containerised ...

Site Reliability Engineer (Mid / Senior) South West London (Hybrid – 1–2 days onsite) Salary: Competitive + Benefits We are looking for a Site Reliability Engineer to join a well-established small infrastructure team supporting a highly available, production environment. This is an exciting opportunity to work across … call rota involved) Implement security hardening and infrastructure best practices Manage backup and disaster recovery processes and regular testing Support and improve CI / CD pipelines and deployment processes Collaborate with engineering teams to improve reliability and performance Essential Skills Strong Linux systems administration (Ubuntu preferred) Experience running ...

hardening, and monitoring – including but not limited to common network device types such as firewalls, load balancers, switches, routers etc. Strong knowledge of TCP / IP network fundamentals Knowledge of scripting languages (shell, python) and / or automation tooling is a plus … Experience of Network Security Detection, Prevention and Monitoring technologies such as IDS / IPS, WAF / anti-DDoS, NAC, SIG, VPN, Certificate managers etc. Experience of other common cyber security technologies and concepts such as EDR, AV, Vulnerability scanning, threat intelligence, encryption / cryptography ...

clear communication, and the ability to support demanding front-office users with urgency and professionalism. Key Responsibilities Trade desktop support: Provide Tier II / III support for traders, schedulers, and Commercial users across desktops, laptops, virtual desktops, peripherals, Microsoft 365, collaboration tools, market data tools, and core business … applications. Service restoration: Troubleshoot and resolve high-impact workstation, application, printing, audio / video, authentication, network, and connectivity issues affecting trading or scheduling activity. Global coverage: Participate in 24x7 on-call, shift-based, and follow-the-sun support with Houston, London, and Singapore teams, ensuring clear handoffs ...

implementations, switch deployments, network connectivity and workstation rollouts in collaboration with network engineers and project teams. Monitor, maintain and upgrade infrastructure including LAN / WAN networks, wireless solutions, PDUs, UPS systems, cooling equipment and communications cabinets. Provide hands-on technical support for desktops, laptops, printers, scanners, biometric devices … server and workstation deployments. Proven experience installing, cabling and troubleshooting network infrastructure within enterprise or multi-site environments. Working knowledge of Layer 2 / Layer 3 networking concepts, VLANs, TCP / IP, DHCP, DNS and network security principles. Experience with network switches ...

Network & Infrastructure Engineer Location London / Hybrid Salary £45,000-£55,000 DOE About the Role Veritas Workspace Solutions is a growing Managed Service Provider (MSP) delivering networking, cloud, cyber security, telecommunications and IT infrastructure solutions to businesses across the UK. We are looking for an experienced Network … improve customer infrastructure and resilience. Essential Skills & Experience 3+ years' experience in a Network Engineer, Infrastructure Engineer or similar role. Strong understanding of IP addressing, subnetting, DNS and DHCP. Knowledge of TCP / IP, UDP, ICMP and core networking protocols. Strong understanding ...

deliver resilient and secure platform services. Essential Skills & Experience DevOps & Linux Strong Linux administration experience (RedHat environments) Knowledge of RPMs, SELinux, filesystems, user / group management, and system administration Experience with Ansible automation Strong Git knowledge including GitHub, GitHub Actions CI, repositories, branching, merge requests, and code reviews … Sound understanding of networking concepts including IP addressing, CIDRs, TCP / IP, and TLS certificates Experience supporting Java applications, JVMs, and process management Nginx administration, particularly as a reverse proxy Performance tuning and capacity management across CPU, memory, and storage Experience with ...

deliver resilient and secure platform services. Essential Skills & Experience DevOps & Linux Strong Linux administration experience (RedHat environments) Knowledge of RPMs, SELinux, filesystems, user / group management, and system administration Experience with Ansible automation Strong Git knowledge including GitHub, GitHub Actions CI, repositories, branching, merge requests, and code reviews … Sound understanding of networking concepts including IP addressing, CIDRs, TCP / IP, and TLS certificates Experience supporting Java applications, JVMs, and process management Nginx administration, particularly as a reverse proxy Performance tuning and capacity management across CPU, memory, and storage Experience with ...

Support onboarding of new applications and APIs onto Akamai platforms, and maintain technical documentation, runbooks, and process guides in Confluence or equivalent Skills / Must Have Strong hands-on experience with Akamai security solutions – particularly Kona Site Defender, WAS, CDN, and WAF configuration and tuning Solid understanding … application security concepts including bot mitigation, DDoS protection, and rate limiting, with experience analysing HTTP / S traffic and security events Knowledge of TCP / IP, DNS, SSL / TLS, and CDN architectures, with the ability to balance security controls ...

network & infrastructure support, maintenance, patching, troubleshooting whilst seeking proactive operational improvement. The successful candidate will act as a key technical SME across Cisco / HP Switches, Microsoft Azure, Microsoft 365, Networking, Switching, Firewalls, Wi-Fi and Zscaler environments, ensuring systems remain secure, available, supported and aligned to group … continuous improvement activities. Support and maintain enterprise infrastructure platforms, including: Microsoft Azure and Microsoft 365 Entra ID (Azure AD) Networking, switching, Firewalls, DNS / DHCP Wi-Fi Remote access technologies (ZCC, Global Protect) Ensure infrastructure availability, reliability, and performance across cinema and office environments. Identify and remediate potential ...

penetration testing exercises, prioritising and remediating findings in a timely manner Manage and continuously improve security tooling, including SIEM, EDR, firewalls, IDS / IPS, and endpoint protection platforms Act as the escalation point for security‐related incidents across 2nd and 3rd line, providing expert guidance and driving resolution … VPNs, and wireless systems (primarily Cisco‐based), with a security lens on all configuration and change Operate across Windows and Linux (Red Hat / CentOS) environments, ensuring both are maintained to a consistent security baseline Collaborate with infrastructure and technology teams to embed security into project delivery ...

mapping, RF optimisation, and seamless roaming Own the design, upgrade, and lifecycle management of Cisco ISE environments, including version upgrades, patching strategies, backup / restore, and HA topology improvements Optimise ISE policy frameworks, including authentication and authorisation policies, profiling, posture, and identity-based access control Design … accurate technical documentation, runbooks, and support artefacts Job Requirements: Security clearance (SC cleared or the ability to become SC cleared) Strong understanding of TCP / IP and OSI model fundamentals Experience with VLANs, trunking, inter-VLAN routing, DHCP, DNS, NTP, BGP, OSPF, EIGRP Solid ...

Onsite Desktop Support Analyst / Team Leader We are seeking a proactive Onsite Desktop Support Analyst with low-level Team Leader responsibilities. This is a hands-on role providing technical support to end users while assisting with the day-to-day coordination of a small support team. … Microsoft 365 (O365) applications and services. Experience diagnosing and repairing desktop, laptop, and peripheral hardware issues. Knowledge of Active Directory, Azure AD / Entra ID, and user account administration. Basic networking knowledge, including TCP / IP, DNS, DHCP, VPNs, and wireless networking. ...

Service Desk environment. Strong Second Line IT Support experience. Excellent knowledge of Microsoft 365, Windows Desktop & Server, Active Directory / Microsoft Entra ID, networking fundamentals (DNS, DHCP, TCP / IP, VPNs) and remote support tools. Experience using professional ticketing systems. Excellent organisational … remain calm under pressure. Desirable ITIL Foundation certification. Experience supporting managed print environments. Knowledge of VoIP and connectivity solutions. Experience with automation / workflow platforms. Microsoft certifications. Experience producing service reports and KPIs. We're Looking For Someone Who Is Customer-focused and technically confident. Highly organised with ...