Cyber Security Jobs

• Virtual Location - Uk
• Senior
• Permanent

Leads complex security testing engagements end-to-end across interconnected AWS microservice architectures, performing penetration testing and AI-augmented source code review. Investigates high-consequence risk hypotheses to documented conclusions, builds reusable mechanisms like fuzzers and detection rules, and mentors engineers while setting the team's peer-review bar.

AWS · Agentic AI

• London
• Permanent

Join a Security Operations Centre to build detections for suspicious and malicious behaviour, respond to security incidents, and engineer automation and AI-driven solutions that improve team efficiency. You'll collaborate with data scientists, software engineers and security experts to protect AWS infrastructure and UK customers at massive scale.

AWS

• Germany
• Remote
• Senior

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, operating and extending honeypots, performing vulnerability research, and reproducing emerging vulnerabilities. Involves reverse engineering, Linux/Windows internals, Python tooling, and GenAI/LLM workflows, with published research on the CrowdStrike blog or at conferences.

CrowdStrike · Python · Android +4

• United Kingdom
• Remote
• Senior

Security researcher role on CrowdStrike Intelligence's Advanced Research Team, developing automated solutions for large-scale data collection, running honeypots and Internet-wide scans, and performing vulnerability research. The position also involves reverse engineering, publishing research on the blog or at conferences, and applying GenAI/LLM workflows to security research.

CrowdStrike · Android · iOS +3

• London
• €66,000 – €91,000 pa
• Senior

Builds and operates microservices behind Cloudflare's Application Security products such as Rate Limiting and Web Application Firewall, working mainly in Rust and Go with Docker, Kubernetes, PostgreSQL, Kafka and Clickhouse. Senior engineers lead complex projects from design through production, mentor peers, and improve reliability of distributed systems at global scale, with on-call flexibility required.

Rust · Go · C++ +7

• London
• Hybrid · 2 days in office
• Senior

Customer-facing pre-sales technical role supporting Key Account Managers to design and manage Darktrace deployments for the UK's largest enterprise customers. Involves building technical relationships, responding to RFIs/RFPs, designing deployment architectures, and evangelising products at events, with roughly 20% travel.

AWS · Azure · Security+ +2

• London
• Lead

Hands-on technical leadership role maintaining and evolving the Workday integration ecosystem across HR and Finance, reporting to the Digital Transformation Lead. You will design, build and support integrations using Workday Studio, EIB, web services and APIs, govern the Workday security model, and develop reporting and analytics. The role combines technical delivery with architecture, security, compliance and service management responsibilities.

Workday · Workday Studio · Enterprise Interface Builder +7

• United Kingdom
• Remote
• Senior

Owns the strategy, roadmap and execution for the Endpoint Windows Platform, translating OS and security requirements into product priorities. Partners closely with Engineering, Microsoft and cross-portfolio teams on agent architecture, performance and platform change management, and supports go-to-market enablement.

Microsoft · Windows · Sophos Endpoint +6

• United Kingdom
• Remote
• Mid-level

Performs advanced investigative, forensic and containment work during active cyber incidents for Managed Detection and Response customers, correlating alerts and telemetry to establish scope and root cause. Mentors junior IR and SOC analysts, maintains engagement documentation and playbooks, and supports Incident Advisors with validated technical findings. Includes weekend and holiday rotation cover.

OSQuery · SQL · KQL +2

• London
• Lead

Security lead for an AI engineering team's products and platform, owning security reviews, threat modelling and sign-off from design through production. Covers AI/LLM risks like prompt injection, CVE remediation, scanning tooling in CI/CD, pen testing and incident response, reporting directly to the CIO.

Azure · GCP · GitHub Actions +7

• London
• Hybrid · 1–2 days in office
• £75,000 – £90,000 pa
• Senior
• Permanent

Design, build and operate secure AWS platforms using Terraform, Kubernetes/EKS and CI/CD for public and private sector clients. You will own technical delivery in your area, create reusable modules and deployment patterns, and mentor less experienced engineers within multi-disciplinary consulting teams.

AWS · Terraform · Kubernetes +7

• Leicester
• On-site
• £50,000 – £60,000 pa
• Mid-level
• Permanent

First in-house IT role for a growing care group, acting as the intelligent client to an outsourced IT provider. You'll manage SLAs, own Microsoft 365 access and cyber controls, run monthly multi-site health checks, and oversee IT governance and licence spend, reporting directly to the CFO.

Microsoft 365 · VoIP · AI

• London
• Hybrid · 3 days in office
• Senior
• Permanent

Owns a core area of the document verification platform, setting strategy and roadmap for identity document checks used in onboarding and account opening. Works with Engineering, AI/ML, Data Science, Design, Growth and Compliance to improve verification accuracy, conversion, operational efficiency and fraud prevention, using experimentation and analytics to prioritise investments.

NFC · eIDs · Digital Wallets

• 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

• Birmingham
• Hybrid
• £600 – £650 pd
• Senior
• Contract

Hands-on contract managing enterprise identity security platforms, optimising Delinea Secret Server and Saviynt IGA, and strengthening privileged access controls. Involves onboarding critical applications, incident response, patching and releases, and working with cloud security engineers across Azure, Entra ID and AWS, including emerging risks around AI and non-human identities.

Delinea Secret Server · Saviynt IGA · Azure +3