Senior Cloud Security Lead

Form3 - External; United States; Hybrid; USD 113,000 - 146,000; Full time

Job summary

Form3 is seeking an experienced Senior Cloud Security Engineer on a 12‑month fixed term contract to lead a strategic programme of security enhancements across our cloud-native payments platform. You will collaborate with Platform Engineering and Security teams to design and implement practical security improvements ensuring scalable, production-ready solutions.

Key focus areas include cloud platform security, software supply chain security, IAM, RBAC, AI governance, cryptographic controls and

Qualifications

• Extensive experience designing and implementing cloud security solutions in large-scale cloud-native environments.
• Strong hands-on experience securing public cloud platforms (AWS preferred).
• Expertise in cloud security architecture, IAM, workload protection and infrastructure security.
• Experience securing CI/CD pipelines and modern software delivery practices.
• Experience with software supply chain security, dependency management, artefact signing, provenance and vulnerability management.

Responsibilities

• Assess current cloud security posture and identify risks and gaps.
• Design and implement scalable cloud security controls.
• Enhance perimeter security across cloud infrastructure.
• Strengthen CI/CD pipeline security and deployment governance.
• Improve production access security with RBAC and least privilege.
• Improve software supply chain security including signing and provenance.
• Provide security leadership and produce design docs and procedures.

Skills

Cloud security design

Cloud security architecture

IAM

RBAC

CI/CD security

Software supply chain security

Vulnerability management

Security governance

Stakeholder management

Technical documentation

Tools

AWS

Kubernetes

Terraform

CI/CD tooling

Container security tooling

IAM tooling

Job description

Form3 is seeking an experienced Senior Cloud Security Engineer on a 12‑month fixed term contract to lead a strategic programme of security enhancements across our cloud-native payments platform. You will collaborate with Platform Engineering and Security teams to design and implement practical security improvements ensuring scalable, production-ready solutions.

Key focus areas include cloud platform security, software supply chain security, IAM, RBAC, AI governance, cryptographic controls and