1 to 25 of 166 Data Centre Jobs in the City of London

Infrastructure Technical Architect - Data Centre *applicants must hold an active SC clearance* Start: ASAP Location: onsite in central London 2-3 days per week We are seeking an experienced Infrastructure Architect to lead the technical design and delivery of a major on-premise data centre migration for a UK government client. This is a … and strong stakeholder engagement, with a focus on robust, secure, and disruption-free migration. Key Responsibilities Lead the end-to-end infrastructure architecture for the target data centre Conduct assessments of existing environments, dependencies, and workloads Design migration strategies covering tooling, sequencing, rollback, and DR Produce HLDs/LLDs across compute, storage, networking, and security domains Ensure … records Architect solutions for high availability, resilience, and scalability Support engineering teams during implementation and act as a technical escalation point Essential Skills: Proven experience in data centre migrations as an Infrastructure Architect or Senior Engineer Deep understanding of on-premise infrastructure, including: Compute (Windows/Linux, VMware, Hyper-V) Storage (SAN/NAS, backup, replication) Networking More ❯

major domains. Proven track record in designing and delivering enterprise-grade infrastructure architectures at scale. Strong knowledge of ITSM, ITIL, and service management practices. Expertise in both traditional data center and cloud-native infrastructures (AWS, Azure, Hybrid Cloud). Excellent communication, leadership, and stakeholder management skills. Deep understanding of security frameworks, DR/BCP planning, and compliance mandates More ❯

step up from a BAU role, with the ambition to widen their remit in projects and delivery. Key Responsibilities Assisting with delivery and migration of network, data centre and security solutions. Provide exceptional customer services. Contribute to knowledge centre and keep documentation up to date. Be willing to work in a vendor agnostic … environment and stay up to date with the latest technologies. Essential Skills and Experience NSX-T - Experience managing the platform on a daily basis, configuring & monitoring. SDDC (Software Defined Datacentre) - Virtualised datacentre functions such as Cisco ACI, VMware NSX and Virtualised firewalling. Cisco Technologies, in particular Cisco firewalling (ASA/FTD), Cisco ISE and any experience with other emerging Cisco … Employment Business Regulations 2003. We are committed to providing a professional and transparent service to all job seekers and employers. For further information about how we process your data and handle your application, please refer to our Privacy Policy available on our website. More ❯

and change management systems. Technical Requirements: Experienced engineer with at least CCNP level certification or above Design and architect enterprise-level network solutions including LAN, WAN, WLAN, and data center networks 5 years minimum experience as Level 3 Network Engineer Vendor Experience: Cisco, Meraki & Azure Experience in configuration and troubleshooting of Cisco FTD, Cisco FMC, Cisco Switches & Nexus More ❯

environments and will be a critical hands-on engineering role within a fast-moving digital asset business. The ideal candidate will bring deep expertise in AWS cloud networking, traditional datacentre networking, and modern network security practices. They will collaborate across infrastructure, security, and DevOps teams to ensure reliability, automation, and performance —spanning trading platforms, asset management systems, and internal services. More ❯

depth knowledge of design, implementation, configuration and testing of the following: Routing – OSPF, BGP, knowledge of route redistribution and manipulation. WAN - MPLS, Internet, VPN, SDWAN, understanding of circuit commissioning. Datacenter – ACI spine and leaf, APIC, VxLAN and distribution switching. Encryption - IPsec VPN, MACSec, configuring site-to-site VPN on routers and firewalls. Switching and L3 - HSRP, VRRP, GBLP, NTP, STP …/FirePOWER, CheckPoint, multiple context firewalls from Cisco and CheckPoint and the tools used to deploy the rules such as Cisco CSM (Cisco Security Manager), Cisco FMC (FirePOWER Management Centre), Fortigate/Fortinet etc. Strong debugging skills are required with the ability to run packet captures and wireshark traces. Good working knowledge of ACL’s. Good understanding of BGP … be across ASR/ISR and IOS-XE. A good understanding of NX-OS is required and any knowledge of ACI is preferred. Python and Postman is a bonus. Datacenter switching and routing comprises Cisco ACI Fabric with a spine and leaf topology. The engineer should be familiar with operation of ACI deployed within the core infrastructure. The datacenter also More ❯

