Unix Engineer

Lenovo PCCW Solutions; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading technology solutions provider in Singapore is seeking a System Administrator with expertise in RHEL 7/8/9. Responsibilities include server installation, performance optimization, and providing 24x7 support for critical production systems. The ideal candidate will have experience in Linux administration, troubleshooting, and security. The role requires the ability to communicate technical issues effectively and engage in incident management and change management processes.

Qualifications

• Experience in RHEL 7, 8, 9 administration, implementation & Troubleshooting.
• Experience in Linux clustering & VM level Linux cluster.
• Experience in OS installation, configuration and fine tuning.
• Experience in Incident management, Change management.
• Willing to be on 24x7 standby for service contract.

Responsibilities

• Server installation and performance optimization with RedHat.
• Provide 24x7 support to critical production systems.
• Prepare evaluations and reports on system efficiency.
• Perform root cause analysis and implement changes.

Skills

RHEL 7/8/9 administration

Linux clustering

OS installation

Linux security

NFS / DNS administration

H/W troubleshooting

Log monitoring

Shell scripting

Public cloud knowledge

Tools

Ansible

Splunk

Apache

Tomcat

Job description

Responsibilities

• 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.

YOU BRING

• 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 Log monitoring/maintenance
• Engage in the maintenance and support activities, which include perform troubleshooting, incident response, and patching in a timely manner.
• Work with end users, architects and team lead in developing and implementing Unix and Linux related configuration changes based on requirements.
• Evaluate Unix and Linux platforms architecture and make recommendations as required.
• Coordinate with vendors and support team on problem resolution, implementation issues and upgrades.
• Good Experience Redhat OS repo creation & Troubleshooting for Patching ( Red hat Satellite management experience preferred )
• Willing to be on 24 x 7 stand-by for service contract and maintenance services in rotating basis
• Deep Experience Linux Crash dump analysis, logs analysis
• Experience in Squid Proxy server, Splunk installation, SMTP server , Apache & Tomcat webserver
• Good experience in automating with Shell scripting and ansible
• Basic experience in Public cloud knowledge