1 to 25 of 183 TCP/IP Jobs in London

Global Switch Service Engineer

Hiring Organisation
SSR C&T
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 45,000 Annual
Control, Intruder, Intercom Systems and other security solutions. Responsibilities: Provide technical expertise in fault finding and repairs of varied selection of PC / Network based and analogue security systems with a working knowledge of different high end software packages. Provide technical expertise in fault finding and repair … systems from small scale to large Multi-site installations with PC Based front ends. Have understanding of fibre optic transmission systems, LAN / WAN networks and radio telemetry systems to effectively remedy any faults. Liaise with higher grade engineers where required. Provide emergency solutions when operating ...

Senior AWS Systems Engineer: Automation & Reliability Lead

Location
Greater London, England, United Kingdom
efficiently and routinely deliver the right things with limited guidance. They use technology to solve complex problems. They are able to improve and / or drive improvements to these services and features for their team. They understand how their work impacts multiple teams. They are able to take … They understand how technical decisions impact their team, and other, teams’ services and recommend opportunities and solutions for these problems. They optimize and / or automate team processes, ensuring they meet organisation goals. They lead implementation reviews (e.g., designs, code, operational readiness, deployment plans, system changes, etc.). ...

Network Engineer - F5 / DDI (BlueCat)

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£60 - £64 per day
Network Engineer - F5 / DDI (BlueCat) | £64 / hour (Inside IR35) | 9-12 months | Large enterprise client We're looking for an experienced network engineer to join the operations team. This is day to day incident response and production support, not a project / build role. You'll be the technical SME for DDI / DNS and load balancing infrastructure, owning incidents through to resolution and keeping the environment running. BlueCat is essential - candidates without hands-on BlueCat experience will not be considered for this role. Key details: Rate ...

Network Engineer - F5 / DDI (BlueCat)

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60.00 - £64.00 per day
Network Engineer - F5 / DDI (BlueCat) | £64 / hour (Inside IR35) | 9-12 months | Large enterprise client We're looking for an experienced network engineer to join the operations team. This is day to day incident response and production support, not a project / build role. You'll be the technical SME for DDI / DNS and load balancing infrastructure, owning incidents through to resolution and keeping the environment running. BlueCat is essential - candidates without hands-on BlueCat experience will not be considered for this role. Key details: Rate ...

Senior Embedded Systems Engineer

Location
Greater London, England, United Kingdom
factory, and everything in between. We want to bring everything in-house. To do that we need excellent software and hardware to design / test / deploy thousands of machines as soon as possible. If you want to work at the intersection of electronics, firmware … from prototype to thousands of deployed industrial machines. The role System architecture design that scales Requirements capture, risk analysis, design reviews Firmware design / test / deploy (embedded C / C++, RTOS, embedded Linux) Wiring harness design for data and power distribution DfMA ...

Lead Linux System Administrator

Location
Greater London, England, United Kingdom
scratch, updating configurations, and modifying code paths where needed. Understanding of kernel bypass and its relationship to latency‐sensitive devices. Strong knowledge of TCP / IP, networking concepts, security fundamentals, implementation, and troubleshooting. Experience with monitoring tools, alerting, and operational support solutions. Proven analytical … those who show passion and grit in their work. To learn more about our offices across the globe, please copy and paste https: / / www.morganstanley.com / about-us / global-offices into your browser. Certified Persons Regulatory Requirements: If this role ...

Production Services Specialist - IP Services

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£60 - £64 per hour
Production Services Specialist II | Remote | Inside IR35 | £60 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 ...

Production Services Specialist - IP Services

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60.00 - £64.00 per hour
Production Services Specialist II | Remote | Inside IR35 | £60 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 ...

Senior Security Architect

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
usability. Knowledge of security standards and regulations (e.g. NCSC, ISO, SoC, NIST, PCI, GDPR). Experience in one of the following specialisms: AI / ML / Data / Cloud / M365 / Security Architecture Experience in application architecture, software development … / or infrastructure architecture. Industry experience in one of the following sectors: 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 ...

