Cyber Security Jobs

• Lisbon, Portugal
• Hybrid · 3 days in office
• Senior
• Permanent

Builds and operates production ML systems for document extraction powering identity verification, working with VLMs/LLMs and traditional ML at scale. Owns technical design from RFC to deployment, optimising GPU inference, training and evaluation pipelines, and labelling workflows. Mentors engineers and collaborates with Applied Science, Product and Data Science in a squad-based team.

AWS · Kubernetes · TensorFlow +4

• United Kingdom - Field
• Senior

Senior individual contributor providing cross-team technical leadership for the Agentic Trust solution, owning complex problem areas spanning multiple services and platform planes. Remains deeply hands-on, shaping designs, prototyping high-risk capabilities, resolving systemic issues, and creating reusable patterns. Involves identity, delegated authority, policy enforcement, and trustworthy execution, with mentoring and architecture reviews.

MCP · C2PA

• Toronto, Canada
• Hybrid · 2 days in office
• CA$150,000 – CA$210,000 pa
• Senior

Owns the strategy and roadmap for CrowdStrike's Falcon Privileged Access product, driving just-in-time access, secrets management, and session brokering across endpoint, cloud, and infrastructure. Works with designers and cross-product teams to build frictionless, AI-native PAM experiences, and acts as the internal and external expert for the domain.

CrowdStrike Falcon · CyberArk · BeyondTrust +7

• Arlington, United States
• Hybrid · 2 days in office
• US$140,000 – US$220,000 pa
• Senior

Owns the strategy and roadmap for CrowdStrike's Falcon Privileged Access product, driving just-in-time access, secrets management, session brokering and zero standing privileges across endpoint, cloud and infrastructure. Works with designers and other product teams to build frictionless, AI-native PAM experiences, acting as the internal and external expert on the domain.

CrowdStrike Falcon · CyberArk · BeyondTrust +7

• London
• Remote
• Senior

Senior technical product engineer role advising partners, customers and internal teams on cloud-native security, Cortex capabilities and SOC automation. Involves cross-functional projects, product roadmap feedback, and building playbooks and integrations across AWS, Azure and GCP.

AWS · Azure · GCP +3

• London
• Hybrid
• Senior
• Permanent

Senior overlay role acting as lead technical strategist for BT across the UK and EMEA, driving joint technical alignment and co-architecting security offerings. Involves positioning NetSec, SASE, Zero Trust and Cortex CloudSecOps into BT's managed service architecture, leading complex POCs and demos, and providing targeted post-sales advisory. Requires executive-level engagement with BT leadership and close co-selling with internal sales, with around 30% UK travel.

Palo Alto Networks · Cortex · AWS +6

• London
• Hybrid
• Mid-level

Builds new features and systems for Cloudflare's edge web server, focusing on the rules engine and its control plane. Works in Rust and Go on large-scale distributed systems, performance engineering, and reliability across a platform handling over 100 million HTTP requests per second.

Rust · Go · Cloudflare

• London
• €54,000 – €75,000 pa
• Mid-level

Join the Security Rules team to design, build and operate microservices behind Cloudflare's Application Security products such as Rate Limiting and Web Application Firewall. Work mainly in Rust and Go across distributed systems, databases, Docker and Kubernetes, with on-call duties and mentoring responsibilities.

Rust · Go · Docker +7

• Cobridge
• On-site
• £45,000 – £55,000 pa
• Senior · manages people
• Permanent

Owns the day-to-day technology environment for an engineering and manufacturing business, covering infrastructure management, systems and database administration, cybersecurity, ERP and global support. Leads and mentors an IT team, runs projects such as system upgrades and software implementations, manages budgets and vendors, and ensures compliance and disaster recovery across UK and international offices.

Microsoft Dynamics AX · Jira · Confluence

• Southampton
• Remote
• £75,000 – £85,000 pa
• Senior
• Permanent

Principal-level technical security lead on a high-assurance UK defence programme moving from MVP towards operational capability. The role covers secure-by-design architecture, cross-domain information exchange, cyber risk and assurance, IAM, cryptography, cloud and network security, working with solution architects, DevOps and assurance teams. Distinct for its defence focus and ex-military requirement.

DevOps

• Bath
• Hybrid · 2 days in office
• £30,000 pa
• Entry level

Join a technical operations team conducting cybercrime incident response, classifying malicious websites, apps, emails and phone numbers, and communicating findings to customers and affected parties. The role involves shift work covering weekends, with hybrid flexibility from a Bath office, and full training is provided for candidates without prior cybersecurity experience.

Udemy · Coursera

• London
• Senior · manages people

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.

SQL · Scala · Spark +1

• 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.

Gong · Gainsight · Salesforce +6

• London
• Hybrid · 2–3 days in office
• £55,000 – £65,000 pa
• Senior

Owns the entire IT estate for a cybersecurity SaaS company, covering identity and access management, macOS device management, SaaS administration and end-to-end joiners, movers and leavers. An engineering-led role focused on automation, AI enablement and security controls that support SOC 2, ISO 27001 and Cyber Essentials Plus audits, working alongside the Director of Information Security and a Senior SecOps Engineer.

macOS · MDM · SSO +6

• Cambridge
• On-site
• Mid-level
• Permanent

Consultants assess critical systems for cyber-physical vulnerabilities, combining deep hardware research, testing and reverse engineering with rapid prototyping of proof-of-concept demonstrators. Work spans niche defence and national security projects, interfacing with hardware via protocols like JTAG and UART and using test equipment such as oscilloscopes. The role is fully on-site in Cambridge labs within a flat, collaborative ~40-person consultancy.

JTAG · UART · Oscilloscopes