# Unix System Administrator (L2/L3)

**Company:** [Unison Group](http://jobs.workable.com/companies/deKpPhPMtQZga7XoPG1tSo.md)
**Location:** Kuala Lumpur, Malaysia
**Workplace:** on site
**Employment type:** Full-time
**Department:** Noresh

[Apply for this job](http://jobs.workable.com/view/112596a9-a09c-4b82-95e9-0c0807149e02)

## Description

### **Job Summary**

We are looking for an experienced **Unix System Administrator** with strong hands-on expertise in **server provisioning, troubleshooting, OS administration, and server upgrade activities**. The candidate should be capable of independently handling production server issues and supporting hosted applications without relying only on SOP/documentation.

This role requires strong problem-solving ability and deep OS-level administration experience across Unix/Linux environments.

### **Key Responsibilities**

-   Provision physical/virtual Unix/Linux servers (manual & automated)
-   Install and configure operating systems
-   Perform server build, deployment, and commissioning
-   Troubleshoot OS-level issues independently
-   Analyze application issues from server perspective
-   Perform **in-place and parallel server upgrades**
-   Manage server hardening and configuration
-   Handle performance troubleshooting
-   Troubleshoot boot issues, file system issues, service failures
-   Monitor logs and system health
-   Support production incidents and critical escalations
-   Perform root cause analysis
-   Work with application, database, and network teams

### **Technical Skills Required**

**Operating Systems**

-   Red Hat Enterprise Linux
-   Oracle Solaris
-   AIX
-   Unix/Linux administration

**Server Administration**

-   Server provisioning
-   OS installation
-   Kickstart / automated build tools
-   Filesystem management
-   User/group administration
-   Service management

**Troubleshooting**

-   Kernel / boot issue troubleshooting
-   Performance analysis
-   Disk / filesystem troubleshooting
-   Process-level debugging
-   Log analysis

**Scripting**

-   Shell scripting
-   Automation basics

**Infrastructure**

-   Virtualization knowledge
-   Network troubleshooting basics
-   Application hosting support