Cyber Security Jobs

Sr. Security Researcher , DEU)

Develop automated tools for large-scale data analysis, conduct vulnerability research, and reverse engineer exploits across Windows, Linux, and other platforms. Support threat intelligence efforts by identifying malicious infrastructure, analyzing patches, and reproducing 0-day exploits. Publish findings internally and externally while collaborating with intelligence teams to deliver actionable technical insights.

CrowdStrike England

Remote Permanent

Sr. Security Researcher

This role involves conducting advanced security research, including vulnerability discovery, reverse engineering, and adversary TTP analysis, using AI-enhanced workflows. The researcher will develop automated data collection and analysis tools, operate honeypots, and publish findings in blogs or conferences. Collaboration with internal teams is required to address urgent technical intelligence needs.

CrowdStrike England

Policy and Regulatory Analyst

This role involves conducting regulatory analysis and supporting compliance initiatives for digital identity and trust services across EMEA, with a focus on frameworks like eIDAS v2, ETSI standards, and AML/KYC regulations. The analyst will prepare certification documentation, assess regulatory requirements in key markets including Germany and the UK, and contribute to the development of internal guidance and horizon-scanning tools. Close collaboration with product, engineering, and go-to-market teams ensures regulatory alignment in product strategy and market expansion.

Entrust London, United Kingdom

Hybrid Permanent

Technical Services Implementation Consultant

This role involves managing end-to-end customer integrations for Entrust’s IDV platform, with a primary focus on networking and secure connectivity projects such as IP allow-listing, firewalls, and VPN setup. The consultant acts as the technical delivery lead, coordinating between customer infrastructure teams and internal stakeholders, while also providing guidance on API and SDK integrations. The position emphasizes project coordination over hands-on configuration, requiring strong client-facing and cross-functional collaboration skills.

Entrust London, United Kingdom

Hybrid Permanent

Senior Penetration Tester - CTL

Conduct infrastructure and web application penetration tests for clients, contributing to the development of new testing methodologies. Includes dedicated time for research and access to training platforms and certifications to support professional growth.

Bridewell London, United Kingdom

Hybrid Permanent

Senior Cloud Security Consultant

This role involves delivering cloud security consulting services to clients, focusing on modern cloud-first environments and emerging security technologies. The consultant will work hands-on with a variety of cloud platforms and security tools to help organisations secure critical functions. The position supports client engagements with technical expertise and strategic guidance in a growing cybersecurity team.

Bridewell London, United Kingdom

Hybrid Permanent

Senior SOC Engineer

This role involves designing, implementing, and optimising Microsoft Sentinel and Defender solutions within enterprise environments. The engineer will develop KQL queries, detection rules, and automation playbooks while conducting security assessments and tenant health checks. It focuses on technical depth in Microsoft security engineering, with direct customer engagement and mentorship of junior team members.

Experis United Kingdom

Chief Information Security Officer / CISO - Interim

This role involves providing strategic and operational leadership for cyber security during a critical phase of maturity development. The Interim CISO will lead security governance, risk management, and incident resilience while enhancing capabilities across people, process, and technology. The role requires close collaboration with executive teams and third-party security providers within a complex, regulated environment.

Experis United Kingdom

Cyber Security Architect

Design and implement secure technology solutions within a large telecommunications environment, focusing on security architecture and controls. Collaborate with technical teams and senior stakeholders to align security with business and regulatory requirements. Support transformation and modernisation initiatives across complex infrastructure, cloud, and network environments.

ECS Resource Group London, United Kingdom £525 – £550 pd

Cyber Security Contractors - SC Cleared

Act as a cyber security contractor on a long-term government programme, delivering specialist expertise in cloud security, threat intelligence, security operations, or information assurance. Work remotely across the UK with occasional site visits, supporting secure-by-design architecture, threat analysis, and compliance activities within a complex environment.

Matchtech London, United Kingdom £594 pd

Cyber Security Consultant - Penetration Tester

Conduct penetration testing engagements across network, cloud, and web application environments, delivering technical assessments and client-facing reporting. Work collaboratively within a security team while managing independent projects and supporting client scoping discussions. Focus on identifying and communicating security risks clearly to both technical and non-technical stakeholders.

FlexIT Talent Solutions Ltd London, United Kingdom £65,000 pa

Cyber Assurance & Risk Analyst

This role involves managing cyber assurance and risk activities to protect the Imperial War Museums' digital and information assets. The analyst will lead compliance with security standards like Cyber Essentials and GovAssure, embed secure-by-design principles in digital projects, and manage third-party cyber risks. Key responsibilities include coordinating certifications, producing governance reports, and supporting cyber risk management across systems and suppliers.

Imperial war museums Lambeth, London, SE1 7JW, United Kingdom £42,500 – £45,000 pa

Cyber Assurance Consultant

This role involves conducting cyber risk assessments, information assurance, and security governance in high-assurance environments across defence, government, and critical infrastructure. You'll work directly with customers and technical teams to evaluate threats, vulnerabilities, and security designs, translating technical findings into business-relevant risk insights. The role supports secure-by-design practices, accreditation activities, and security strategy across major programmes, with opportunities for progression into leadership and architecture roles.

Rebel Recruitment Nottingham, Nottinghamshire, United Kingdom £65,000 – £120,000 pa

Senior Security Analyst - Product-Based Risk Assessment (PBRA)

Conduct end-to-end security risk assessments for critical applications and technology services, evaluating threats, vulnerabilities, and control effectiveness. Engage with senior stakeholders across CISO, CTO, and engineering functions to deliver actionable remediation plans and strengthen cyber resilience. Support the evolution of assessment methodologies toward data-enabled and automated approaches, with a focus on cloud, AI, and emerging technologies.

Salt London, United Kingdom £517 – £690 pd

Hybrid Contract Clearance Required

Senior Information Security & GRC Specialist

This role involves hands-on development and maturation of an Information Security Management System (ISMS) with a focus on ISO 27001 and NIS2 compliance. The specialist will conduct risk assessments, maintain policies and controls, support audits, and translate regulatory requirements into practical security measures across a global logistics and supply chain organisation. Collaboration with technology, legal, and operational teams is key to embedding security in governance and supplier assurance processes.

Zachary Daniels Recruitment St Luke's, London, EC1V 3RQ, United Kingdom £75,000 – £85,000 pa