1 to 25 of 56 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

Hiring Organisation
Zachary Daniels
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
week in the London office) · Pension scheme · Long-term stability within a growing organisation Role Responsibilities: · Maintain and support Linux servers (Red Hat / CentOS) across physical and virtual environments. · Support Windows-based environments where required. · Monitor system performance, availability, and security. · Troubleshoot infrastructure and networking issues across … TCP / IP stack. · Apply patches, updates, and security fixes in line with best practice. · Support AWS infrastructure including compute, storage, and networking. · Maintain backups, disaster recovery processes, and system documentation. · Work closely with engineering, security, and operations teams. · Contribute to automation and continuous ...

Mainframe Network Specialist - £300 per day - Inside IR35

Hiring Organisation
RP Recruitment Ltd
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £300 per day
Mainframe Network Specialist Needed Work Location UK, London Mode of working - Work from home Start Date - Immediate Salary - GBP 300 / day Inside IR35 Job Type - 6 months Mainframe Network Responsibilities: Configuration and administration of IBM z / OS mainframe network software. Configuration and administration … transfer products o Session Management products eg. TPX, Teleview, CL / Supersession o Network Management products eg. NETVIEW, Netmaster / TCPIP o Print server products eg. VPS Must be a self-starter, but also a completer / finisher who ensures that tasks / ...

IT Support Analyst

Hiring Organisation
Amtis Professional Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 28,000 - 32,000 Annual
onboarding. The role blends day-to-day support with opportunities to improve systems, processes, and automation over time. Key Responsibilities User Support (1st / 2nd Line) Act as the first point of contact for all IT issues on-site (approx. 70 active users, plus drivers) Troubleshoot and resolve … issues with Windows desktops, laptops, peripherals, printers, and basic networking Support remote / home workers, including VPN and connectivity issues Escalate more complex issues where appropriate, while owning them through to resolution Microsoft 365 & Endpoint Management Provision and deprovision users in Microsoft 365 (mailboxes, Teams, groups, permissions) Build ...

2nd Line IT Support Engineer

Hiring Organisation
Working Solutions Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£42000/annum
Attributes: You’re confident, client-focused and technically sharp, with: Strong hands-on experience with Windows 10 and macOS Solid understanding of LAN / WAN / Wi-Fi networking Proficiency in Windows Server 2012 / 2016 / 2019 and technologies like: Active … Directory, Hyper-V, DNS, DHCP, DFS, ADFS, FAP Knowledge of PC setup , TCP / IP networking and system configuration Experience with cloud platforms such as Office 365, Google Workspace, AWS or Azure Ability to troubleshoot client-side apps (e.g. Microsoft Office) Advanced problem-solving ...

Deployment Engineer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
will design, build, and maintain Windows-based deployment solutions for applications, OS images, and updates Deploy and manage Windows OS images (Windows 10 / 11, Windows Server) Automate deployments using tools such as SCCM / MECM, Intune, MDT, PowerShell, or similar Package, test, and deploy applications … deployment and automation processes Profile Proven experience as a Deployment Engineer, Systems Engineer, or similar role Strong expertise in Windows OS (Windows 10 / 11, Windows Server) Hands-on experience with deployment tools such as: SCCM / MECM Intune / Autopilot MDT Strong PowerShell ...

IT support manager

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 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 / ...

C++ Developer / Technical Lead - Fintech

Hiring Organisation
Client Server
Location
London, England, United Kingdom
C++ Developer / Technical Lead (Windows C / C++, C#) London to £115k FTC Are you a skilled C++ Developer with technical / team leadership skills looking for a new opportunity? You could be progressing your career in a senior, hands-on role … global market data provider. As a C++ Developer / Technical Lead you will head-up an Agile team (5 engineers) focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. ...

ICT Support Technician

Hiring Organisation
Imperial London Hotels
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£36,000 per annum
Support Technician Imperial London Hotel Group 40 hours a week (Shift Pattern 5 / 7 days Incl. Weekends & Bank Holiday) £36,000,00 + Benefits An opportunity has arisen for an ICT Support Technician to join Imperial London Hotels, providing first line and second line support across … play a key role in maintaining our critical systems from Office 365 and Active Directory to guest Wi-Fi, PMS, EPOS, and backup / disaster recovery processes. You'll collaborate with external vendors, manage our helpdesk system, maintain detailed documentation, support compliance with GDPR, PCI DSS, and corporate ...

Incident Problem Analyst/ Manager

Hiring Organisation
McCabe & Barton
Location
London Area, United Kingdom
Manager to join the teams in London. Permanent, 3 days in office. Salary is up to £100k+ bonus + benefits. Functions: Ensures Incident / Problem Management Processes are followed. Works independently on a range of complex tasks, which may include unique situations. Conducts independent analysis and assessment … resolve strategic issues. Builds effective relationships with internal / external stakeholders. Ensures alignment between stakeholders. Breaks down strategic problems and analyzes data and information to provide insights and recommendations. Leads or participates in defining the communication plan designed to positively influence or change behaviour; develops tailored messaging ...

