1 to 25 of 123 TCP/IP Jobs in London

System Development Engineer, AWS Networking

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
will need to be a UK national and able to obtain and maintain a UK Government Security Clearance. Further details found here: https: / / www.gov.uk / government / publications / united-kingdom-security-vetting-clearance-levels About the team … life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations. Practical understanding of network fundamentals (DNS, DHCP, TCP / IP, routing, switching, HTTP) Knowledge of systems engineering fundamentals (host networking, storage, linux operating systems) Preferred Qualifications Experience ...

Security Engineer, SDO AppSec EMEA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
find endless knowledge-sharing, training, and other career-advancing resources here to help you develop into a better-rounded professional. Work / Life Balance We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why we strive … Python, Java, or C++ Bachelor's degree in computer science or equivalent Knowledge of networking protocols such as HTTP(S), DNS, and TCP / IP Experience in application security architecture, security code reviews, security testing, incident response, or security infrastructure Experience with AI / ...

Content Security Engineer, GME Security

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
team requests and end-to-end vendor security coordination Research, evaluate, and pilot next-generation content security measures such as forensic watermarking, audio / video fingerprinting, and content tracking technologies Contribute to the team's strategy for securing pre-release content against generative AI threats, including AI-driven … build internal security tooling to automate workflows such as access governance, audit reporting, and compliance monitoring Write and maintain lightweight automation (Python / scripting) to support security tooling, audit workflows, and operational reporting Develop and iterate security standard operating procedures tailored to each studio and production team Provide ...

IT Networking and Infrastructure Engineer - 12 month FTC

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with a range of stakeholders.You will have:EssentialProven experience supporting enterprise network infrastructure within a multi-site organisation.Strong understanding of networking technologies, including TCP / IP, routing, switching, VLANs and network security.Hands-on experience with Cisco network infrastructure, including switches, wireless access points … stakeholder management skills.Willingness and ability to travel extensively throughout the UK with regular overnight stays.DesirableCCNA certification or equivalent networking qualification.Experience working with OT / IoT or industrial network environments.Knowledge of Cisco ISE and 802.1x network authentication.Familiarity with Zscaler ZIA / ZPA technologies.Experience working alongside cyber security ...

Operations Support Manager - Banking / Financial

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £95,000 per annum
Operations Support Manager - Banking / Financial Whilst the emphasis is on Team Lead / Managers role, ideal candidates will come from a Technical background in a Banking / Financial environment with experience of E-Trading Applications in a Linux environment with an understanding … Databases (SQL Server, Oracle) and Scripting - Python / Bash / Shell. About The Role : Managing a highly technical Support Team, looking after a Trading / Settlement Systems in a fast paced and pressurised environment. You’ll be the bridge between the business and technology ...

Production Services Specialist I

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to €90 per hour
Production Services Specialist II | Remote | Inside IR35 | $90 p / h | 4-Day Week (up to 40 hrs, Rota-Based) | IP Services / Load Balancing & DDI We're looking for an experienced Production Services Specialist II (contract) to support a large-scale IP … BlueCat (on-prem and Cloud Resolver) infrastructure. Support incident triage, proactive reviews and disaster recovery testing. Maintain documentation, runbooks and adherence to design / governance standards. Coordinate with senior engineers, architecture and business stakeholders. Contribute to Operations projects and infrastructure improvement initiatives. Key skills: 7+ years' experience ...

L2 Desktop Support Engineer (Ad-hoc / On-Demand)

Hiring Organisation
Allied Worldwide
Location
City of London, London, United Kingdom
legacy hardware platforms Strong background in supporting the latest Microsoft Office suite on Windows and Mac platforms with recent support. Good Knowledge of TCP / IP and Network configuration at a Desktop OS level Enterprise-level support of Active Directory and Exchange for troubleshooting … Working knowledge of Mac OSx, Latest Windows OS (preferably A+, MCP or MCSE qualified) and related Office applications. Basic knowledge of LAN / WAN, TCP / IP Protocol, Citrix, routers, and switches Basic experience in Support / ...

Lead Software Engineering - C++

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
solutions across design, development, and troubleshooting. Design, develop, and test reliable, high-quality C++ code for trading connectivity and risk controls on Unix / Linux platforms. Implement end-to-end low latency client setups, including production rollout and post-release validation. Automate remediation for recurring issues to improve … authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review / refactoring, test strategy acceleration, incident / root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing ...

Lead Software Engineering - C++

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
solutions across design, development, and troubleshooting. Design, develop, and test reliable, high-quality C++ code for trading connectivity and risk controls on Unix / Linux platforms. Implement end-to-end low latency client setups, including production rollout and post-release validation. Automate remediation for recurring issues to improve … authorized AI-assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review / refactoring, test strategy acceleration, incident / root-cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing ...

