Cyber Security Jobs

• Aarhus, Denmark
• Remote
• Senior
• Permanent

Owns major components of the Windows kernel-mode endpoint sensor, architecting and building anti-virus and EDR features that cut across file system, memory, process and networking subsystems. Works on cross-platform deliverables with shared components across Windows, Mac and Linux, leading projects from design through delivery and demo.

Windows · Mac · Linux +1

• London
• Remote
• Senior
• Permanent

Builds and owns major components of the Falcon endpoint sensor, a Windows kernel-mode driver that observes system activity, detects malicious behaviour and provides on-box prevention plus telemetry to the cloud. Work spans OS internals such as file system, memory, process and networking, with cross-platform components shared across Windows, Mac and Linux.

Windows · Mac · Linux +1

• United Kingdom - Field (Onfido)
• Senior

Customer-facing role leading enterprise onboarding and implementation of identity and security solutions, guiding customer engineering teams through design, integration, testing and go-live. Involves hands-on troubleshooting of REST APIs, mobile and web SDKs, log and API traffic analysis, and advising on performance, scalability and security. Requires independently managing multiple concurrent engagements and mentoring junior team members.

REST APIs · Android Studio · Xcode +7

• London
• Hybrid
• £70,000 – £75,000 pa
• Mid-level
• Permanent

Hands-on role blending DevOps, cloud and security across AWS and Azure environments, embedding controls into CI/CD and Infrastructure as Code. You'll improve IAM, monitoring and vulnerability management while supporting client migrations and the company's push towards SOC 2 compliance, working alongside Platform/DevOps and Compliance teams.

AWS · Azure · GuardDuty +7

• 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

• London
• Hybrid · 3 days in office
• £349 – £465 pd
• Lead
• Contract

Lead end-to-end AI and cyber security transformation embedded within technology teams, acting as SME on AI frameworks and defining guardrails as capabilities evolve. Design secure-by-default hybrid and cloud architectures aligned to NIST and ISO 27001, drive automation across IAM, network, endpoint and data security, and translate technical risk for C-suite stakeholders.

NIST · ISO 27001

• Manchester
• Hybrid
• Lead
• Permanent

Senior technical authority in the Sales Engineering & Field Strategy team, shaping and delivering complex cyber security solutions across professional and managed services. Acts as strategic partner to clients, translating business challenges into secure, scalable designs, while mentoring and quality-assuring the wider Solution Architect team.

• Cambridge
• Hybrid
• £60,000 – £70,000 pa
• Senior

Senior role shaping system design and test criteria for Linux-based embedded systems, leading software security work including Hardware Root of Trust, Secure Boot and TPM integration. Day to day involves embedded C development, Yocto build systems and Linux kernel work, integrating software with hardware via I2C, SPI and UART, plus root-cause debugging. The position also includes mentoring junior engineers within an Agile R&D environment.

Linux · Yocto · Jenkins +6

• Cheltenham
• Hybrid
• Permanent

Join a growing National Security Business Unit conducting vulnerability research across short-term tactical challenges and long-term research engagements. Work alongside a team of experts with dedicated lab facilities, regular research events, and a focus on training and development. Based in Cheltenham with a possible hybrid working approach.

• Manchester
• £55,000 – £75,000 pa
• Mid-level

Design, build and maintain CI/CD pipelines in Azure DevOps, automating build, test, deployment and infrastructure provisioning. Manage Azure resources with Terraform, Bicep or ARM templates, support App Services and Function Apps, and integrate testing, code quality and security tooling such as SonarCloud and Snyk. Work closely with developers and stakeholders in a collaborative, flexible team.

Azure DevOps · Azure App Services · Azure Functions +7

• Gloucestershire
• Hybrid
• £60,000 – £80,000 pa
• Mid-level
• Permanent

Investigate and respond to security incidents across endpoint, identity, network and cloud environments for a growing cyber security consultancy and MSSP. The role involves digital forensics, evidence collection, containment and recovery, plus developing IR playbooks and tabletop exercises, working alongside SOC, Threat Intelligence and Detection Engineering teams. It includes an on-call rota and occasional customer travel.

Velociraptor · KAPE · Timesketch +8

• London
• Hybrid · 3 days in office
• £55,000 – £65,000 pa
• Mid-level

Engineer and optimise security tooling across cloud and on-premises environments, improving threat detection, monitoring and visibility. Turn findings from threat hunting, red team exercises and threat intelligence into practical detection rules and controls, working with Cyber Defence, Infrastructure and Architecture teams.

Microsoft Sentinel · Microsoft Defender · Azure +3

• Grange, Greater London
• Hybrid
• £55,000 – £60,000 pa
• Mid-level
• Permanent

Conducts penetration tests across web applications, infrastructure, cloud environments and APIs, with exposure to Active Directory, AWS/Azure/GCP and tools like Burp Suite, Kali Linux, Nmap and Metasploit. Owns testing engagements end to end, writes clear reports and advises clients on remediation, with scope to move into red teaming, assumed breach and AI security.

Burp Suite · Kali Linux · Nmap +4

• United Kingdom
• Remote
• £550 – £600 pd
• Senior
• Contract

Hands-on engineering role deploying, configuring and troubleshooting Prisma Access, DLP, CASB and SSPM within a large enterprise SASE and cloud security transformation. You act as a trusted technical adviser, handling escalations, root cause analysis and data protection policy work alongside cybersecurity, networking and cloud teams.

Prisma Access · GlobalProtect · Palo Alto Networks +3

• Ipswich
• £50,000 – £55,000 pa
• Mid-level

Hands-on infrastructure role covering Microsoft Azure, cloud infrastructure, cyber security and internal IT systems, working alongside another Infrastructure Engineer. Day to day involves managing and supporting Azure, maintaining reliability, performance and security, handling endpoint protection, MFA, access management and email security, troubleshooting complex incidents, patching, disaster recovery and Azure cost optimisation, plus infrastructure projects and documentation.

Microsoft Azure · Windows Server · Microsoft 365