1 to 25 of 94 TCP/IP Jobs in London

IT Support Engineer - 2nd Line - Permanent

Hiring Organisation
Mackenzie Jones IT
Location
Blackheath, London, Blackheath Westcombe, United Kingdom
Employment Type
Permanent
Salary
£40000/annum £40k + Benefits Package
+ 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 / ...

Operations Support Manager - Banking / Financial

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £95,000 per annum
Operations Support Manager - Banking / Financial Whilst the emphasis is on Team Lead / Managers role, ideal candidates will come from a Technical background in a Banking / Financial environment with experience of E-Trading Applications in a Linux environment with an understanding … Databases (SQL Server, Oracle) and Scripting - Python / Bash / Shell. About The Role : Managing a highly technical Support Team, looking after a Trading / Settlement Systems in a fast paced and pressurised environment. You’ll be the bridge between the business and technology ...

Production Services Specialist I

Hiring Organisation
Oscar Associates Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
EUR 90 Hourly
Production Services Specialist II | Remote | Inside IR35 | $90 p / h | 4-Day Week (up to 40 hrs, Rota-Based) | IP Services / Load Balancing & DDI We're looking for an experienced Production Services Specialist II (contract) to support a large-scale IP … BlueCat (on-prem and Cloud Resolver) infrastructure. Support incident triage, proactive reviews and disaster recovery testing. Maintain documentation, runbooks and adherence to design / governance standards. Coordinate with senior engineers, architecture and business stakeholders. Contribute to Operations projects and infrastructure improvement initiatives. Key skills: 7+ years' experience ...

IT Senior Security Architect

Hiring Organisation
17918
Location
London, United Kingdom
issues in existing system designs, including recommending sensible mitigations that balance cost, risk and usability. Knowledge of security standards and regulations (e.g. AI / ML / Data / Cloud / M365 / Security Architecture Experience in application architecture, software development … / or infrastructure architecture. Public / Healthcare / Defence / Commercial Sectors Experience in testing the security of software and infrastructure using appropriate security tools. Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques Experience of network security (e.g. OSI, TCP ...

Support Analyst, 2nd / 3rd Line Support - Financial / Banking

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £95,000 per annum
Support Analyst, 2nd / 3rd Line Support - Financial / Banking - Linux, Python, SQL. An exciting and challenging role providing 2nd / 3rd Line Support / Systems Administration for a primary Trading Application in a Linux environment, candidates must have in depth Linux … experience with strong Database / SQL and Scripting skills. Candidates will have previous Banking / Financial experience with some Market Data / Trade Floor Support and experience with FIX protocol and client onboarding. Candidates are required to have a breadth ...

Platform Engineer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
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 ...

Lead Software Engineering - C++

Hiring Organisation
17918
Location
London, United Kingdom
solutions across design, development, and troubleshooting. Design, develop, and test reliable, high-quality C++ code for trading connectivity and risk controls on Unix / Linux platforms. Implement end-to-end low latency client setups, including production rollout and post-release validation. Automate remediation for recurring issues to improve … authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review / refactoring, test strategy acceleration, incident / root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing ...

Crypto Trading Linux SRE Platform Engineer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum
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 ...

PPM Engineer - Reading and London

Hiring Organisation
Reliance High Tech
Location
London, United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum Health Care, Pension, UPsell Scheme
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 ...

Security Architect

Hiring Organisation
17918
Location
London, United Kingdom
security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR). Deep architectural xxperience in one of the following specialisms: AI / ML Security / Cloud / M365 / DevSecOps Security Architecture Experience in application architecture, software development and / … software and infrastructure using appropriate security tools. Experience with Continuous Security, Continuous Integration and Continuous Delivery techniques. Experience of network security (e.g. OSI, TCP / IP), web application security (e.g. OWASP) and cryptographic controls (e.g. PKI, TLS). We are passionate about developing people ...

