Jobs in London

Sr. Software Engineer, Cloud Platform , London)

Design and implement cloud platform features for CrowdStrike's AISOAR platform, focusing on marketplace integrations, discoverability, and search capabilities. Work with distributed systems processing trillions of events daily, using Golang, Python, Kubernetes, and cloud-native technologies. Operate in a security-first environment with on-call responsibilities and a strong emphasis on AI-driven innovation and platform scalability.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Software Engineer, Cloud Detection , London)

Design and scale foundational backend services for a next-generation detection platform processing internet-scale data streams. Work on distributed systems using Go/C++ and cloud technologies to enable real-time threat detection across the Falcon ecosystem. Collaborate across teams to build resilient, high-performance services that orchestrate data and logic across multiple cybersecurity products.

CrowdStrike London, United Kingdom

Hybrid Permanent

Cyber Security Architect - OutsideIR35

This role involves reviewing and improving cyber security architectures across a critical transport infrastructure organisation’s digital estate. The Security Architect will conduct risk assessments, advise on secure design, and support the implementation of security controls across network, cloud, and endpoint environments. Working closely with technical teams and stakeholders, they will enhance security practices within a highly regulated, safety-critical setting.

GCS Hillingdon, London, United Kingdom £500 – £600 pd

Hybrid Contract Clearance Required

Cyber Response & Recovery Manager

This role focuses on leading technical recovery and remediation efforts following major cyber incidents such as ransomware, Active Directory compromise, and cloud breaches. The candidate will design and implement secure recovery strategies, rebuild compromised infrastructure, and guide clients through resilience improvements. It is a hands-on position within a growing cyber recovery practice, involving on-call duties and occasional UK travel.

Circle Recruitment London, United Kingdom £68,000 – £80,000 pa

Cyber Response & Recovery Manager

Lead technical recovery and remediation efforts following major cyber incidents such as ransomware, Active Directory compromise, and cloud breaches. Design and implement secure recovery strategies, oversee infrastructure hardening, and guide clients through resilience improvements. Mentor junior staff and manage stakeholder communication during high-pressure engagements.

Circle Recruitment Manchester, United Kingdom £64,000 – £76,000 pa

Hybrid Permanent Clearance Required

Security Engineer, Vulnerability Management and Remediation Operations

This role involves identifying, assessing, and remediating security vulnerabilities across Amazon’s infrastructure and services. The engineer will develop automated detection systems, support internal teams in resolving security issues, and contribute to global on-call rotations. Emphasis is placed on scalable automation, technical depth in vulnerability analysis, and collaboration within a diverse, security-focused team.

Amazon London, United Kingdom

Hybrid Permanent

Cyber Security SOC Analyst

As a Cyber Security SOC Analyst, you will monitor systems, respond to alerts, and manage incident reporting. You will work closely with the Escalations Management Team to mitigate threats and provide operational support to the wider Cyber Security Team.

Gold Group London, United Kingdom £30,000 – £36,000 pa

Hybrid Permanent Clearance Required

AWS Cloud Native DevOps Engineer

This role involves designing, building, and managing secure, scalable AWS cloud environments. You will develop Infrastructure as Code, build CI/CD pipelines, implement monitoring and logging, and collaborate with Agile teams to deliver reliable and secure cloud solutions.

83zero London, United Kingdom £65,000 – £75,000 pa

Permanent Clearance Required

AWS Cloud Native DevOps Engineer

This role involves designing, building, and managing secure, scalable AWS cloud environments. You will develop Infrastructure as Code, build CI/CD pipelines, implement monitoring and logging, and collaborate with Agile teams to deliver reliable and secure cloud solutions.

83zero Manchester, United Kingdom £65,000 – £75,000 pa

Hybrid Permanent Clearance Required

Interim Cyber Security Officer

This role involves providing senior-level technical leadership for a Security Operations Centre, with a focus on enhancing capabilities in endpoint detection and response using CrowdStrike Falcon and Splunk Enterprise Security. The candidate will lead configuration, incident response, threat hunting, and SOAR automation, while mentoring internal teams and improving security monitoring. The position requires deep expertise in EDR, SIEM, and security orchestration within a hybrid working environment in London.

Alois Technologies Limited London, United Kingdom £400 – £500 pd

Cyber Security & Operational Resilience Inspector

This role involves regulating cyber security and operational resilience across the UK's civil nuclear sector. You will conduct inspections, assess cyber risks, and engage with industry and government stakeholders to ensure robust security arrangements. The position tackles complex, nationally significant challenges within a high-hazard, regulated environment.

Office for Nuclear Regulation London, United Kingdom £71,196 – £81,794 pa

Principal Security Architect

This role involves leading security architecture initiatives within a Central Government project, focusing on high-assurance systems in regulated environments. The Principal Security Architect will apply deep technical expertise across cloud, identity, networks, and infrastructure, aligning with NCSC standards and operating across solution, programme, and portfolio levels. The position requires strong stakeholder engagement, particularly with executive and accrediting bodies, and the ability to deliver secure solutions in constrained or low-connectivity environments.

Summer Browning Associates London, United Kingdom £1 pd

Hybrid Contract Clearance Required

DevOps Engineer

This role involves building and optimising CI/CD pipelines and cloud infrastructure on Azure to support multiple product lines. The engineer will implement automated, secure deployment solutions using Azure DevOps, GitHub Actions, and Terraform, with a focus on observability, system reliability, and developer empowerment through self-service tooling. Collaboration with agile teams and incident response support are key aspects of the position.

Computappoint United Kingdom £55,000 – £60,000 pa

Cyber Security Engineer

The role involves delivering security improvements across Microsoft 365, Azure, and AWS platforms, with a focus on identity, endpoint, cloud, and data protection. The engineer will implement and configure security controls using Microsoft Intune, Defender, Purview, and Entra ID, support SIEM and alerting systems, and collaborate with infrastructure and platform teams. It is a contract position within a public sector programme, combining remote work with limited on-site presence in South West London.

GCS Brixton, London, SW9 8BH, United Kingdom £350 – £400 pd

Hybrid Contract Clearance Required

Senior Cloud Architect

Design and lead cloud architecture initiatives across Azure and GCP within a high-security government environment. Drive cloud strategy, governance, and infrastructure automation using IaC tools. Collaborate across data, digital, and security domains to deliver resilient, secure cloud solutions at scale.

Summer Browning Associates London, United Kingdom

Hybrid Contract Clearance Required