26 to 50 of 61 Data Centre Jobs in the City of London

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Linux systems for maximum performance, including CPU affinity, NUMA optimisation, kernel tuning and kernel bypass. Engineer and maintain high-performance networking across physical data centres, colocation facilities and AWS environments. Optimise connectivity to trading venues and exchanges, working with network providers to improve reliability and execution speeds. Develop … time market data. Experience optimising performance across hybrid cloud and bare-metal infrastructure. Working with specialist low-latency connectivity providers and data centre cross-connects. Exposure to cryptocurrency or digital asset trading infrastructure. ...

Service Operations Specialist - 4113

Location
City Of London, England, United Kingdom
Linux team as required. Maintain and troubleshoot backup systems. Maintain and support the enterprise Production Linux server domain, VMware Virtual Infrastructure environment, datacentre server hardware infrastructure Strategic Ensure CLS internal systems are managed to the highest standard by following industry best practice. Where appropriate, contribute to the development of existing ...

Global Manager, Network Operations & Delivery

Location
City Of London, England, United Kingdom
infrastructure modernization, lifecycle programs, integrations, or large-scale migrations. Strong knowledge of enterprise local area networks, wide area networks, wireless, internet, cloud connectivity, data center networking, and network security services. Clear communication, stakeholder management, negotiation, structured decision-making, financial awareness, and the ability to lead through change ...

Senior Cisco Security Network Engineer (Contract,18 months)

Location
City Of London, England, United Kingdom
environment. The candidate will lead firewall design, IPS deployment, and the migration to a refreshed security framework while maintaining high-availability networking across data centres and branch interconnectivity. #J-18808-Ljbffr ...

Network Support Analyst with Cisco CCNA – City London

Location
City Of London, England, United Kingdom
training and self-study methods Technical Skills In-depth knowledge of CISCO including firewalls, switches and routing protocols In-depth knowledge of supporting a datacentre with branch interconnectivity (LES circuits) CISCO certification, required CCNA VPN technologies (IPSEC) Security certification (advantageous) Technologies Layer 2 Switching, Layer 3 Routing, VPN IPSEC ...

Implementation Manager - Mainframe Product Migration

Location
City Of London, England, United Kingdom
Date: Sep 23, 2026 Location: London, LND, GB Company: NTT DATA Services Competitive salary | UK: hybrid: Sheffield OR London + remote At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees … competition. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here. NTT DATA is currently looking for an Implementation Manager - Mainframe Product Migration on a hybrid work model ...

Senior Cisco Network Security Engineer - High Availability

Location
City Of London, England, United Kingdom
Cisco implementations in the City of London. The role combines BAU support with design of scalable, secure networking solutions across data centre and branch environments. The candidate will diagnose issues, remediate BAU events, and drive secure networking standards while aligning with a banking sector context. City-based ...

Desktop Support Analyst – Bank in the City London

Location
City Of London, England, United Kingdom
have experience of: 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 ...

Domain Consultant - Idira

Location
City Of London, England, United Kingdom
Idira value, improve and develop customer access strategy and concepts and be able to design an optimal solution for complex customer infrastructure and datacenter environments on a global scale. To be successful, you must be comfortable in a dynamic atmosphere of a technical organization with a rapidly expanding customer base ...

Senior Solution Architect (Migration and Design Assurance)

Hiring Organisation
Xcede
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
extension IR35: Inside IR35 Rate: Competitive day rate We are partnering with a specialist technology consultancy supporting a major enterprise data centre transformation programme click apply for full job details ...

IT Infrastructure Architect — Cloud & Networking Security

Location
City Of London, England, United Kingdom
technical direction across delivery and test teams. The role supports enterprise roadmaps for evolving infrastructure, with focus on Microsoft tech, Linux, data centre and cloud, and strong networking/security skills. Collaboration across distributed teams is essential. #J-18808-Ljbffr ...

Senior Network Architect - Secure Multi-Vendor Designs

Location
City Of London, England, United Kingdom
Architect to shape, design, and lead complex network and security solutions aligned to customer outcomes. You will own architecture across campus, data centre, WAN and cloud, collaborating with multi-vendor teams to deliver high-impact designs. You will translate business needs into scalable architectures, drive discovery ...

