1 to 25 of 39 TCP/IP Jobs in London

Investment Banking - Low Latency C++ Developer - financial markets/Linux/scripting/low latency/TCP/I

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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 ...

Infrastructure Engineer - DV Cleared

Hiring Organisation
JLA Resourcing Ltd
Location
Twickenham, London, United Kingdom
Employment Type
Contract
Contract Rate
£600-650 a day Inside IR35
Leading and implementing infrastructure and network change activities. Administering Windows Server environments including AD, DNS, DHCP and Group Policy. Supporting Linux environments (Ubuntu / CentOS). Working with networking technologies including TCP / IP, load balancing and firewalls. Supporting Microsoft stack technologies … experience (2008–2025). Deep knowledge of Active Directory, DNS, DHCP and Group Policy. Experience installing and configuring Windows Server and Windows 10 / 11 environments. Good Linux administration skills (Ubuntu / CentOS). Knowledge of networking technologies including TCP / IP ...

Technical Account Manager, Equities & FX

Hiring Organisation
OneChronos
Location
London Area, United Kingdom
Guide clients through onboarding and testing, ensuring adherence to MTF requirements and trading rules. Troubleshoot client connectivity or trading issues (including FIX sessions, TCP / IP connectivity, firewall or routing matters), escalating to technology & engineering teams where necessary. Trading & Market Technical Operations Monitor live … client connectivity or technical infrastructure. Strong knowledge of European financial markets, particularly equities and FX trading landscape. Familiarity with Networking, networking fundamentals (TCP / IP, multicast, firewalls, VPNs), FIX protocol, market data feeds, and order / trade lifecycle processes. ...

TOC Network Engineer, Cingularity

Hiring Organisation
IMG
Location
City of London, London, United Kingdom
distribution services to premium broadcast networks and sports rights holders globally. Please follow this link to understand more about Cingularity’s work: https: / / cingularity.tv / what-we-do / IMG acquired Cingularity in September 2022 to provide the expertise … sales, multi-channel content production and distribution, brand partnerships, strategic consulting, digital services, and events management. It powers growth of revenues, fanbases and IP for more than 200 federations, associations, events, and teams, including the National Football League, English Premier League, International Olympic Committee, National Hockey League, Major ...

Mainframe Network Engineer

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£250 - £300 per day
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 … 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 / ...

Senior Network Engineer, Cingularity

Hiring Organisation
IMG
Location
London Area, United Kingdom
sales, multi-channel content production and distribution, brand partnerships, strategic consulting, digital services, and events management. It powers growth of revenues, fanbases and IP for more than 200 federations, associations, events, and teams, including the National Football League, English Premier League, International Olympic Committee, National Hockey League, Major … distribution services to premium broadcast networks and sports rights holders globally. Please follow this link to understand more about Cingularity’s work: https: / / cingularity.tv / what-we-do / IMG acquired Cingularity in September 2022 to provide the expertise ...

Senior Network Engineer

Hiring Organisation
IMT Resourcing Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
environment Strong team leadership combined with hands-on network engineering Solid knowledge of routing, switching, and wireless technologies Experience with MPLS / VPLS, BGP, and TCP / IP / OSI models Expertise in Juniper environments (including RSVP MPLS, VPLS, dual ...

Sales Engineer (UK home based, current SC cleared) - UNITED KINGDOM (Remote)

Hiring Organisation
Park Lane Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a strong Government / Public Sector background and current SC clearance. Key Requirements: We are looking for a client-facing technical expert with deep presales experience, capable of operating … success supporting UK Government or public sector clients Ability to translate technical challenges into clear commercial value Cisco routing, switching, gateways, and applications TCP / IP, SNMP, Netflow, VoIP LAN / WAN topologies (MPLS, Frame Relay, ATM) Security concepts and network infrastructure ...

Technical Sales Engineer

Hiring Organisation
Hyerhub
Location
London Area, United Kingdom
public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a strong Government / Public Sector background and current SC clearance . Key Requirements We are looking for a client-facing technical expert with deep presales experience, capable … commercial value Confident at C-Suite Level and able to hold customer meetings onsite Strong expertise in: Cisco routing, switching, gateways, and applications TCP / IP, SNMP, Netflow, VoIP LAN / WAN topologies (MPLS, Frame Relay, ATM) Security concepts and network infrastructure ...

AV SERVICE ENGINEER

Hiring Organisation
Alecto Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum Negotiable and Dependent on experien
dynamic and award-winning AV Service Team! Providing cutting-edge AV solutions to clients. This is a chance to work with complex AV / IT systems, deliver exceptional customer experiences, and grow your technical skills in a supportive, forward-thinking environment. What You'll Be Doing … Crestron Control & AV Switching / Matrix Systems Signal extenders (CatX / HDBaseT) Lighting / DMX control, AVoIP / Dante Networking & basic IT troubleshooting Perks & Benefits Company pension & life insurance Health & wellbeing programme Paid sick leave Opportunity for continuous professional development ...