Crypto Trading Linux SRE Platform Engineer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum
Leading Crypto Trading Client requires a Linux SRE Platform Engineer (Networking Development, Support Administration) with Web Scraping, Python, TCP IP Virtual Servers & Networking skills who thrives on ownership and loves solving problems on a global scale. C Stakeholder facing position, candidate will be a self starter … infrastructure SME for a 24x7x365 globally distributed ethical web scraping function, supporting a multi region high frequency crypto trading operation Strong Linux / TCP IP network stack knowledge, as well as optimization / tuning Liaise closely and collaboratively with central infrastructure team ...

PPM Engineer - Reading and London

Hiring Organisation
Reliance High Tech
Location
London, United Kingdom
Employment Type
Permanent
Salary
£35000 - £40000/annum Health Care, Pension, UPsell Scheme
Reliance High-Tech / Reliance Protect is the UK's largest independent integrator / installer of security solutions / lone worker solutions. We are trusted by leading brands and organisations to protect their people, assets and reputations through innovative technology and specialist expertise. Unique … industry, Reliance High-Tech / Reliance Protect combines the capability and footprint of a large organisation, with the agility and customer focus of an independent business. We operate at the top end, for the most discerning clients, in the most demanding and complex environments with the highest stakes ...

Go Software Developer - HFT in London - Quant Capital

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Developer - HFT London, United Kingdom Posted about 1 year ago This is a job posted by our partner Jooble. Tech stack Linux C TCP / IP Go Python Debian Essential Attributes Proficiency in programming languages particularly Go but also Python or C. Demonstrable experience … passion for automation. Strong experience using Linux (RedHat / Debian), TCP / IP networking, and systems from a commercial perspective. Compensation £150K - 200K Role type Full time Visa sponsorship Not provided Benefits & perks No additional benefits listed. #J-18808-Ljbffr ...

Security Presales Systems Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
cycle.* Engage with CISOs, security architects, and IT leaders to discuss cybersecurity strategy, industry trends and modern security architectures.* Produce high-quality RFP / RFI responses, security questionnaires and technical documentation.* Collaborate with Product Management and Engineering to ensure successful solution design, implementation and customer success.* Build trusted … evenings or weekends when required.**Required Qualifications*** 5+ years' experience in technical pre-sales or solution engineering across cybersecurity, networking, Cloud or SASE / SSE.* Strong knowledge of SASE, SSE, Zero Trust, SD-WAN, NGFW, NAC, ZTNA, CASB, SWG, DLP and cloud security.* Solid understanding of networking technologies ...

SC Platform AWS Engineer CGEMJP00347169

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role Title: Platform AWS Engineer Duration: contract to run until 31 / 10 / 2026 Location: London. Hybrid working with occasional travel Rate: up to £552 p / d Umbrella inside IR35 Clearance required: Active SC Clearance. UK National Required Skills Linux (Redhat, RPMs … SELinux, filesystems, users / groups, systems management) Ansible Git (Github, Actions CI, repositories, branches, merge requests / code reviews, etc) General networking, IP addressing, CIDRs, TCP / IP, TLS certificates, etc. Running and working with Java applications, JVMs ...

Mainframe Network Engineer

Hiring Organisation
Ixceed Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £350 per day
Role: Mainframe Network Engineer Location: London, UK (Hybrid) Duration: 6+ Months with possible extension. 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 … 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 / ...

Network Engineer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
enterprise environments aligned to a Modern Ops and AI-first operating model. The role focuses on Network Infrastructure as Code (NetIaC), CI / CD pipelines, AI-driven operations (AIOps), observability integration, and SRE-led reliability engineering. Key Responsibilities Develop and manage Network Infrastructure as Code (NetIaC) using Python … Ansible, and Terraform for provisioning and lifecycle management. Design and implement CI / CD pipelines using GitOps, APIs, and orchestration platforms (e.g., Itential) for network services. Automate connectivity services (VLAN, DNS, Firewall, DDI) integrated with ServiceNow and ITSM workflows. Drive AI / ML use cases such ...

Junior Software Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £70,000 per annum
Junior Full Stack Developer (Next.js / React / Go / C#) - up to £70k, London The Overview Our client is a leading IT organisation, recognised for its innovative approach and strong reputation in the industry. They're mid-way through a major digital transformation … focus on backend logic and APIs Working closely with senior engineers to turn requirements into shipped features Building and maintaining RESTful and / or GraphQL APIs and backend services Helping keep applications performant, secure, and accessible Getting stuck into code reviews as part of a collaborative team What ...

