1 to 25 of 26 TCP/IP Jobs in the City of London

2nd Line IT Support Engineer London Bridge, SE1 – Hybrid (1 week office / 1-week WFH) £38,000 – £42,000 + training + bonus + perks Our client is a growing London-based MSP with a loyal client base and a reputation for going the extra mile. They’re all about great service, teamwork and continuous improvement — and … Recommending improvements and contributing to IT projects and rollouts What You’ll Bring You’re confident, curious and customer-focused, with: Strong hands-on experience with Windows 10 / 11 and macOS Solid understanding of LAN / WAN / Wi-Fi networking Proficiency in Windows Server 2012 / 2016 / 2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP, DFS, ADFS, FAP Knowledge of PC setup , TCP / IP networking and system configuration Experience with cloud platforms such as Office 365, Google Workspace, AWS or Azure Why Join? Hybrid flexibility – split your time between home and their London Bridge office Supportive More ❯

from Help Desk and provide technical assistance to end users Assist in telecom phone setup using Cisco Unified Communications Manager and Cisco Unity Connection Administration to create extensions / voice mail and modify users’ phones when requested Setup, dismantling and relocating users’ desks Manage and maintain technology equipment inventory in asset management system Ensuring all Video Conference requests … in accordance with the requestor’s wishes Maintain strong knowledge of third-party video conference systems. Including but not limited to: WebEx, Zoom, MS Teams Travel to Europe / Paris office to provide on-site support to firm’s Paris-based community Technology Support Specialist Skills & Requirements: Bachelor’s degree or Professional certification preferred; similar to A+, N+ … with current Windows Operating Systems, Microsoft Office, Citrix, VPN, Interwoven FileSite, Innova template and other legal industry application Strong knowledge of desktop hardware and peripherals, phones, and A / V equipment (PCs, notebooks, printers, scanners, mobile phones (iOS and Android) Knowledge of network and Internet technologies, protocols and concepts (TCP / IP More ❯

from Help Desk and provide technical assistance to end users Assist in telecom phone setup using Cisco Unified Communications Manager and Cisco Unity Connection Administration to create extensions / voice mail and modify users’ phones when requested Setup, dismantling and relocating users’ desks Manage and maintain technology equipment inventory in asset management system Ensuring all Video Conference requests … in accordance with the requestor’s wishes Maintain strong knowledge of third-party video conference systems. Including but not limited to: WebEx, Zoom, MS Teams Travel to Europe / Paris office to provide on-site support to firm’s Paris-based community Technology Support Specialist Skills & Requirements: Bachelor’s degree or Professional certification preferred; similar to A+, N+ … with current Windows Operating Systems, Microsoft Office, Citrix, VPN, Interwoven FileSite, Innova template and other legal industry application Strong knowledge of desktop hardware and peripherals, phones, and A / V equipment (PCs, notebooks, printers, scanners, mobile phones (iOS and Android) Knowledge of network and Internet technologies, protocols and concepts (TCP / IP More ❯

more secure. Take a look at our website here to learn more about why we’re one of the leading global Cyber Security and Risk Mitigation business... https: / / www.nccgroup.com / uk / The Opportunity: As a Malware Analyst you will lead efforts in detecting, analyzing, and mitigating malware threats to … with programming languages such as Python, C++, or assembly for developing analysis tools and scripts. Expertise in creating and maintaining YARA rules. Strong understanding of networking protocols, including TCP / IP, DNS, and how malware utilises these protocols. Ways of working Focusing on Clients and Customers. Working as One NCC. Always Learning. Being Inclusive More ❯

more secure. Take a look at our website here to learn more about why we’re one of the leading global Cyber Security and Risk Mitigation business... https: / / www.nccgroup.com / uk / The Opportunity: As a Malware Analyst you will lead efforts in detecting, analyzing, and mitigating malware threats to … with programming languages such as Python, C++, or assembly for developing analysis tools and scripts. Expertise in creating and maintaining YARA rules. Strong understanding of networking protocols, including TCP / IP, DNS, and how malware utilises these protocols. Ways of working Focusing on Clients and Customers. Working as One NCC. Always Learning. Being Inclusive More ❯

