1 to 25 of 46 TCP/IP Jobs in London

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 ...

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 ...

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 ...

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 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 | £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 ...

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 ...

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 / ...

highest percentage of staff who said they would recommend us as a place to work, out of all general acute or acute / community NHS trusts in England for the third year in a row. UCLH recognises the benefits of flexible working for staff To find out more … Knowledge and Qualifications Essential 1st or 2nd class honours degree in computer science, a physical science, engineering, or equivalent PhD or equivalent (MSc / MEng with additional specialist training or research experience) in a relevant field, or an equivalent level of knowledge obtained through a combination of qualifications ...

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 ...

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 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 / ...

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. ...

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 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 | 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 (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 ...

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 ...

Network Engineer (Fortinet) 80% Project / 20% Service Desk Escalation Location: London Type: Permanent Salary: £55k plus bonus and benefits Were hiring a hands - on Network Engineer to lead and deliver network security projects (approx. 80% of the role) and act as the technical escalation point … FortiGate firewall and Fortinet platform deployments. Configure and manage FortiGate (physical & virtual) firewall policies, high availability, routing and VPNs. Deploy and maintain FortiEMS / FortiClient endpoint security and integrate endpoint telemetry into security operations. Integrate and operate Fortinet Security Fabric components for centralized visibility and automated response. Provide ...

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 ...

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 ...

threat intelligence sources to identify emerging risks relevant to the organisation. Required Skills: * Strong understanding of network protocols and system behaviour including TCP / IP, DNS and HTTP / S. System internals (Windows, Linux), and cloud environments (Azure and AWS). * Experience ...

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 ...

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 ...

strong emphasis on service quality and ITIL-aligned processes. Key responsibilities will include: Providing 1st and 2nd line support for Windows 10 / 11 users, resolving hardware, software, and access issues Logging, managing, and updating incidents and service requests via the IT Service Management system Administering Active Directory … processes Supporting Microsoft 365 services including Exchange Online, Teams, and SharePoint Assisting with desktop and laptop builds using imaging tools such as SCCM / Endpoint Configuration Manager Maintaining accurate IT asset records and supporting asset management processes Supporting Remote Desktop Services and general connectivity issues Creating and updating ...