15 of 15 TCP/IP Jobs in the City of London

Endpoints, Threat Detection, Secure Remote Access, and Adaptive Security Policies—balancing exceptional user experience with enterprise-grade security. We operate under an ISO / IEC 27001-certified ISMS and an ITIL-aligned service management framework, ensuring integrity, resilience, and operational excellence. Joining Zero Plus means being part … Responsibilities Design, deploy (IaC), and manage cloud networking solutions across Azure and AWS including, but not limited to, private hosted environment (VPC / Vnet), private connectivity (endpoint, VPN services, etc.) Physical / Virtual / WebApp Firewalls for access controls, and threat detection. Automate provisioning ...

/ 3rd Line Support Analyst, Windows, Linux, Networking This is a broad and varied role so ideal candidates have 1st to 3rd Line experience with some Network Engineering and whilst not essential previous Application Support and Financial / Banking would be beneficial. A superb opportunity, working … dynamic Financial environment and will best suit a motivated individual with the right attitude / aptitude and excellent communication skills, able to deal with users at all levels on the phone, via e-mail and face to face. You will work alongside a range of end users’ acting ...

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 … 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 ...

enterprise. This is an opportunity to work hands-on with the latest Microsoft technologies - as well as core network infrastructure spanning LAN / WAN, Wi-Fi, firewalls, and cloud connectivity. You’ll contribute to service design and drive automation. The ideal candidate should bring strong TCP … / IP networking fundamentals, proven scripting / automation skills (PowerShell or Python), and experience delivering cloud infrastructure (IaaS) and M365 deployments / migrations. Proficiency with Conditional Access, CI / CD pipelines, and Infrastructure-as-Code (e.g., Terraform) is essential. Additional ...

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. Responsible to log, categorise, and prioritise ...

C++ Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled C++ Software Engineer looking for a new opportunity? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying … with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please ...

Connectivity Analyst Contract (6 Months) London / Hybrid Financial Services Client IR35: Inside IR35 Overview A leading financial services client is looking for an experienced FIX Connectivity Analyst to support their Global Markets Electronic Trading Infrastructure team. This is a hands-on contract role focused on FIX onboarding … Responsibilities Onboard institutional clients and vendors to FIX trading platforms Configure and certify FIX sessions across UAT and Production Support FIX 4.2 / 4.4 / 5.0 message flows Monitor and troubleshoot live FIX sessions (sequence gaps, rejects, drops) Work with Network and Infrastructure teams on VPNs ...

Deliver white-glove IT support to executive stakeholders, handling sensitive issues with discretion, urgency, and professionalism. Desktop & End-User Expertise: Provide Level 2 / 3 support across Windows 10 / 11, iOS, and enterprise productivity tools. Ensure consistent, high-performance user experiences for laptops, desktops, mobiles … Maintain hybrid environments across Windows Server, VMware, and Azure. Oversee performance monitoring, patching, cost management, backups, and disaster recovery processes. Network & Connectivity: Troubleshoot TCP / IP, DNS, DHCP, VPNs, SD-WAN, and remote access solutions, ensuring maximum uptime for both on-site and remote ...

issues to ensure high availability Configure and manage routers, switches, firewalls, and load balancers Implement and maintain network security measures, including firewalls, IDS / IPS, and access controls Perform network upgrades, patches, and capacity planning Document network configurations, procedures, and diagrams Collaborate with systems, security, and cloud teams … support IT initiatives Provide tier 2 / 3 network support and participate in on-call rotations as required Ensure compliance with company policies and industry best practices Required Qualifications Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience) 5+ years of experience ...

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 … 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 ...

Tech Stack; Java; Web Applications Stack; JavaScript, Python, Perl, Unix Shell, or Windows Shell; Linux / Unix; MySQL, Oracle; Workflow Automation; Splunk or similar; Rest; Soap; JDBC, ODBC; SSH, SNMP, WMI: We seek to join our Dexian embedded team supporting our client, a market leader in the arena … highly prestigious product environment. Our Client’s Global Technical Support team is a diverse, creative, fast-growing team! They provide technical support 24 / 7 through their various Support Centers around the world. We are looking for engineers who have a passion for technology, problem-solving ...

with simple automation tools, such as Ansible • Familiar with Linux system, able to locate hardware faults; Strong analytical and problem solving skills • Basic TCP / IP knowledge concepts – Subnetting, VLANs, DNS, Ipv6; Ability to perform general troubleshooting • Knowledge of out-of-band / … respective markets. Applying to this job implies your agreement with: In compliance with the applicable data protection regulations (General Data Protection Regulation 679 / 2016), we at Centific, as data Controllers, inform you that the data collected will be processed to manage your application in the selection process. ...

frameworks (Ansible, Python) and Infrastructure as Code practices. Deep understanding of virtualization technologies, ideally VMWare Cloud Foundation (VCF) or vSphere. Strong technical fundamentals: TCP / IP, DNS, Linux, distributed systems. Experience integrating APIs and automating workflows across hybrid infrastructure stacks. Familiarity with software version control, CI / CD pipelines, and modern SDLC practices. Desired Skills: Hands-on expertise with VMware’s suite (VCF, vSphere, vSAN) in both greenfield ...

standards Produce technical documentation and support knowledge sharing Required Experience: Strong hands-on experience with Azure networking and cloud infrastructure Good understanding of TCP / IP, DNS, DHCP, routing and firewall principles Experience with Azure networking services such as Load Balancer, Application Gateway, Network … problem-solving and troubleshooting skills Current and valid SC Clearance is essential Preferred: Azure Network Engineer certification Experience with Zscaler, Okta or CI / CD practices Familiarity with cloud monitoring tools If you have solid Azure networking experience and enjoy working across complex, secure cloud environments, we would ...

youll 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 … levels, from application to network to host Experience of systems automation using BASH, Python, Perl, etc Experience of network fundamentals (DNS, DHCP, TCP / IP, routing, switching, HTTP) Preferred Experience Exposure to cloud computing concepts and design considerations Knowledge of configuration management systems, such ...