Cyber Security Jobs

CrowdStrike · Spain

Serve as a senior technical consultant on front-page incident response engagements for Fortune 100 organisations, conducting intrusion investigations under project leadership and outside counsel. Perform host and network forensics across Windows, Mac and Linux, hunt threat actors in large datasets, and produce written and verbal findings for customers, regulators and legal counsel.

CrowdStrike · Ireland

Serve on the technical team of front-page incident response engagements for Fortune 100 organisations, hunting adversaries across large data sets and conducting intrusion investigations under project leadership and outside counsel. Perform host and network forensics across Windows, Mac and Linux, and produce written and verbal findings for customers, regulators and legal counsel.

eFinancialCareers · London · £85,000 – £105,000 pa

Senior technical security authority supporting UK public sector, healthcare, defence and central government clients. Leads security architecture reviews, assesses cloud, network, infrastructure and application controls, and conducts threat modelling, risk and vulnerability assessments. Mentors practitioners and translates complex security risks into business-focused recommendations for senior stakeholders.

eFinancialCareers · London · £67,000 pa

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.

Entrust · London

Builds and operates production ML systems for document classification and extraction, using LLMs/VLMs and traditional ML to power identity verification at scale. Leads technical design from RFC to deployment, optimises GPU inference, and develops training and evaluation pipelines. Works in a squad-based team alongside Applied Science, Product and Data Science.

Entrust · Cambridge

Provides technical leadership for FPGA-based solutions in security-focused systems, owning architecture, VHDL RTL design, verification, and integration with embedded and host software. Balances hands-on implementation with planning, estimation, and mentoring, while defining development processes such as CI/CD and configuration management.

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.

Amtis Professional · Shenstone · £50,000 – £60,000 pa

Hands-on Azure engineering role designing and delivering secure, scalable cloud services across IaaS and PaaS. You'll build Infrastructure-as-Code with Terraform or Bicep, develop CI/CD pipelines, drive automation, governance, security and hybrid identity, and lead root-cause analysis. Distinct for shaping a modernising environment rather than pure support.

Amazon · London

Builds and operates automation platforms that onboard threat detection, remediate security risk and accelerate incident response across every AWS account. Day to day involves designing loosely specified features, writing well-tested Python and TypeScript on AWS services, instrumenting systems for operational excellence, and participating in an on-call rotation. The team runs foundational services at very high scale with a strong 'you build it, you run it' culture.

Palo Alto Networks · Madrid, Spain

Designs and plans Idira privileged account security solutions for customers, coordinating with implementation, sales and product teams to ensure architectures meet standards and are executed as planned. Acts as a technical expert advising on best practices, regulatory risk and vulnerability management while managing the full customer journey and escalations.

Palo Alto Networks · London

Designs and plans Idira privileged-account security solutions for customers, coordinating with implementation, sales and product teams to ensure architectures meet standards and are executed as planned. Acts as a client-facing technical expert, advising on best practices, regulatory risk and large-scale IT systems while managing the full customer journey.

Amazon · London

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. Also maintains AWS infrastructure, builds Python automation for access governance and audit reporting, and researches emerging threats such as forensic watermarking and generative AI misuse.

Netcraft · Bath

Join a technical operations team conducting cybercrime incident response, classifying malicious websites, apps, emails and phone numbers, and communicating threat analysis to clients. The role involves customer feedback, process improvement, and regular weekend shift work to support 24/7 protection, with full training provided for those new to cybersecurity.

Barclays · London

Owns the optimisation and strategy of transaction monitoring controls across Barclays UK and International, tuning surveillance systems and ensuring governance and escalation procedures are followed. Uses SQL, Scala, Spark and Python for data exploration and visualisation, collaborating with technical and non-technical stakeholders on financial crime risk.

Darktrace · London

Take technical ownership of a portfolio of SaaS platforms supporting the global revenue organisation, starting with Gong and expanding over time. Combine platform administration, product ownership and stakeholder management, maintaining a technical backlog covering health, configuration, integrations, security and compliance while coordinating releases with Architecture, Data and Security teams.