1 to 25 of 78 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 ...

Security Service Engineer (Bristol)

Hiring Organisation
Russell Taylor Group Ltd
Location
London, England, United Kingdom
will provide professional engineering expertise for planned and reactive maintenance.ResponsibilitiesProvide 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 with … Intercom Systems operating systems from small scale to large multi-site installations with PC Based front ends.Understand fibre optic transmission systems, LAN / WAN networks, and radio telemetry systems to effectively remedy any faults. Consult with higher grade engineers where required.Provide emergency solutions when operating ...

Crypto Network Specialist (Bristol)

Hiring Organisation
MBDA
Location
London, England, United Kingdom
cryptographic estate and processes while playing an active, hands-on role in the Network Security team. Think 70-80% crypto governance / operations and 20-30% network / security operations. You'll help us deliver secure, resilient connectivity across a multi-national environment.Salary … depending on business need. Some shift working may be required.Security Clearance: DV, but you are not required to hold DV currently.Nationality: BritishRestrictions and / or limitations relating to nationality and / or rights to work may apply. After offer stage, all successful candidates will undergo ...

Azure Network Cloud Engineer

Hiring Organisation
Zero Plus Ltd
Location
London Area, United Kingdom
Endpoints, Threat Detection, Secure Remote Access, and Adaptive Security Policies—balancing exceptional user experience with enterprise-grade security. We operate under an ISO / IEC 27001-certified ISMS and an ITIL-aligned service management framework, ensuring integrity, resilience, and operational excellence. Joining Zero Plus means being part … Responsibilities Design, deploy (IaC), and manage cloud networking solutions across Azure and AWS including, but not limited to, private hosted environment (VPC / Vnet), private connectivity (endpoint, VPN services, etc.) Physical / Virtual / WebApp Firewalls for access controls, and threat detection. Automate provisioning ...

Azure Network Cloud Engineer

Hiring Organisation
Zero Plus Ltd
Location
City of London, London, United Kingdom
Endpoints, Threat Detection, Secure Remote Access, and Adaptive Security Policies—balancing exceptional user experience with enterprise-grade security. We operate under an ISO / IEC 27001-certified ISMS and an ITIL-aligned service management framework, ensuring integrity, resilience, and operational excellence. Joining Zero Plus means being part … Responsibilities Design, deploy (IaC), and manage cloud networking solutions across Azure and AWS including, but not limited to, private hosted environment (VPC / Vnet), private connectivity (endpoint, VPN services, etc.) Physical / Virtual / WebApp Firewalls for access controls, and threat detection. Automate provisioning ...

Support Analyst

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
/ 3rd Line Support Analyst, Windows, Linux, Networking This is a broad and varied role so ideal candidates have 1st to 3rd Line experience with some Network Engineering and whilst not essential previous Application Support and Financial / Banking would be beneficial. A superb opportunity, working … dynamic Financial environment and will best suit a motivated individual with the right attitude / aptitude and excellent communication skills, able to deal with users at all levels on the phone, via e-mail and face to face. You will work alongside a range of end users’ acting ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
South London, UK
Employment Type
Full-time
more: Java / Python / C Rust / Go Strong preference for Java for control-plane / services. Strong systems design skills: concurrency, memory management, performance tuning, API design, and distributed systems fundamentals. Experience with DevOps at scale: CI / CD, automated testing, canarying, rollout / rollback, and configuration management. IaC expertise (e.g., Terraform) and solid cloud infrastructure fundamentals. Familiarity with DDoS or network security services and related attack / defense patterns. Solid networking knowledge: TCP / IP ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
South London, UK
Employment Type
Full-time
strong systems and DevOps engineering experience. Basic qualifications 7–10 years building production backend systems, including 3–5 years in high-scale and / or low-latency environments. Deep expertise in Linux networking data path and kernel-level networking (e.g., XDP, eBPF, dpdk, iptables, nftables) for traffic processing … more: Java / Python / C Rust / Go (strong preference for Java for control-plane / services). Deep systems design expertise: concurrency, memory management, performance tuning, API design, consistency models, and distributed systems fundamentals. Proven DevOps leadership at scale ...

