System Administrator (Vulnerability Specialist)

DavidsonBrisbane, Australia

27 days ago

Job description

System Administrator (Vulnerability Specialist)

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System Administrator (Vulnerability Specialist)

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

Base pay range

A$850.00 / daily - A$920.00 / daily

Location : Brisbane, QLD

Contract duration : 10-month contract with possible extension

Flexibility : Hybrid working arrangements

Our Client :

A large government organisation undergoing a major Cyber Security uplift, focused on remediating vulnerabilities and enhancing system security across a broad technology stack.

The role :

As a System Administrator (Vulnerability Specialist), you'll be at the forefront of cyber resilience, driving remediation and patching initiatives across diverse systems. Reporting to the Cyber Security Director, you'll implement patching strategies, automate deployments, and improve security posture in line with the ACSC Essential 8 framework.

Responsibilities :

Remediate vulnerabilities through OS and application patching, upgrades, and configuration changes
Lead the full lifecycle of vulnerability remediation : planning, testing, change control, and implementation
Automate patching for servers, workstations, mobile, and IoT devices
Configure and manage patch deployment platforms like Intune, Azure Update Manager, and GPO
Collaborate with infrastructure and security teams to improve compliance and reduce risk
Use scripting and policy enforcement to drive secure configurations across all devices
Contribute to policy and process improvements aligned with ITSM frameworks

Skills & Experience :

5+ years in System Administration or IT Operations across complex environments

Strong expertise in patching, upgrades, and enterprise infrastructure security

Hands-on with Windows Server, Active Directory, SQL, VMware, Commvault, and Group Policy

Skilled in Intune, Azure Update Manager, server monitoring, and automation tools

Scripting experience and Linux proficiency for automation and remediation tasks

Proven problem-solving under pressure with knowledge of ITIL / ITSM frameworks

Hybrid work model for better work-life balance

Opportunity to make a meaningful impact in government cyber security uplift

Work across a modern and diverse tech environment

How to apply :

Please apply with current resume in Microsoft Word format only (.doc or .docx). , reference JN -082025-40970. We are experiencing a large number of applications currently, please apply directly to the job advert, emails may be missed or not receive a reply.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

Technology, Information and Media

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System Administrator • Brisbane, Australia

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