1 to 25 of 40 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 ...

Windows Platform Engineer

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
technical depth.* Experience interpreting CIS security hardening recommendations within regulated environments supports robust compliance measures.* Familiarity with Infrastructure as Code concepts alongside CI / CD pipelines utilising tools such as Git, Ansible, Terraform or TeamCity is expected.* Experience with Serena Deployment Automation (SDA), Jenkins or analogous deployment tools … enhances operational efficacy.* Desirable skills include authoring playbooks on AWX / Ansible Tower; advanced proficiency in Kubernetes / Docker orchestration; database administration (SQL Server / Oracle / Sybase / MongoDB / Snowflake); IBM Tivoli / Netcool ...

Senior Security Administrator - Palo Alto

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£200 - £400 per day
infrastructure, networking, and SOC teams to deliver robust security outcomes. Key Responsibilities: Palo Alto Administer, configure, and support Palo Alto NGFWs (PA-Series / VM-Series) including: Security policy rules, NAT, zones, routing, interfaces, HA, and objects App-ID / User-ID / Content … filtering, Anti-Spyware, Vulnerability profiles SSL decryption policy management (where applicable) and related operational impacts Work closely with Network Engineers, Cloud / Platform teams, and Service Owners Support projects such as: Firewall migrations, data centre moves, cloud connectivity, segmentation initiatives Zero Trust or least privilege initiatives Integration with ...

Infrastructure/DevOps Lead - RedHat/VMWare/Kubernetes

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
Hosting / Provisioning Manager - sought by leading commodity trading firm based in London - Hybrid role Experience Required: Lead, mentor, and manage a high-performing technical engineering team, fostering a culture of collaboration, accountability, and continuous learning. Serve as the subject-matter expert for Red Hat Enterprise Linux , ensuring … automation and orchestration workflows using PowerShell, Ansible, Git, and related DevOps tools. Ensure strong network reliability through solid understanding of firewalls, switching, routing, TCP / IP, WAN, and LAN technologies. Skills: Expert-level Red Hat Linux administration skills. Expert-level VMware vSphere administration expertise. ...

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 ...

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
City of London, London, 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 Platform Engineer

Hiring Organisation
Inspire People
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
work to give development teams the tools for their job, including application performance monitoring, exception, log and metrics aggregation, dashboards, and declarative CI / CD (continuous integration / continuous delivery) pipelines. You'll evangelise product teams about service-level indicators, objectives, and error budgets, and negotiate … Amazon Web Services Azure AWS CodePipelines and AWS CodeBuild Terraform & AWS Copilot (CloudFormation) Elastic Container Service (ECS) and Elastic Container Registry (ECR) ElasticSearch / OpenSearch Python and Django framework PostgreSQL as a service (Amazon RDS) Sentry Redis / Elasticache Essential experience Cloud experience with either Amazon ...

Network Specialist

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
infrastructure that composes a modern building, we have a great role we would like to discuss with you. The role specialises in IT / OT integration, network infrastructure, and cybersecurity to advance the digital transformation of smart buildings. This role focuses on designing, securing, and maintaining the technological … additional Smart Building software packages, including Tenant Experience and Facilities Management options. Communicate effectively with customers & partners to resolve any technical issues / overcome challenges. What we’re looking for: 5+ years’ experience in IT / OT integration, smart buildings, or industrial network infrastructure. Proven experience ...

IT support manager

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
support or helpdesk teams (1-5 staff) in a hands on capacity. Microsoft Windows, Active Directory * Microsoft Office 365 (Exchange Online, SharePoint) iOS / iPhone and JAMF device management TCP / IP networking fundamentals Proven ability to manage helpdesk tools and CMDB … systems, and produce reports / metrics dashboards. Excellent prioritisation, problem-solving, and communication skills Familiarity with service desk best practices Excellent inter-personal skills Retail tools or point-of sale systems experience is a strong advantage Formal IT qualifications (A levels, degree, or certifications such as Microsoft / ...

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 ...

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 ...

Head of Campus Network

Hiring Organisation
Experian Ltd
Location
London, UK
Employment Type
Full-time
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 ...

