Cyber Security Jobs

Sr. SRE Engineer II - EPICS, NG-SIEM

This role involves designing and maintaining observability systems, scaling solutions, and incident response processes for CrowdStrike's NG-SIEM platform. You will work on ensuring the reliability and performance of a large-scale, distributed system that processes trillions of events daily, collaborating with cross-functional teams to diagnose and resolve complex issues.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Intelligence Analyst, GTAC Vulnerability Mission

This role involves identifying and tracking vulnerabilities and exploit techniques used by cyber adversaries, collaborating with subject matter experts, and producing intelligence reports. The analyst will work closely with other teams to inform and coordinate on adversary activities, developing tools and processes to support predictive analysis.

CrowdStrike Bigton, Alba / Scotland, ZE2 9GA, United Kingdom

Remote Permanent

Vulnerability Researcher (Software)

As a Vulnerability Researcher, you will conduct deep technical research into complex software systems, identifying vulnerabilities and developing exploits. You will work with multidisciplinary teams to design prototypes, test hypotheses, and document findings that influence future cyber capabilities.

Searchability NS&D Cheltenham, United Kingdom £65,000 – £85,000 pa

Hybrid Permanent Clearance Required

Senior Engineer

This role involves installing, servicing, and maintaining security systems such as CCTV, Biometric Access Control, and Entry Systems. You will work Monday to Friday, traveling to clients' sites, with opportunities for career development and premium overtime.

Rise Technical Recruitment London, United Kingdom £40,000 – £48,000 pa

Hybrid Permanent

Senior DevOps Engineer - Leeds

This role involves owning and evolving the organization's DevOps tooling and platforms, designing and maintaining CI/CD pipelines, and embedding monitoring and logging to ensure high availability. You will also support engineering teams through documentation and continuous improvement of the developer experience.

Circle Recruitment Leeds, United Kingdom £60,000 – £70,000 pa

Hybrid Permanent Flexible

Cyber Security Consultant

This role involves conducting cyber risk assessments, controls gap analyses, and maturity reviews against standards like ISO 27001 and NIST. You will support clients through certification and audit cycles, produce risk registers and improvement plans, and conduct cloud and third-party security reviews. The position offers a mix of client-facing and advisory work, with opportunities for career growth.

Oscar Technology Manchester, United Kingdom £60,000 pa

Hybrid Permanent

Systems Engineer

This role involves designing, configuring, and delivering mission-critical systems for UK government and defence projects. Responsibilities include system design, testing, documentation, and on-site support, with a focus on national security and operational capability.

Reed Rh13Dr, RH1 3DR, United Kingdom £45,000 – £50,000 pa

On-site Permanent Clearance Required

Cyber Security Director - Financial Services (Consulting)

As a Cyber Security Director, you will lead a team of cyber professionals, develop client relationships, and deliver cyber-related projects for Financial Services clients. Your role involves strategic market development, client engagement, and contributing to thought leadership in the industry.

Oliver James London, United Kingdom £140,000 – £170,000 pa

On-site Permanent

Senior Incident Response Specialist - Manchester

This role involves leading and managing cyber incident response activities, conducting digital forensic investigations, and working closely with security operations teams to identify and remediate threats. You will also develop incident response processes and mentor junior team members.

Circle Recruitment Manchester, United Kingdom £50,000 – £85,000 pa

Hybrid Permanent Clearance Required

Red Team Lead

As a Red Team Lead, you will design and execute sophisticated adversary emulation engagements, researching emerging threats and translating real-world attacker behavior into impactful red team operations. You will lead complex engagements, develop realistic attack scenarios, and support client advisory, while maintaining high technical and ethical standards.

Oscar Technology London, United Kingdom £70,000 – £90,000 pa

Remote Permanent

Cloud Operations Engineer

This role involves ensuring the reliability and security of Mimecast’s hybrid-cloud infrastructure, managing Kubernetes and AWS EKS, automating infrastructure, and troubleshooting issues. You will work with cutting-edge technologies and collaborate with a supportive team to enhance the company's global cybersecurity platform.

Mimecast London, United Kingdom

On-site Permanent

Senior Analytics Engineer - UK

As a Senior Analytics Engineer, you will lead initiatives on data quality, observability, and model optimization. You will collaborate with Data Engineers, Data Analysts, and Software Engineers to develop and maintain analytical data models within our data warehouse, ensuring high-quality datasets for robust customer-facing reporting and efficient querying over large datasets.

Immersive United Kingdom

Remote Permanent

IT Infrastructure & Security Engineer

This role involves managing the day-to-day health and stability of the company's infrastructure and cloud environments, including servers, networks, and security tooling. You will provide hands-on technical leadership, support IT projects, and ensure compliance with security standards such as Cyber Essentials and ISO27001.

Maze Recruitment Services Limited Milton Keynes, United Kingdom £45,000 – £46,000 pa

Hybrid Permanent

Lead Product Manager - Artificial Intelligence - UK

As a Lead Product Manager focused on AI, you will drive the development of solutions to train users on safely leveraging AI within their organizations. You will work closely with cross-functional teams to define the product vision, prioritize initiatives, and ensure the delivery of high-impact features that enhance the Immersive One platform and expand market leadership.

Immersive United Kingdom

Remote Permanent

Field CISO EMEA

The Field CISO EMEA role involves serving as a trusted security advisor to CISOs and board-level stakeholders across EMEA, guiding them on human risk management, insider risk strategy, and compliance. You will also represent Mimecast at industry events and support customers through security challenges and audits.

Mimecast London, United Kingdom

Hybrid Permanent