Senior Systems Administrator - Linux + Windows

Talenza; Sydney; Hybrid; AUD 103,320 - 137,760; Full time

Benefits offered by this job

Flexible hybrid work model

Collaborative infrastructure team

Job summary

A leading Australian banking institution is seeking a Principal Consultant specializing in DevOps/SRE/Platform Engineering. This high-impact role requires experienced Systems Administrators to uplift core infrastructure and ensure robust security measures. Join a collaborative team where your expertise will enhance core operations and contribute significantly to the organization's cybersecurity strategy.

Qualifications

• Strong experience administering Windows Server and Linux (RHEL/CentOS) systems.
• Proven experience in large, complex enterprise environments.
• Solid scripting and automation knowledge including PowerShell and Bash.

Responsibilities

• Support and uplift core infrastructure across Wintel and Linux platforms.
• Contribute to remediation efforts aligned to Essential Eight security controls.
• Collaborate with security, network, and cloud teams on cross-functional initiatives.

Skills

Systems Administration

Troubleshooting

Scripting

Security frameworks understanding

Job description

1 day ago Be among the first 25 applicants

This range is provided by Talenza. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

A$75.00/hr - A$100.00/hr

Direct message the job poster from Talenza

Principal Consultant - DevOps/SRE/Platform Engineering

Are you a skilled Systems Administrator with deep experience across both Wintel and Linux environments? We're working with a leading Australian banking institution on a critical uplift program aligned to the Essential Eight cybersecurity framework. This is a high-impact role within a fast-paced, enterprise-scale environment.

Key Responsibilities:

Support and uplift core infrastructure across Wintel and Linux platforms

Contribute to remediation efforts aligned to Essential Eight security controls

Assist with patching, hardening, and configuration management across systems

Troubleshoot and resolve system-level issues in a hybrid environment

Collaborate with security, network, and cloud teams on cross-functional initiatives

Key Requirements:

Strong experience administering Windows Server (Wintel) and Linux (RHEL/CentOS) systems

Proven experience in large, complex enterprise environments (ideally financial services)

Solid scripting and automation knowledge (PowerShell, Bash, etc.)

Familiarity with vulnerability remediation and hardening standards

Excellent troubleshooting skills and experience in production support

Highly Desirable:

Experience or exposure to Airlock/WAF solutions

Understanding of security frameworks, particularly the Essential Eight

Why Apply?

Be part of a security uplift program that directly contributes to the bank's risk posture

Work with a highly collaborative and experienced infrastructure team

Flexible hybrid work model (2-3 days in the Sydney office)

Day rate contract with potential for extension

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Contract

Job function

• Job function

  Information Technology

• Industries

  Banking

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