AWS / Infrastructure Engineer

placeToa Payoh scheduleFull-time calendar_month22/4/26

We are seeking a versatile

IT Systems & Infrastructure Administrator

to manage our hybrid environment. You will be responsible for balancing cloud-native operations in

AWS

with hands-on management of our

on-premise data center

This role is critical for ensuring system reliability, cost-efficiency, and seamless infrastructure performance.

Key Responsibilities

AWS Cloud Administration: Manage and scale AWS infrastructure, including EC2, Storage (S3/EBS), IAM, Backups, and CloudWatch monitoring.
Cost & Performance Optimization: Regularly review VM utilization to identify right-sizing opportunities, consolidation, and cost-saving measures.
Server Management: Support both Windows and Linux server environments, including regular patching, alert management, and incident resolution.
Hybrid Infrastructure: Maintain and manage the in-house data center, including physical servers, racks, and network equipment.
Business Continuity: Perform backup validations and maintain up-to-date infrastructure diagrams, runbooks, and disaster recovery procedures.
Vendor & Team Coordination: Collaborate with application teams and external vendors to resolve availability issues and optimize infrastructure performance.

Required Skills & Experience

Cloud Expertise: Proven experience administering AWS environments and managing access via IAM.
System Administration: Strong proficiency in both Windows and Linux OS, including automated patching and monitoring tools.
Hardware Knowledge: Hands-on experience with physical server maintenance and data center networking.
Analytical Mindset: Ability to analyze usage data to optimize infrastructure costs and performance.
Documentation: Experience creating technical documentation, such as network maps and operational runbooks.

Preferred Qualifications

AWS Certified SysOps Administrator or Solutions Architect.
Experience with hybrid cloud connectivity (e.g., AWS Direct Connect or VPN).
Knowledge of virtualization technologies (VMware/Hyper-V)

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