Jobs in London

Sr. Software Engineer - Data Platform (London

This role involves building and maintaining real-time data streaming infrastructure at petabyte scale, using technologies like Apache Kafka, Flink, and Spark. The engineer will design low-latency, high-throughput data pipelines on Kubernetes, support cross-team integration via APIs and SDKs, and ensure platform reliability through observability and resilient architecture. The position emphasizes ownership of distributed systems from design to operational support across hybrid cloud environments.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Software Engineer, Backend/Cloud , London)

Design and build scalable backend systems for a next-generation AI-native SIEM platform, enabling security teams to detect, investigate, and respond to threats at petabyte scale. Develop intelligent case management and investigation workflows using Go, Kubernetes, and cloud-native technologies. Collaborate across engineering, product, and design to deliver low-latency, high-throughput services that power real-time threat detection and automated response.

CrowdStrike London, United Kingdom

Hybrid Permanent

Service Desk Engineer (Weekend)

This role involves providing weekend IT support across on-premises and Azure environments, serving as a key escalation point for critical incidents. Responsibilities include troubleshooting, leading incident resolution, implementing changes, and maintaining documentation. The role requires strong technical skills, customer focus, and the ability to manage competing priorities in a fast-paced environment.

Nextech London, United Kingdom £40,000 pa

Remote Permanent Shift-work

Senior IT/OT Cyber Engineer

This role involves securing both corporate IT and operational technology environments across a distributed network of stores, distribution centres, and industrial sites. The engineer will design hardened security architectures, implement network segmentation, and strengthen identity and endpoint controls where system availability is critical. They will also act as a technical mentor and escalation point, working closely with infrastructure and operations teams to embed security into engineering practices.

Oscar Technology Coventry, United Kingdom £60,000 – £70,000 pa

Trust IT Manager - Dulwich

This role involves managing and maintaining the ICT network and systems across a group of schools within a Trust in Dulwich. The Trust IT Manager will lead a team of IT technicians, provide technical support and training to staff, and work with school leadership to develop IT strategy and infrastructure. Key responsibilities include network management, system security, server and switch maintenance, and ensuring compliance with school policies.

Planet Recruitment South East London, United Kingdom £37,000 – £420,000 pa

Platform Engineer

This role involves designing and managing AWS cloud architecture, building infrastructure as code with Terraform, and developing CI/CD pipelines. You will work closely with architecture and security teams to ensure secure and scalable cloud infrastructure in a hybrid London setup.

Sanderson London, United Kingdom £80,000 – £100,000 pa

Hybrid Permanent

IT Manager

The IT Manager will oversee the school’s ICT network, ensuring its security, stability, and optimisation for teaching and learning. Responsibilities include managing network infrastructure, providing technical support and training to staff, leading ICT support personnel, and reporting on system performance and SLAs. The role requires hands-on management of servers, Microsoft 365, backups, and network systems within an educational environment.

Planet Recruitment South East London, United Kingdom £33,000 – £41,000 pa

Senior Application Security Consultant (SAST/DAST/OWASP )

This role involves leading application security initiatives across critical systems in a large financial services environment. The consultant will conduct threat modelling, integrate security into CI/CD pipelines, review SAST/DAST/SCA findings, and work closely with engineering teams to remediate vulnerabilities. Focus is on secure SDLC, cloud security, and DevSecOps practices within a highly regulated sector.

Salt London, United Kingdom £500 – £600 pd

Hybrid Contract

Cyber Security Analyst

The Role:Salary: Market Leading Base + Bonus + Excellent BenefitsLocation: London (hybrid working)My client is a rapidly growing international main market listed organisation offering a range of solutions to the global Financial & Professional Services sector. As part of their...

GEM Partnership Lime Street, City And County Of the City Of London, United Kingdom

Platform Security Engineer

This role involves strengthening the security and resilience of a cloud-based platform within a high-profile government AI programme. The engineer will enhance infrastructure configuration, implement secure CI/CD pipelines, and improve operational visibility using Infrastructure as Code. Collaboration with agile delivery teams ensures security is embedded throughout the development lifecycle.

Exceed Cyber limited London, United Kingdom £600 – £650 pd

Hybrid Contract Clearance Required

AWS AI Agent Engineer

AWS AI Agent EngineerDuration: 3-4 monthsLocation: LondonRate: £400 GBP/Day (Outside IR 35)Role SummaryWe are seeking a highly skilled AWS AI Agent Engineer with strong hands-on experience in agentic AI development, Amazon Bedrock, AWS AgentCore, Python, TypeScript and production-grade AIOps. The...

Third Nexus Group Limited London, United Kingdom £375 – £400 pd

Cloud Security Consultant

Design and implement secure cloud architectures across AWS, Azure, and hybrid environments, embedding security into DevSecOps and infrastructure as code. Conduct threat modelling and security reviews while advising clients on modern cloud security best practices. Work collaboratively on large-scale transformation programmes for major UK organisations.

83zero Farringdon, Greater London, London, EC1M 4BJ, United Kingdom £80,000 – £100,000 pa

Remote Permanent Clearance Required

Senior Architect - Email & Collaboration Security

This role involves shaping the technical direction of Mimecast's core Email & Collaboration Security (ECS) product line by translating complex customer and business challenges into durable, scalable architectures. The Senior Architect will lead problem-framing workshops, own critical integration contracts, and ensure engineering teams have a stable foundation to innovate quickly—while navigating two decades of legacy systems and AI-augmented threats. The position demands deep collaboration across product, engineering, and architecture leadership, with a strong emphasis on AI-first design practices and cost-aware, customer-centric decision-making.

Mimecast London, United Kingdom £124,000 – £186,000 pa

On-site Permanent Clearance Required

Director, Program Delivery Management

Leads the program and delivery management function across Mimecast’s Product and R&D organization, setting standards for planning, execution, and governance. Champions operational excellence, drives systemic improvements, and integrates AI to enhance delivery velocity. Focuses on team development, cross-functional alignment, and executive-level reporting to ensure reliable, scalable delivery at scale.

Mimecast London, United Kingdom £104,000 – £156,000 pa

Cyber and Information Security Manager

Cyber & Information Security ManagerLocation: Peterborough or LondonSalary: £50,000–£60,000VIQU is looking for an experienced Cyber & Information Security Manager for our client to take responsibility for cyber and information security within a large, geographically distributed organisation.You'll own and develop the...

VIQU IT Clerkenwell, London, EC1R 0EA, United Kingdom £50,000 – £60,000 pa