1 to 25 of 46 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 ...

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 ...

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 ...

AWS DevOps Engineer

Hiring Organisation
Avensys Consulting
Location
London Area, United Kingdom
IR35 We’re looking for a hands-on AWS DevOps Engineer to support and enhance cloud infrastructure for a leading banking environment (24 / 7 systems). Key Skills: Strong AWS + Terraform (Infrastructure as Code) Kubernetes (EKS) & cloud platform engineering Scripting: Python / Bash / Go (Go Language Preferred) Networking fundamentals (TCP / IP, DNS, VPN, etc.) Experience with reverse proxies (NGINX / HAProxy / Traefik) CI / CD, DevOps practices & Kubernetes Nice to have: Service Mesh (Istio) Monitoring & diagnostics What ...

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 ...

Technical Leader

Hiring Organisation
Colt Technology Services UK
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
hours support for priority incidents. What were looking for Required Technical Skills Windows & VDI Advanced administration and troubleshooting of Windows Server (2016 / 2019 / 2022). Strong knowledge of Active Directory, Group Policy, DNS, DHCP, and PKI. Strong knowledge of Citrix Virtual Apps and Desktops … architecture, governance, and cost optimization. Familiarity with automation tools (PowerShell, Terraform) and DevOps principles. Virtualization, Storage & Networking (Working Knowledge) Understanding of VMware vSphere / ESXi architecture and clustering concepts. Familiarity with enterprise storage technologies (e.g., Pure Storage, HPE) and SAN / NAS fundamentals. Solid grasp ...

System Administrator - Hybrid

Hiring Organisation
Exposed Solutions
Location
North West London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
SystemAdministrator(DevOps / AWS / Infrastructure) TheOpportunity Wereworkingwithagrowing,technology-drivenorganisationlookingtohirea SystemAdministrator withstrong DevOpsandinfrastructureexperience .Thisisahands-onrolewhereyoullplayakeypartinmaintaining,optimising,andscalingcriticalsystems. Youllcollaboratecloselywithdevelopmentandoperationsteamstoensurehighavailability,performance,andsecurityacrosstheenvironment. KeyResponsibilities Manageandmaintainserverinfrastructure(Linux / Windowsenvironments) Supportandoptimisecloudplatforms,particularly AWS ImplementandmaintainCI / CDpipelines Monitorsystemperformance,availability,andsecurity Troubleshootcomplexinfrastructureandnetworkingissues Automateroutinetasksusingscriptingandcommand-linetools Supportdeploymentsandenvironmentconfiguration KeySkills&Experience Provenexperienceasa SystemAdministrator … orsimilarrole Strongknowledgeof AWS (EC2,S3,IAM,VPC,etc.) Solid DevOps understanding(CI / CD,automation,infrastructureascode) Strongcommand-lineskills(Bash,PowerShell,orsimilarscripting) Experiencewith servermanagement (patching,monitoring,performancetuning) Goodunderstandingof networkingconcepts (DNS,TCP / IP,firewalls,routing) FamiliaritywithtoolssuchasDocker,Kubernetes,orsimilar(desirable) ALLAPPLICANTSMUSTBEFREETOWORKINTHEUK ExposedSolutionsisactingasanemploymentagencytothisclient. Pleasenotethatnoterminologyinthisadvertisintendedtodiscriminateonanygrounds,andweconfirmthatwewillgladlyacceptapplicationsfromanypersonforthisrole. ...

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 / ...

Senior Infrastructure Engineer

Hiring Organisation
Context
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
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 ...

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 ...

System Administrator - Hybrid

Hiring Organisation
Exposed Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
System Administrator (DevOps / AWS / Infrastructure) The Opportunity We’re working with a growing, technology-driven organisation looking to hire a System Administrator with strong DevOps and infrastructure experience . This is a hands-on role where you’ll play a key part in maintaining … with development and operations teams to ensure high availability, performance, and security across the environment. Key Responsibilities Manage and maintain server infrastructure (Linux / Windows environments) Support and optimise cloud platforms, particularly AWS Implement and maintain CI / CD pipelines Monitor system performance, availability, and security ...

