security systems administrator.

About the role:

Are you a delivery-focused security professional looking to make a tangible impact on an ISO certification program? We are seeking a hands-on Senior Security Administrator to join a high-performing team in Brisbane. This contract role is perfect for someone who thrives on designing and embedding practical vulnerability management and patching practices within a complex enterprise environment.

What You Will Do:

• Review existing vulnerability scanning, triage, and patching practices across infrastructure and endpoints.

• Design and document repeatable vulnerability management processes aligned with ISO requirements.

• Establish clear prioritisation workflows, remediation ownership models, and escalation paths.

• Integrate vulnerability management and patching activities into sustainable business-as-usual operations.

• Produce auditable documentation, metrics, and evidence suitable for ISO certification reviews.

What You Need to Apply for This Role:

• Proven experience contributing to vulnerability management or patching within an enterprise IT environment.

• Technical proficiency with AWS and Linux platforms.

• Strong understanding of information security controls and how patching supports audit requirements.

• Experience configuring or rationalising vulnerability scanning and reporting tools.

• Excellent communication skills with the ability to produce high-quality operational documentation.

Interested? Apply Now!

If you are a Senior Security Administrator with experience in vulnerability management and patching, we want to hear from you. Click “Apply Now”.

Alternatively, please reach out to Sian for more information - sian.asnicar@randstaddigital.com.au.

You must be a Brisbane based candidate with unlimited working rights to be considered.

Randstad contractor benefits:

• Access to a Udemy license for ongoing learning and continuous professional development

• Access to exclusive discounts across various platforms

• Discounts on private health funds

• 3 payruns a week

At Randstad, we are passionate about providing equal employment opportunities and embracing diversity to the benefit of all. We actively encourage applications from any background.