Cyber Security Jobs

• London
• Hybrid · 2 days in office
• Senior

Joins R&D teams to build and enhance cybersecurity products, providing technical direction across rapid prototyping and structured platform development. Involves advancing malware-defence methodology, mentoring engineers in Python, JavaScript, Rust and C++, and working with Docker, cloud environments and CI/CD pipelines. Hybrid role with two days a week in the Cambridge office.

Docker · Git · Cloud Computing

• London
• Director · manages people
• Permanent

Lead and grow a team of security engineers and incident managers, owning incident response processes, SLAs and metrics at AWS scale. Partner with service teams on prioritisation and remediation, drive automation and process improvements, and guide architectural and technical strategy across organisations.

AWS

• London
• Hybrid
• Mid-level

Builds new features and systems for Cloudflare's edge web server, focusing on the rules engine and its control plane. Works in Rust and Go on large-scale distributed systems, performance engineering, and reliability across a platform handling over 100 million HTTP requests per second.

Rust · Go · Cloudflare

• London
• Hybrid · 1 day in office
• £600 – £700 pd
• Senior · manages people
• Contract

Lead a risk-based technical assurance programme across a global enterprise, independently assessing security control effectiveness in infrastructure, cloud, identity, applications and incident response. Manage and mentor a small team of Technical Assurance Analysts while producing board-level reporting and driving continuous controls monitoring and automated assurance.

ISO 27001 · NIST Cybersecurity Framework · NIST 800-53 +5

• London
• Hybrid · 3 days in office
• £400 – £450 pd
• Lead
• Contract

Acts as the primary liaison between global cybersecurity functions and regional business lines, embedding security controls into initiatives from concept to launch. Provides end-to-end security consultancy, oversees cyber risk profiles and governance forums, and leads the regional rollout of global transformation and remediation programmes, including M&A support.

• London
• Hybrid · 2 days in office
• £75,000 – £125,000 pa
• Director

A senior, hands-on individual-contributor role setting information security direction for an international organisation, reporting to the Global Head of Technology. You will define standards and proportionate controls, challenge network, infrastructure and cloud configurations, and provide oversight of vulnerability management, monitoring and incident response, with no security team to manage.

Microsoft 365 · Azure · NIST CSF +3

• Cambridge
• Hybrid
• £60,000 – £70,000 pa
• Senior

Senior role shaping system design and test criteria for Linux-based embedded systems, leading software security work including Hardware Root of Trust, Secure Boot and TPM integration. Day to day involves embedded C development, Yocto build systems and Linux kernel work, integrating software with hardware via I2C, SPI and UART, plus root-cause debugging. The position also includes mentoring junior engineers within an Agile R&D environment.

Linux · Yocto · Jenkins +6

• Ashford
• Hybrid
• £50,000 – £55,000 pa
• Senior
• Permanent

Owns data protection and information governance across a healthcare organisation, handling SARs, DPIAs, privacy notices, information sharing agreements, breach management and IG audits. Works with senior leadership and an external DPO, partnering with IT and security teams on cyber security, ISO 27001 and DSPT compliance while delivering training and legislative guidance.

ISO 27001

• Manchester
• Hybrid
• £60,000 – £70,000 pa
• Lead

Owns the Group's infrastructure estate across Microsoft 365, Azure, networks, security and end-user services, defining the technology roadmap and leading modernisation and transformation initiatives. Acts as primary technical owner of the MSP and key suppliers, driving resilience, identity and endpoint security, and multi-site networking. Hybrid role in Manchester within a growing property investment business.

Microsoft 365 · Azure · Entra ID +7

• United Kingdom
• Remote
• Senior
• Permanent

Builds and maintains analytical data models in a cloud data warehouse, designing high-quality datasets for customer-facing reporting and developing semantic layers for BI. Works in a multi-disciplinary agile product team with data and software engineers, leading on data quality, observability and model optimisation while mentoring junior engineers.

Snowflake · dbt · Power BI +4

• London
• Senior
• Permanent

Builds and manages services that detect and automate mitigation of cybersecurity threats across Amazon's infrastructure, working with data scientists and software engineers. The role also supports UK customer security programs covering personnel security, accreditations, assurance and training, with visibility to government agencies and senior leadership.

AWS

• London
• Senior
• Permanent

Builds greenfield security software that automates pentest workflows and surfaces critical security details about every Amazon application. Works with local and international security teams on scalable, mission-critical systems, rapidly prototyping tools that reduce manual security processes and protect customer data across Amazon's ecosystem.

AWS

• London
• £70,000 – £75,000 pa
• Director

Lead the development and governance of the organisation's information security strategy, aligning with ISO27001 standards and business goals. Oversee risk management, incident response, and ISMS implementation while collaborating with senior stakeholders and external auditors. Deliver security training, audit frameworks, and strengthen resilience through continuous improvement of security controls and recovery plans.

• Cambridge
• Hybrid · 2 days in office
• Senior

Conducts independent and collaborative research into large language models, statistical methods and classical machine learning, prototyping ideas and implementing models into the wider software stack. Produces latency- and memory-optimised solutions for deployment on edge devices, working closely with software engineers and security analysts.

PyTorch · TensorFlow · scikit-learn +7

• Cambridge
• Hybrid · 2 days in office
• Mid-level

Backend engineering role focused primarily on TypeScript, prototyping and building new features for AI-driven cybersecurity products. You'll work with a cross-functional team of engineers, designers and strategists, using Docker and cloud environments, with opportunities to specialise across languages like Python, Rust and C++. Hybrid, requiring at least two days a week in the Cambridge office.

Docker