Cyber Security Engineer

Hiring Organisation
Transact
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 per annum
team you will help to design, develop, and mature the companys cyber security capability, including the selection, implementation, and management of security tools / technologies, focused on detection, prevention, and analysis of security threats. This role offers a great opportunity to help define and shape the security function … network protocols: knowledge of standard network protocols like TCP, ARP, ICMP, DHCP, DNS, HTTP, SNMP, VPN etc., and accompanying protocol / packet analysis / manipulation tools. Understanding of key operating systems and network appliances and the ability to assess their security ...

2nd Line IT Support Engineer

Hiring Organisation
SER Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£34000 - £38000/annum Hybrid Working
Policy, Office 365 & SharePoint Microsoft Exchange Virtualisation (Hyper-V, VMware, WVD) Backup & Disaster Recovery solutions Cyber Security (MFA, EDR, AV, Incident Response) Networking (TCP / IP, DNS, DHCP, LAN / WAN) Windows & macOS environments Experience supporting mobile devices Strong troubleshooting and problem ...

2nd Line IT Support Engineer

Hiring Organisation
SER (Staffing) Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£34,000 - £38,000 per annum
Active Directory, Group Policy, Office 365 & SharePointMicrosoft ExchangeVirtualisation (Hyper-V, VMware, WVD)Backup & Disaster Recovery solutionsCyber Security (MFA, EDR, AV, Incident Response)Networking (TCP / IP, DNS, DHCP, LAN / WAN)Windows & macOS environmentsExperience supporting mobile devicesStrong troubleshooting and problem-solving abilityPassion ...

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 ...

Cloud / PreSales Engineer - (AWS, Docker) - UK Remote

Hiring Organisation
Mayflower Recruitment Ltd
Location
East London, London, United Kingdom
hands-on experience with Docker and Docker Swarm in a production environment. Proficiency with core AWS services: EC2, S3, CloudWatch, IAM, ELB, ECS / Fargate, and RDS. Solid understanding of Linux server environments, command-line operations, and scripting. Experience in supporting real-time or mission-critical systems (security … alerting tools (e.g., ELK, Prometheus, Grafana). Good understanding of networking, VPNs, load balancing, DNS, and firewalls. Comfortable with Git and CI / CD workflows. Excellent troubleshooting skills and structured problem-solving approach. Strong written and verbal communication skills. Desirable / Nice to Have: Experience with ...

Cloud / PreSales Engineer - (AWS, Docker) - UK Remote

Hiring Organisation
Mayflower Recruitment Ltd
Location
City of London, London, United Kingdom
hands-on experience with Docker and Docker Swarm in a production environment. Proficiency with core AWS services: EC2, S3, CloudWatch, IAM, ELB, ECS / Fargate, and RDS. Solid understanding of Linux server environments, command-line operations, and scripting. Experience in supporting real-time or mission-critical systems (security … alerting tools (e.g., ELK, Prometheus, Grafana). Good understanding of networking, VPNs, load balancing, DNS, and firewalls. Comfortable with Git and CI / CD workflows. Excellent troubleshooting skills and structured problem-solving approach. Strong written and verbal communication skills. Desirable / Nice to Have: Experience with ...

Network Security Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £300 to £350 per day
Juniper, Cisco Project experience preferably in migration Network infrastructure and application flow through firewalled environment Demonstrate an expert understanding of networking protocols including TCP / IP and Ethernet protocols Expert design knowledge of IP based networking architecture Understanding of IGP & BGP IP … language Python Proven experience in working on large scale project Planning, coordination and execution of assigned network delivery project Perform coordination with internal / external vendor, internal bank personnel and other stakeholder for matter relating to network delivery Ensure compliance on work carried out against the bank standard ...

Service Desk Engineer 2nd Line Top 10 MSP North London

Hiring Organisation
THAMES 360
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £38,000 per annum
Desktop, Hyper-V, Virtual Machine Manager, vSphere) Backup and Disaster Recovery solutions Cyber-security tools and concepts (EDR, MFA, AV, incident response) Networking (TCP / IP, DNS, DHCP, LAN, WAN, Wireless, Switches, Routers) Windows OS, macOS, and Microsoft Office Mobile device configuration and support ...

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 ...

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 ...

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 ...

Network Engineer

Hiring Organisation
IMT Resourcing Solutions
Location
London, UK
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 ...