Jobs in London

Senior ML Engineer, Doc Fraud

This role involves building and optimizing production machine learning systems for document classification and extraction, with a focus on leveraging LLMs and traditional ML techniques at scale. The engineer will design training and inference pipelines, improve model accuracy through advanced labeling workflows, and ensure high performance and reliability in real-time systems. Collaboration with applied science, product, and operations teams is key to delivering secure, seamless customer onboarding experiences across global document types.

Entrust

Hybrid Permanent

Senior Product Manager, Document Verification

Leads product strategy and execution for a core component of a document verification platform, focusing on improving verification accuracy, fraud prevention, and customer conversion. Works cross-functionally with engineering, AI/ML, design, and growth teams to deliver identity verification capabilities in a regulated environment. Engages with customer feedback, analytics, and experimentation to drive product improvements in digital identity and onboarding journeys.

Entrust

Hybrid Permanent

Senior Security Researcher

As a Senior Security Researcher, you will focus on AI systems, contributing to rapid prototyping and open-ended research initiatives. You will investigate trends in generative AI security, research attacker tradecraft, and provide feedback to product and development teams.

Darktrace London, UB8 1LQ, United Kingdom

Hybrid Permanent

Account Executive (Romanian Speaking)

This role involves driving full-cycle enterprise sales for Darktrace's AI-powered cybersecurity platform, focusing on the Central and Eastern European market. You'll prospect, engage CISOs and security leaders, demonstrate solutions, and close high-value deals with support from SDRs and technical teams. The position requires strong sales acumen, fluency in Romanian and English, and a tech-savvy interest in cybersecurity.

Darktrace London, UB8 1LQ, United Kingdom

Senior Security Systems Engineer

This role involves servicing, fault-finding, installing, and repairing CCTV, access control, and alarm systems across multiple sites in the South East. You will manage commissioning, upgrades, and fault resolution, working on commercial, educational, and council contracts, including universities. The position includes an on-call rota and covers a wide range of security systems.

Get Staff Surrey, United Kingdom £45,000 – £55,000 pa

On-site Permanent

Head of Information Security

Leads the development and execution of the firm's cybersecurity strategy, overseeing security operations, incident response, compliance (ISO 27001, Cyber Essentials Plus), cloud security, and AI-related risks. Responsible for building security into technology projects, managing third-party assurance, and advising senior leadership on cyber risk. Combines strategic oversight with hands-on leadership across internal teams and external security providers.

Picture More Ec1A1Ta, United Kingdom £100,000 – £110,000 pa

Network Security Architect - FortiGate, Palo Alto, Zero Trust

Design and lead enterprise network security architecture across data centres, cloud, and hybrid environments, with a focus on Zero Trust, micro-segmentation, and firewall technologies including Palo Alto and FortiGate. Operate in a financial services context, driving security automation, incident coordination, and secure network transformations. Work within a hybrid model in central London.

Hays Technology London, City And County Of the City Of London, United Kingdom £850 pd

Hybrid Contract

Founding Engineer - Early Careers

Work across the full stack to build a security-focused canary-based intrusion detection product, primarily using C# on .NET Core 10, Terraform, and HTMX. Collaborate closely with founders and engineers in a fast-paced, office-based startup environment focused on shipping daily. Engage directly with customers to solve real-world cloud security challenges while leveraging AI-assisted development tools.

Tracebit London, United Kingdom

On-site Permanent

Senior Cybersecurity Lead

Lead the development and execution of cybersecurity strategy across Five Guys' European operations in a hands-on, greenfield role. Define security policies, strengthen cloud and identity security, lead incident response, and ensure compliance with GDPR, PCI-DSS, and ISO 27001. Collaborate with IT and leadership in a lean environment while building security capabilities from the ground up.

We Love Alfa London, United Kingdom £90,000 – £110,000 pa

Founding Engineer

As a Founding Engineer, you'll work across the full stack to build a security-focused product using canaries that detect intrusions in cloud environments. You'll collaborate closely with founders and engineers, shipping daily using C#, .NET Core 10, Terraform, and HTMX. The role emphasizes high-quality, rapid development in a tight-knit, office-based team with strong engineering practices and AI-assisted tooling.

Tracebit London, United Kingdom

On-site Permanent

Managing Security Architect

As a Managing Security Architect, you will lead security architecture engagements, drive threat modeling, and ensure secure design across large and complex programs. You will work with senior stakeholders, architects, and delivery teams to embed security into business-critical solutions, influence security decisions, and enable secure cloud adoption.

Sopra Steria London, United Kingdom £80,000 – £90,000 pa

IT Enterprise Applications Manager

Leads the strategy, governance, and modernisation of a diverse enterprise applications portfolio within a construction engineering firm undergoing digital transformation and M&A activity. Focuses on application integration, automation, and digital innovation using platforms like Workday, Snowflake, and low-code tools. Collaborates with infrastructure and service teams to ensure scalable, secure solutions aligned with business growth.

Context Recruitment London, United Kingdom £85,000 – £90,000 pa

IT Support Engineer - MSP

Provide hands-on technical support and cloud administration for a diverse client base, focusing on Microsoft 365, Entra ID, and network infrastructure. Troubleshoot complex issues, manage firewall and endpoint systems, and contribute to technical projects in a collaborative MSP environment. Engage in client-facing work with opportunities to shape service delivery and improve processes.

Circle Recruitment South West London, United Kingdom £35,000 – £42,000 pa

On-site Permanent

3rd Line IT Support Engineer

This role involves providing senior-level technical support and project leadership within a managed service provider environment. You'll manage Microsoft 365, cloud and virtualisation platforms, troubleshoot complex infrastructure and security issues, lead client-facing projects, and mentor junior engineers. The position offers autonomy, client interaction, and influence over technical service delivery.

Circle Recruitment South West London, United Kingdom £45,000 – £52,000 pa

On-site Permanent

Azure Platform Engineer

This role involves building and maintaining a secure, well-governed Azure environment, focusing on platform health, operational readiness, and making complex Azure services easy to adopt. You'll work on infrastructure as code, Azure services, and documentation, with a pragmatic approach to both technical and business outcomes.

Picture More W1K1Ab, United Kingdom £85,000 – £90,000 pa