Cyber Security Jobs

• Spain
• Remote
• Senior · manages people

Lead a team of data scientists applying machine learning, large language models and reverse engineering to cybersecurity problems at massive scale, handling trillions of events daily. The role blends technical leadership, roadmap planning and stakeholder buy-in with hands-on work on malware detection, behavioural threat analysis and AI-driven security automation.

AWS · Linux

• Ireland
• Remote
• Senior · manages people

Lead a team of data scientists working at the intersection of machine learning, large language models and cybersecurity, translating business needs into technical objectives and driving research into production ML systems. The role spans mentoring, roadmap planning and hands-on work on malware detection and behavioural threat analysis across trillions of daily events.

AWS · Linux

• London

Investigates emerging cyber threats and attacker TTPs across production and lab environments, analysing security data to improve detection and response. Works closely with development teams, using scripting and data analysis to test new approaches to spotting malicious or anomalous activity, with a focus on AI and agentic AI security challenges.

Python · Bash · PowerShell +1

• Cambridge

Investigates emerging cyber threats and attacker TTPs across production and lab environments, analysing security data to improve detection and response. Works closely with development teams to turn research findings into product improvements, using scripting and data analysis to test new detection approaches.

MITRE ATT&CK · PowerShell

• London
• Mid-level
• Permanent

Join Amazon's Application Security team to conduct security reviews, design secure architectures, and perform threat modeling across a vast range of products and services. You'll also deliver security training, create guidance documentation, and track security metrics while working with builders to protect customer trust at global scale.

AWS

• London
• Permanent

Hands-on security advisory role protecting pre-release film and series content across the production lifecycle, from editorial setup and Aspera transfers to cloud storage and on-set networking. Combines vendor security assessments, research into forensic watermarking and anti-generative-AI controls, and building AWS-based tooling and Python automation.

AWS · Aspera · Python

• Southampton
• Hybrid · 3 days in office
• £70,000 – £75,000 pa
• Senior

You will shape and deliver AI-enabled business transformation, assessing new AI and technology systems against business, technical and security needs, then leading their implementation and lifecycle management. The role blends business analysis, process improvement and troubleshooting within a regulated environment, working with stakeholders, data specialists and third-party vendors. Hybrid working from Southampton three days a week.

Microsoft Office · Excel · Power BI

• Reading
• Hybrid · 2 days in office
• £40,000 – £42,500 pa
• Junior
• Permanent

First line of defence for day-to-day security hygiene at a SaaS vendor: patching the Windows estate, monitoring CrowdStrike, and assessing the impact of new vulnerabilities. Works closely with the infrastructure team, with a structured route into Azure and wider cloud security engineering.

CrowdStrike · Microsoft Defender · Azure +2

• London
• Hybrid
• £67,000 pa
• Permanent

Designs and implements security solutions across cloud, on-premises and hybrid environments for a global technology consultancy's client projects. Day-to-day work covers SIEM log ingestion and routing, firewall and network security management, CIS benchmark assessments, and automating security processes with Python, Bash or PowerShell, Terraform and cloud platforms. Involves client-dependent on-call support and requires British passport holders without dual nationality for clearance.

Splunk · Microsoft Sentinel · Cribl +11

• London
• Remote

Presales domain consultant providing technical expertise for network security and zero trust transformation. Partners with sales to architect on-prem, cloud and SASE/SD-WAN solutions, lead customer demos and technical validation, and respond to RFIs/RFPs. Acts as the main technical point of contact, presenting to audiences from practitioners to senior leadership.

SD-WAN · CASB · DLP +5

• Bristol
• Hybrid · 2–3 days in office
• Senior
• Permanent

Acts as a trusted advisor to clients across sectors, delivering governance, risk and compliance guidance spanning secure architecture, IDAM, PAM and DLP, and frameworks such as ISO 27001, NIST CSF and NIS2. Produces risk assessments, gap analyses and remediation roadmaps, while supporting bids, content creation and marketing events. Requires UK Government Security Clearance and works hybrid from the Bristol office 2-3 days a week.

IDAM · PAM · DLP +5

• London
• £38,784 – £44,746 pa
• Mid-level
• Contract

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.

• Fleet
• Hybrid
• Mid-level

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.

AWS · Kubernetes · EKS +5

• London
• Hybrid · 2 days in office
• Senior

Design, build and operate distributed systems behind Cloudflare's Application Security products (WAF, Page Shield, API Shield) at internet scale, using Go or Rust and devops tooling like Kubernetes and Kafka. The role includes reviewing RFCs and code, on-call shifts, and mentoring other engineers.

Kubernetes · Salt · Kafka +7

• London
• Mid-level

Builds and operates secure, scalable platforms and services that take enterprise AI solutions from evaluation into production. Works across DevOps, cloud engineering and MLOps, configuring environments, CI/CD pipelines, automation, monitoring and identity controls alongside AI specialists, data scientists and security teams.

AWS · Azure · GCP +7