126 to 150 of 339 TCP/IP Jobs in London

such as Sophos or similar platforms Basic understanding of virtualization technologies such as VMware or Hyper‐V Working knowledge of networking fundamentals, including TCP / IP, DNS, DHCP, LAN / WAN, VPN, routing, switching, wireless networking, and firewalls Strong written and verbal ...

field Understanding of cybersecurity and IT disciplines including networking, operating systems, authentication protocols, general enterprise network, architecture, and security incident response. Knowledge of TCP / IP Protocols, network analysis, and network / security applications Basic knowledge of Linux / Unix … communication skills (English language) What makes you uncommon? (not required) Certifications such as Network+, Security+, CySA+ 1-3 years' experience as a Security / Network Administrator or equivalent knowledge Prior SIEM experience and / or administration Hands‐on experience with parsing data, log formats, regular expressions ...

Ability to collaboratively set priorities and coordinate work with peers. Adaptability to work with multiple teams on projects with varying degrees of flexibility / rigidity. Your skills: Strong troubleshooting and problem-solving skills with the ability to resolve technical issues effectively. Establish connectivity to, and appropriate archiving from … with a variety of technical and non-technical contacts. Advanced knowledge of two or more of the areas listed: Networking fundamentals (AD, ADFS, TCP / IP, DNS, DHCP, VPN, LDAP, SSO). Microsoft Exchange, Office365, and / or Google G Suite experience. ...

Systems Engineer Sever / NetworkQuant Capital is urgently looking for a Systems Engineer to join our high profile client. My client is a well-established and well known fintech data provider to the financial markets. The client offers Gym Membership, every other Friday working on what you want … work Time and 25 days holiday. I'm looking for a new Senior Systems / Network Administrator to join a highly technical and motivated operations team in a fast-paced international company, reporting directly to the Head of Operations. You'll have an in depth knowledge of Cisco ...

proven track record in working within a high-frequency, low-latency, or electronic trading environment. Strong understanding of networking concepts and protocols, including TCP / IP, UDP, unicast, and multicast. Good knowledge of Linux, including system calls, multithreading, inter-process communication, sockets, and scheduling. … client-server applications and a strong grasp of software performance, concurrency, and networking. #LI-JM1 Job Info Job Identification 249570 Posting Date 08 / 04 / 2026, 03:55 PM Locations 288 Bishopsgate,, London, EC2M 4QP, GB #J-18808-Ljbffr ...

network administration or engineering, with at least 3‐5 years in a leadership or managerial role. Deep technical expertise in network protocols (TCP / IP, OSPF, BGP), routing, switching, and firewall technologies (e.g., Cisco, Juniper, Palo Alto, Fortinet). Proven experience with network design … educating children, helping nurture the next generation of great leaders. Core Values: Trust, Innovation, Teamwork, Resilience, Truth. Location: [Specify location, e.g., Remote / US‐based / [City, Country]] #J-18808-Ljbffr ...

journeys. What you'll be doing: Implementing and configuring Microsoft Purview for data governance and compliance. Designing and deploying Information Protection policies (AIP / MIP), including sensitivity labels, DLP and Insider Risk Management Policy configurations. Advising on strategies to prevent unauthorized data sharing and mitigate data leakage risks. … tools such as Qualys or similar. Understanding of CIS Benchmarks and security hardening practices. A good understanding of the protocols underpinning the web - TCP / IP, SSL / TLSExtensive, multi-year project experience in complex environments. Who we are: At NTT DATA ...

world such as TikTok. Responsibilities:- Design, build, operate and optimize the global network, including backbone, data center, public cloud and Edge / CDN.- Work with cross-functional teams including but not limited to compute, storage, database, recommendation system, drive the innovation and evolution of the network.- Work with … perform testing and verification.- Travel may be required up to 15% - 30% of the time. Minimum Qualifications:- Good understanding of network protocols including TCP / IP, DHCP, BGP, OSPF / IS-IS and MPLS related technologies.- Good understanding of network monitoring protocols ...

maintenance, often in maritime environments. Bachelor's degree in engineering or a related discipline Hands‐on exposure to essential network protocols including LAN, TCP / IP, DNS, DHCP, NAT / PAT, IPsec, and BGP routing Strong experience in either implementation, configuration … optimised to support expected customer service levels. Desirable: Knowledge on SDN-NFV and SD‐WAN Foundational knowledge of hypervisors like VMware ESXi / KVM Foundational knowledge of AWS Cloud Computing Platforms Working experience of Routing & Switching and NexGen Firewall Familiarity with Google Suite, Service-Now What ...

