Sr Subject Matter Expert (Support&Ops)

About the role

This role is critical to enabling regulated workloads for platforms in public cloud. The specialist will be the subject-matter expert (SME) for AWS Key Management Services, XKS (External Key Store), HSM (CloudHSM/Thales), and cloud encryption architectures. They will lead solution design, deployment, automation, validation, and production readiness—while also upskilling team members and ensuring alignment with SG’s internal cloud and security standards.

What you'll do

• Solution Architecture & Design - Design the end to end encryption solution for sensitive workloads on AWS (technical architecture, operating model
• Validation & Cross Team Alignment - Present and validate the solution with Architecture teams, Security teams, and Cloud Governance. - Facilitate design reviews
• Deployment, Automation & Documentation - Deploy and configure AWS KMS, XKS, CloudHSM environments and Thales integrations. - Automate deployment pipelines using CI/CD
• Proof of Concept (POC) & Scalability Validation - Execute a POC using a real-use case. - Evaluate performance, scalability, operational flows
• Production Rollout & Service Enablement - Lead the service transition from POC to production-ready state.

What you need

• SOP writing
• AWS
• Documentation
• CI/CD
• Terraform
• Azure
• Any graduate

Good to have

• IAM
• Incident response
• Cloud security