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 current 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.

At Whizdom Recruitment, we're proud to be a 100% Australian-owned business, a Veteran Employer of Choice, and a trusted partner to government and commercial organisations across Australia.

To apply or learn more, reach out at [email protected] or 0480 011 549.

📌 Senior System Administrator Infrastructure Engineer (Sydney)
🏢 Whizdom
📍 Sydney