Principal Control Systems Engineer

Hiring Organisation
Matchtech
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£40.00 - £65.00 per hour
Narratives, Control Philosophy documents, and Functional Logic Specifications for energy-sector automation systems. Design robust control system network architectures, including Ethernet / IP, Profinet, Modbus, and redundant industrial networks. Lead or support system configuration, testing, FAT / SAT, commissioning, and operational optimisation … Effect diagrams, and Control Strategies used in energy and industrial facilities. Hands-on knowledge of industrial communication protocols such as Profinet, Modbus TCP / IP, and Ethernet / IP. Experience with OPC UA for data exchange and system integration. Familiarity with ...

Application Support Engineer (Cash Equities)

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
frequency trading systems, global markets, and cutting-edge real-time technologies in a fast-paced environment. Key Responsibilities Provide hands-on Level 1 / 2 / 3 support for the Cash Equities Execution platform Sit directly with High Touch and Low Touch trading desks , supporting real … part of a global support model Required Skills & Experience Strong experience supporting trading systems or low-latency platforms Solid expertise in Unix / Linux environments and system-level troubleshooting Proficient in at least one scripting / programming language (e.g. Python, Bash, Go ) Experience with monitoring & observability ...

Senior Network Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
issues. Troubleshoot complex network and cross‐domain infrastructure issues spanning network, compute, and cloud layers. Develop and maintain accurate documentation including network diagrams, IP address management (IPAM), standards, and runbooks. Partner with security teams on vulnerability remediation, incident response, and compliance requirements. Coordinate with vendors, ISPs, and internal … need Strong, demonstrable hands‐on experience designing, implementing, and supporting enterprise network environments. Strong expertise in network security, including firewalls, segmentation, encryption (IPsec / TLS), secure remote access, and intrusion detection / prevention systems. Deep knowledge of routing and switching technologies (e.g., Cisco, Aruba, Juniper, Meraki ...

Software Engineer - Rust

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Computer Science, Engineering, Maths, Physics). Coding Aptitude :3+ years ofprogramming experiencein Rust orC++ and the willingness to learn new languages quickly.Withtheexpectation tocontributeacrossRust / Java / C++ / Pythoncodebases asrequired. Experience with Linux development : Experience with using Linux and developing software running on Linux. … experience with Docker. Preferred Qualifications: Any of the following skills would be particularlyadvantageous, but we welcome applications without these: Experience with data science / AI Familiarity withNATS.io Knowledge of networks and networking protocols (such as TCP / IP and HTTP) Exposure ...

Software Engineer - Rust

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
years of programming experience in Rust or C++ and the willingness to learn new languages quickly. With the expectation to contribute across Rust / Java / C++ / Python codebases as required. Experience with Linux development: Experience with using Linux and developing software running … with Docker. Preferred Qualifications: Any of the following skills would be particularly advantageous, but we welcome applications without these: Experience with data science / AI Familiarity with NATS.io Knowledge of networks and networking protocols (such as TCP / IP and HTTP) Exposure ...

Data Centre Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Orpington, London, United Kingdom
Employment Type
Permanent
Salary
£45,000
working alongside project teams and clients to deliver successful installations Technologies you'll be working with: Windows Server & Active Directory Microsoft Azure VMware / Hyper-V Cisco, HPE, Aruba & Dell hardware Firewalls, wireless infrastructure & networking TCP / IP, DNS, DHCP & VLANs Structured … cabling (Cat5e / Cat6 / Fibre) Server racks, patch panels & cable management Backup technologies & ConnectWise (or similar) What's on offer: Salary up to £45,000 Company van & fuel card Exposure to a variety of infrastructure and data centre projects Ongoing training and career development Opportunity ...

Threat Detection Engineer - Permanent - SOC, KQL, Active Directory, Powershell, Python - Hedge Fund

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
business strategies. Operational Excellence - Ensure Millennium Information Security capabilities remain fit for purpose and evolve to meet the changing threat landscape. Qualifications / Skills Required Bachelor or master's degree in computer science or cyber security with strong IT background or equivalent demonstrable experience. 3 years' experience working … tooling across security domains; network, endpoint, data, identity and cloud. Experience in standard enterprise technology stack, Active Directory, Entra, Group Policy, Intune, DNS, TCP / IP, PKI, Microsoft 365, Windows, Linux, MacOS, etc. Ability to handle sensitive and / or confidential materials ...

Site Reliability Engineer

Hiring Organisation
Inspire People
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£49,734 - £57,176 per annum, Pro-rata, Inc benefits
with development teams giving them the tools for their job, including application performance monitoring, exception, log and metrics aggregation, dashboards, and declarative CD / CI pipelines. £45,835 to £60,993 (including allowances) London £49,734 to £60,993, National £45,835 to £57,176. (including allowances) plus … initiative to develop 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 work alongside senior members of the team to pro-actively engage product teams about service ...