26 to 50 of 122 TCP/IP Jobs in London

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 ...

Desktop Support Analyst - Linux, Windows

Hiring Organisation
N P Associates
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £55,000 per annum
floor, resolving issues directly while continuously identifying and eliminating repetitive manual tasks through automation and scripting. Candidates MUST have at least some Unix / Linux Systems Administration experience along with strong Scripting in any of: PowerShell, Bash, Python. About the role: Acting as the first point of contact … person, phone, chat, ticketing), triaging quickly and prioritising anything affecting live trading or market-critical systems. Providing desktop support for Windows and Unix / Linux workstations, including setup, imaging, configuration, troubleshooting, and hardware. Supporting multi-monitor trading desk setups, peripherals, and dealer boards, as well as setting ...

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
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
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 ...

Specialized Cloud Network Engineer - Multi-Cloud

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London Arena, United Kingdom | Posted on 29 / 07 / 2026 Specialized Cloud Network Engineer -Multi-Cloud Contract Location: London / Belfast (Hybrid) Contract Duration: 12 months initially (with potential extension) Contract Start Date: Immediate Contract Classification: Inside IR35 Job Summary As a Cloud … philosophy to ensure operationalexcellence. Key Responsibilities Multi-Cloud Network Architecture & Engineering: Design, implement, and manage advanced network architecturesacross AWS and GCP, including VPC / VNet design, subnetting, routing, IPaddressing schemes, and network segmentation. Hybrid Cloud Connectivity: Establish and maintain robust, high-performance, and secure connectivitybetween on-premise data ...

Service Delivery Analyst

Hiring Organisation
Toro Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 per annum
configure and maintain Windows and MacOS endpoints Basic macOS troubleshooting (safe mode, disk space, software updates, FileVault) Support the management of Sophos MDR / XDR Investigate endpoint security alerts. Assist with vulnerability remediation and patch management. Support endpoint compliance and security best practice. Assist with customer cyber security … Remote desktop environments Assist with: Backup monitoring and restore testing Firmware updates Infrastructure maintenance Performance investigations Networking Support customer networking environments including: Ubiquiti / UniFi Managed switches Firewalls Wireless access points VPN connectivity Internet connectivity troubleshooting User Administration Manage starters, movers and leavers. Provision and decommission user ...

Onsite AV Engineer

Hiring Organisation
Jacobs Massey
Location
City of London, London, United Kingdom
Employment Type
Permanent
Video Conferencing: -Expertise in major platforms (e.g., Microsoft Teams Townhall & Zoom) -Advanced troubleshooting of video, audio, and content sharing issues. -Understanding of SIP / H.323 protocols and cloud-based conferencing services Microsoft Teams Ecosystem: -Expert-level knowledge of MTR deployment, configuration, management, and troubleshooting (Windows and Android). … beamforming arrays) and optimal deployment. -Strong understanding of loudspeaker systems, amplification, acoustic principles, audio routing, mixing, and gain structure optimisation. -Familiarity with Dante / AVB / AES67 audio networking protocols. Display Technologies: -Expertise in projectors, interactive displays, LED walls, and commercial-grade LCD / ...

Senior Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
## Senior Site Reliability EngineerApplylocations: London (82)time type: Full timeposted on: Posted Todayjob requisition id: JR101516**Senior Site Reliability Engineer (SRE) - GCP / Kubernetes****About the Role**We are seeking an experienced and highly motivated Senior Site Reliability Engineer (SRE) to join our small, agile engineering team. … Deep expertise in Terraform for managing cloud and Kubernetes resources.* Deployment: Strong experience with Helm for packaging and deploying applications on Kubernetes.* Scripting / Programming: Proficient in at least one major programming language, preferably Python, for automation and tool development.**Tooling & Concepts*** CI / CD: Experience ...

Senior Technical Support Engineer, Focused Services

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
drive transparency, optimize security posture, and enhance cybersecurity resilience. Qualifications Your Experience Minimum of 7 years of network security experience Expertise in TCP / IP and advanced knowledge of LAN / WAN technologies, expertise with general routing / switching, routing … networks with mixed media and protocols with an advanced understanding of packet flow across multiple OSI layers In‐depth knowledge of networking operations - TCP and UDP, SNMP, IPv6, VLSM, CIDR, and NAT - Static, Dynamic, and PAT Proficiency with network troubleshooting tools - Wireshark, GNS3 Strong grasp authentication protocols - LDAP ...

