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Full timeTechnology

Senior System Administrator Infrastructure Engineer

WhizdomSydney, Sydney🇦🇺Australia

Why this role stands out

Accelerate your professional trajectory at Whizdom, where you will leverage your deep expertise in cloud and Linux systems to drive high-impact digital transformation projects for major public sector clients. This hybrid role is perfect for a detail-oriented engineer who thrives on solving complex architectural challenges and is eager to work within a collaborative, innovative team environment. Apply today to secure this multiyear opportunity and take the next significant step in your technology career.

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeHybrid
LocationSydney, Sydney, Australia
AWSDNSVMware

Job description

Senior System Administrator Infrastructure Engineer

Contract Duration: Multiyear contract (commencing February 2027)


Location - ACT OR NSW


Clearance - NV-1 Security Clearance Required


About the client:

Our client is a 100% Australian-owned, next-generation technology services organisation specialising in digital transformation, quality engineering and AI-powered digital solutions. The organisation delivers end-to-end technology services across Microsoft and AWS ecosystems, combining deep technical expertise with intelligent automation and modern engineering practices.


Working across public sectors, the organisation supports clients in industries including government, banking and financial services, insurance, healthcare, energy and utilities, education, and payments. Its capabilities span Microsoft solutions, cloud, AI-powered digital engineering, next-generation quality engineering, DevSecOps, automation and application development


Key Responsibilities:

  • Minimum 5 years' experience in Linux systems administration across on-prem and cloud environments.

  • Deep expertise in VMware and VMware Aria, including design, deployment, and lifecycle management.

  • Strong networking knowledge, including experience configuring and troubleshooting VLANs, DNS, load balancers, and firewall rules.

  • Experience deploying and configuring sandboxed (or isolated) environments.

  • Experience deploying developer and analyst tooling, including IDE environments, package management, and access controls.

  • Ability to create and maintain system documentation and standard operating procedures.


Key Skills & Experience:

  • Ability to learn, deploy and maintain new applications.

  • Knowledge in client-server architecture.

  • Knowledge in designing and creating software solutions around best practices and scale.

  • Knowledge in ASD Essential 8.


Security Requirements:

Applicants must be Australian Citizens and hold a current TSPV Security Clearance.

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