Senior Manager, DDOS Engineering and Development

Hiring Organisation
Oracle
Location
London, UK
Employment Type
Full-time
traffic steering; integrate with OCI Networking, DNS, and edge services. Oversee capacity modeling, scale testing, and multi-region readiness. Establish and meet SLOs / SLAs and KPIs; ensure on-call health, incident readiness / response, and rigorous post-incident improvements. Champion automation-first operations: CI / … management, and IaC (e.g., Terraform). Proficiency with one or more: Java, Go, Python, C++, or Rust; strong preference for Java for control-plane / services. Demonstrated leadership in incident management, resilience engineering, observability, and operational maturity. Excellent stakeholder management and executive communication; data-driven prioritization ...

Junior Security Researcher

Hiring Organisation
Circle Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £85,000 per annum
Looking For Essential: Background in SOC, network engineering, security operations or a similar technical security environment. Strong understanding of networking fundamentals, including TCP / IP, traffic flow and general network behaviour. Confident working with SQL to interrogate and manipulate Ability to interpret data … clear, meaningful way. Genuine interest in security research and understanding how threats appear and evolve across networks. Desirable: Exposure to Python and / or data science techniques. Experience working with large-scale security or network datasets. Interest in emerging areas such as bot detection and AI-driven security ...

Malware Analyst

Hiring Organisation
NCC Group
Location
London Area, United Kingdom
website here to learn more about why we’re one of the leading global Cyber Security and Risk Mitigation business... https: / / www.nccgroup.com / uk / The Opportunity: As a Malware Analyst you will lead efforts in detecting, analyzing, and mitigating … Python, C++, or assembly for developing analysis tools and scripts. Expertise in creating and maintaining YARA rules. Strong understanding of networking protocols, including TCP / IP, DNS, and how malware utilises these protocols. Ways of working Focusing on Clients and Customers. Working ...

Malware Analyst

Hiring Organisation
NCC Group
Location
City of London, London, United Kingdom
website here to learn more about why we’re one of the leading global Cyber Security and Risk Mitigation business... https: / / www.nccgroup.com / uk / The Opportunity: As a Malware Analyst you will lead efforts in detecting, analyzing, and mitigating … Python, C++, or assembly for developing analysis tools and scripts. Expertise in creating and maintaining YARA rules. Strong understanding of networking protocols, including TCP / IP, DNS, and how malware utilises these protocols. Ways of working Focusing on Clients and Customers. Working ...

Network Mainframe Z/OS

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
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 … 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 / ...

Mainframe Engineer

Hiring Organisation
Adroit People Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 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 … 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 / ...

Front Office Developer -TOP Trading Frim!

Hiring Organisation
Robert Half
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Engineering, or a related STEAM discipline 3+ years' experience in software development or quantitative roles Strong hands-on programming skills in Python, C / C++, SQL, and / or C# Solid experience with Linux OS Bonus: familiarity with React, SASS / SCSS, or networking … protocols (TCP / IP, FIX, ZeroMQ, etc.) A collaborative, analytical, and solutions-driven mindset What's in It for You High annual bonus potential Excellent pension scheme Private medical care Gym membership and wellbeing perks Generous holiday allowance Work-life balance through hybrid flexibility ...

Network Security Customer Success Engineer

Hiring Organisation
Palo Alto Networks
Location
London, England, United Kingdom
customer advocate in influencing product roadmap and improvements Coach customers on how to establish and manage their Cloud Security Change Management / Governance / Center of Excellence program Identify risks to the customer achieving their stated business goals and work with the account team to build … expert on Palo Alto Networks SASE security solutions and become a Subject Matter expert over time Performance metrics include CSAT, Renewal rate, Upsell / Cross-sell lead identification, Reference-ability, Renewal likelihood, Adoption, Consumption, Customer Engagement Qualifications Preferred Qualifications BS / MS in Computer Science, Electrical ...

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 ...

3rd Line Support Engineer

Hiring Organisation
IMT Resourcing Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
cloud projects (migrations, upgrades, improvements) Working across Windows Server, Microsoft 365, Azure, and virtualised environments Performing advanced configuration and troubleshooting of firewalls, WAN / LAN, backups, and DR Carrying out root cause analysis and implementing long-term fixes Creating and maintaining high-quality technical documentation Mentoring … client proposals Participating in an out-of-hours rota (where required) What We’re Looking For Strong experience working in an MSP / service-led environment Proven background operating at 3rd Line / Senior Engineer level Excellent knowledge of: Windows Server (AD, GPO, DNS, DHCP) Microsoft ...