Senior Distribution Engineer

Hiring Organisation
Warner Bros. Discovery
Location
Greater London, United Kingdom
Employment Type
Full Time
recurring service issues and drive long-term corrective actions Support career development and succession planning within the engineering team Evaluate emerging broadcast, IP, cloud, and distribution technologies and provide recommendations to management Provide on call out of hours support as part of a departmental support rota. Other duties … 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 ...

Service Desk Analyst

Hiring Organisation
Armstrong Knight
Location
Shoreditch, London, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
manage incidents and service requests. Troubleshoot hardware, software and networking issues. Build, configure and deploy laptops and desktops. Support Microsoft 365, Windows 10 / 11 and Active Directory. Manage user accounts, permissions and password resets. Support meeting room technology and AV equipment. Escalate complex issues where appropriate whilst … passionate about technology and enjoy solving problems while delivering exceptional customer service. You'll ideally have experience with: Service Desk / IT Support / Helpdesk experience. Windows 10 & Windows 11. Microsoft 365. Active Directory & Azure Active Directory. Intune (desirable). Exchange Online. Networking fundamentals (DNS, DHCP ...

Temporary Field Operations Engineer - 6 Month Duration

Hiring Organisation
Lovesuccess
Location
South Croydon, London, United Kingdom
Employment Type
Temporary
Salary
£161 - £173 per day
implementations, switch deployments, network connectivity and workstation rollouts in collaboration with network engineers and project teams. Monitor, maintain and upgrade infrastructure including LAN / WAN networks, wireless solutions, PDUs, UPS systems, cooling equipment and communications cabinets. Provide hands-on technical support for desktops, laptops, printers, scanners, biometric devices … server and workstation deployments. Proven experience installing, cabling and troubleshooting network infrastructure within enterprise or multi-site environments. Working knowledge of Layer 2 / Layer 3 networking concepts, VLANs, TCP / IP, DHCP, DNS and network security principles. Experience with network switches ...

Senior Security Analyst

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
Salary negotiable
experience in incident response, threat detection, investigation, and remediation. Solid knowledge of network security principles, including firewalls, intrusion detection and prevention systems (IDS / IPS), TCP / IP, routing, switching, and packet analysis. Experience identifying, assessing, and mitigating security risks through vulnerability ...

Akamai Security Engineer - Consultancy

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Support onboarding of new applications and APIs onto Akamai platforms, and maintain technical documentation, runbooks, and process guides in Confluence or equivalent Skills / Must Have Strong hands-on experience with Akamai security solutions – particularly Kona Site Defender, WAS, CDN, and WAF configuration and tuning Solid understanding … application security concepts including bot mitigation, DDoS protection, and rate limiting, with experience analysing HTTP / S traffic and security events Knowledge of TCP / IP, DNS, SSL / TLS, and CDN architectures, with the ability to balance security controls ...

Desktop Support Technician

Hiring Organisation
Apex Systems
Location
London Area, United Kingdom
user permissions, as well as routine hardware maintenance. Detailed knowledge of basic computer concepts, PC hardware and software troubleshooting, and workstation (desktop / laptop) hardware. Experience supporting Windows XP / 7 and Server operating systems in a managed desktop environment. Experience supporting Macintosh OS X (10.4 … upwards) desirable. Basic working knowledge of Linux / UNIX systems (Red Hat preferable) at a user level. Solid knowledge of networks including Ethernet, TCP / IP, and Windows Server networking. Self motivated with the ability to work independently with minimal supervision. Ability ...

Networking & Security Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
penetration testing exercises, prioritising and remediating findings in a timely manner Manage and continuously improve security tooling, including SIEM, EDR, firewalls, IDS / IPS, and endpoint protection platforms Act as the escalation point for security‐related incidents across 2nd and 3rd line, providing expert guidance and driving resolution … VPNs, and wireless systems (primarily Cisco‐based), with a security lens on all configuration and change Operate across Windows and Linux (Red Hat / CentOS) environments, ensuring both are maintained to a consistent security baseline Collaborate with infrastructure and technology teams to embed security into project delivery ...

Audio-Visual & IT Support Specialist

Hiring Organisation
Randstad Technologies Recruitment
Location
West London, London, United Kingdom
Employment Type
Contract
Contract Rate
£188 - £225/day
Audio-Visual & IT Support Specialist Location: West London (On-site, 5 days / week) Contract: 12-Month FTC Day rate: £188 - £225 / day About the Role We are working with one of our clients to look for an AV & IT Support Specialist to manage … controls during live hybrid broadcasts and staff town halls. Desktop & Workplace Support: Act as an escalation point for Windows 11 and macOS hardware / software tickets, peripheral setups, and mobile device configurations. Asset & Vendor Oversight: Maintain precise hardware inventory, manage equipment dispatch / recycling processes ...

