Senior RHEL Systems Engineer - Automation & Infra

NCS Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NCS Pte Ltd in Singapore is seeking a Senior Systems Engineer with deep RHEL expertise to design, implement, and maintain robust Linux-based infrastructure that supports enterprise operations. You will mentor junior engineers, collaborate with cross-functional teams, and drive continuous improvement, staying current with security patches and emerging technologies.

Responsibilities include deployment of RHEL-based solutions, automation scripting, incident troubleshooting, and documentation of

Qualifications

• 7+ years of hands-on Red Hat Linux administration in production environments.
• Strong Linux performance tuning and optimization.
• Scripting for automation (Bash, Python, Perl).
• Experience with configuration management tools such as Ansible, Puppet, or Chef.
• Security hardening and access controls knowledge.
• Experience with enterprise infrastructure design and incident response.

Responsibilities

• Design, deploy, and manage RHEL-based infrastructure meeting requirements and best practices.
• Perform user management, access control, patching, and security hardening.
• Troubleshoot complex issues, document root causes, and implement preventative solutions.
• Develop and maintain automation scripts using Bash, Python, or similar.
• Monitor performance and capacity; analyze metrics and optimize systems.
• Collaborate with app, DB, and network teams to ensure integration.
• Implement and maintain config management for consistency across environments.
• Mentor junior systems engineers and support staff.
• Document architectures, configurations, procedures, and runbooks.
• Stay current with RHEL updates, patches, and technologies.

Skills

Linux administration

Kernel tuning

Scripting: Bash/Python/Perl

Automation & CI/CD

Security hardening

Tools

Ansible

Puppet

Chef

Docker

Kubernetes

OpenStack

Prometheus

ELK/Splunk

Job description

NCS Pte Ltd in Singapore is seeking a Senior Systems Engineer with deep RHEL expertise to design, implement, and maintain robust Linux-based infrastructure that supports enterprise operations. You will mentor junior engineers, collaborate with cross-functional teams, and drive continuous improvement, staying current with security patches and emerging technologies.

Responsibilities include deployment of RHEL-based solutions, automation scripting, incident troubleshooting, and documentation of