SalaryPeak

Linux System Admin

HI5 CONSULTING SOLUTIONS PTE. LTD.
Singapore 7+ years Posted Apr 13, 2026

Salary Range

SGD 78,000 - SGD 108,000 /year

SGD 6,500 - SGD 9,000/month

Skills Required

Review complaintsLeadershipTroubleshootingProblem AnalysisTuningLinux AdministrationRCAStandards CompliancePerformance TuningClusteringInformation Technology and Network Security

Job Description

Key Responsibilities:

- Deliver system reviews, tuning, and resilience improvements

- Resolve incidents, analyze problems, and drive recovery

- Collaborate on solution design and deployment with Engineering teams

- Define and enforce Linux configuration standards

- Provide technical support to development and operations teams

- Lead troubleshooting, RCA, and outsourced technical teams

- Plan and deliver OS upgrades, patching, and software upgrades

- Approve and supervise major change requests

- Conduct performance analysis, tuning, and automation

- Manage backup, recovery, and asset inventory

- Design access control frameworks and monitoring for service reliability

- Mentor junior engineers and support compliance/audit requirements

- Conduct capacity planning and performance management

Functional & Technical Competencies:

- Linux, Solaris, UNIX systems and services (volume manager, NTP, DNS, clustering, etc.)

- Troubleshooting and performance tuning for Linux/UNIX

- Linux server clustering implementation

- Information security knowledge

- Networking and data communication

- Middleware/app execution in Linux/UNIX (an advantage)

Requirements:

- Strong Linux/UNIX administration experience

- Experience with clustering, troubleshooting, and performance tuning

- Knowledge of information security and networking

- Experience with automation and scripting

- Strong problem-solving and leadership skills