Overview
Support and operate Windows and Linux workloads on AWS across UAT and Production, focusing on daily operations, troubleshooting, and maintaining a secure, stable cloud environment.
Responsibilities
- Provide Level 2 support for Windows Server (2016/2019/2022) and Linux (RHEL, Amazon Linux, Ubuntu)
- Perform troubleshooting, service restarts, performance monitoring, and log analysis
- Manage core services:
- Windows: AD, DNS, GPO, WSUS
- Linux: systemd, cron, filesystem, package management (yum/apt)
- Handle incidents, problems, and service requests via ITSM tools
- Support AWS services: EC2, EBS, S3, Systems Manager (SSM), CloudWatch
- Perform instance provisioning, validation, start/stop, resizing, snapshots, and recovery
- Ensure operational readiness for UAT and Production environments
- Support networking components: VPCs, subnets, route tables, security groups
- Troubleshoot connectivity, firewall, and load balancer (NLB) issues
- Work with network teams to validate connectivity and perform testing
- Support security and compliance: CIS hardening, vulnerability remediation, IAM roles
- Assist with endpoint protection tools and audit/compliance activities
- Perform OS patching using WSUS, SCCM, yum, apt, and SSM Patch Manager
- Use PowerShell, Bash, and AWS CLI for automation and remediation
- Participate in maintenance windows and on-call rotations
- Maintain runbooks, SOPs, and knowledge articles
- Support transition from project delivery to steady-state operations
Requirements:
- 5+ years hands on experience in Windows/Linux OS support
- 2+ years supporting workloads on AWS.
- Experience in enterprise or regulated environment
- Windows Server administration (2016/2019/2022)
- Linux administration (RHEL / Amazon Linux / Ubuntu)
- AWS: EC2, EBS, S3, IAM, Systems Manager (SSM), CloudWatch
- Networking fundamentals: VPCs, security groups, routing, load balancers (NLB)
- Scripting: PowerShell and Bash
- Strong troubleshooting and incident management
- Good communication and teamwork
- Process-driven with attention to documentation
- Proactive mindset and willingness to learn
Preferred Certifications:
- AWS Certified SysOps Administrator- Associate
- AWS Certified Solutions Architect- Associate
- Microsoft Windows Server / Hybrid Administrator certification
- Linux certification (RHCSA or equivalent)
- ITIL Foundation (v3/v4)
If you are keen, please email your updated resume to [email protected]
EA License no.14C7275/Registration no. R1434860
Please take note that only shortlisted candidate will be contacted. Thank you.
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- Posted
- Apr 14, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Central Singapore Community Development Council
- Company
- TG Singapore
Industries
Categories
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