Cyber Security Jobs

Sophos · United Kingdom

Senior individual contributor researching how threat actors adopt, weaponize and exploit AI, from LLM-powered social engineering to attacks on agentic AI systems. Involves instrumenting telemetry to detect adversarial AI use, automating research workflows with LLMs and Python, and publishing deep-dive intelligence externally. Works alongside CTU researchers, SophosLabs analysts, MDR threat hunters and data scientists.

CrowdStrike · Ireland

Investigates emerging malware and cyber threats across the full adversary kill chain, validating and improving Falcon's detection coverage. Works with Threat Research, Engineering, Data Science and Red Team to turn findings into product improvements, using automation, AI and machine learning to scale analysis.

CrowdStrike · United Kingdom

Investigates emerging malware and cyber threats across the full adversary kill chain, validating and improving Falcon's detection coverage. Works with Threat Research, Engineering, Data Science and Red Team to turn findings into product improvements, supporting external security testing programmes and building automation to speed analysis.

Sophos · United Kingdom

Owns the strategy, roadmap and execution for the Endpoint Windows Platform, translating OS and security requirements into product priorities. Partners closely with Engineering, Microsoft and cross-portfolio teams on agent architecture, performance and platform change management, and supports go-to-market enablement.

Darktrace · Paris, France

Customer-facing technical role partnering with security and IT stakeholders to drive platform adoption, reduce risk and demonstrate measurable value. You build technical success plans, spot adoption gaps and retention risks early, and feed technical health insights into renewals, QBRs and expansion discussions alongside Account Executives and Solutions Engineering.

Darktrace · London

Customer-facing technical role partnering with security and IT stakeholders to drive platform adoption, reduce risk and improve customer health. Works with Account Executives, Solutions Engineering and Renewals on technical success plans, adoption analytics, QBRs and renewal readiness. Requires fluency in French and English.

Cloudflare · London

Own the full software development lifecycle for distributed systems supporting threat disruption and legal response, building data pipelines that collect and expose threat intelligence for analysts and customers. Work primarily in Golang and TypeScript with Rust, Kafka, Redis, Kubernetes, Terraform and Postgres, collaborating with Threat Intelligence, Trust & Safety, Legal and Product teams, plus on-call rotations and mentoring.

QinetiQ · Portsmouth · £50,850 – £56,500 pa

Advises customers on cyber security vulnerability, risk, audit and compliance, applying NIST and ISO27001 frameworks to risk assessments and security assurance. Supports accreditation, governance and mitigation strategies across government, defence and critical national infrastructure, engaging stakeholders and presenting findings. Based on-site at least three days a week with customer travel required.

QinetiQ · Bristol · £65,700 – £73,000 pa

Lead cyber security vulnerability analysis, audit processes and business risk modelling for defence customers, while shaping cyber exercise scenarios and advising on security posture against NIST and ISO27001 frameworks. The role involves applying MITRE ATT&CK and Secure by Design approaches, working largely on-site at a customer site in Corsham.

Michael Page · Liverpool · £60,000 – £65,000 pa

Investigating and responding to escalated security incidents, performing detailed event analysis and threat detection while working with external security providers. Acts as a subject matter expert supporting cyber incident response, optimising SIEM, IAM and DLP platforms, running phishing simulations and security reviews across the technology estate.

RiverSafe · London

Client-facing consulting role leading end-to-end security engagements across security architecture, cloud security, DevSecOps, application security and security operations. You'll run workshops, design controls in AWS/Azure/GCP, produce risk-based deliverables and help identify follow-on work, contributing to proposals and account growth.

Maxwell Bond · London · £115,000 – £135,000 pa

Owns security end to end for a confidential investment-data platform and its AI agents, split roughly 60% hands-on product and cloud security and 40% assurance and client-facing work. Sets AWS IAM, encryption and detection patterns, defines agent authorisation and prompt-injection defences, and drives SOC 2, ISO 27001 and AI Act readiness with penetration testing and client due diligence.

Sellick Partnership · Newcastle upon Tyne · £57,000 pa

Protect business systems, infrastructure and data by monitoring, investigating and responding to cyber threats and incidents. Manage vulnerability remediation, patching and endpoint security while securing cloud, network and endpoint environments. Support governance, audits and compliance with standards such as ISO 27001 and Cyber Essentials Plus, working with internal teams and third-party suppliers.

Hays Technology · Leeds · £65,000 – £70,000 pa

Lead a cyber security team day to day, covering resource planning, rotas and performance management, while overseeing incident response, vulnerability management and cloud security migration. Act as escalation point for security incidents and lead war-gaming exercises within an ITIL and ISO 27001 framework, requiring hands-on Azure security expertise.

Commercial Ltd · Kings Hill · £54,500 – £55,000 pa

Monitor, triage and investigate security alerts, incidents and requests, managing records through to closure and coordinating recovery. Use tools such as Tenable and Darktrace across cloud and wider IT infrastructure, supporting vulnerability management, threat intelligence and malware analysis, with on-call backup for emergency response.