Cyber Security Jobs

• United Kingdom
• Remote
• Senior

Hands-on engineering role managing a modern identity stack across the full lifecycle, from passwordless authentication and adaptive access controls to identity governance and non-human identities. You will configure and operate Microsoft Entra ID, Saviynt and Active Directory directly, integrate applications via SAML, OIDC, OAuth and SCIM, and join an out-of-hours support rota.

Microsoft Entra ID · Active Directory · Saviynt +4

• United Kingdom
• Remote
• Senior · manages people

Leads incident response engagements for customers hit by cyberattacks, directing a team of consultants, running kick-off and daily update calls, and delegating forensic tasks. Handles multiple ransomware and BEC investigations concurrently, performing root cause analysis and producing executive-summary reports mapped to MITRE ATT&CK.

Splunk · ELK · Sophos

• Spain
• Remote
• Lead · manages people

Lead a team of three data scientists building machine learning and agentic AI systems for threat detection, malware analysis and security automation. Set technical standards, drive ML strategy from research to production, and partner with security research, engineering and product teams. Requires dual expertise in ML and cybersecurity.

AWS · Linux

• Ireland
• Remote
• Lead · manages people

Leads a team of three data scientists at the intersection of machine learning, big data and cybersecurity, setting technical standards and strategy for threat detection and agentic AI systems. Drives ML projects from research through production deployment, partnering with security research, engineering and product teams, while mentoring staff and contributing hands-on technical work.

AWS · Linux

• France - Field (Onfido)
• Senior

Owns planning, coordinating and executing test and quality activities within a cross-functional identity verification product team, covering web, mobile, backend and ML-powered journeys. Builds maintainable automated test frameworks and suites, mentors colleagues, and leads test engineering initiatives across teams. Combines automation with exploratory testing and works with TypeScript, Ruby, Python, Playwright, Cypress, Selenium and CI/CD pipelines.

Playwright · Cypress · Selenium +7

• London
• On-site
• Senior

Builds and maintains iOS SDKs for document capture, working on camera capabilities, on-device image processing and machine learning. Collaborates with designers, product managers and engineers to ship scalable, accessible experiences, contributing to test automation and CI/CD pipelines in an agile team.

iOS SDK · React Native · Flutter +3

• Belfast
• Hybrid
• £80,000 – £100,000 pa
• Lead
• Permanent

Independent assurance voice across a sovereign AI platform's cloud estate, corporate environment and AI capability. Sets security baselines for DevOps, IT and Product Security Engineering, then verifies them through continuous monitoring and independent testing, including AI controls such as prompt injection defences and agent permissions. One of the founding roles in a scaling assurance function, working with defence and government customers.

Wiz · ISO 42001 · EU AI Act +4

• Lifton
• £57,000 pa

Supporting the control systems behind food processing, filling and packaging equipment at the Ambrosia Creamery, diagnosing PLC, HMI, SCADA and industrial network faults and driving continuous improvement projects. The site standard is Siemens, with S5 and S7 PLCs and TIA Portal, and the role also covers commissioning, FAT/SAT, obsolescence planning and OT cyber security.

Siemens S5 · Siemens S7 · TIA Portal +2

• London
• On-site
• Junior
• Permanent

Day-to-day management of a bank's IT infrastructure, covering server room operations, VMware virtualisation, network and storage administration, backup, disaster recovery and IT security compliance, plus Tier 2 support. Works alongside the IT Infrastructure Manager, liaising with the parent bank and data centre, and requires fluent Mandarin and English.

VMware · vSphere · ESXi +7

• Sheffield
• £55,000 – £60,000 pa
• Senior

Senior escalation point for complex technical issues, leading infrastructure and cloud project delivery for clients and internal systems. Runs discovery workshops, produces designs and statements of work, and acts as technical lead on Priority 1 incidents, while mentoring engineers and setting technical standards.

Microsoft 365 · Azure · Entra ID +7

• Blackburn
• Hybrid · 1–2 days in office
• £60,000 – £65,000 pa
• Senior

Hands-on senior role owning the reliability, security and improvement of a mixed Linux and Microsoft infrastructure estate. Day to day covers server administration, Ansible automation, Docker and Kubernetes container platforms, MySQL/Galera and MSSQL databases, CI/CD pipelines, monitoring, patching and disaster recovery, working closely with the Software Development Team, IT Operations and third-party partners.

Ansible · Docker · CRI-O +7