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Salary
$56k – $75k per year (gross)
Location
In office (Singapore)
Seniority
Senior · 5+ years exp
Employment
Full-Time

First seen by Alion on Sep 3, 2026.

Overview
Company
Impact
Profile match
We use leading Agile methodologies to accelerate application development with shorter release cycles and more flexibility to keep up with constantly changing.

We are seeking a skilled Linux Engineer to design, implement, and support enterprise Linux-based infrastructure across data centre environments. The role focuses on RHEL/Linux system administration, automation, performance tuning, and platform reliability while supporting mission-critical systems. The ideal candidate will have strong hands-on experience in Linux platforms, infrastructure automation, and enterprise operations, with the ability to operate in a fast-paced, production-critical environment.

Key Responsibilities:

Linux System Administration

  • Install, configure, harden, patch, and maintain Linux systems (primarily RHEL-based distributions)
  • Perform OS tuning, performance optimization, and capacity planning
  • Ensure system security compliance (CIS benchmarks, patching, vulnerability remediation)

Infrastructure Operations

  • Manage Linux systems across development, testing, and production environments
  • Provide Level 3 support for Linux-related incidents and issues
  • Support high availability and disaster recovery configurations

Automation & DevOps

  • Develop and maintain automation using Ansible, Bash, and Python
  • Automate provisioning, patching, and configuration management workflows
  • Continuously improve system efficiency through infrastructure-as-code practices

System Monitoring & Reliability

  • Monitor system health, logs, and performance using enterprise monitoring tools
  • Troubleshoot system bottlenecks, kernel issues, and application dependencies
  • Ensure high system availability and uptime

Hardware & Platform Support

  • Support physical server infrastructure including installation and maintenance
  • Coordinate with vendors and internal teams for hardware-related issues

Documentation & Compliance

  • Maintain documentation of system configurations, procedures, and runbooks
  • Ensure compliance with internal policies, security standards, and audit requirements

Requirement:

  • Minimum 5+ years of experience in Linux system administration in enterprise environments

Core Technical Skills:

  • Strong hands-on expertise in RHEL / Linux (LVM, networking, kernel tuning, system internals)
  • Experience with configuration management tools (Ansible preferred)
  • Proficiency in shell scripting (Bash) and familiarity with Python
  • Experience working in large-scale, production environments

Additional Skills (Preferred):

  • Familiarity with containers (Docker/Kubernetes) is a plus
  • Understanding of security hardening and compliance standards
  • Red Hat certification (RHCSA/RHCE) is highly desirable
  • ITIL certification is an advantage

To apply,simply click the "Apply" button or send your updated profile to [email protected] 

EA Licence No.:18S9405 / EA Reg. No.:R1330864

Percept Solutions is expanding and actively seeking talented individuals. We encourage applicants to follow Percept Solutions on LinkedIn at https://www.linkedin.com/company/percept-solutions/to stay informed about new opportunities and events.

Skills

Container, Linux System Administration, IT Infrastructure Operations, Technical Skills, Vulnerability, Large Scale Systems, 3rd Level Support, Bash, LVM, Disaster Recovery Plans, Hardening, Performance Tuning, Production Environment, Ansible, Linux, Developing Skills

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