Latest cloud security engineer Jobs

Principal DevOps Engineer - Decision Management Platform

This role involves designing and managing cloud infrastructure for a high-volume, low-latency decisioning platform used in fraud prevention and identity verification. The engineer will build scalable CI/CD pipelines, lead DevOps initiatives, and ensure system reliability using containerization, infrastructure-as-code, and observability tools. Collaboration with global R&D teams is key to driving innovation and operational excellence in a real-time transaction environment.

Mastercard Lusk, Fingal, Ireland

Hybrid Permanent Clearance Required

Principal DevOps Engineer - Decision Management Platform

This role involves designing and managing cloud infrastructure for Mastercard’s high-volume, low-latency Decision Management Platform, which powers real-time fraud prevention and identity verification across the global payments network. The engineer will lead DevOps initiatives, build scalable CI/CD pipelines, and drive infrastructure-as-code and observability practices in a hybrid cloud environment. It’s a technical leadership position focused on operational excellence, innovation, and supporting mission-critical financial systems at scale.

Mastercard Leixlip, Kildare County, Ireland

Hybrid Permanent Clearance Required

Senior HPC DevOps Engineer

As a Senior HPC DevOps Engineer, you will design, implement, and maintain large-scale HPC and AI clusters, focusing on state-of-the-art monitoring, logging, and alerting systems. You will work closely with HPC, OS, GPU compute, and systems specialists to develop and optimize performance platforms, automate deployment processes, and troubleshoot complex issues from bare metal to application level.

NVIDIA

Remote Permanent

Senior HPC DevOps Engineer

As a Senior HPC DevOps Engineer, you will design, implement, and maintain large-scale HPC and AI clusters, focusing on state-of-the-art monitoring, logging, and alerting systems. You will work closely with HPC, OS, GPU compute, and systems specialists to develop and optimize performance platforms, automate deployment processes, and troubleshoot complex issues from bare metal to application level.

NVIDIA

Remote Permanent

AWS Data Centre Facilities Manager, Data Centre Engineering Operations (DCEO)

The AWS Data Centre Facilities Manager leads critical infrastructure operations at strategic AWS facilities that power cloud computing services worldwide. This role combines operational excellence, technical expertise, and team leadership to ensure continuous facility availability while driving innovation and cost...

Amazon Hemel Hempstead, HP1 1EW, United Kingdom

Permanent

Data Centre Security Specialist, DC Security

The Data Center Security Specialist will oversee contract security staff, collaborate with Data Center Managers on security strategies, and ensure compliance with global security standards. The role involves analyzing data, developing surveillance improvements, and educating stakeholders on security best practices.

Amazon Slough, United Kingdom

On-site Permanent Clearance Required

Sr. Engineer, iAuto

This role involves designing, building, and maintaining scalable multi-cloud infrastructure to support large-scale malware analysis and threat intelligence operations. The engineer will develop infrastructure-as-code, secure AI and traditional workloads, and collaborate with intelligence analysts and development teams. The position emphasizes autonomy, proactive problem-solving, and deep technical ownership in a distributed, fast-paced environment.

CrowdStrike Dunscore, Alba / Scotland, DG2 0SR, United Kingdom

Remote Permanent Clearance Required

Sr. Engineer, iAuto

This role involves designing, building, and maintaining scalable multi-cloud infrastructure to support large-scale malware analysis and threat intelligence operations. The engineer will work across Kubernetes, cloud platforms, and automation tools to ensure high availability and security of systems used by intelligence analysts. Emphasis is placed on infrastructure-as-code, proactive monitoring, and mentoring within a distributed, remote-first team.

CrowdStrike London, E10 6AP, United Kingdom

Remote Permanent Clearance Required

Consulting Engineer

As a Consulting Engineer, you will partner with EMEA sales and channel teams to lead security conversations with Service Providers and enterprises, focusing on mobile core, edge, and critical infrastructure. You will drive PoCs, lab evaluations, and reference architectures, and help shape the next generation of AI security solutions.

Palo Alto Networks Spain

Hybrid Permanent

Principal Engineer - CPTO, BPL

The Principal Engineer role involves leading the design and implementation of robust software solutions, mentoring engineering teams, and contributing to strategic planning. The role also focuses on fostering technical excellence, innovation, and cross-functional collaboration to deliver high-quality solutions aligned with business objectives.

Barclays London, E14 5RB, United Kingdom

On-site Permanent

Lead Site Reliability Engineer

This role involves ensuring the reliability, scalability, and performance of critical applications within Mastercard's global operations. The Lead Site Reliability Engineer will drive automation, lead incident response with blameless post-mortems, and embed operational excellence into the development lifecycle. Key responsibilities include designing resilient systems, establishing SLOs, improving DevOps practices, and reducing operational toil through tooling and proactive monitoring.

Appcast Enterprise Bray, United Kingdom

Hybrid Permanent Clearance Required

Lead Site Reliability Engineer

This role involves ensuring the reliability, scalability, and performance of Mastercard's critical systems by leading SRE practices, designing resilient infrastructure, and driving automation. The engineer will collaborate with development and product teams to embed operational excellence into the development lifecycle, focusing on incident response, root cause analysis, and proactive risk management. Emphasis is placed on sustainable operations, blameless post-mortems, and improving system reliability through SLOs and automated alerting.

Appcast Enterprise Dundrum, United Kingdom

Hybrid Permanent Clearance Required

.Net

Senior .NET Migration Engineer (Cloud Modernization)Permanent |London (Hybrid) |Tech: .NET 10, Kubernetes, AWS, Terraform, AI AgentsThe MissionForget standard "lift-and-shift." We are completely modernizing our backend estate, moving from a legacy London Datacentre straight intoAWS and Kubernetes using.NET 10 as our...

Randstad Technologies London, United Kingdom £55,000 – £60,000 pa

IT Field Technician

This role involves providing hands-on technical support and delivering end-to-end IT projects for clients across the South of England. The engineer will work with infrastructure, networking, cloud technologies, and security systems, including firewall configuration and Windows environments. The position also includes contributing to service desk support and engaging in customer-facing project implementation.

R3vamp Newbury, United Kingdom £28,000 – £35,000 pa

Hybrid Permanent Clearance Required

Director of Technology Service Delivery

This role involves leading the corporate technology stack and vendor ecosystem at Nscale, ensuring seamless technology experiences for all employees. Responsibilities include defining service standards, managing vendor relationships, and setting strategic direction for internal IT services as the company scales.

NScale London, United Kingdom

On-site Permanent