1 to 25 of 52 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 Analyst

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Security Analyst - CISSP, CISM, CEH, EDR, SIEM, SOAR, IDS / IPS, TCP / IP, Defender Our leading global law firm client are currently looking to take on a new Security Analyst (CISSP, CISM, CEH, EDR, SIEM, SOAR, IDS / IPS, TCP / IP, Defender) to join their team on a permanent basis. The firm are an extremely modern law firm which offer a healthy hybrid working solution 2-3 days per week in London and offer a great deal of autonomy ...

Senior CIRT / Threat Intel Analyst

Hiring Organisation
S&P Global
Location
Greater London, United Kingdom
Employment Type
Full Time
endpoints, networks, cloud, and SaaS. Integrate threat intelligence into investigations (e.g., enrich IOCs, map activity to MITRE ATT&CK, identify likely threat actors / TTPs, and assess potential impact). Understand the threat landscape through collaboration with industry peers, FS-ISAC, trust groups, and commercial / … investigate incidents and deliver containment, remediation, and root cause analysis; produce high-quality intel-informed incident reports. Create and tune detections (e.g., SIEM / SOAR, EDR) using intelligence signals (TTPs, behaviors, YARA / Sigma where applicable). Produce and present consumable intelligence outputs (e.g., flash alerts ...

Physical Security Systems Engineer, Physical Security Systems Specialists (PS3), Physical Security Systems Specialists (PS3)

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
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 … 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 BASIC QUALIFICATIONS: - Bachelor ...

Graduate Devops Engineer, AWS

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
Work proactively to solve potential problems and inefficiencies. Communicate clearly and collaborate with others to deliver results with minimal supervision. - Participating in 24 / 7 on-call rotation to troubleshoot high severity issues. - Analysing dashboards and investigating metrics with the vision for improvements. - Troubleshooting and diagnosing problems … 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 ...

Systems Engineer, AWS

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
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 … find endless knowledge-sharing, mentorship 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 ...

VoIP Operations & Production Release Engineer

Hiring Organisation
StableLogic
Location
Greater London, England, United Kingdom
production environments and coordinate maintenance windows with carriers, customers, and internal stakeholders. · Define and enforce release governance: change tickets, deployment runbooks, pre / post-checks, and back-out plans for every change. · Drive continuous improvement of CI / CD pipelines (e.g., GitLab CI, Jenkins, GitHub Actions … Conduct post-release reviews and feed lessons learned back into engineering. VoIP Platform Operations · Operate, tune, and troubleshoot Kamailio as the SIP edge / registrar / proxy: dispatcher, dialog, permissions, auth, accounting, TLS, NAT traversal, RTPengine integration, scripting in KEMI / native config. · Operate ...

Network Deployment Engineer, Network Infrastructure Design & Deployment

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
talented people who want to help BASIC QUALIFICATIONS: - Bachelor's degree in computer science or equivalent, or experience with networking and troubleshooting (TCP / IP, DNS, routing, switching, firewalls, LAN / WAN, traceroute, iperf, dig, cURL or related) at an advanced level … managing small to medium scale projects PREFERRED QUALIFICATIONS: - Experience with Microsoft Office products and applications. - BS in Information Systems or Computer Science and / or relevant certifications Understanding of infrastructure technologies, including Routers, Switches, etc. as well as network cabling, optic types, and test equipment Amazon ...

System Engineer, Messaging and Streaming Team

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
Work proactively to solve potential problems and inefficiencies. Communicate clearly and collaborate with others to deliver results with minimal supervision. * Participating in 24 / 7 on-call rotation to troubleshoot high severity issues * Analysing dashboards and investigating metrics with the vision for improvements * Create and maintain Standard Operating … find endless knowledge-sharing, mentorship 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 ...

System Engineer, Databases Team

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
Work proactively to solve potential problems and inefficiencies. Communicate clearly and collaborate with others to deliver results with minimal supervision. * Participating in 24 / 7 on-call rotation to troubleshoot high severity issues * Analysing dashboards and investigating metrics with the vision for improvements * Create and maintain Standard Operating … find endless knowledge-sharing, mentorship 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 ...