security teams, and global stakeholders. This is a hands-on role with a strong focus on modern networking, automation, and cloud connectivity (Azure / AWS). Key Responsibilities: Build, configure, and support Layer 2 / 3 networks, including connectivity across data centres, cloud platforms, and remote … locations. Implement and optimise cloud networking (Azure / AWS) and SD-WAN solutions integrated with SaaS and enterprise systems. Manage and support network security platforms, monitor performance, troubleshoot complex issues, and ensure high availability. Develop automation solutions for provisioning and configuration, while driving continuous improvement and standardisation What ...

complete picture of candidate requirements. We're looking for a Network Engineer with solid foundations across routing, switching, firewalls, LAN / WAN and troubleshooting who wants to develop deeper expertise across Microsoft Azure, hybrid networking, security and automation. You'll support a varied environment covering cloud infrastructure, corporate … monitoring and troubleshooting Terraform, PowerShell, Python and Azure CLI Network-as-Code and automation We're looking for someone with: Good enterprise LAN / WAN experience Strong TCP / IP and subnetting knowledge Hands-on routing and switching experience VLAN ...

extension Engagement: Contract The successful consultant will be responsible for: Designing, deploying and supporting secure and scalable Azure environments Developing and improving CI / CD pipelines and deployment automation Supporting application infrastructure, integrations and production environments Implementing Infrastructure as Code (IaC) and automation solutions Supporting identity, access management … operational security Strong experience across the Microsoft Azure platform , including compute, networking, storage, identity, monitoring, security and governance Strong Azure DevOps and / or GitHub Enterprise experience, including repositories, pipelines, releases and deployment automation Hands‐on experience with Bicep, ARM Templates and / or Terraform Strong ...

maintenance, often in maritime environments. Bachelor's degree in engineering or a related discipline Hands‐on exposure to essential network protocols including LAN, TCP / IP, DNS, DHCP, NAT / PAT, IPsec, and BGP routing Strong experience in either implementation, configuration … optimised to support expected customer service levels. Desirable: Knowledge on SDN-NFV and SD‐WAN Foundational knowledge of hypervisors like VMware ESXi / KVM Foundational knowledge of AWS Cloud Computing Platforms Working experience of Routing & Switching and NexGen Firewall Familiarity with Google Suite, Service-Now What ...

assessments and penetration testing exercises, prioritising and remediating findings in a timely mannerManage and continuously improve security tooling, including SIEM, EDR, firewalls, IDS / IPS, and endpoint protection platformsAct as the escalation point for security-related incidents across 2nd and 3rd line, providing expert guidance and driving resolutionSupport … switches, VPNs, and wireless systems (primarily Cisco-based), with a security lens on all configuration and changeOperate across Windows and Linux (Red Hat / CentOS) environments, ensuring both are maintained to a consistent security baselineCollaborate with infrastructure and technology teams to embed security into project delivery ...

with the strategic ability to translate complex threats into clear, actionable guidance. Responsibilities Design and own cloud security architecture across AWS, Azure, and / or GCP environments, including the development of reference architectures and reusable solution patterns Define and author enterprise‐level security policies, controls frameworks, and governance … Cyber Essentials Plus, PCI DSS, and other relevant regulatory frameworks Support DevSecOps adoption and integrate security tooling and controls into CI / CD pipelines across client delivery teams Engage senior stakeholders and executive teams with clear security risk reporting, remediation guidance, and strategic security roadmaps Lead or contribute ...

platform maintenance activities, upgrades, patching, and vulnerability remediation. Required Skills & Experience Strong hands-on experience supporting enterprise network security environments. Solid understanding of: TCP / IP DNS DHCP NAT HTTP / HTTPS TLS VPN Technologies Experience with routing protocols including: BGP OSPF … Mimecast. Basic scripting or automation skills using PowerShell, Python, APIs, or Infrastructure-as-Code tools. Relevant certifications such as: Palo Alto Fortinet CCNA / CCNP ITIL Foundation What We're Looking For We're looking for a proactive and technically capable engineer who can work independently, take ownership ...

