Cyber Security Jobs

CrowdStrike · Romania

Analyzes large-scale security telemetry, threat intelligence feeds and detection data to surface trends, anomalies and emerging threats. Builds dashboards, reports and data pipelines using SQL, Python, Logscale and graph databases, partnering with product and data engineering teams to turn raw security data into actionable insights and KPIs.

CrowdStrike · Spain

Analyzes large-scale security telemetry, threat intelligence feeds and detection data to surface trends, anomalies and emerging threats, and builds dashboards and reporting workflows using SQL, Python and Logscale. Works cross-functionally with product and data engineering teams to turn raw security data into actionable insights and KPIs for the Office of Adversary Strategy.

eFinancialCareers · Birmingham · £60,000 pa

Hands-on security engineering role designing, implementing and managing cyber security tooling across cloud, hybrid and on-premises environments. Involves building automation for SIEM log ingestion and routing, firewall and network security management, infrastructure assessments against CIS Benchmarks, and supporting SOC monitoring and incident response. Works alongside engineering, cloud and security teams, with exposure to AI security and Infrastructure as Code.

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.

Avanti Recruitment · London · £60,000 – £100,000 pa

Advises clients on core security across cloud, identity, applications, data and governance while addressing AI-specific risks such as prompt injection, excessive agency and data leakage. Runs security assessments and architecture reviews, threat models agentic workflows and LLM applications, and helps establish guardrails and governance for AI systems from experimentation to production.

Mentmore Recruitment · Reading · £59,000 pa

Assesses the design and operational effectiveness of cybersecurity controls across a complex technology environment, executing testing activities and adapting test scripts to different control environments. Gathers and reviews evidence, documents findings, maintains test plans and reports, and works with control owners to complete assessments. Covers domains such as threat intelligence, identity and access management, incident response and cryptography.

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.

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.

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.

4Square Recruitment Ltd · London · £40,000 – £50,000 pa

Build and maintain secure web applications for a cyber security consultancy, working across the stack with React on the front end and Node.js REST APIs on the back end. The role emphasises secure development practices, OWASP principles and vulnerability remediation, with ownership of features and input into technical decisions.