219 jobs for “Cyber Security Analyst”
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.
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.
Experis United Kingdom
Supports the delivery of security architecture and cyber security services across Defence and Government projects, including security assessments, risk analysis, threat identification and security documentation. Works alongside experienced Security Architects and technical specialists on areas such as Identity & Access Management, Security Testing, Privacy and Cloud Security, and requires SC Clearance.
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.
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.
Seetec Hockley £49,000 – £52,500 pa
Hands-on security role operating and improving controls across internal and customer environments, using Microsoft Sentinel, the Defender suite, Huntress and Tenable. Day to day covers security monitoring, incident response, vulnerability management, compliance and technical security projects, working with the Head of Cyber Security and wider technical teams.
Adecco Colchester £51,000 – £55,000 pa
Hands-on role maintaining and improving an organisation's cyber security posture across its IT infrastructure, covering security operations, incident response, vulnerability management and compliance. Day to day involves SIEM, endpoint security and Microsoft tooling such as Entra ID, Defender, Purview and Intune, plus audit support and security improvement projects. Predominantly remote with occasional travel to the Essex office.
TTP Cambridge
Consultants assess critical systems for cyber-physical vulnerabilities, combining deep hardware research, testing and reverse engineering with rapid prototyping of proof-of-concept demonstrators. Work spans niche defence and national security projects, interfacing with hardware via protocols like JTAG and UART and using test equipment such as oscilloscopes. The role is fully on-site in Cambridge labs within a flat, collaborative ~40-person consultancy.
CPS Group Cardiff £40,000 – £45,000 pa
Client-facing technical role in a Microsoft-focused security partner's Cyber Security Delivery Team, acting as a trusted point of contact for customers. Day to day involves tuning Defender and Entra controls, building KQL detections in Microsoft Sentinel, running phishing simulations and vulnerability scans, and supporting incident response and reporting.