2nd Line IT Support Engineer London Bridge, SE1 Hybrid (1 week office / 1-week WFH) £38,000 £42,000 + training + bonus + perks Our client is a growing London-based MSP with a loyal client base and a reputation for going the extra mile. They re all about great service, teamwork and continuous improvement and … Recommending improvements and contributing to IT projects and rollouts What You ll Bring You re confident, curious and customer-focused, with: Strong hands-on experience with Windows 10 / 11 and macOS Solid understanding of LAN / WAN / Wi-Fi networking Proficiency in Windows Server 2012 / 2016 / 2019 and technologies like: Active Directory, Hyper-V, DNS, DHCP, DFS, ADFS, FAP Knowledge of PC setup , TCP / IP networking and system configuration Experience with cloud platforms such as Office 365, Google Workspace, AWS or Azure Why Join? Hybrid flexibility split your time between home and their London Bridge office Supportive More ❯

Cyber Security SOC Analyst – London / Remote Atrium EMEA is looking for an accomplished Cyber Security SOC Analyst to support the Security Incident Response Team. The team is growing, we require a strong individual contributor that will investigate, analyse, and contain security incidents. This is a fully remote role, with the occasional London office visit. You can be … malicious artifacts) in both structured and unstructured methods. • Preserve evidence (both network and host) using forensically sound methods • Identify deficiencies in processes and tools, recommend security controls and / or corrective actions for mitigating technical and business risk. • Integrate and collaborate with other subject matter experts throughout the organization. Essential: • Solid experience of Google Secops / Googlesecops • BS / BA in Computer Science, Computer Engineering, Cyber Security, Forensics and / or equivalent work experience. • Certification in cybersecurity (e.g. Security+, CCNA Cyber Ops, BTL1 and / or BTL2, GCIH, CEH, CySA+, OSCP, CISSP, CCSP etc.) • IT Security or Cyber Security experience in any of the following areas: Incident Response More ❯

Sales Engineer – Networks, SD-WAN & Cyber Security 📍 London | Hybrid 2-3 days / week | Competitive + Benefits £40 / 55k + £5k bonus We’re partnering with a rapidly growing, award-winning UK MSP to hire a Sales Engineer to support presales and solution consulting across Networks, SD-WAN, SASE, and Cyber Security. This is a … What We’re Looking For: Experience in Managed IT, networking, or telecoms. Solid technical knowledge across at least two areas: Networking, SD-WAN, SASE, Cyber Security. Understanding of TCP / IP, L2 / L3 switching, OSPF / BGP, firewalls, VPNs, and wireless networking principles. Excellent communication and problem-solving skills. … Agile, organised, and capable of managing multiple projects simultaneously. Nice-to-Haves: Presentation skills and commercial awareness. Technical certifications relevant to networking or security. Familiarity with Private / Public Cloud environments. This is an exciting opportunity to grow your technical and presales expertise in a high-performing, client-focused environment. 📩 Interested? Reach out to Miles Davey at IP More ❯

Sales Engineer – Networks, SD-WAN & Cyber Security 📍 London | Hybrid 2-3 days / week | Competitive + Benefits £40 / 55k + £5k bonus We’re partnering with a rapidly growing, award-winning UK MSP to hire a Sales Engineer to support presales and solution consulting across Networks, SD-WAN, SASE, and Cyber Security. This is a … What We’re Looking For: Experience in Managed IT, networking, or telecoms. Solid technical knowledge across at least two areas: Networking, SD-WAN, SASE, Cyber Security. Understanding of TCP / IP, L2 / L3 switching, OSPF / BGP, firewalls, VPNs, and wireless networking principles. Excellent communication and problem-solving skills. … Agile, organised, and capable of managing multiple projects simultaneously. Nice-to-Haves: Presentation skills and commercial awareness. Technical certifications relevant to networking or security. Familiarity with Private / Public Cloud environments. This is an exciting opportunity to grow your technical and presales expertise in a high-performing, client-focused environment. 📩 Interested? Reach out to Miles Davey at IP More ❯

