321 jobs for “Cyber Security Analyst”
CrowdStrike Romania
Investigates emerging malware and cyber threats across the full attack lifecycle, validating Falcon's detection coverage and distinguishing genuine threats from background noise. Works with Threat Research, Engineering, Data Science and Red Team to turn findings into product improvements, and supports external security testing programmes such as AV-Test and SE Labs.
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.
Sophos United Kingdom
Leads incident response engagements for customers hit by cyberattacks, directing a team of consultants, running kick-off and daily update calls, and delegating forensic tasks. Handles multiple ransomware and BEC investigations concurrently, performing root cause analysis and producing executive-summary reports mapped to MITRE ATT&CK.
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.
Darktrace Cambridge
Works at the intersection of security engineering and generative AI, researching, prototyping and shaping agentic workflows within the Darktrace product ecosystem. Collaborates with product, engineering and machine learning teams to turn ideas into prototypes, while maintaining product knowledge through open-ended research projects.
Darktrace London
Security researcher role at the intersection of security engineering and generative AI, exploring, prototyping and shaping agentic workflows within the Darktrace product ecosystem. Involves identifying product use cases, designing prototypes, and coordinating with product, engineering and machine learning teams, while maintaining expertise through open-ended research.
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.
eFinancialCareers London
Engineering-led role building defensive capability against AI-driven threats, spanning AI-assisted vulnerability management, security architecture for agentic AI, and detection and response for AI-originated attacks. Sits within Citi's CISO organisation across four teams, with a mandate to ship production tooling rather than work in an innovation lab.
HAYS Specialist Recruitment London
Client-facing consulting role helping major organisations assess cyber risk, maturity and capability, then turn strategy into practical transformation programmes. Work spans strategy and risk-based roadmaps, governance structures and operating models, using frameworks such as NIST CSF, ISO 27001, NCSC CAF and NIS2. Senior Consultants also own workstreams, manage deliverables and coach junior colleagues.
DCV Technologies Royal Leamington Spa £550 – £650 pd
Hands-on contract role owning the end-to-end detection engineering lifecycle, translating threat intelligence, hunting findings and adversary techniques into effective detection rules. Builds behavioural analytics and detection content across endpoint, identity, cloud, network and email telemetry using KQL, SPL, Sigma, Python and PowerShell, with tuning, purple teaming and Detection-as-Code work alongside SOC, IR and Red Team specialists.
Akkodis West Midlands (Region) £65,000 – £75,000 pa
The role focuses on detection engineering and security automation within a CSOC, building SOAR playbooks and SIEM content to improve threat detection and response. Day to day involves analysing workflows, creating automations and enrichments across security tools, and managing an engineering backlog. It is primarily remote with occasional travel to the Midlands head office.
CrowdStrike Reading
Internship on CrowdStrike's Technical Analysis Cell, researching nation-state and criminal intrusions through reverse engineering of malware and tooling. The intern builds automation for malware analysis, creates host- and network-based detection signatures, and produces threat intelligence reporting for varied audiences.
Office Angels Ashford £50,000 – £55,000 pa
Lead operational delivery of data protection and information governance across a healthcare organisation, acting as primary internal lead alongside an external DPO. Oversee UK GDPR and DSPT compliance, SARs, FOIs, DPIAs and information sharing, and support cyber security, incident response and audits while advising senior leaders and clinical colleagues.
Appcast Enterprise Whiteley £61,500 – £78,800 pa
Designs, develops and maintains manual and automated test scripts and reporting for a flagship National Security programme, using frameworks such as Katalon Studio, Selenium, SoapUI and JUnit. Analyses requirements and designs to build risk-based test approaches, working within hybrid Waterfall and Agile scrum teams alongside software and systems engineers.
Reed Newport £62,000 – £71,000 pa
Owns end-to-end delivery and performance of critical IT services delivered through a strategic partner and supplier network in a SIAM environment. Acts as service integrator, managing supplier SLAs, KPIs and contracts, leading service reviews, driving continual improvement and ensuring compliance with NIS and CAF standards. Combines technical oversight of Azure, SaaS, SAP and ServiceNow with stakeholder-facing reporting via Power BI.
