Sr System Engineer ( Wintel)

Location: Melbourne, VIC, Australia, Sydney, Canberra, ACT, Australia

Time Type: Full time

Job Description

What success looks like in this role:

Key responsibilities

• Operate and maintain Windows Server environments - including patching, hardening, and troubleshooting. 
• Manage PKI and certificate lifecycle - design, issue, renew, and revoke certificates; administer KeyFactor Command.
• Administer Active Directory and Domain Controllers - including GPOs, replication, and AD health. 
• Support cloud identity and connectivity - Entra Connect, Entra ID, and integration with on‑prem systems. 
• Manage AWS Connect - integrations and related cloud services. 
• Deploy and support Azure Virtual Desktop - environments and user profiles. 
• Administer Nerdio - or AVD provisioning and management. 
• Participate in incident response, root cause analysis, and postmortems.
• Automate operational tasks using scripting where appropriate. 
• Document runbooks, run regular health checks, and provide knowledge transfer.

Required skills and experience

• Proven experience with Windows Server administration.
• Strong knowledge of PKI and certificate management - experience with KeyFactor Command preferred. 
• Hands‑on Active Directory and Domain Controller experience.
• Experience with Entra Connect and Entra ID - configuration and troubleshooting. 
• Familiarity with Azure AVD and Nerdio - for desktop virtualization. 
• Experience integrating on‑prem identity with cloud services.
• Scripting skills - for automation and operational tasks. 
• Solid troubleshooting and incident management skills.
• Good communication skills and ability to work within cross‑functional teams.

 NV1 security clearance must have for this role.

Nice to have

• VMware - administration experience. 
• CyberArk Machine Identity or other machine identity management experience. 
• Experience with AWS services. 
• Certifications such as Microsoft Certified - Azure Administrator, Microsoft Certified: Identity and Access Administrator, or relevant security certifications.

#LI-AP1

You will be successful in this role if you have:

BA/BS degree and 6-8 years’ relevant experience OR equivalent combination of education and experience

Microsoft Certifications

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