Cyber Security Jobs

CrowdStrike · United Kingdom

Lead incident response engagements for a global cybersecurity firm, conducting intrusion investigations under outside counsel direction. Perform host and network forensics across Windows, Mac and Linux, basic malware analysis, and threat hunting across large data sets, while producing reports for customers, regulators and legal counsel.

CrowdStrike · United Kingdom

Lead a team of three data scientists building machine learning and agentic AI systems for threat detection, malware analysis and security automation. Set technical standards, own ML roadmaps from research to production, and partner with security research, engineering and product teams while staying hands-on with Python, ML frameworks and large-scale data.

eFinancialCareers · Cardiff · £60,000 pa

Hands-on security engineering role protecting cloud, hybrid and on-premises environments, covering tooling design, automation and control improvements. Day to day involves SIEM log ingestion and routing, firewall and network security, infrastructure assessments using CIS Benchmarks, vulnerability management and SOC incident response. Works alongside engineering and cloud teams, with exposure to IaC, CI/CD pipelines and AI security hardening.

eFinancialCareers · Glasgow · £60,000 pa

Hands-on security engineering role protecting cloud, hybrid and on-premises environments, covering SIEM log ingestion and automation, firewall and network security, and infrastructure assessments using CIS Benchmarks. The engineer also supports vulnerability management, endpoint security, IDS/IPS and SOC incident response, applying security to CI/CD pipelines and Infrastructure as Code.

Sheffield Hallam University · Sheffield · £40,704 – £45,641 pa

Deliver and develop undergraduate and postgraduate Cyber Security and Computer Networks teaching, with a focus on technical areas, within an applied, project-based learning environment. Engage in industry consultancy and knowledge exchange, helping regional businesses achieve certifications such as Cyber Essentials. The role sits in an NCSC-certified department where staff and students collaborate closely.

LASE (University of Greenwich) · London · £38,784 – £44,746 pa

Fixed-term research post within the Centre for Sustainable Cyber Security, an NCSC-recognised Academic Centre of Excellence, working on the EU-funded GANNDALF project. The role involves studying and addressing the privacy-explainability trade-off in explainable AI for cyber crime investigations, including agency-to-agency data sharing, a decision-support toolbox, and pilot implementations and evaluations. Requires a PhD in computer science and a strong publication record in privacy-enhancing technologies or explainable AI.

QinetiQ · Bristol · £86,400 – £96,000 pa

Provides strategic cyber security consultancy to senior stakeholders, helping organisations understand and respond to evolving security challenges and business risks. Applies frameworks such as NIST, ISO27001, MITRE ATT&CK and Zero Trust to assess vulnerabilities and maturity, while leading teams, supporting bids and developing business within defence and critical national infrastructure.

Oscar Technology · London · £60,000 – £65,000 pa

Hands-on penetration tester owning engagements end to end across web applications, infrastructure, cloud platforms and APIs, from scoping through testing, reporting and client debriefs. Works alongside experienced testers, contributing to methodologies and tooling, with scope to develop in AI security assessments, assumed breach and red teaming.

Immersive · United Kingdom

Designs, builds and tests cloud security labs, challenges and gamified learning content covering AWS, Azure and GCP, working with the Principal Cloud Security Engineer and the wider Product and Content teams. Involves researching cloud SIEMs, Kubernetes, CSPM and Terraform to create realistic attack and defence simulations for security professionals.

Bridewell · London

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.

Adecco · Warwick · £65,000 – £75,000 pa

Hands-on role securing enterprise cloud environments across Azure and GCP, covering vulnerability remediation, cloud security tooling, Microsoft Defender, Conditional Access and identity controls. Works with infrastructure and engineering teams to embed best practice, support governance and compliance, and contribute to incident response, with remote on-call expected within six months.

NCC Group · Cheltenham

Research new and innovative solutions to challenging client problems and assess existing client solutions to prove or disprove their security fundamentals. Contribute to team growth through knowledge sharing and mentoring, within a newly formed National Security Business Unit working on varied client projects.

Defence Equipment & Support · Bristol

A cyber security role aligned to the Government Security Profession Framework's Cyber Security Risk Manager function. The post holder identifies, understands and mitigates cyber-related risks, providing delivery teams with tailored advice, guidance and direct support so they can make well-informed, risk-based decisions grounded in realistic threat events and likelihoods in the operating environment.

CSC Recruitment Ltd · London · £50,000 – £70,000 pa

Owns and develops the organisation's information security and cyber security strategy, covering policy, risk assessment, incident response and compliance with ISO 27001, Cyber Essentials and UK GDPR. Works across technical and non-technical stakeholders, runs audits and awareness training, and reports security risk and performance to senior leadership.

Carbon 60 · London

Oversees cyber assurance across multiple domains or tribes, embedding security by design and ensuring controls meet risk appetite. Works with Digital Delivery leadership, the Cyber Team and the Cyber Security Office, advising on risk, policy and regulatory requirements. Requires threat and risk assessment across varied technology stacks and senior stakeholder influence.