Cisco ASA/FTD) and Cisco wireless technologies (WLC, LWAP) Participate in infrastructure projects and disaster recovery testing Monitor, maintain and upgrade hardware/software, including data centre and hybrid cloud networks Collaborate with internal teams and vendors and produce high quality technical documentation Be part of an on-call rota (1 in 4) Key skills: Valid More ❯

environment supporting a wide range of infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness initiatives Essential Experience: Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with More ❯

infrastructure and network technologies. Key Responsibilities: Manage and maintain Checkpoint firewalls and Cisco network infrastructure Support Cisco ISE and Zscaler Internet/Private Access solutions Manage Data Centre colocation and vendor relationships Contribute to IT security prevention and awareness initiatives Essential Experience: Deep technical knowledge of Checkpoint firewalls, Cisco routers/switches, and Cisco ISE Experience with More ❯

strong firewalling skills with ASA, Firepower, ISE, and other vendors. Knowledge of NSX-T is desirable but not essential, as training is provided. Additional skills in routing, switching, data centers, or Azure Networking are advantageous. Key Skills: Must be SC Cleared or capable of obtaining SC Clearance CCNP certification LAN Enterprise experience Firewall expertise: ASA, Firepower, ISE, and More ❯

a critical role in global markets, offering integrated investment services to institutional clients and managing trillions in assets. Known for its pioneering work in ETFs and commitment to data-driven innovation, it operates across 28+ countries and places strong emphasis on operational excellence and collaboration. You’ll design and optimise network infrastructure supporting real-time trading, analytics, and … global operations. This role covers enterprise networking across data centres, campuses, and cloud environments - balancing performance, scale, and resilience in demanding financial settings. Key Responsibilities Design and implement scalable, high-availability network solutions (LAN, WAN, Campus, Cloud). Translate requirements into robust, well-documented architectures. Lead network delivery projects; coordinate with vendors and internal teams. Provide L3 escalation More ❯

capacity planning and connectivity advancement Manage network expansion, upgrades and support Provide expert support to high frequency trading teams What exposure you'll ideally have: LAN/WAN, Data Centres Cisco, Juniper, Arista BGP, OSPF, multicast, TCP/UDP Automation and Python scripting, Ansible Linux operating systems Financial/Trading environment Cisco CCNP level equivalent experience in a More ❯

Position Summary The Data Centre team is responsible for operational excellence across all Claranet UK Data Centres, including installation and support of Claranet and customer equipment, mechanical and electrical facilities management and security. This extremely customer focussed team is split between London and Bristol, providing critical on-site support to customers and the business around … portfolio platforms, infrastructure and data centres are critical to our strategy and ensuring our customers have access 24*7*365. We are seeking a Data Centre Engineer who will be a key contributor to create stable and reliable platforms and ensure that technologies and services are running optimally and maximising synergy and efficiency across the … technology landscape. Objectives and Key Results The Data Centre Engineer is part of the Data Centre Practice department within the Customer Experience and Managed Service. The key objectives will be to: • Commit to several dayshifts operating between the hours of 8:00am to 8:00pm Monday to Friday. The dayshifts are rostered on a More ❯

networking devices -Remediate Penetration Test results -Ensure seamless migration of network estate to newly adopted security framework General Skills -Experience working within mission-critical environments -Experience in operational deployments -Datacentre cabling and racking of equipment Technical Skills you need to bring to the table: -In-depth knowledge of CISCO including firewalls, switches and routing protocols -In-depth knowledge of supporting … a data-centre and branch inter-connectivity -Strong technical skills are essential -Experience of CISCO multi-layer switches and routers, including 6500s -CISCO certification, ideally CCNP -CISCO CSM -VLAN segregation -McAfee HIPS, Trend Micro -Centralised authentication service (AAA) -SafeNet Ethernet Encryptor -RADIUS/RSA -Security certification (advantageous) You will also need to an understanding of the following More ❯

such as: Palo Alto firewalls CASB solutions Secure Web Gateway technologies Align security operations with frameworks such as ISO 27001 and NIST Cybersecurity Framework Provide security support during data center migrations and other infrastructure changes, including: SD-WAN implementations Windows 11 hardening Cloud iManage environments Deliver advisory input across IT projects, contributing to broader IT simplification initiatives Support More ❯

Build and mentor ahigh-performing network engineering team, fostering a culture ofautomation and continuous learning. Lead a team ofnetwork architects, cloud networking specialists, and operations engineers. Promote acollaborative, data-driven, and proactive culture, ensuring agility and innovation. Establish workforce development programs forcloud networking, automation, and AI-driven operations. What You'll Bring Required Qualifications: 15+ years of experienceinnetwork … management skills. Preferred Qualifications: Certifications:CCIE, AWS/Azure/GCP Networking, CISSP, or equivalent. Experience withKubernetes networking, Terraform, Ansible, and SDN. Strong problem-solving abilities, with a data-driven approach to network optimization. Who You'll Work With Work Environment & Additional Information: Hybrid or on-site work model. May require occasional travel forbusiness meetings, data More ❯

networks. Experience managing large-scale networks, infrastructure, or software projects. Expertise in producing network design and architecture documents. In-depth knowledge of Internet, WAN, LAN, and data centre network architectures. Strong fundamentals in Routing & Switching, including experience configuring routing for BGP, OSPF, or EIGRP and familiarity with multicast protocols (IGMP, PIM). CCIE Proficiency in Linux, covering More ❯