Application Support Engineer – Endpoint Security

Hiring Organisation
TDA
Location
City of London, London, United Kingdom
diagnostics — not web development. What you’ll do: Lead web integration & compatibility (auth flows, cookies, headers, browser behaviour) Troubleshoot issues across browser, proxy / isolation, and application layers Work closely with security & network teams to resolve complex issues Document configurations, fixes, and known issues What we’re looking … Strong web fundamentals & browser troubleshooting experience Knowledge of proxies, DNS, TCP / IP, and networking basics Experience with Menlo Security (or similar) (Island.io, Prisma Browser, Chromium, SURF) Scripting (Python / Bash) and cloud exposure (AWS / Azure / ...

Network Security Engineer

Hiring Organisation
BTC Capital Markets Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 50,000 Annual
Network Security Engineer BTCC Location: To Be Confirmed Contract Type: Full-Time, Permanent Working Model: On-site / Hybrid (as applicable) Industry: Cryptocurrency / Blockchain / Fintech About BTCC Founded in 2011, BTCC is one of the world s longest-running cryptocurrency exchanges, delivering … organisational and regulatory requirements. What You Bring 3 5 years of hands-on experience in network security engineering. Strong understanding of networking principles, TCP / IP, routing, switching, and firewall technologies. Proven experience managing FortiGate firewalls and FortiSASE solutions. Familiarity with ...

Network Security Engineer

Hiring Organisation
BTC Capital Markets Ltd
Location
SE1, Chaucer, Greater London, United Kingdom
Employment Type
Permanent, Contract
Salary
£45000 - £50000/annum
Network Security Engineer | BTCC Location: [To Be Confirmed] Contract Type: Full-Time, Permanent Working Model: On-site / Hybrid (as applicable) Industry: Cryptocurrency / Blockchain / Fintech About BTCC Founded in 2011, BTCC is one of the world’s longest-running cryptocurrency exchanges, delivering … organisational and regulatory requirements. What You Bring 3–5 years of hands-on experience in network security engineering. Strong understanding of networking principles, TCP / IP, routing, switching, and firewall technologies. Proven experience managing FortiGate firewalls and FortiSASE solutions. Familiarity with ...

Senior Infrastructure Engineer

Hiring Organisation
Context Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £650/day outside IR35
Senior Infrastructure Engineer Central London £550 - £650 p / d - outside IR35 3 month initial term A well-established, growing business is seeking an experienced Senior IT Infrastructure Engineer to support both core infrastructure and M&A projects. This is a critical role during a period of ambitious … Responsibilities: * Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions * Manage core office and site networks, including LAN / WAN, VPNs, IP addressing and firewall operations (FortiGate)u * Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications ...

Senior Infrastructure Engineer

Hiring Organisation
Context Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum
Responsibilities: Lead the assessment, integration and consolidation of IT environments during mergers and acquisitions Manage core office and site networks, including LAN / WAN, VPNs, IP addressing and firewall operations (FortiGate) Conduct audits of IT infrastructure, cloud environments (Azure, AWS) and enterprise applications (ERP, CRM) Plan … escalation point for complex issues Essential Skills & Experience: Strong expertise in Azure, Microsoft 365, Windows Server and hybrid cloud environments Networking: TCP / IP, DHCP, DNS, routing, switching, VPNs, firewall configuration; CCNA / CCNP preferred Active Directory and identity management, including multi ...

Head of Campus Network

Hiring Organisation
Experian Ltd
Location
London, UK
have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn . Internal Grade C / EB7 Job Description Experians Digital Workplace team is looking for a Head of Campus Network to lead our global engineering and operations for Secure Service … infrastructure end-to-end, from RF design and surveys to deployment and optimisation. Deliver advanced RF tuning, roaming optimisation, and Wi-Fi 6 / 6E operations, with planning for Wi-Fi 7 adoption. Manage wireless controllers and cloud platforms such as Cisco Catalyst Center, Aruba Central, or Juniper ...

Head of Campus Network

Hiring Organisation
Experian Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com. Internal Grade C / EB7 Job Description Experians Digital Workplace team is looking for a Head of Campus Network to lead our global engineering and operations for Secure Service … infrastructure end-to-end, from RF design and surveys to deployment and optimisation. Deliver advanced RF tuning, roaming optimisation, and Wi-Fi 6 / 6E operations, with planning for Wi-Fi 7 adoption. Manage wireless controllers and cloud platforms such as Cisco Catalyst Center, Aruba Central, or Juniper ...