Go Software Developer - HFT in London - Quant Capital

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

2nd Line Support Engineer - Hybrid - up to £42,000

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £42,000 per annum
improvement projects. Key Responsibilities Provide 2nd line support for users across hardware, software and Microsoft technologies. Troubleshoot issues across Windows 10 / 11, Microsoft 365 and Active Directory. Administer user accounts, permissions and Group Policy within Active Directory and Entra ID. Support Microsoft 365 services including Exchange Online … Teams and SharePoint. Manage devices using Intune and assist with endpoint deployments. Troubleshoot networking issues including DNS, DHCP, TCP / IP and VPN connectivity. Build, image and deploy laptops and desktops. Escalate complex issues where required while maintaining excellent customer service. Assist with ...

Embedded Software Engineer

Hiring Organisation
Professional Technical Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
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 ...

SC Platform AWS Engineer CGEMJP00347169

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Infrastructure and Design Engineer

Hiring Organisation
17918
Location
London, United Kingdom
policy requirements. You will develop network planning and design best practices, processes and tooling. You will promote, create and contribute to automation tooling / scripts into network planning and design. You will drive the software automation roadmap to improve the quality and reduce the cycle time for network … with network equipment providers. 3 years of experience in Dense Wavelength Division Multiplexing (DWDM) or Transmission Control Protocol / Internet Protocol (TCP / IP) or Network system design operations. Experience ...

Data Centre Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Orpington, London, United Kingdom
Employment Type
Permanent
Salary
£45,000
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 ...

VP/AVP - C++ Algo Trading Engineer/ Strategist - Cash Equities

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
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 ...

Network Implementation Engineer III

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Experience working with field operation technicians, engineers, contractors, or vendors in a telecommunications environment. Experience with both Layer 1 physical infrastructure (DWDM, AC / DC power, OSP / ISP) and Layer 2 / 3 networking (TCP / IP … Experience interpreting, validating, and executing complex technical deployment packages. Experience with network installation, network configuration, network infrastructure, network operations, optical engineering and operations, IP backbone, and project management. About the job As a Network Implementation Engineer, you will be the initial point of our efforts to execute deployment ...

Network Implementation Engineer III

Hiring Organisation
17918
Location
London, United Kingdom
Experience working with field operation technicians, engineers, contractors, or vendors in a telecommunications environment. Experience with both Layer 1 physical infrastructure (DWDM, AC / DC power, OSP / ISP) and Layer 2 / 3 networking (TCP / IP … Experience interpreting, validating, and executing complex technical deployment packages. Experience with network installation, network configuration, network infrastructure, network operations, optical engineering and operations, IP backbone, and project management. Responsibilities: Deliver Google's network reliably and at scale, with a focus on workflow automation and efficiency. Drive adaptable ...

Network & Infrastructure Manager - Wembley

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum + Benefits
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 ...

Site Reliability Engineer (Mid / Senior)

Hiring Organisation
Reed
Location
South West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
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 ...

Onsite AV Engineer

Hiring Organisation
Jacobs Massey
Location
City of London, London, United Kingdom
Employment Type
Permanent
Video Conferencing: -Expertise in major platforms (e.g., Microsoft Teams Townhall & Zoom) -Advanced troubleshooting of video, audio, and content sharing issues. -Understanding of SIP / H.323 protocols and cloud-based conferencing services Microsoft Teams Ecosystem: -Expert-level knowledge of MTR deployment, configuration, management, and troubleshooting (Windows and Android). … beamforming arrays) and optimal deployment. -Strong understanding of loudspeaker systems, amplification, acoustic principles, audio routing, mixing, and gain structure optimisation. -Familiarity with Dante / AVB / AES67 audio networking protocols. Display Technologies: -Expertise in projectors, interactive displays, LED walls, and commercial-grade LCD / ...

Senior Cyber Security Network Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Desktop Support Analyst

Hiring Organisation
Wolviston Management Services
Location
London, Bassishaw, United Kingdom
Employment Type
Contract
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 ...

Temporary Field Operations Engineer - 6 Month Duration

Hiring Organisation
Love Success Recruitment
Location
South Croydon, Surrey, England, United Kingdom
Employment Type
Temporary
Salary
£161 - £173 per day
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 ...