to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a strong Government / Public Sector background. As Principal Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions. … support Demonstrable success supporting UK Government or public sector clients Ability to translate technical challenges into clear commercial value Strong expertise in: Cisco routing, switching, gateways, and applications TCP / IP, SNMP, Netflow, VoIP LAN / WAN topologies (MPLS, Frame Relay, ATM) Security concepts and network infrastructure design Network performance and fault … / alert management Solid understanding of: Operating systems – Linux, Windows Cloud and virtualisation technologies – SDN / NFV, Public / Private Cloud Performance tools – HP / OV, Tivoli, EMC SMARTS, ArcSight Relevant certifications – CCNA, CCNP, CCIE Formal presales training (e.g. Sandler, Siebel, Afterburner) Excellent communication and presentation skills – verbal, written, and visual Comfortable More ❯

A+, Server), Microsoft Certifications (e.g. Azure Administrator, Security, Server Hybrid Admin, Power Platform Fundamentals). Membership in relevant bodies such as BCS, IEEE, ISACA, (ISC) , CompTIA, or ITIL / AXELOS. Skilled in LAN / WAN management, VLANs, routers / switches, VPNs (Azure or Always On), firewall configuration, and protocols (DNS, DHCP, TCP / IP). Proficient in PowerShell for automation and reporting. Knowledge of Power Automate and CI / CD pipelines. Knowledge of disaster recovery and business continuity planning. Experience with storage solutions and playbook maintenance. Experience with Microsoft Defender, Sentinel or equivalent SIEM tools, RBAC, PIM, and awareness of ISO 27001 / … Purview, Intune, Teams, Power Platform, and other Microsoft services. Experience in Windows Server admin, OS hardening, patching, Hyper-V, VM provisioning, backup, HA, and clustering. Knowledge of AD / AAD, GPOs, Entra ID, SSO, MFA, and Conditional Access. Open to adopting new tools, technologies, and methodologies. Clear in both verbal and written communication; confirms understanding when conveying information. More ❯

with technical matters and system troubleshooting relating to infrastructure, applications and environments. Be part of an on call weekly rotation shared across the Support and Operations teams. Experience / Qualifications Essential requirements Demonstrable knowledge and experience in 3 or more of the following: Microsoft Windows Server Microsoft SQL Server Networking (Load balancing, Firewalls, TCP / IP) Linux (Debian or RHEL) Telephony / UC (SIP, ACD, VOIP) Active Directory (ADFS, domain management, users / groups, policies, certificates etc.) Infrastructure management and maintenance (COTS hardware & Virtualisation - VMware, Hyper-V) Good knowledge and experience of ITIL Experience of managing high availability environments and systems or with similar critical infrastructure delivery … successful in this role. Excellent communication skills - written and verbal. Desirable, but not essential Familiarity with Agile methodologies, tools and ways of working. Experience and knowledge of CI / CD tools. Experience in scripting / coding (Python, C#, PowerShell). Experience of common automation tools (Terraform, Ansible). Experience with monitoring solutions (Nagios, Zabbix, NetCool, Icinga More ❯

Contract Via Umbrella Our UK leading banking client are looking for a Senior FX API Integration Analyst to join their team on an initial 6-month contract. Skills / Qualifications The candidate must have the following skills and qualities: FX business knowledge (products, business models, electronic trading) IT skills: FIX protocol (v4.4) SQL (Oracle / SQL server) Windows / Linux environments Common IT platform management tools (Bladelogic, SVN, Splunk, etc) Infrastructure basic knowledge (SSL, VPN, UDP, TCP / IP, RV, UM, Radianz, Colo) Market data / Trade affirmation mechanism : STP, RMDS, TOF) Scripting / Dev knowledge is a plus (python, java … C#) Strong analytical skills Strong communication skills Proactive and flexible approach Highly motivated Well organized Excellent presentation skills (communication with clients / clients IT departments) The following experience would be desirable: Experience of FX eTrading Experience of FIX client integration If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your More ❯