CLOUD SECURITY ARCHITECT

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Senior Network Engineer

Hiring Organisation
Defence
Location
Harlow, London, United Kingdom
Employment Type
Contract
mapping, RF optimisation, and seamless roaming Own the design, upgrade, and lifecycle management of Cisco ISE environments, including version upgrades, patching strategies, backup / restore, and HA topology improvements Optimise ISE policy frameworks, including authentication and authorisation policies, profiling, posture, and identity-based access control Design … accurate technical documentation, runbooks, and support artefacts Job Requirements: Security clearance (SC cleared or the ability to become SC cleared) Strong understanding of TCP / IP and OSI model fundamentals Experience with VLANs, trunking, inter-VLAN routing, DHCP, DNS, NTP, BGP, OSPF, EIGRP Solid ...

Technical Service Desk Manager

Hiring Organisation
Veritas Workspace Solutions
Location
London, United Kingdom
Employment Type
Permanent
Salary
£38000/annum
Service Desk environment. Strong Second Line IT Support experience. Excellent knowledge of Microsoft 365, Windows Desktop & Server, Active Directory / Microsoft Entra ID, networking fundamentals (DNS, DHCP, TCP / IP, VPNs) and remote support tools. Experience using professional ticketing systems. Excellent organisational … remain calm under pressure. Desirable ITIL Foundation certification. Experience supporting managed print environments. Knowledge of VoIP and connectivity solutions. Experience with automation / workflow platforms. Microsoft certifications. Experience producing service reports and KPIs. We're Looking For Someone Who Is Customer-focused and technically confident. Highly organised with ...

Junior IT Support Engineer / IT Support Technician

Hiring Organisation
Additional Resources
Location
Westminster, City of Westminster, Greater London, United Kingdom
Employment Type
Permanent
Salary
£25000 - £30000/annum
excellent opportunity has become available for a Junior IT Support Engineer / IT Support Technician to join a global ship owner operating within an international environment. Working as part of the IT team, you will support users across both office and vessel locations, helping to resolve technical issues … similar role. Experience supporting desktop and laptop hardware. Knowledge of Windows 10 and Windows 11. Understanding of Active Directory user administration. Knowledge of TCP / IP, DNS, DHCP, VPN connectivity, and wired / wireless network troubleshooting. Experience supporting printers and peripheral devices. ...

Senior Security Analyst

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
world. Headquartered in Needham, Massachusetts with more than 4,100 associates. Senior Security Analyst - Global Security Operations Location: London (Battersea Power Station) / Hybrid – 3 days per week in the office About the role The Senior Security Analyst will work collaboratively as a key member of the global … Extensive knowledge of SIEM, EDR, Web Gateway, Email Gateway, Cloud Security, operating systems, network protocols and packet analysis tools, firewall and intrusion detection / prevention systems, TCP / IP, computer networking, routing and switching, penetration and vulnerability testing, scripting such as Python ...

1st Line Support

Hiring Organisation
GR Consulting
Location
Croydon, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£26,000 - £30,000 per annum, Inc benefits
engineers where required. Producing and updating IT documentation where appropriate. Technical Experience: The ideal candidate will have hands-on experience with: Microsoft 365 / Office 365 Active Directory Windows Desktop Support Basic Networking (DNS, DHCP, TCP / IP) Hardware & Printer Support Service … Desk / IT Support experience About You: 1-2 years' experience within an IT Support or Service Desk environment (or equivalent). A genuine passion for technology and providing excellent customer service. Strong communication skills and a friendly, professional approach. A proactive attitude with a willingness to learn ...

Senior Lead Platform Engineer - Networking - Accelerator

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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. Required qualifications Applies knowledge of tools within the Software Development Life Cycle toolchain, including approved AI‐assisted development and automation capabilities, to improve the value realised by automation at scale. Detailed understanding of public clouds ...

Infrastructure Engineer (Banking or Fintech Background only)

Hiring Organisation
2mrw Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£70000 - £75000/annum
provide administration and support across the organisation's network and security estate, including: Enterprise switching and routing Firewall administration DNS, DHCP and TCP / IP services Secure remote connectivity Network monitoring and performance optimisation Endpoint protection technologies Vulnerability management Security monitoring platforms Certificate … management Technical Environment You'll have strong experience across most of the following technologies: Infrastructure Windows Server Red Hat Enterprise Linux VMware vSphere / vCenter Microsoft 365 SQL Server Enterprise virtualisation Hybrid infrastructure Backup & Recovery Veeam Backup & Replication Disaster Recovery Infrastructure monitoring Networking Cisco networking Fortinet firewalls ...