AWS Architect

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£550 - £575 per day
Architect | £600 per day (Inside IR35)- Active SC Clearance required Location: United Kingdom (Remote / Hybrid) Duration: 6 Months Initial Rate: £600 per day (Inside IR35) An exciting opportunity has arisen for a seasoned AWS Architect to join one of the largest AWS-based platforms in the UK. … Expert AWS Knowledge: Deep understanding of core services including VPCs, subnets, EC2, Lambda, S3, Route 53, and VPC endpoints. Networking: Strong grasp of TCP / IP, DNS, routing, and proxy patterns. Containers: Good broad architectural understanding of Containers and Kubernetes. Documentation & Communication: Proven ability ...

Media Systems Engineer

Hiring Organisation
Iron Mountain
Location
Feltham, England, United Kingdom
Linux and macOS systems administration, including a solid understanding of networking fundamentals such as Transmission Control Protocol / Internet Protocol (TCP / IP) and Virtual Local Area Networks (VLANs). Proven ability ...

IT Services and Support Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£220 - £226/day
with cutting-edge hardware and global standard processes. The Role Technical Support: Install, configure, and troubleshoot Windows and Mac systems, mobile devices (Apple / Samsung), and peripherals. Asset Management: Take ownership of the IT lifecycle, from stock-takes and vendor liaison to hardware recycling and inventory audits. Seamless … Connectivity: Ensure desktop systems interconnect perfectly with servers, print systems, and network infrastructure. User Empowerment: Train the community on software / hardware best practices and provide clear communication on technical issues. Infrastructure: Maintain the IT room, manage hardware dispatches, and assist with infrastructure projects. What You'll Need ...

Japanese speaking Developer Support Engineer

Hiring Organisation
People First
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£20.00 - £30.00 per hour
workflow configuration, project settings management, and portfolio setup Fluent written and spoken Japanese Japanesespeaking Developer Support Engineer - Preferred Experience working in application and / or technical support field Project Management Certification Experience scripting in Python, JavaScript, & HTML5 Understanding of current programming languages (C / C++) Understanding … contemporary source control software (SVN, Git, Perforce) Knowledge of and passion for console game development Knowledge of networking basics (TCP / IP, routing) Expert understanding of MS Office and Google Drive (Docs, Sheets, & Slides) BS degree in Computer Science and / ...

Network Engineer

Hiring Organisation
IMT Resourcing Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
scalable connectivity and ensure high service standards. What we’re looking for Experience in a service desk or network role within an ISP / MSP environment Strong knowledge of routing, switching and wireless technologies Understanding of TCP / IP, OSI model … MPLS / VPLS Hands-on experience with network monitoring and diagnostics tools Exposure to Juniper or Cisco networking and security technologies The ideal candidate will bring strong troubleshooting skills, a proactive mindset, and a passion for developing their networking expertise in a collaborative, high-performance environment. Why join ...

SecOps Engineer

Hiring Organisation
Context Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day outside IR35
Security Operations Engineer - London (4 days onsite / 1 day WFH) Up to £600 p / d (outside IR35) A leading construction engineering business is seeking an SecOps Engineer to their team. They are a well-established business about to enter considerable operational change making … including SIEM, threat detection and data security, endpoint protection, network analytics for alerts Provide documentation for technical standards to meet corporate security policies / industry best practice Perform security reviews, identify gaps in security architecture and apply appropriate remediation Ensure appropriate technical measures are in place to comply ...

2nd Line Support Azure Engineer

Hiring Organisation
Henley Executive
Location
SE1, Elephant & Castle, Greater London, United Kingdom
Employment Type
Permanent
Salary
£30000 - £35000/annum
support capacity. Strong understanding of Microsoft cloud technologies, including Microsoft 365, Azure Active Directory and Intune. Good knowledge of networking concepts such as TCP / IP, DNS, DHCP, VPN and firewalls. Excellent verbal and written communication skills, with the confidence to engage directly with … role as 2nd Line Support Engineer, please click 'Apply Online' and upload an updated copy of your CV. **Please include your current Address / Location within your CV or application. Applications without a location may not be considered, and those with a location will be prioritised. ...

Field Service Engineer - Ricoh MFD / Print (Walking Role)

Hiring Organisation
Zero Surplus
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
Field Service Engineer - Ricoh MFD / Print (Walking Role) Location: Central London (Hybrid) An established and growing provider of managed print and document solutions is looking to appoint a Field Service Engineer to support clients across Central London. This is an excellent opportunity to join a customer-focused … documentation * Building strong client relationships and representing the business professionally The Ideal Candidate The ideal candidate will have experience working within the MFD / print industry and be confident operating in a customer-facing field role. You will ideally have: * Proven experience as a Field Service Engineer within ...