Cloud Engineer (AWS)

About the role

SimplyGo, a wholly owned subsidiary of the Land Transport Authority developing transit ticketing and travel card products, is hiring a Cloud Engineer within its IT Infrastructure team. You will manage and support AWS cloud operations, keeping the infrastructure secure, reliable and cost-optimised, covering automation, monitoring, deployments, incident response, disaster recovery and security governance.

Key responsibilities

• Manage AWS infrastructure across production and non-production environments, supporting EC2, RDS, S3, VPC, subnets, load balancers, IAM and security configurations.
• Build and maintain infrastructure as code with Terraform or CloudFormation, and automate provisioning, scaling and patching.
• Set up monitoring, alerting and logging with CloudWatch or tools such as Dynatrace and Grafana, and run capacity analysis and dashboards.
• Design backups, snapshots and data retention, and support DR planning, execution and drills.
• Enforce IAM, network security and encryption, and support compliance with IM8 and PCI DSS and vulnerability remediation.
• Support CI/CD pipelines, deployment validation and incident investigation and resolution.
• Manage AWS networking, VPN and Direct Connect, and troubleshoot cloud-to-on-premises connectivity.
• Manage the CA lifecycle (generation, issuance, renewal, revocation) and CSRs.
• Optimise AWS costs via tagging, rightsizing, reserved instances and savings plans, and maintain documentation and runbooks.
• Take part in after-hours, weekend and public holiday support for maintenance, deployments and critical incidents.

Required profile

• Training in Computer Science, IT, Engineering or a related discipline.
• Minimum 4 years of experience in cloud engineering or infrastructure operations for mission-critical, highly available systems.
• Hands-on experience with AWS services, high availability and disaster recovery design.
• Experience with CA management and cloud networking, and Linux/Windows system administration.
• Willingness to support after-hours operations.

Required skills

• AWS (EC2, RDS, S3, VPC, IAM, CloudWatch)
• Terraform or CloudFormation, Python, Bash, PowerShell, CI/CD pipelines; Docker and Kubernetes optional
• Familiarity with Dynatrace and Grafana
• AWS certifications (Solutions Architect, SysOps Administrator, DevOps Engineer) preferred
• Knowledge of AIX/Unix, IBM middleware or other third-party software is advantageous; multi-cloud experience is a plus

What we offer

• Annual compensation package and comprehensive benefits.
• Training, mentorship and career pathways.
• Hybrid work options and wellbeing initiatives.