Security Engineer: AI Infra & Kubernetes Security

Carbon3ai Limited.; United Kingdom; Hybrid; GBP 80,000 - 110,000; Full time

Job summary

Era4 is seeking a Security Engineer to design, implement, and continuously improve security controls across our next‑generation AI infrastructure and datacentre operations in the United Kingdom. You will protect Kubernetes‑based and cloud‑native environments, secure datacentre networking, and enable secure software delivery practices.

You will collaborate with engineering, platform, and operations teams to integrate security into our proprietary cloud infrastructure, CI/CD pipelines,

Qualifications

• Experience in Security Engineering, Cloud Security, DevSecOps, Infrastructure Security, or Datacentre Security.
• Hands-on experience with vulnerability management platforms and security assessment methodologies.
• Familiarity with CI/CD security controls, secure software development practices, and supply chain security.
• In-depth scripting and automation skills using Python, Bash, or similar languages.

Responsibilities

• Design, implement, and maintain security standards and controls for on prem Kubernetes.
• Review infrastructure architectures and perform security assessments to identify risks and mitigations.
• Integrate security controls into CI/CD pipelines, including SAST, DAST, dependency scanning, container image scanning, and secrets detection.
• Partner with development teams to implement secure coding practices and remediate security findings.
• Conduct threat modelling and security reviews for new applications, services, and infrastructure changes.

Skills

Security engineering

Cloud security

DevSecOps

Infrastructure security

Threat modelling

Scripting (Python/Bash)

Tools

Palo Alto firewalls

OpnSense

Nokia networking

CI/CD tooling

Job description

Era4 is seeking a Security Engineer to design, implement, and continuously improve security controls across our next‑generation AI infrastructure and datacentre operations in the United Kingdom. You will protect Kubernetes‑based and cloud‑native environments, secure datacentre networking, and enable secure software delivery practices.

You will collaborate with engineering, platform, and operations teams to integrate security into our proprietary cloud infrastructure, CI/CD pipelines,