senior operational systems architect.

Are you an experienced systems architect looking to make a significant impact on critical infrastructure?

We are seeking a Senior Operational Systems Architect to provide high-level architectural oversight, maintain core software platforms, and integrate advanced cyber security principles within a complex operational technology environment.

If you thrive on solving technical challenges and ensuring the reliability of essential hosting environments, this is the perfect opportunity to further your career.

What You Will Do:

• Perform design activities and maintain architectural documentation for Operational Technology (OT) server hosting and core software platforms.
• Analyse current infrastructure to provide strategy suggestions and recommend changes that improve system reliability and performance.
• Provide architectural oversight on projects, attending workshops and liaising with stakeholders to meet business and system requirements.
• Review and integrate cyber security principles, such as IEC62443 and system hardening, into the OT system architecture.
• Provide Level 3 support to diagnose and resolve complex faults and incidents within the hosting environment.

What You Need to Apply for This Role:

• Practical experience in designing and maintaining server and computer infrastructure specifically within OT or ICS environments.
• Deep technical expertise with Windows and Linux Operating Systems, alongside Hyper-V and VMware virtualisation platforms.
• Demonstrated experience applying OT/ICS cyber security standards and implementing vendor hardening best practices.
• A minimum of 5 years of professional experience working with Information Technology systems.
• Strong communication skills to provide technical guidance and advise teams on complex architectural questions.

Interested? Apply Now!

If you are a Senior Operational Systems Architect with experience in IEC62443 and system hardening, we want to hear from you. Click “Apply Now”.

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
• Weekly payrun

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.