Job Description
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Principal Consultant -
DevOps/SRE/Platform
Engineering
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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.
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Key Responsibilities:
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Support and uplift core infrastructure across Wintel and Linux platforms
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Contribute to remediation efforts aligned to Essential Eight security controls
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Assist with patching, hardening, and configuration management across systems
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Troubleshoot and resolve system-level issues in a hybrid environment
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Collaborate with security, network, and cloud teams on cross-functional initiatives
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Key Requirements:
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Strong experience administering Windows Server (Wintel) and Linux (RHEL/CentOS) systems
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Proven experience in large, complex enterprise environments (ideally financial services)
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Solid scripting and automation knowledge (PowerShell, Bash, etc.)
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Familiarity with vulnerability remediation and hardening standards
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Excellent troubleshooting skills and experience in production support
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Highly Desirable:
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Experience or exposure to Airlock/WAF solutions
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Understanding of security frameworks,



particularly the Essential Eight
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Why Apply?
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Be part of a security uplift program that directly contributes to the bank's risk posture
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Work with a highly collaborative and experienced infrastructure team
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Flexible hybrid work model (2-3 days in the Sydney office)
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Day rate contract with potential for extension
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Seniority level
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Seniority level
Mid-Senior leveln
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Employment type
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Employment type
Contractn
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Job function
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Job function
Information Technologyn
Industries
Bankingn
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📌 Senior Systems Administrator - Linux + Windows (New South Wales)
🏢 Talenza
📍 New South Wales