Site Reliability Engineer (Bare Metal Infrastructure)

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
hands-on engineering. You’ll be: Building and evolving resilient, multi-petabyte infrastructure Writing Python to automate anything manual or repetitive Improving CI / CD pipelines and deployment workflows Working closely with engineers across the business to improve reliability and performance Enhancing observability, monitoring and system transparency Driving … they’re looking for (or a willingness to learn the below) 2–15 years’ experience working deeply with Linux Strong Python skills (automation / scripting) Experience with CI / CD tooling Exposure to Docker and container ecosystems Experience with Ansible, Chef, Puppet or similar Experience working ...

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 ...

Secure Web Gateway SME (Forcepoint Specialist)

Hiring Organisation
INTEC SELECT LIMITED
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
premise experience is essential. Experience operating as a proxy SME in a complex, multi-regional enterprise environment. Deep understanding of proxy technologies: explicit / transparent proxies, PAC files, SSL decryption, authentication, etc. Strong understanding of TCP / IP, DNS, HTTP / … convert business and security requirements into robust technical designs. Solid background producing technical documentation and design artefacts. Desirable Skills Any relevant proxy / security certifications. Familiarity with ISO 27001, NIST CSF or related security frameworks. Experience working within regulated environments or with ITIL-based service models. Working Model ...

VIP / White Glove - Desktop Support - Hedge Fund

Hiring Organisation
eTech Partners
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £45,000 per annum
client is recruiting a VIP Desktop Engineer to support prestigious Hedge Fund and Asset & Wealth Management clients. Candidates must have proven VIP / white-glove support experience within a legal or financial services environment. Role Overview: Providing VIP deskside support to Traders and senior stakeholders via phone … internal users and external partners Technical Skills Required: Windows 11 Microsoft 365 (Outlook, Teams, Excel, Word) Active Directory (user admin, permissions) Citrix / Terminal Services VPN & network connectivity (TCP / IP, DNS, DHCP) Hardware build, imaging & troubleshooting Printer & peripheral support Experience: 2+ ...

Network & Systems Engineer

Hiring Organisation
Robert Half
Location
South West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £77,000 per annum
Network & Systems Engineer - Real Estate / Construction - London £65,000-£77,000 + Discretionary Bonus & Benefits The Business Our client is a well-established London based construction firm delivering high-quality new build, refurbishment and fit-out projects ranging from £1m-£60m. Its client portfolio includes globally recognised … Support virtualised environments Assist with Azure resource administration Cyber Security & Best Practice IT Operations support assistance Skills & Experience Proven experience as a Network / Systems Administrator or similar role Strong hands-on experience with Fortinet products, particularly FortiGate firewalls and VPNs Solid networking knowledge (TCP / ...

Network Project Manager

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
delivered on time, within scope, and aligned with required business objectives. Key Responsibilities Plan, manage, and deliver network infrastructure projects (e.g., LAN / WAN, data centre, cloud connectivity, security, and network upgrades). Lead projects involving cloud network architectures, including VPC / VNet design, site … site VPNs, client VPNs, Direct Connect / ExpressRoute, and hybrid environments. Define project scope, objectives, timelines, and resource requirements. Coordinate with architects, network engineers, vendors, and business stakeholders to ensure technical and operational alignment. Develop and maintain detailed project plans, schedules, risk registers, and status reports. Track project ...

Senior Network Engineer

Hiring Organisation
BPHA
Location
Bedford, Bedfordshire, Clapham Green, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
Responsibilities Design and develop network architecture strategies aligned with business needs and industry standards. Implement and manage network security measures (firewalls, VPNs, IDS / IPS). Configure and maintain routers, switches, wireless systems, and firewalls. Deploy scalable, high-performance network solutions with minimal downtime. Conduct regular network maintenance … management. Willingness to travel to remote sites as needed. Essential Experience & Knowledge Proven experience as a Senior Network Engineer. Proficiency in network protocols (TCP / IP, BGP, OSPF). Hands-on experience with Cisco, Meraki, Fortinet, NETGEAR, ZYXEL. Experience with SD-WAN technologies ...

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 ...