Linux/Citrix System Administrator (Minimum 5 Years' Experience), Singapore

Role: Linux/Citrix System Administrator (Minimum 5 Years' Experience) Location:
Singapore Duration:
12 Months (Extendable)
Key Responsibilities • Perform system reviews, proactive tuning, and resilience improvements • Work with engineering teams on solution design, planning, and configuration • Establish standards for Linux system software (availability, monitoring, backup/recovery) • Drive system troubleshooting, recovery, and root cause analysis • Review/approve change requests and oversee execution of major changes • Automate routine operational tasks • Drive patching and OS/software upgrades • Implement strong monitoring for performance and stability • Enhance supportability and recovery using modern technologies • Provide OS expertise during project phases (design
implementation
handover) • Support audit and compliance requirements • Work under a
24×7 shiftbased support
model • Respond promptly to incidents, alerts, and support requests
Functional & Technical Competencies • RHEL/Oracle Linux, UNIX hardware & system services (NTP, NFS, DNS, clustering, TSM, ITM, SSH, etc.) • Citrix administration experience • OS upgrade/migration leadership • Troubleshooting & tuning for Linux/UNIX, Storage/Backup, Citrix • VCS clustering implementation/administration • Server hardening knowledge • Middleware (Connect:Direct, SSH) experience • Scripting:
Bash, Python, Perl • Linux certification (advantage) • Satellite & CI/CD experience