London, United Kingdom Salary £70,000 – £95,000 / year (Depending on Experience) City London Province City of London Country United Kingdom Postal Code EC1A About Us MastarRec is a specialist recruitment and staffing agency supporting high-growth and technology-driven industries across the United Kingdom, the United … Metasploit, Nmap, Wireshark) Experiencewith OWASP Top 10 , vulnerability scanning, and exploit development Familiaritywith MITRE ATT&CK framework and red team methodology Solidknowledge of TCP / IP, firewalls, DNS, HTTP / HTTPS, and encryptionprotocols Strongreporting and communication skills Atleast one industry certification (OSCP ...

network infrastructures. Advanced knowledge of routing and switching concepts, with hands-on experience in managing complex network environments. In-depth understanding of the TCP / IP stack and experience with a broad range of networking hardware and software, including Switches, Routers, Firewalls, IPS / … security (RPZ / DFP). Proven hands-on experience with Arista Campus and Data Centre platforms, including AGNI (network access control / policy) and CVaaS for network telemetry and lifecycle management. Familiarity with F5 platforms (LTM / AFM) is advantageous, to support continuity ...

recurring operational problems, building automation and self-service capabilities, and reducing manual intervention across the platform. The environment spans Linux infrastructure, Kubernetes, CI / CD, messaging, storage and distributed platform services. You'll need genuine engineering depth rather than simply managing people, with the credibility to troubleshoot complex … production issues alongside your team when required. We're looking for experience across: Deep Linux / Unix systems engineering and troubleshooting Python, Go and / or Bash for automation and tooling Kubernetes and containerised production environments CI / CD and configuration management Infrastructure automation ...

premises and cloud infrastructure, including physical and virtual servers, storage, backup platforms, identity services, core network services, and enterprise applications. Administer Azure and / or AWS environments with responsibility for availability, capacity, performance, monitoring, secure configuration, backup, and disaster-recovery readiness. Define technical roadmaps, identify operational risks … coverage, risk-based prioritization, remediation timelines, exception documentation, validation, and status reporting. Administer and validate endpoint protections such as full-disk encryption, EDR / XDR, host firewall, secure boot, application controls, device compliance, removable-media controls, and least-privilege configurations. Harden identity and administrative access through role-based ...

Network Support Team Lead (Microsoft & Infrastructure) Location: Central London (Office / Client Based) Salary: 45,000 - 55,000 + Training & Career Development An established and growing IT Infrastructure and Managed Services Provider is seeking an experienced Network Support Team Lead to oversee its Service Desk function and lead … technical support and guidance across: Microsoft 365 (Exchange Online, Teams, SharePoint, OneDrive) Microsoft Entra ID (Azure AD) Active Directory & Group Policy Windows 10 / 11 & Windows Server Azure & Hybrid Cloud Environments Intune / Endpoint Management Microsoft Defender Suite Networking, Switching, Routing & Firewalls Enterprise Wi‐Fi & Wireless ...

limited to, design, deployment, and escalated problem resolution, for a large service provider network infrastructure. You'll work with internal / external clients, operations / systems, financial exchanges, and other Network Engineers to design, automate, research and develop, investigate and solve system issues, and participate … have: CCIE or JNCIE certified or equivalent level of knowledgeStrong understanding of general network routing and switching protocols and theory. Solid understanding of IP Multicast with experience supporting market data feeds in a trading environment. In depth knowledge of BGP theory, operation, and traffic-engineering within complex routing ...

Your day-to-day responsibilities will involve close collaboration with customers, partners, and Account Managers to deliver business value, conduct demos and POC / Vs, and contribute to the success of bids and tenders. You will provide end-to-end technical and business value guidance before and during … elevate edge‐case needs. Produce architecture diagrams, technical proposals, or proof‐of‐concept (PoC) plans. Support the preparation and delivery of RFP / RFI responses, technical questionnaires, and bid documentation. Cross Functional Collaborations Partner with Account Executives and Customer Success Managers to align technical value with customer goals. ...

accounts.Your day-to-day responsibilities will involve close collaboration with customers, partners, and Account Managers to deliver business value, conduct demos and POC / Vs, and contribute to the success of bids and tenders. You will provide end-to-end technical and business value guidance before and during … elevate edge-case needs. Produce architecture diagrams, technical proposals, or proof-of-concept (PoC) plans. Support the preparation and delivery of RFP / RFI responses, technical questionnaires, and bid documentation. Cross Functional Collaborations Partner with Account Executives and Customer Success Managers to align technical value with customer goals. ...

governance of approved AI-assisted engineering practices across teams to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted code review / refactoring, test acceleration, release readiness, incident / root-cause analysis), while establishing measurable validation standards (secure coding, peer review, automated testing … promoting reuse of proven patterns and automation within the SDLC / TLM toolchain. Applies knowledge of tools within the Software Development Life Cycle toolchain, including approved AI-assisted development and automation capabilities, to improve the value realized by automation at scale. Required qualifications, capabilities and skills Detailed understanding ...