Mission freelance Security Platform Engineer - Cloud and Kubernetes - DV Cleared

Security Platform Engineer - Cloud and Kubernetes
Must have an Active DV Clearance

Can be based in London, Farnborough or Corsham

You will work closely with platform engineers, security specialists, and cloud teams to deliver resilient, secure, and highly automated cloud infrastructure.
The position is ideal for an experienced Security Platform Engineer with strong Kubernetes security expertise and a passion for cloud-native security engineering.

Security Platform Engineer Responsibilities

Design, deploy, configure, and manage cloud security platforms and tooling.
Implement and maintain SIEM, IDS, and IPS technologies.
Develop security monitoring, logging, and detection capabilities across Kubernetes environments.
Investigate, analyse, and respond to security incidents, performing root cause analysis and remediation.
Perform forensic investigations into suspicious activity and security events.
Automate security workflows and operational processes using scripting and Infrastructure as Code.
Support Kubernetes platform security, workload isolation, RBAC, and network policies.
Participate in an on-call rota to support security incidents and operational resilience.

Security Platform Engineer Skills and Experience

Active DV Clearance
Experience within Cloud Security Engineering, DevSecOps, or Cloud Platform Engineering is essential
Extensive experience using Kubernetes Security
Strong experience securing Kubernetes environments, including RBAC, workload isolation, and network policies.
Experience with Kubernetes threat detection, anomaly detection, Istio, Linkerd, or workload identity would be advantageous.
Security certifications such as CISSP, CISM, GSEC, or OSCP would be beneficial.

To apply, please send your CV by pressing the apply button.

Due to high volume of applications, only shortlisted CVs will be contacted.


Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.

An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience.

Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.