Contract Via Umbrella Our UK leading banking client are looking for a Senior FX API Integration Analyst to join their team on an initial 6-month contract. Skills / Qualifications The candidate must have the following skills and qualities: FX business knowledge (products, business models, electronic trading) IT skills: FIX protocol (v4.4) SQL (Oracle / SQL server) Windows / Linux environments Common IT platform management tools (Bladelogic, SVN, Splunk, etc) Infrastructure basic knowledge (SSL, VPN, UDP, TCP / IP, RV, UM, Radianz, Colo) Market data / Trade affirmation mechanism : STP, RMDS, TOF) Scripting / Dev knowledge is a plus (python, java … C#) Strong analytical skills Strong communication skills Proactive and flexible approach Highly motivated Well organized Excellent presentation skills (communication with clients / clients IT departments) The following experience would be desirable: Experience of FX eTrading Experience of FIX client integration If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your More ❯

internal architects, hardware teams, and the Head of Department to drive innovation and transformation of the router stack. What you'll bring Strong software development experience in C / C++ on Linux, with a solid understanding of the software development lifecycle. Expertise in software architecture for IP routers and network devices (VoIP, DSL, GPON, DOCSIS, Wi … Fi), and familiarity with protocols like TCP / IP, SIP, RTP, PPP, DHCP, IPv4 / IPv6, OpenSync, OVS, TR-069, and WebPA. Excellent communication skills, able to adapt technical detail to suit different audiences, and a collaborative mindset that supports team success. Highly organised and self-motivated, thriving in fast-paced environments More ❯

internal architects, hardware teams, and the Head of Department to drive innovation and transformation of the router stack. What you'll bring Strong software development experience in C / C++ on Linux, with a solid understanding of the software development lifecycle. Expertise in software architecture for IP routers and network devices (VoIP, DSL, GPON, DOCSIS, Wi … Fi), and familiarity with protocols like TCP / IP, SIP, RTP, PPP, DHCP, IPv4 / IPv6, OpenSync, OVS, TR-069, and WebPA. Excellent communication skills, able to adapt technical detail to suit different audiences, and a collaborative mindset that supports team success. Highly organised and self-motivated, thriving in fast-paced environments More ❯

internal architects, hardware teams, and the Head of Department to drive innovation and transformation of the router stack. What you'll bring Strong software development experience in C / C++ on Linux, with a solid understanding of the software development lifecycle. Expertise in software architecture for IP routers and network devices (VoIP, DSL, GPON, DOCSIS, Wi … Fi), and familiarity with protocols like TCP / IP, SIP, RTP, PPP, DHCP, IPv4 / IPv6, OpenSync, OVS, TR-069, and WebPA. Excellent communication skills, able to adapt technical detail to suit different audiences, and a collaborative mindset that supports team success. Highly organised and self-motivated, thriving in fast-paced environments More ❯

internal architects, hardware teams, and the Head of Department to drive innovation and transformation of the router stack. What you'll bring Strong software development experience in C / C++ on Linux, with a solid understanding of the software development lifecycle. Expertise in software architecture for IP routers and network devices (VoIP, DSL, GPON, DOCSIS, Wi … Fi), and familiarity with protocols like TCP / IP, SIP, RTP, PPP, DHCP, IPv4 / IPv6, OpenSync, OVS, TR-069, and WebPA. Excellent communication skills, able to adapt technical detail to suit different audiences, and a collaborative mindset that supports team success. Highly organised and self-motivated, thriving in fast-paced environments More ❯

optimise network performance, troubleshoot incidents, and ensure stability across environments. Automate provisioning and configuration using Terraform, PowerShell, and Azure CLI . Contribute to infrastructure-as-code and CI / CD practices. Align all network deployments with security standards and Zero Trust principles. Collaborate closely with architecture, development, and security teams. Maintain thorough documentation and support knowledge sharing across … teams. Skills & Experience Required Strong track record in Azure networking and cloud infrastructure. Excellent knowledge of TCP / IP, DNS, DHCP, routing, firewalls, and related concepts. Experience with Azure services: VNet, App Gateway, Firewall & WAF, Network Watcher, Load Balancer. Hands-on scripting / automation skills with PowerShell, Azure CLI, and Terraform. Familiarity … Current SC Clearance (or eligibility to obtain). Desirable Microsoft Certified: Azure Network Engineer Associate (or similar). Exposure to Zscaler and Okta. Knowledge of DevOps practices, CI / CD pipelines, and monitoring tools such as Azure Monitor or Log Analytics. Whats on offer Hybrid working in central London. Exposure to enterprise-scale cloud and networking projects. Career More ❯

