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

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 Network & Security Senior Specialist

This role involves managing and scaling the EMEA network infrastructure, including routing, switching, firewalls, VLANs, and WiFi across various locations. You will also handle identity and access management, endpoint security, and vulnerability management using tools like Okta, Entra ID, and CrowdStrike. The position requires extensive hands-on network engineering and cybersecurity experience, particularly in multi-site retail environments.

Centre People Appointments London, United Kingdom £55,000 – £60,000 pa

IT Infrastructure Engineer & Retail Technology Specialist

This role involves managing and supporting the IT infrastructure and retail technology for a global fashion brand's European operations. Responsibilities include network management, endpoint security, POS system support, and technical setup for new store openings and refits.

Centre People Appointments London, United Kingdom £50,000 – £60,000 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

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

DV Cleared Data Engineers Wanted Mid to Senior AWS - Data Platforms

This role involves hands-on data engineering across the full data lifecycle, from ingestion to consumption, in secure, high-impact client programmes. You will build and maintain data pipelines, work with modern data architectures, and contribute to technical decisions in a collaborative environment using AWS and related technologies.

Avanti M12Ae, United Kingdom £55,000 – £80,000 pa

Hybrid

Senior Enterprise Account Executive, UK Public Sector

This role involves driving enterprise-wide cybersecurity sales within UK Public Sector organizations, focusing on strategic account planning and relationship management. The Senior Enterprise Account Executive will generate and close sales opportunities through direct engagement and channel partners, aligning Sophos solutions to customer cybersecurity and business outcomes. The position emphasizes complex sales cycles, C-level communication, and coordination with sales engineers and customer success teams.

Sophos United Kingdom

Remote Permanent

Lead Cyber Security Engineer - Huxley

A leading global financial services organisation is seeking a Lead Security Engineer to lead the design, implementation, and optimisation of enterprise-wide cyber security platforms and engineering capabilities within a highly regulated environment.The OpportunityThis is a senior technical leadership role responsible...

eFinancialCareers London, United Kingdom