Full timeTechnology

Linux System Administrator

Tech Aalto Pte ltdMelbourne, Melbourne🇦🇺AustraliaPosted 25 Oct 2026

Why this role stands out

Elevate your career with Tech Aalto by mastering enterprise-level infrastructure and automation in this impactful role that offers the perfect balance of professional autonomy and hybrid flexibility. You will thrive here if you are a hands-on Linux expert passionate about performance tuning and scaling complex systems within a collaborative, high-growth technical environment. Apply today to sharpen your skills alongside a dedicated team and take a significant step forward in your engineering journey.

Quick overview

SeniorityMid Senior

Employment typeFull Time

Work modeHybrid

LocationMelbourne, Melbourne, Australia

AnsiblePuppetAzureLinux

Job description

Job Title: Linux System Administrator / Engineer
Location: Melbourne
Experience: 4-8 years
Employment Type: Contract

Job Summary

We are seeking a highly skilled and hands onLinux System Administrator / Engineerwith strong expertise in managing, optimizing, and maintainingRed Hat Enterprise Linux (RHEL)environments. The ideal candidate will have deep technical proficiency inperformance tuning,configuration management, andinfrastructure automation, along with practical exposure to large-scale, enterprise-level Linux deployments.

Key Responsibilities

Administer, configure, and maintainRed Hat Enterprise Linux (RHEL)systems across production and non-production environments.
Performperformance tuningof operating systems, kernels, and server hardware to ensure optimal system performance and reliability.
Manage and automate configuration management tasks usingRedHat Satellite, Puppet, and Ansible.
Support and maintain enterprise Linux technology solutions such asCentrify, NTP, and related services.
Conductday-to-day performance monitoring, troubleshooting, and incident management for Linux servers.
ImplementInfrastructure-as-Code (IaC)solutions leveraging tools such asPuppetandAnsible.
Collaborate with cross-functional teams working onvirtualization,networking devices,storage, andMicrosoft Azure environments.
Ensure system compliance with enterprise security, operational, and performance standards.
Participate in on-call support rotation and handle system escalations as required.

Required Skills & Experience

4-8 years of hands on experience inLinux system administration(preferably Red Hat Enterprise Linux).
Deep expertise insystem and kernel performance tuning.
Strong working knowledge ofRedHat Satellite,Puppet, andAnsiblefor automation and configuration management.
Experience withenterprise Linux environmentsintegrating solutions likeCentrify, NTP, and similar technologies.
Practical understanding ofvirtualization platforms,networking fundamentals,storage systems, andcloud environments (Microsoft Azure preferred).
Familiarity withInfrastructure-as-Codeprinciples and tools.
Excellent problem-solving, analytical, and troubleshooting skills.

Preferred Qualifications

Red Hat Certified Engineer (RHCE) or equivalent certification.
Exposure toDevOpsandcloud automationpractices.
Experience working inlarge-scale enterprise environmentswith hybrid infrastructure.

Confidentiality is assured, and only shortlisted candidates will be notified for interviews.