At least 3 years of relevant experience in a professional environment; Solid management experience of Windows Server, Active Directory, Exchange Server, VMware software, File Server; Good knowledge on TCP / IP and networking management, and the ability to configure Cisco Switch, Router, Firewall, wireless device; Excellent verbal and written communication skills in Mandarin and … attitude; Ability to work both independently with minimal supervision and collaboratively as part of a team. QUALIFICATIONS Bachelors Degree in Computer Science, Information Science, or related field and / or equivalent technical degree required. Certifications of Microsoft and Cisco are preferable. More ❯

Local Area Networks (LANs), including hardware deployment and support * Coordinate with third-party MSPs for network and infrastructure management * Manage firewall operations and connectivity with ISPs * Oversee network IP addressing and VPN setups * Support business continuity through proactive incident management * Rapid deployment of site connectivity solutions, including 4G routers * Monitor network health and performance, ensuring high availability and … support and mentoring * Maintain server rooms and ensure operational efficiency * Develop and implement business processes and documentation Requirements: * Strong knowledge of Azure infrastructure management * Strong in network protocols (TCP / IP, DHCP, DNS, etc.), ideally candidates must hold a CCNA / CCNP etc. * Experience with FortiGate Firewalls and Windows Operating Systems * Familiarity More ❯

We're looking for an experienced IT / Network Sales Engineer to join a forward-thinking tech company supporting the growth of cutting-edge services in Networks, SD-WAN, SASE, andCyber Security. Interested in using your technical expertise to influence meaningful sales outcomes? Sales Engineer - IT Network Infrastructure Salary: £50,000 - £60,000 plus £5,000 bonus, benefits … perks, and healthcare options Location: London (Hybrid - 2 / 3 days in the office) Organisation: MSP Consulting Business Full-time: Permanent We're looking for an experienced Sales Engineer to join a forward-thinking tech company supporting the growth of cutting-edge services in Networks, SD-WAN, SASE, and Cyber Security . What You'll Be Doing As … Responsibilities: Act as a trusted technical advisor to sales and solution teams from early-stage engagement. Qualify opportunities from both a technical and commercial perspective. Respond to RFPs / tenders with technical and commercial insight. Architect and propose validated designs that align with customer needs. Deliver compelling presentations and product demonstrations (both in-person and remote). Maintain More ❯

technical design with client interaction, ideal for someone confident in switching, routing, and security protocols who can also present to non-technical audiences. Essential experience: L2–L4 networking: TCP / IP, switching, OSPF, BGP, VRRP Security: stateful firewalls, UTM, IPSec, SIEM, SOC Strong communication, presentation, and technical documentation skills Experience in customer-facing solution More ❯

technical design with client interaction, ideal for someone confident in switching, routing, and security protocols who can also present to non-technical audiences. Essential experience: L2–L4 networking: TCP / IP, switching, OSPF, BGP, VRRP Security: stateful firewalls, UTM, IPSec, SIEM, SOC Strong communication, presentation, and technical documentation skills Experience in customer-facing solution More ❯

to £60,000 plus £5,000 bonus, benefits, perks, and healthcare options Location: London (Hybrid – 2 to 3 days in office) Type: Full-time | Permanent Client: MSP / Tech Consulting Business Are you a technically-minded professional with a passion for networks, cybersecurity, and innovative IT solutions? We’re looking for an experienced Sales Engineer to join a … Responsibilities: Act as a trusted technical advisor to sales and solution teams from early-stage engagement. Qualify opportunities from both a technical and commercial perspective. Respond to RFPs / tenders with technical and commercial insight. Architect and propose validated designs that align with customer needs. Deliver compelling presentations and product demonstrations (both in-person and remote). Maintain … for ways to improve how we work and deliver value. What We’re Looking For Experience in the managed IT or telecoms sector. Solid knowledge of network principles (TCP / IP, routing protocols like OSPF & BGP, VRRP). Understanding of security concepts: firewalls, UTM, IPSec, SIEM, etc. Hands-on experience with at least two More ❯