Linux Systems Administrator - Intermediate - Financial / Banking

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
Linux Systems Administrator - Intermediate - Financial / Banking Working in a busy and vibrant Financial / Banking environment, candidates will have a minimum of 2+ years Red Hat Linux systems Administration with some Scripting - Bash / Python - and ideally some SQL / Database … learn new skills. Responsibilities and Duties Monitor and support live trading platforms during operational hours. Participate in a support rota of early / late shifts supporting exchange hours 7am - 6.30pm to provide 1st and 2nd line support for IT infrastructure. Responsible to log, categorise, and prioritise ...

IT Support Engineer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £33,000 per annum
prioritise effectively Team-oriented and adaptable in a multicultural environment Technical requirements 3+ years' experience in IT support or infrastructure Strong Windows 10 / 11 and Windows Server experience Solid Active Directory knowledge Good understanding of networking fundamentals (TCP / IP, VLANs … routing, Wi-Fi) Comfortable supporting hardware, printers, and general IT infrastructure Nice to have M365, Azure AD sync, Entra ID, Intune Virtualisation (VMWare / XenServer) Linux, macOS, iOS, Android environments CCTV, telephony, access control, or AV systems Additional languages Why apply? Broad, hands-on technical role Exposure ...

SC Technical Architect CGEMJP

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Role Title: Technical Architect Duration: contract to run until 30 / 09 / 2026 Location: Croydon, Remote with occasional need to be onsite Rate: up to 518.54 p / d Umbrella inside IR35 Clearance required: Active SC Clearance is required Role purpose / … Skills and Experience Mandatory: Strong understanding of core AWS services; VPCs, subnets, EC2, lambda, s3, route 53, VPC endpoints Good understanding of networking - TCP / IP, DNS, routing, proxy patterns Good understanding of containers and Kubernetes (does not require detailed Kubernetes knowledge, more ...

SC Technical Architect CGEMJP00326902

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Role Title: Technical Architect Duration: contract to run until 30 / 09 / 2026 Location: Croydon, Remote with occasional need to be onsite Rate: up to £518.54 p / d Umbrella inside IR35 Clearance required: Active SC Clearance is required Role purpose / … Skills and Experience Mandatory: Strong understanding of core AWS services; VPCs, subnets, EC2, lambda, s3, route 53, VPC endpoints Good understanding of networking - TCP / IP, DNS, routing, proxy patterns Good understanding of containers and Kubernetes (does not require detailed Kubernetes knowledge, more ...

IT Desktop Support Engineer

Hiring Organisation
Red Top Resources Ltd
Location
SE1, Southwark, Greater London, United Kingdom
Employment Type
Permanent
Salary
£33000 - £35000/annum Pension, Private Medical
months of IT helpdesk support in a similar role Professional telephone manner Understanding of Active Directory (including Administration) Microsoft 365 (including user / license Administration) MS Teams knowledge Azure (Entra ID) user and group administration Knowledge of networking fundamentals and security practices (including Networking TCP / IP, DHCP / DNS) Ideally you will also have the following: Experience with setting up and troubleshooting Zoom / Teams meetings. Experience with Freshservice IT service management or another leading ITSM tool. Software applications support Intune If you meet the criteria above ...

Virtualisation Engineer London

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Permanent
candidates with a range of backgrounds. Experience in any of the following areas is beneficial: Virtualisation technologies and concepts Windows Server 2016 / 2019 administration Cloud platforms such as AWS or Azure Red Hat technologies (e.g., Satellite 6, RHEL / CentOS, CoreOS) Active Directory administration … structure, RBAC, DFS) VSAN, SCVMM, Hyper-V Networking fundamentals: TCP / IP, DHCP, DNS, LAN / WAN Scripting skills (PowerShell, Bash, Python, Git) Awareness of McAfee EPO / ENS You don't need to tick every box - if you have ...

Virtualisation Engineer London

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
candidates with a range of backgrounds. Experience in any of the following areas is beneficial: Virtualisation technologies and concepts Windows Server 2016 / 2019 administration Cloud platforms such as AWS or Azure Red Hat technologies (e.g., Satellite 6, RHEL / CentOS, CoreOS) Active Directory administration … structure, RBAC, DFS) VSAN, SCVMM, Hyper-V Networking fundamentals: TCP / IP, DHCP, DNS, LAN / WAN Scripting skills (PowerShell, Bash, Python, Git) Awareness of McAfee EPO / ENS You don't need to tick every box - if you have ...