Senior IT Engineer

Hiring Organisation
Searchability
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
Senior IT Engineer Location: London / Surrey - client-facing with travel to customer sites Salary: £45,000-£50,000 Environment: Managed IT Services / MSP The Role We're looking for an experienced Senior IT Engineer to join a growing Managed IT Services provider supporting … migrations. Lead and contribute to client IT projects from planning through to implementation. Troubleshoot Windows desktop and server environments. Diagnose networking issues across TCP / IP, private IP addressing, DNS, DHCP and VPNs. Support and configure firewalls, networking equipment and connectivity. Work ...

Infrastructure Engineer Top Tier Hedge Fund

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
years' experience in a FUND or ASSET MANAGER or PROP SHOP Degree in computer science or associated technology degree Microsoft Windows 7 / 8 / MAC OS Active Directory and group policy Administration Windows networking (DHCP, DNS, TCP / IP … . Microsoft Exchange Server 2007 and 2010. SecureClient / VPN VMWare or some Virtualisation Cisco Blackberry Enterprise Server Powershell Scripting SCCM Config Manager Administration for OS, application and patch deployment and reporting Software Packaging / Admin Studio IPC Dealerboards and Cisco Phones HP Hardware Bloomberg / ...

Systems Integration Specialist Advisor - TCP/IP Security

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Systems Integration Specialist Advisor - TCP / IP Security to join our team in London, London, City of (GB-LND), United Kingdom (GB).JOB PURPOSEAs part … security architecture, serve as an ambassador for security design best practices and providing security architecture and design consulting as required. As an AI / ML Security Architect, you will play a critical role in supporting all of Liberty Global' s AI-related efforts from a security standpoint ...

Lead Software Engineering - C++

Location
Greater London, England, 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 ...

Contract Software Engineers C# & C++ (Linux)

Hiring Organisation
Enterprise Recruitment Limited
Location
New Malden, London, United Kingdom
Employment Type
Contract, Work From Home
months | Inside IR35 Were hiring two separate contract engineers to work on hardware-integrated software projects: Contract C# Software Engineer (Windows) C# / .NET Windows desktop applications (Windows Forms) Multi-threaded & networked applications TCP / IP, UDP Hardware / physical … days per week (initially full-time on-site) Contract C++ Linux Software Engineer (Embedded) Strong C++ on Linux Embedded software experience Networking (TCP / IP, UDP) Build systems (OpenEmbedded / BitBake desirable) Hybrid working once up to speed (up to 2 days ...

Security Architect

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 ...

Security Architect

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

Cyber Security Architect - 6 month contract

Hiring Organisation
Circle Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650 per day
Cyber Security Architect 6-month Contract London or Southampton (~1x a week) Open to either £90k (pro rata) FTC, or £550-650 / day Inside IR35. Cyber Security Architect Our client in the IT Consultancy sector is seeking an experienced Cyber Security Architect with a strong background … recommendations. Collaborate across network, cloud, infrastructure, application and security teams. Key Requirements Strong experience in enterprise network and security architecture. Good knowledge of TCP / IP, routing, DNS, VPNs and secure connectivity. Hands-on architectural experience with enterprise firewall technologies. Understanding ...

Cyber Security Architect - 6 month contract

Hiring Organisation
Circle Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £650.00 per day
Cyber Security Architect 6-month Contract London or Southampton (~1x a week) Open to either £90k (pro rata) FTC, or £550-650 / day Inside IR35. Cyber Security Architect Our client in the IT Consultancy sector is seeking an experienced Cyber Security Architect with a strong background … recommendations. Collaborate across network, cloud, infrastructure, application and security teams. Key Requirements Strong experience in enterprise network and security architecture. Good knowledge of TCP / IP, routing, DNS, VPNs and secure connectivity. Hands-on architectural experience with enterprise firewall technologies. Understanding ...

