Cloud Infrastructure & OperationsInfrastructure Automation & IaCMonitoring & System ReliabilityBackup, Recovery & Disaster RecoverySecurity & ComplianceDeployment & Release SupportIncident Management & TroubleshootingNetwork & ConnectivityCertification Authority (CA) AdministrationCost Optimisation & GovernanceDocumentation & Continuous ImprovementOperational Support

Location: Hybrid – Tanjong Pagar
Employment Type: 1 year renewable direct contract

About the Role

We are seeking a proactive and technically strong IT Infrastructure Engineer to support and manage cloud infrastructure operations for mission-critical systems. The role focuses heavily on AWS cloud engineering, infrastructure automation, monitoring, deployment support, security governance, and operational reliability across both production and non-production environments.

You will work closely with internal stakeholders, infrastructure teams, vendors, and application teams to ensure secure, scalable, and highly available cloud platforms.

Key Responsibilities

Manage and support AWS cloud environments across production and non-production systems.

Ensure infrastructure availability, scalability, resilience, and operational stability.

Support AWS services including EC2, RDS, S3, VPC, IAM, Load Balancers, and security configurations.

Develop and maintain Infrastructure-as-Code (IaC) templates using Terraform and CloudFormation.

Automate provisioning, patching, scaling, and infrastructure configuration workflows.

Implement and maintain monitoring, alerting, and logging solutions using CloudWatch, Dynatrace, Grafana, or similar tools.

Conduct proactive monitoring, performance tuning, and capacity analysis.

Manage backup strategies, snapshot policies, and data retention processes.

Support disaster recovery planning, drills, and compliance with RTO/RPO requirements.

Enforce cloud security best practices including IAM governance, encryption, and network security.

Support vulnerability remediation and compliance initiatives such as PCI DSS and IM8.

Support CI/CD pipelines and cloud-based deployments.

Perform deployment validation, smoke testing, and post-release system checks.

Investigate and resolve infrastructure, connectivity, and performance-related incidents.

Participate in incident response, troubleshooting, and root cause analysis (RCA).

Manage AWS networking, VPN configurations, and Direct Connect integrations.

Troubleshoot connectivity between cloud, on-premise, and external systems.

Manage certificate lifecycle activities including issuance, renewal, revocation, and validation.

Handle Certificate Signing Requests (CSR) and certificate governance processes.

Monitor cloud resource utilisation and recommend optimisation strategies.

Support FinOps initiatives including tagging strategies, rightsizing, reserved instances, and cost reporting.

Maintain SOPs, runbooks, architecture diagrams, and incident reports.

Drive operational improvements and automation initiatives.

Participate in after-hours support for maintenance, deployments, patching, and critical incidents.

Support infrastructure maintenance activities during off-peak hours when required.

Requirements

Degree or Diploma in Computer Science, Information Technology, Engineering, or related disciplines.

Minimum 4 years of experience in cloud engineering or IT infrastructure operations supporting high-availability environments.

Hands-on experience with AWS services such as EC2, RDS, S3, IAM, VPC, and CloudWatch.

Experience with Infrastructure-as-Code tools such as Terraform or CloudFormation.

Familiarity with scripting languages such as Python, Bash, or PowerShell.

Experience supporting CI/CD pipelines and deployment automation.

Knowledge of cloud networking, TCP/IP, routing, firewall configurations, and system administration (Linux/Windows).

Familiarity with monitoring and observability tools such as Grafana or Dynatrace.

AWS certifications such as Solutions Architect, SysOps Administrator, or DevOps Engineer are advantageous.

Exposure to Azure or Google Cloud Platform is a plus.