Ready to take ownership of a complex enterprise infrastructure environment?

We're looking for an experienced Windows System Administrator to join a high-performing Managed Services team supporting a major enterprise customer in Port Melbourne.

This is a hands-on, customer-facing role suited to someone who enjoys solving infrastructure problems, working autonomously and supporting business-critical technology environments.

What You'll Be Doing You'll support the ongoing availability, performance and security of enterprise server infrastructure.

Your day-to-day will include

- Administering and supporting Windows Server environments
- Installing and configuring server hardware, software, firmware and drivers
- Supporting VMware environments, including vCenter, vCloud and vSphere
- Managing Active Directory, DNS, DHCP and Group Policy
- Monitoring server availability, performance, backups and capacity
- Managing server access and security controls
- Deploying application and infrastructure changes
- Supporting data migration and replication between sites
- Troubleshooting incidents and providing first-level technical support
- Escalating complex issues to specialist support teams
- Maintaining technical documentation and configuration records
- Collaborating directly with customers and internal IT stakeholders

Windows System Administrator | 12-Month Contract Port Melbourne | 2:00pm-10:00pm Shift | NV1 Clearance Required

Ready to take ownership of a complex enterprise infrastructure environment?

We're looking for an experienced Windows System Administrator to join a high-performing Managed Services team supporting a major enterprise customer in Port Melbourne.

This is a hands-on, customer-facing role suited to someone who enjoys solving infrastructure problems,



working autonomously and supporting business-critical technology environments.

What You'll Be Doing You'll support the ongoing availability, performance and security of enterprise server infrastructure.

Your day-to-day will include

- Administering and supporting Windows Server environments
- Installing and configuring server hardware, software, firmware and drivers
- Supporting VMware environments, including vCenter, vCloud and vSphere
- Managing Active Directory, DNS, DHCP and Group Policy
- Monitoring server availability, performance, backups and capacity
- Managing server access and security controls
- Deploying application and infrastructure changes
- Supporting data migration and replication between sites
- Troubleshooting incidents and providing first-level technical support
- Escalating complex issues to specialist support teams
- Maintaining technical documentation and configuration records
- Collaborating directly with customers and internal IT stakeholders

What We're Looking For Technical Skills & Experienc

- 3-5+ years' experience in Windows Systems Administration
- Experience supporting complex corporate infrastructure environments
- Strong Windows Server and Active Directory capability
- VMware experience
- Knowledge of DNS, DHCP and Group Policy
- Experience with SCCM and SCOM
- Server hardware installation and configuration experience
- Backup and recovery administration knowledge
- Linux and storage administration exposure




- Network and LAN troubleshooting experience
- ServiceNow or similar ITSM platform experience
- Scripting or infrastructure automation exposure
- Strong troubleshooting, documentation and problem-solving skills
- IT qualification or equivalent practical experience

Experience with Avamar, Data Domain, NetApp, Networker, VxRail, Unity, Citrix or hyperconverged infrastructure will be highly regarded.

About You You're someone who:

- Works confidently and autonomously with minimal direction
- Takes ownership of technical issues through to resolution
- Communicates effectively with technical and non-technical stakeholders
- Delivers strong customer service in an onsite environment
- Remains calm and organised under pressure
- Can manage competing priorities in a quick-paced environment
- Enjoys learning new technologies and contributing to a collaborative team

Contract Details

- 12-month contract
- Based onsite in Port Melbourne
- Monday to Friday, 2:00pm-10:00pm
- 37.5 hours per week
- Some after-hours, weekend or on-call work may occasionally be required
- Own car and current driver's license required
- Mileage reimbursed where applicable

Security Clearance Requirement

This position is only open to Australian Citizens with a current NV1 Australian Government Security Clearance.

Candidates must also meet applicable ITAR and background-check requirements.

Why This Opportunity

- Long-term contract with a global technology environment
- Hands-on ownership of enterprise infrastructure
- Broad exposure across Windows Server, VMware, networking, storage and backup technologies
- Varied and technically engaging work
- Collaborative Managed Services team
- Consistent weekday afternoon shift

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📌 Windows System Administrator (Melbourne)
🏢 The Onset
📍 Melbourne