Low latency eTrading Connectivity - Fixed Income Trading

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
production code. Key ResponsibilitiesHands-on Engineering & ArchitectureCore Development: Design, write, and optimize ultra-low-latency, high-throughput exchange connectivity software in Rust, C / C++, and Java. Architectural Ownership: Define the technical architecture for next-generation exchange gateways, order routing systems, and execution client interfaces. Latency Optimization: Conduct … technological advancements. System Design Decisions: Act as the ultimate decision-maker for critical system designs, protocol implementations, and hardware / software trade-offs. Technical Delivery & MentorshipDelivery Leadership: Take end-to-end technical ownership of complex, strategic connectivity initiatives from concept to production deployment. Code Quality ...

IT Support Engineer

Hiring Organisation
Searchability
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £35,000 per annum
Support Engineer Location: London / Surrey - client-facing with travel to customer sites Salary: £30,000-£35,000 DOE Job Type: Full Time | Permanent Environment: Managed IT Services / MSP The Role We're looking for an IT Support Engineer to join a growing Managed … network and infrastructure issues. Support Microsoft 365 and Modern Workplace environments. Administer Active Directory, user accounts, permissions and Group Policy. Support Windows 10 / 11 desktop environments. Troubleshoot networking issues including TCP / IP, DNS, DHCP and VPNs. Manage support tickets through ...

Software Developer, C++ / Electronic Trading

Hiring Organisation
Ncounter
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
Software Developer, C++ / Electronic Trading London | Hybrid | Permanent Ncounter is supporting the growth of a specialist electronic trading technology team responsible for building and enhancing high-performance systems operating across global financial markets. We are looking for an experienced Software Developer with strong C++ skills … time market and trading data through highly available systems • Developing efficient in-memory data structures, lock-free queues and circular buffers • Working with TCP / IP, UDP, multicast and other networking technologies • Troubleshooting, profiling and optimising performance-critical production applications • Supporting automated testing, DevOps ...

Senior Network Engineer

Hiring Organisation
Hawke Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
Degree (or equivalent ) in a computer related subject Must have knowledge of the following: windows 2003 and above, exchange server, LANs, WANs, virtualisation, TCP / IP, Routing, SANs, network design, firewalls, Active Directory, encryption technologies, system monitoring and management Ability to maintain … Governance and its application within IT Must be able to demonstrate commitment to customer facing service Ability to demonstrate significant experience of managing / motivating staff and developing staff Understanding of core Internet protocols (e.g., TCP / IP, UDP, DNS, SMTP ...

Network Security Specialist

Hiring Organisation
Liberty Global
Location
London, UK
Employment Type
Full-time
core network of Liberty Global. Identify and advise our ISP networks to implement similar security measures and monitoring. Review and generate technical specifications / documentationTranslate, create, and hand over network monitoring use cases and tread play books to incident response teamsAct as a mentor, technical lead and escalation … mitigation, BGP routing and traffic analysis. Trace and identify sources of BGP hijacks, BGP leaks, DDoS, malware or other abuse trafficReview and update / improve security requirements set in policies / guidelines and make sure that these are following industry best practice. Identify potential areas ...

Senior Service Desk Engineer

Hiring Organisation
Context Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
mobile devices and other endpoints Troubleshoot Windows desktop and Windows Server-related issues Diagnose basic networking and connectivity issues across DHCP, DNS and TCP / IP Perform security administration and access-management activities Support IT projects including laptop builds, deployments, upgrades and technology rollouts … function Skills & Experience Strong experience within a Service Desk, IT Support or 2nd Line Support environment Good technical knowledge of Windows 10 / 11, Microsoft 365 and Active Directory Experience supporting Microsoft Windows Server-based infrastructure Previous experience using ServiceNow or a similar enterprise ITSM platform Experience troubleshooting ...

Lead Cloud Specialist - Linux

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
specialist to lead a team of talented and driven people focusing on keeping my clients applications working smoothly and without fault 24 / 7. You will be given the task to scale up and improve my clients cloud services as well as providing 4th line support for customers. … Linux cloud specialist you will need the following: Solid Linux experience Red hat / CentOS preferable (Windows knowledge is an added bonus)Good scripting in Bash or PerlMonitoring toolsConfiguration management and automation tools (Puppet, Chef)Good AWS EC2 experienceNetworking (TCP / IP ...