Cyber Security Jobs

CrowdStrike · Ireland

Join the Advanced Research Team to perform vulnerability research across a wide range of targets, analysing vendor patches to identify vulnerabilities and develop proof-of-concept exploits. You will build automated solutions for collecting and processing data at scale, reverse engineer malicious payloads, and publish findings on the CrowdStrike blog or at conferences.

CrowdStrike · Romania

Join the Advanced Research Team to perform vulnerability research across a wide range of targets, including analyzing vendor patches, developing proof-of-concept exploits, and confirming exploitation of 0-day and n-day vulnerabilities. The role also involves building automated solutions for collecting and processing data at scale, reverse engineering, and publishing research on the CrowdStrike blog or at conferences.

eFinancialCareers · London · £70,000 – £95,000 pa

Senior client-facing role designing secure technical solutions and security architectures for major Government, Defence and Public Sector programmes. Involves leading technical security engagements, threat modelling, risk and vulnerability assessments, and advising stakeholders on controls, cloud security and DevSecOps practices within a consultancy's Cyber & Security practice.

Randstad Technologies Recruitment · London · £400 – £450 pd

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.

CBSbutler Holdings Limited trading as CBSbutler · Aberdeen · £650 – £720 pd

Lead and coordinate cybersecurity assessments, risk remediation and control improvements across Operational Technology environments, translating security gaps into practical remediation plans. Work with OT/ICS engineers, IT, technical authorities and third-party suppliers to strengthen critical operational systems, covering asset inventories, privileged access, network segmentation, monitoring and incident response.

Thomas Search · Tidworth

Lead organisation-wide IT security for a large PFI support services contract, owning the security strategy, roadmap and compliance activities. Manage incidents, breaches, disaster recovery and business continuity, and extend controls across the supply chain. The role sits in the central business services function, working with cyber and quality teams on audit readiness and business change.

HAYS Specialist Recruitment · Birmingham · £80,000 – £87,000 pa

Acts as the University's authority for security architecture and protective controls, running a continuous control validation programme using breach and attack simulation, purple teaming and posture monitoring across endpoint, identity, cloud and data environments. Owns control standards and baselines, governs exceptions and remediation, and acts as design authority embedding secure-by-design and threat modelling into major change. Distinct for spanning offensive assurance, zero trust and AI security while reporting to the CISO in a large higher-education setting.

HAYS Specialist Recruitment · Birmingham · £80,000 – £87,000 pa

Acts as the University's authority for security architecture and protective controls, running a continuous control validation programme using breach and attack simulation, purple teaming and posture monitoring. Owns control standards and baselines, governs exceptions and drives remediation, and serves as design authority embedding secure-by-design and threat modelling into major technology change across zero trust, multi-cloud and AI.

Infosec · London · £65,000 – £75,000 pa

Delivers cyber risk, technology risk and operational resilience engagements for a consulting firm's Digital Risk & Cyber practice, serving Financial Services, Energy, CNI and Government clients. The role involves maturity assessments, risk reviews, governance and control frameworks, and advising CISOs and executive stakeholders on regulatory compliance including CAF, DORA and NIST CSF.

Summer Browning Associates · London

Lead security programmes for a large-scale cloud transformation in a high-threat central government environment, covering strategy, policy, architecture and assurance. The role involves Azure/GCP cloud security, IAM, gateways, cryptography, secure developer enablement, accreditation and security case development, with heavy stakeholder work across government and multi-agency security.

Hays Technology · Birmingham · £80,000 – £87,000 pa

Acts as the University's authority for security architecture and protective controls, running a continuous control validation programme using breach and attack simulation, purple teaming and posture monitoring. Owns control standards and baselines, governs exceptions and drives remediation, and acts as design authority embedding secure-by-design and threat modelling into major technology change across cloud, identity and AI.

Hays Technology · Birmingham · £80,000 – £87,000 pa

Acts as the University's authority for security architecture and protective controls, running a continuous control validation programme using breach and attack simulation, purple teaming and posture monitoring. Owns control standards and baselines, governs exceptions and drives remediation, and serves as design authority embedding secure-by-design and threat modelling into major technology change across zero trust, multi-cloud and AI.

eFinancialCareers · Birmingham · £100,000 pa

Senior technical security consultant role acting as a security architect and technical authority across complex cybersecurity programmes in UK healthcare, defence, government and the public sector. Involves leading security architecture reviews, threat modelling, risk and vulnerability assessments, and advising on secure-by-design across cloud, network, infrastructure and application environments, while mentoring practitioners and engaging senior stakeholders.

QinetiQ · Manchester

Bridges compliance and hands-on technical security, managing ISO 27001 and Cyber Essentials Plus frameworks, running internal audits and third-party risk assessments. Also hardens AWS/Azure cloud environments, runs vulnerability scans and remediation, and supports incident response and identity/access management. Reports to the Head of Security in a Salford-based team.

CV-Library · Fleet

Owns day-to-day security alerting, investigations and incident response across a cloud-native microservice platform and internal IT estate, directing a Platform Ops team on remediation. Manages SIEM, endpoint and Microsoft 365 security tooling, vulnerability management, IAM and penetration testing engagements, while maintaining ISO 27001 documentation and UK GDPR compliance.