Senior Systems Engineer

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
efficiently and routinely deliver the right things with limited guidance. They use technology to solve complex problems. They are able to improve and / or drive improvements to these services and features for their team. They understand how their work impacts multiple teams. They are able to take … They understand how technical decisions impact their team, and other, teams' services and recommend opportunities and solutions for these problems. They optimize and / or automate team processes, ensuring they meet organisation goals. They lead implementation reviews (e.g., designs, code, operational readiness, deployment plans, system changes, etc.). ...

Security Engineer, Amazon Application Security

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
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 … achieve. BASIC QUALIFICATIONS: - Bachelor's degree or equivalent in Computer Science - Knowledge of networking protocols such as HTTP(S), DNS, and TCP / IP - Experience programming in Java, C++, Python or related language - Experience in application security architecture, security code reviews, security testing, incident ...

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. ...

Golang Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
London, UK
GOLANG ENGINEER ESSENTIAL SKILLS Strong commercial experience with Go (Golang) Solid Linux experience (command line, system-level understanding) Strong understanding of networking concepts (TCP / IP, protocols, performance) Experience building scalable, distributed systems Strong problem-solving skills and attention to detail TO BE CONSIDERED … Please either apply through this advert or email me directly via . For further information please call me on 0203 763 3888 / 07704 152 638. By applying for this role, you give express consent for us to process and submit (subject to required skills) your application ...

Golang Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
GOLANG ENGINEER ESSENTIAL SKILLS Strong commercial experience with Go (Golang) Solid Linux experience (command line, system-level understanding) Strong understanding of networking concepts (TCP / IP, protocols, performance) Experience building scalable, distributed systems Strong problem-solving skills and attention to detail TO BE CONSIDERED … Please either apply through this advert or email me directly via . For further information please call me on 0203 763 3888 / 07704 152 638. By applying for this role, you give express consent for us to process and submit (subject to required skills) your application ...

Security Proxy Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Security Proxy Engineer | £500-£600p / day (Inside IR35) | 6 months (initially) | London (3 days on site) | ZScaler / Netskope / Bluecoat A client of ours is looking for an experienced Security Proxy Engineer to support and enhance its enterprise proxy and secure egress … aligned to strict security and governance standards, while also providing hands-on operational support. Location: London, 3 days on site Rate: £500-£600p / day (Inside IR35) Contract length: 6 months (very strong possibility of extension due to the length of the project) Key Responsibilities: Provide ...

Vice President, Platform Engineering - Windows SRE

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
remediation plans* Develop standard operational procedures and produce effective documentation* Analyse workloads and devise suitable cloud migration strategies where appropriate* Ensure all project / investment workloads are delivered according to plans and budget defined* Liaise with Infrastructure Control and IT Risk teams to satisfy internal and external … detected promptly and satisfactorily resolved* Ensure sufficient capacity is available to accommodate drive growth* Respond to emails sent to the team distribution list / mailboxes in a timely manner* Handle incidents and requests with efficiency and a “customer first” mindset* Maintain infrastructure in a highly available, reliable, secure ...

Senior Security Proxy Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
proxy and secure web gateway services under defined standards. Manage proxy policies for web access control, traffic inspection, TLS decryption, and egress IP enforcement. Execute routine operational tasks including configuration changes, upgrades, patching, and vendor recommended updates. Monitor proxy service health, availability, and performance, identifying and resolving … teams to deliver stable proxy services. Escalate design gaps, operational risks, or recurring issues to senior engineers or architects. Your Profile Essential skills / knowledge / experience: 6 years of hands on experience supporting enterprise proxy or secure web gateway platforms. Strong understanding of HTTP / ...

Distribution Operations Engineer

Hiring Organisation
Warner Bros. Discovery
Location
Greater London, United Kingdom
Employment Type
Full Time
health of Distribution equipment. Proactively identify and address potential risks and vulnerabilities in our distribution infrastructure, recommending mitigation strategies Develop corporate oversight / participation in Distribution Technologies Assist with training and development of Distribution Staff Members as needed. Create and update documentation and procedures Implement, or assist with … video and PCM, Dolby D and E and its variants for audio signals as well as awareness of TCP / IP Network concepts including multicast traffic Knowledge of and experience with SMPTE 2110 Working experience with Television Distribution Systems – fibre and satellite based encoding ...

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 ...

Linux Systems Administrator - Intermediate - Financial / Banking

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £70,000 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. Manage and respond to queries / ...

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 / ...

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 ...