Number of Applicants
:000+
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Key Responsibilities
Provide Level 2 operational support for Windows Server (2016/2019/2022) and Linux (RHEL, Amazon Linux, Ubuntu)
Perform OS-level troubleshooting, service restarts, performance checks, and log analysis
Support Windows services (AD, DNS, GPO, WSUS) and Linux services (systemd, cron, filesystem, package management)
Handle incidents, problems, and service requests via ITSM tools
Support AWS services including EC2, EBS, S3, Systems Manager (Run Command, Patch Manager, Session Manager), and CloudWatch
Assist with instance provisioning, validation, start/stop, resizing, snapshots, and recovery activities
Support UAT and production readiness and BAU handover
Manage VPCs, subnets, route tables, and security groups
Support ingress/egress connectivity and Network Load Balancer (NLB) integrations
Troubleshoot network and firewall-related issues with network teams
Validate connectivity paths for Windows and Linux servers
Perform post-implementation testing from OS perspective
Support CIS hardening, vulnerability remediation, and compliance checks
Assist with IAM role usage and least-privilege access at instance level
Support endpoint protection and monitoring tools (EDR/XDR)
Participate in audits and evidence collection
Perform OS patching using WSUS/SCCM/SSM (Windows) and yum/apt/SSM (Linux)
Support automation using PowerShell, Bash, and AWS CLI
Participate in maintenance windows and on-call rotations
Create and maintain runbooks, SOPs, and knowledge articles
Support operational handover from project build to steady-state support
Required Skills & Experience
5+ years of hands-on Windows and/or Linux support experience
2+ years of AWS operational experience
Experience in enterprise or regulated environments
Windows Server administration (2016/2019/2022)
Linux administration (RHEL / Amazon Linux / Ubuntu)
AWS services: EC2, EBS, S3, IAM (operational usage), Systems Manager, CloudWatch
Understanding of VPC fundamentals, security groups, routing basics
Awareness of Load Balancer (NLB) integrations
Scripting: PowerShell (Windows) and Bash/Shell (Linux)
Preferred Skills & Certifications
AWS Certified SysOps Administrator – Associate
AWS Certified Solutions Architect – Associate
Microsoft Windows Server / Hybrid Administrator certification
Linux certification (RHCSA or equivalent)
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
APBA TG HUMAN RESOURCE PTE. LTD.
About APBA TG Human Resource Pte Ltd APBA TG Human Resource Pte Ltd is a regional human resource consultancy services company with direct investments in human resource solution companies in Asia-Pacific. Our aim is to help our clientele of employers become more successful by providing them with a...
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