RHEL Systems Engineer - Automation, Security & Optimization

NCS Pte Ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

NCS Pte Ltd in Singapore is seeking a detail-oriented System Engineer with deep Red Hat Enterprise Linux expertise to design, implement, and maintain robust Linux infrastructure supporting our enterprise operations.

You will manage RHEL deployments, perform system administration, automation, monitoring, and security hardening, while collaborating with cross-functional teams to deliver reliable, scalable solutions. Experience in scripting and storage is a plus.

Qualifications

• Minimum 3+ years of hands-on experience with Red Hat Enterprise Linux administration and management.
• Strong proficiency in Linux system architecture, kernel concepts, and operating system fundamentals.
• Demonstrated expertise in shell scripting (Bash) and system automation.
• Solid understanding of networking concepts, TCP/IP protocols, and network configuration.
• Experience with storage management, file systems (ext4, XFS), and logical volume management (LVM).
• Proficiency in system performance tuning, monitoring, and diagnostics.
• Knowledge of configuration management principles and tools.
• Strong analytical and problem‑solving skills with meticulous attention to detail.
• Excellent organizational and documentation skills.

Responsibilities

• Design, deploy, and manage Red Hat Enterprise Linux systems and infrastructure across the organization
• Perform system administration tasks including user management, access control, and security configurations
• Analyze system performance metrics and implement optimization strategies to enhance efficiency and reliability
• Develop and maintain shell scripts and automation solutions to streamline operational tasks and reduce manual workload
• Troubleshoot complex system issues and provide timely resolutions with detailed documentation
• Configure and manage storage systems, file systems, and disk partitioning according to organizational standards
• Implement and maintain system monitoring, logging, and alerting solutions to ensure proactive issue detection
• Collaborate with cross-functional teams to support application deployment and infrastructure requirements
• Ensure compliance with security policies and best practices through regular system hardening and vulnerability assessments
• Maintain detailed documentation of system configurations, procedures, and architectural decisions
• Participate in capacity planning and infrastructure upgrades to support business growth
• Provide technical support and guidance to junior team members and other departments

Skills

RHEL administration

Linux architecture

Shell scripting (Bash)

Networking concepts (TCP/IP)

Storage management (ext4, XFS, LVM)

Performance tuning

Configuration management

Analytical/problem-solving

Documentation

Tools

Docker

Kubernetes

Prometheus

ELK Stack

Grafana

Job description

NCS Pte Ltd in Singapore is seeking a detail-oriented System Engineer with deep Red Hat Enterprise Linux expertise to design, implement, and maintain robust Linux infrastructure supporting our enterprise operations.

You will manage RHEL deployments, perform system administration, automation, monitoring, and security hardening, while collaborating with cross-functional teams to deliver reliable, scalable solutions. Experience in scripting and storage is a plus.