Cyber Security Jobs

• Ireland
• Remote
• Senior

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 · GenAI · LLM +3

• Romania
• Remote
• Senior

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.

CrowdStrike · Windows · Linux +5

• London
• Hybrid
• Lead · manages people
• Permanent

Lead and deliver OT cyber security consulting for critical national infrastructure clients, combining hands-on client-facing work with team leadership. You will build senior internal and external relationships, ensure high-quality delivery, identify new opportunities and shape service-based solutions to drive revenue growth across your service areas.

• London
• Hybrid
• Senior
• Permanent

Join Bridewell, a leading UK cyber security services company, as a Senior Security Architect. You will protect and transform critical business functions for essential service operators, delivering end-to-end security capabilities to help clients overcome their security challenges and operate safely and securely.

• Manchester
• Hybrid
• £70,000 – £85,000 pa
• Senior

Own AWS infrastructure, CI/CD pipelines and observability for a new fintech platform, reporting to the CTO. Hands-on work spans Terraform IaC, Kubernetes, security controls, incident response and PCI-DSS/FCA compliance, with significant influence over tooling and scaling decisions in an early-stage team.

AWS · Terraform · Docker +1

• Chessington
• Hybrid
• Director · manages people
• Permanent

Lead the IT function across a multi-site FMCG business, assessing the existing technology estate and transitioning away from services provided by the former parent group. Own infrastructure, cloud, enterprise applications (notably D365 Business Central), cybersecurity governance and supplier relationships, while building a roadmap and developing the IT team.

Microsoft Dynamics 365 Business Central · Azure · Microsoft 365 +3

• London
• £50,000 – £55,000 pa
• Mid-level

Owns information security policies, risk management, data protection and business continuity within a global Group IT function, working alongside senior security managers. Hands-on role embedding security into business processes, maintaining ISO 27001 documentation, running audits and DPIAs, and supporting incident response and awareness training.

Microsoft Purview · Entra ID · Microsoft Defender +5

• London
• Mid-level
• Permanent

Resolves complex identity and access management issues, helping customers adopt security products and align configurations with current standards. Identifies case trends, drives automation for bulk remediations, and acts as a technical lead and mentor, with occasional on-call duties.

AWS

• Cheltenham
• Hybrid
• Permanent

Join a growing National Security Business Unit conducting vulnerability research across short-term tactical challenges and long-term research engagements. Work alongside a team of experts with dedicated lab facilities, regular research events, and a focus on training and development. Based in Cheltenham with a possible hybrid working approach.

• Hessle
• Hybrid
• £35,000 – £45,000 pa
• Mid-level
• Permanent

Hands-on security operations role covering alert triage, incident response and root-cause analysis, plus tuning SIEM, EDR/XDR and monitoring tooling to cut false positives. You will drive automation and security improvement projects while liaising with a managed SOC and internal infrastructure, cloud and application teams.

Microsoft Sentinel · Microsoft Defender XDR · CrowdStrike +7

• Prudhoe
• Hybrid
• £35,000 – £45,000 pa
• Permanent

Hands-on security operations role covering alert triage, incident response and root-cause analysis, alongside tuning SIEM, EDR/XDR and monitoring tooling to improve detection and cut false positives. You will also drive security automation, deliver improvement projects and act as liaison with a managed SOC and internal infrastructure, cloud and application teams.

Microsoft Sentinel · Microsoft Defender XDR · CrowdStrike +6

• London
• £75,000 – £85,000 pa
• Mid-level

Hands-on ownership of technology governance, cyber security, risk, compliance and assurance frameworks across a diverse technology estate. Leads CIS Controls Self Assessment activities, coordinates ISO 27001 gap assessments and ISMS implementation, maintains security policies and risk registers, and provides assurance reporting to senior stakeholders while coordinating external auditors and suppliers.

CIS CSAT · ISO 27001 · ISMS +2

• Reading
• Hybrid · 3 days in office
• £70,000 – £80,000 pa
• Mid-level

Lead the end-to-end delivery of concurrent internal technology systems projects, including ERP, telephony and CPQ, for a high-growth SaaS vendor. Own planning, budgets, governance, vendor coordination, configuration, integration, testing and user adoption, combining strategic thinking with hands-on project management.

ERP · CPQ · Telephony

• Derby
• On-site
• £25,000 – £60,000 pa
• Permanent

Develops and tests high-integrity software for encryption and secure communications products, working in embedded C/C++ with a strong focus on functional correctness, formally defined specifications and industry standards. Involves unit and automated testing, code reviews, static analysis and technical documentation within a small, highly skilled engineering team.

LDRA · Parasoft

• Staffordshire
• Hybrid · 2 days in office
• £50,000 – £55,000 pa
• Senior
• Permanent

Hands-on role taking technical ownership of Microsoft cloud environments, initially strengthening internal systems before moving into customer consultancy, solution design and pre-sales. Day to day covers Microsoft 365, Azure, Entra ID, Intune and SharePoint, plus security and governance work such as vulnerability scanning, remediation and Cyber Essentials compliance. Automation via Power Automate and acting as escalation point for complex cloud issues are also central.

Microsoft 365 · Azure · Entra ID +6