ServiceNow platform, GenAI capabilities and integration with third-party technologies & monitoring tools. Advise and ensure customers use leading ServiceNow practices & capabilities related to instance strategy, architecture, technical governance, data and integrations. Work with diverse teams and customers to improve product adoption, increase footprint & provide guidance to project teams at onsite/offshore on solution implementation. Develop strategies and … management, Discovery, Service Mapping, ATF. Experience in Glidescripting, Python, JavaScript, REST/SOAP APIs, HTML, CSS, Workflow and UI development and Service Portal Concepts, business rules, client scripts, data imports, custom apps, and development methods. Relevant ServiceNow certification eg. ServiceNow Certified System Administrator, ServiceNow Certified Master Architect (CMA) or Technical Architect (CTA) certification. Demonstrable experience of collaborating with … creative thinking, problem-solving, planning, time-management, and organizational skills. Desirable skills/knowledge/experience: Experience in Banking, Financial Services and Insurance is an advantage. Expertise in data centers, storage, hosting, tool technologies & technical architecture. Deep understanding of industry trends, concepts, opportunities, threats & constraints. Experience & knowledge of GenAI, predictive analytics, or automation workflows in enterprise environments. Familiarity More ❯

required to support high-performance network initiatives within a fast-paced financial services environment. This urgent contract opportunity focuses on automation-first network infrastructure design across hybrid cloud, data centres, and low-latency environments. You’ll join a highly capable team delivering strategic upgrades to core network services—leveraging automation, SDLC best practices, and infrastructure-as-code to More ❯

other specialists. Share knowledge with others through solution documents, engage technical communities, build automated self-help solutions, and create training. Successful Candidate Competencies: Relevant experience in architecting and designing datacentre and cloud infrastructures using VMware and Microsoft technologies. Knowledge and implementation experience designing and developing solutions using VMware's Core Cloud Infrastructure Technical Skills Azure VMware Solution VMware vSphere 6.0 More ❯

Do you want to work with and learn from some of the most talented individuals in their space? Join and exciting start-up and go on an amazing journey of growth with learning and development? Have or be capable of More ❯

Job Summary: We are seeking two highly skilled and experienced Data Centre Provisioning Engineers to join our team in London/Dublin. The successful candidates will be responsible for supporting the Edge Deployment team with provisioning and auditing activities, ensuring seamless deployment of services in our data centers. If you have a strong background in … tooling or process failures Initiate and track the circuit audit process Collaborate with field teams to resolve all audit fallout required to move to activation Maintain fidelity of data in all systems of record within required time frames Troubleshoot complex network issues using various tools and techniques Develop and maintain technical documentation for network infrastructure Participate in on … call rotation for critical issue resolution Requirements: Must-haves: 3+ years of experience in data center deployments and building large-scale infrastructure Strong knowledge of network routing and switching concepts and protocols (BGP, TCP/IP, VLAN, ISIS, OSPF, MPLS) Proficiency in Linux/Unix command line interface Proven ability to analyze complex situations and utilize troubleshooting skills More ❯

VMware environments and performing routine maintenance. Writing PowerShell scripts to automate tasks and improve efficiency. Handling light network support, escalating where needed. Travelling occasionally to the data centre outside trading hours. What they’re looking for: 5-10 years of experience in systems administration and end-user support within a financial environment. Strong experience with Windows systems … 365. Experience with hybrid cloud environments and MDM tools (JamF preferred). Familiarity with VMware administration. PowerShell scripting skills to automate tasks. Willingness to handle occasional data centre visits outside trading hours. Excellent communication and problem-solving skills, with a proactive mindset in a high-pressure environment. Salary: £75,000 – £100,000 base + bonus and benefits More ❯

enhancing existing network infrastructure Developing observability tools and self-healing/event-driven automation Performing advanced troubleshooting and incident resolution Contributing to the evolution of a high-performance compute datacentre Skills Required: Proficient in monitoring and resolving incidents across diverse environments Strong diagnostic skills in network infrastructure, collaborating closely with vendor support teams for in-depth investigations when needed Lead … that enhance infrastructure reliability and availability Implement BAU changes with a focus on automation, fostering close collaboration with research and infrastructure engineering teams Conduct trend analysis using multiple data sources to identify potential issues, enhance data correlation, and address capacity challenges Provide robust support for network automation, utilizing tools such as CI/CD pipelines, orchestration More ❯

to ensure that the signal fully covers all office areas,with IT infrastructure construction of computer room, cabinet and integrated cabling standards. - Network security system construction, firewall and data center security tunnel construction, optimization for WAN accessing architecture. - Build and maintain conference room facilities in accordance with group standards to ensure the high quality and stability of the More ❯