Desktop Support

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
support and wants to work in an environment where quality and professionalism matter. You'll ideally bring: Several years of hands-on desktop / help desk support experience in a professional environment Strong Windows endpoint support experience and familiarity with macOS Experience with Active Directory user and group … management Solid understanding of networking fundamentals (LAN, DNS, TCP / IP, Wi-Fi) Confidence supporting mobile devices and peripherals Experience working with third-party vendors Excellent customer service skills and the ability to explain technical issues clearly A calm, methodical approach and genuine ownership ...

Site Reliability Engineer

Hiring Organisation
Networking People (UK) Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - £405 per day + + travel expenses
Contract: Site Reliability Engineer Location: UK / Ireland / Netherlands with EU travel required 2-3 times per year (4-12 weeks at a time) Rate: circa £400-405 per day outside of IR35. Travel expensed Start: ASAP Duration: 12 months Reference: 20151 You will need … observability initiatives Required Skills & Experience (Must Have) Kubernetes - strong hands-on experience operating production clusters in on-prem environment Networking - deep understanding of TCP / IP, routing, DNS, load balancing, and network troubleshooting Linux - strong administration and troubleshooting skills Windows (Basics) - working knowledge ...

Security Engineer

Hiring Organisation
Red - Specialist Recruitment
Location
EC3V, Langbourn, Greater London, United Kingdom
Employment Type
Permanent
feature code to identify security risks and work with engineers to mitigate them, working and applying modern security standards such as OWASP CI / CD, DSOMM, SAMM and Cloud Security Posture management systems such as Azure Defender and Prisma Cloud. Our client empowers their people to balance their … Exposure to Cloud Native software development, including cloud infrastructure and API design (Azure preferred) Proven experience applying modern standards such as OWASP CI / CD, DSOMM, SAMM etc Strong networking protocol knowledge (TCP / IP, UDP, HTTP / ...

Security Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £85,000 per annum, Inc benefits
engineering expertise across multiple platforms, such as Azure and SaaS solutions Proven experience working with modern security standards and frameworks, including OWASP CI / CD, DSOMM and SAMM Strong knowledge of networking protocols (TCP / IP, UDP, HTTP / 3, AMQP, streaming protocols), cloud networking concepts (VPNs, subnets, regions / zones) and integration technologies Hands-on experience with SAST and SCA tools such as Snyk and Checkmarx Experience with DAST tools such as OWASP ZAP or Qualys DAST (preferred), ideally working with HTTP APIs Ability ...

Radio Engineer

Hiring Organisation
The Venari Limited
Location
North West London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
Radio Engineer. Major UK Provider of Radio Systems. Covering South East. Salary £50K Basic + Car / Car Allowance + Benefits. The Company Being the UKs leading independent communications suppliers, specialising in the design, supply, installation, commissioning and maintenance of wireless voice and data networks. Our client … Radio Engineering. Role Includes: Design and build of bespoke technical solutions in line with customer requirements. Provide Technical assurance to customers. Preparation CODEPLUGS / FLEET Plans for customer requirements (Motorola & Hytera). Installation, Troubleshooting and maintenance of telecommunication equipments from different vendors: Hytera, Motorola, Tait, Simoco and Kenwood. ...

Second Line Support Engineer

Hiring Organisation
Searchability
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £42,000 per annum
complex client environments, implementing infrastructure projects, and acting as a 3rd-line escalation point for technical issues. Key responsibilities include: Providing advanced 2nd / 3rd line support and troubleshooting across servers, networks, and cloud platforms. Configuring, installing, and managing Windows Server environments and virtualisation platforms (Hyper-V / … level backup solutions using Veeam. Supporting cloud technologies such as Microsoft 365, Azure, and Google Workspace. Managing network configurations including DNS, DHCP, VLANs, IP routing, and VPNs. Assisting in infrastructure upgrades, migrations, and security deployments. Producing detailed technical documentation and contributing to project delivery. Acting as a technical ...

AWS Solutions Architect

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£550 - £575 per day
Solution Architect | AWS Developer Platform | £575 per day (Inside IR35)- Active SC Clearance required Location: United Kingdom (Remote / Hybrid) Duration: 6 Months Initial Rate: £575 per day (Inside IR35) An exciting opportunity has arisen for a seasoned Solution Architect to join one of the largest AWS-based … 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 ...

Cloud Engineer - £46,500 Central London, Hybrid

Hiring Organisation
Ashdown Group
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£45,000
virtual networks. Perform advanced daily system monitoring, verifying the integrity and availability of all hardware, server resources, and key processes. Utilise PowerShell / Automation tools to develop, implement, and maintain system automation and configuration management scripts. Virtual Environment Management: Oversee the administration and lifecycle management of Microsoft Servers … cloud architecture and capacity planning. Security Controls Management: Operate and manage all relevant security control tools (e.g., XDR systems, MS Defender / Intune) to ensure robust cyber security, actively reducing risk to corporate assets and ensuring adherence to internal security policies. Advanced 2nd / ...