Network Support Analyst - CCNA, High Availability & Security

Location
City Of London, England, United Kingdom
able to support BAU, participate in design of scalable solutions, and maintain thorough networking diagrams. The role covers firewall design, VPN IPSEC, data center interconnectivity, and support across European sites. Strong diagnostic skills and audit readiness are required; salary £45k–£55k with banking benefits. #J-18808-Ljbffr ...

Data Center 24/7 Engineering Lead

Location
City Of London, England, United Kingdom
VERNE is seeking an Engineering Manager to lead the data centre's critical mechanical and electrical infrastructure, ensuring safety, reliability and resilience. You will manage a four-person M&E shift team, drive engineering excellence and work closely with customers, contractors and internal stakeholders. The role ...

Senior Electrical Engineer, Data Centres - Mission Critical

Location
City Of London, England, United Kingdom
London seeks an experienced Senior Electrical Engineer to lead data centre electrical design within the Mission Critical Facilities team. You’ll develop concept designs for EHV to LV, coordinate with architects and structural engineers, and deliver compliant technical specifications for cutting-edge projects. Ideal candidates are chartered ...

Applied ML Scientist: RL for Data Center Optimization

Location
City Of London, England, United Kingdom
hardware company, is seeking an Applied Scientist, Machine Learning to join the ACE team and work on reinforcement learning for data centre control. You will design, train, and deploy RL agents across live environments, translating telemetry into ML problems and collaborating with software engineers to productionise models ...

Senior Network Engineer – Cloud, DC & Automation

Location
City Of London, England, United Kingdom
Group in London seeks a Senior Network Engineer to strengthen and evolve our enterprise network. You will lead data center enhancements, design and operate containerised and cloud-based platforms, and drive proactive improvements across reliability and performance. You will collaborate with development teams, mentor engineers, and maintain comprehensive ...

Senior Network Engineer: Cloud, Automation & Scale

Location
City Of London, England, United Kingdom
Group in London seeks a Senior Network Engineer to own and evolve the company’s high-speed, highly available network infrastructure across data centers and cloud environments. You will guide design, implementation and operation of core network services, drive automation and collaboration across teams, and mentor engineers ...

Permanent IT Hardware Engineer - London City

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£26,000
standby are paid in line with company policy. Responsibilities/Accountability: To attend all incidents/requests as directed by the Customer Incident Centre in a courteous and customer focused fashion as per your engineering work instruction guidelines Ensure assigned incidents are monitored, updated and progressed in a timely … server certification SAN Server A+ Network+/CCNA Dell/Other vendor Certification to Enterprise level or above Experience in a data centre and in smart space technology is advantageous. We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless ...

Senior Land and Portfolio Manager (English, French)

Hiring Organisation
Hackajob Ltd
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP 999,999 Annual
globe, the Strategic Negotiation team works behind the scenes to secure infrastructure for our client's future everything from underwater cables to physical data center space click apply for full job details ...

Solutions Architect - HPC/GPU

Hiring Organisation
ECS Resource Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £850/day
requirements, technical constraints and objectives Produce detailed solution designs including architecture, networking, storage and GPU resource requirements Work closely with infrastructure, data centre, network and engineering teams to validate solution feasibility Develop technical proposals, RFP responses, statements of work and Bills of Materials Build and maintain reference ...

Senior DevOps/Automation Engineer - IBM Z & hybrid platform

Location
City Of London, England, United Kingdom
Competitive salary | UK: hybrid: London OR Sheffield + remote At NTT DATA, we know that with the right people on board, anything is possible. The quality, integrity, and commitment of our employees are key factors in our company’s growth, market presence and our ability to help … competition. By hiring the best people and helping them grow both professionally and personally, we ensure a bright future for NTT DATA and for the people who work here. NTT DATA is currently looking for a Senior DevOps/Automation Engineer - IBM Z & hybrid platform ...

Data Center Technician

Hiring Organisation
Hackajob Ltd
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Our client is a global technology company. Our client isn't just a software company. The Hardware Operations team is responsible for monitoring the state-of-the-art physical infrastructure behind our client's powerful ...

Infrastructure Project Manager

Hiring Organisation
DGH Recruitment
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 650 - 750 Daily
contract. The Infrastructure Project Manager will be responsible for delivering an upgrade of the F5 infrastructure as well as refreshing other data centre technologies click apply for full job details ...

Senior Network Specialist with Security and Cisco – City London

Location
City Of London, England, United Kingdom
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 … depth knowledge of supporting a datacentre and branch interconnectivity Strong technical skills are essential Experience of CISCO multilayer 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 ...