Senior Identity & Cloud Infrastructure Engineer

Unisys; Sydney; On-site; AUD 90,000 - 130,000; Full time

Job summary

Unisys in Sydney, Australia, is seeking a skilled identity and cloud infrastructure specialist to support and maintain enterprise Windows Server, PKI, and cloud services across on‑premises and cloud environments.

You will administer Active Directory, Entra ID/Entra Connect, Keyfactor Command, and collaborate on Azure Virtual Desktop, Nerdio, and AWS-integrated solutions to ensure availability, security, and compliance through incident management and automation.

Qualifications

• Proven experience administering Windows Server environments.
• Strong PKI and certificate management, preferably Keyfactor Command.
• Hands-on Active Directory and Domain Controllers administration.
• Experience with Entra Connect and Entra ID.

Responsibilities

• Operate and maintain Windows Server environments including patching and hardening.
• Manage PKI and certificate lifecycle; administer KeyFactor Command.
• Administer Active Directory and Domain Controllers; manage GPOs and replication.
• Support cloud identity and connectivity with Entra Connect/Entra ID; integrate with on-prem systems.
• Automate tasks via scripting; document runbooks and health checks.

Skills

Incident management

Automation scripting

Strong communication

Cross-functional teamwork

Troubleshooting

Security clearance NV1

Tools

Windows Server

Active Directory

Entra Connect

Entra ID

Keyfactor Command

Azure Virtual Desktop

Nerdio

AWS-integrated solutions

Job description

Unisys in Sydney, Australia, is seeking a skilled identity and cloud infrastructure specialist to support and maintain enterprise Windows Server, PKI, and cloud services across on‑premises and cloud environments.

You will administer Active Directory, Entra ID/Entra Connect, Keyfactor Command, and collaborate on Azure Virtual Desktop, Nerdio, and AWS-integrated solutions to ensure availability, security, and compliance through incident management and automation.