System Architect

Hiring Organisation
People First
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£48,000 per annum
Hours: 9:00am - 17:00pm / Monday to Friday. *office based 5 days a week Salary: maximum £48,000 per annum + travel expense up to Zone 6 Location: London Global IT company is looking for a System Architect. System Architect - Responsibilities: Detailed planning, designing and developing … Networking / Knowledge level : CCNP, JNCIA TCP / IP, IPv4, IPv6, Ethernet, Data Transmission, L2 / L3 VPN, Multi-Layer Networking, QoS, Security Firewall, SDWAN, EVPN-VXLAN and IPSec. SONET / SDH, Ethernet, MPLS, Optical Networking. Generic ...

System Architect

Hiring Organisation
Access Appointments Consultancy Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £48,000 per annum
manage the full lifecycle of the company's provided equipment and services and to take responsibility for their ICT services operations, including L3 / L2 networks, firewalls, security services and Service desk. Job descriptions: Detailed planning, designing and developing of ICT services including network and server applications. Network … Networking / Knowledge level : CCNP, JNCIA, TCP / IP, IPv4, IPv6, Ethernet, Data Transmission, L2 / L3 VPN, Multi-Layer Networking, QoS, Security Firewall,SDWAN, EVPN-VXLAN and IPSec. SONET / SDH, Ethernet, MPLS, Optical Networking. Generic ...

Front Office Developer -TOP Trading Frim!

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Engineering, or a related STEAM discipline 3+ years' experience in software development or quantitative roles Strong hands-on programming skills in Python, C / C++, SQL, and / or C# Solid experience with Linux OS Bonus: familiarity with React, SASS / SCSS, or networking … protocols (TCP / IP, FIX, ZeroMQ, etc.) A collaborative, analytical, and solutions-driven mindset What's in It for You High annual bonus potential Excellent pension scheme Private medical care Gym membership and wellbeing perks Generous holiday allowance Work-life balance through hybrid flexibility ...

Senior Infrastructure Engineer (Network Focus) - Leading Hedge Fund - London

Hiring Organisation
Mondrian Alpha
Location
London Area, United Kingdom
enterprise. This is an opportunity to work hands-on with the latest Microsoft technologies - as well as core network infrastructure spanning LAN / WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/ IP networking fundamentals, proven scripting / automation skills (PowerShell or Python), and experience delivering cloud infrastructure (IaaS) and M365 deployments / migrations. Proficiency with Conditional Access, CI / CD pipelines, and Infrastructure-as-Code (e.g., Terraform) is essential. Additional ...

Senior Infrastructure Engineer (Network Focus) - Leading Hedge Fund - London

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
enterprise. This is an opportunity to work hands-on with the latest Microsoft technologies - as well as core network infrastructure spanning LAN / WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP/ IP networking fundamentals, proven scripting / automation skills (PowerShell or Python), and experience delivering cloud infrastructure (IaaS) and M365 deployments / migrations. Proficiency with Conditional Access, CI / CD pipelines, and Infrastructure-as-Code (e.g., Terraform) is essential. Additional ...

WAF Automation Engineer (Strong DevOps, Secrets management, Security Vault)

Hiring Organisation
Vallum Associates
Location
London, UK
Employment Type
Full-time
Title: WAF Automation Engineer (Strong DevOps, Secrets management, Security Vault) Location: Remote UK Duration: 6months+ Contract Inside IR35 500GBP / Day Inside IR35 The role As an Automation Engineer, you will play a pivotal role in enhancing our IT infrastructure by designing, creating, and maintaining bespoke Continuous Integration … / Continuous Deployment (CI / CD) pipelines tailored to specific project needs. You will be responsible for the integration of CI / CD pipelines with solutions developed by other teams, scripting, and the creation of Infrastructure as Code (IaC) manifests using tools like Terraform. ...

Platform Network Solution Architect Director

Hiring Organisation
Boston Consulting Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
grade network solutions across the on-premises and multi-cloud environments. The ideal candidate will have deep expertise with Cisco Appliances, AWS and / or GCP networking, and a strong proficiency with Infoblox DNS, Palo Alto Firewalls, VeloCloud SD-WAN, Zero Trust solutions like Zscaler, and Azure networking. … Optimize network reliability, performance, and scalability across hybrid and multi-cloud environments Implement automation where possible using Terraform, API integrations, Git Actions and / or Terraform Cloud Security Implement next-generation firewall policies, web application firewall rules, threat prevention on Palo Alto and cloud native Firewalls Apply ...