System Administrator (Linux / Unix)

ALTROCKS TECH PTE. LTD.; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A technology solutions company in Singapore seeks a talented System Administrator responsible for server installation, administration, and optimization. The candidate will ensure production up-time, provide 24x7 support for critical systems, and perform root cause analysis. Strong experience in RHEL, Solaris, and incident management is necessary for success in this role.

Qualifications

• Experience in RHEL 7/8/9 administration, implementation & troubleshooting.
• Knowledge of VMware and virtualization technologies.
• Willing to be on 24 x 7 stand-by for service contract.

Responsibilities

• Perform installation, administration and optimization of servers.
• Provide 24x7 support to critical production systems.
• Execute root cause analysis of problems.

Skills

RHEL 7/8/9 administration

Linux clustering

OS installation and configuration

Linux security and hardening

Incident management

Tools

Microsoft Azure

IBM AIX

Solaris 10/11

Job description

· Server installation, Administration and performance optimization with RedHat 7/8/9.

· Provides technical assistance and support for applications, hardware problems. Prepare evaluations and reports on system efficiency and utilization

· Innovative and talented System Administrator who will be responsible for production up-time, health check-up of physical systems. Provide 24x7 support to critical production systems and team members.

· Performing root cause analysis of problems. Prepare a plan of action, implement changes, document all work completed

· Good written and verbal communication skills with the ability to communicate technical issues to non-technical and technical audiences.

· Migration Servers from RHEL 7 and 8 to RHEL 9

· Storage addition on RHEL/Solaris and IBM AIX servers

· Solaris 10/11 OS administration tasks with zones/LDOMS and ZFS.

· Make Sure RHEL and Solaris servers have latest security OS patches.

· Knowledge on Microsoft Azure, Load Balancers and Firewalls and OS cluster, Virtualization.

· User administration tasks on RHEL 7/8/9, IBM AIX and Solaris 10/11 servers.

Skillset:

· Experience in RHEL 7,8,9 administration, implementation & Troubleshooting

· Experienced in Linux clustering & VM level Linux cluster

· Experience in OS installation, configuration and fine tuning

· Experience Linux security, OS hardening, Auditing

· Experience NFS / DNS / Automount administration and LVM / GFS / Filesystem administration

· Experience H/W troubleshooting & Vendor coordination

· Experience in Incident management, Change management, Configuration management

· Experience in Log monitoring/maintenance

· Willing to be on 24 x 7 stand-by for service contract and maintenance services in rotating basis