Job Description

Role: Infrastructure Engineer
n Day Rate: $650 - $668 + Super
n Contract Length: 12-months (high chance of extension)
n Location: Ultimo/WFH Flex
n We are looking for a senior, hands-on Infrastructure Engineer with deep experience across Active Directory, Windows Server and VMware, and a solid background delivering AD security, hardening and remediation initiatives in complex enterprise environments.

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The role will suit an engineer who is comfortable maintaining critical Windows infrastructure, but who can also take ownership of security-focused Active Directory initiatives and work closely with Architecture, Cyber Security and project teams.

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The Role

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You'll be responsible for supporting, administering and improving core server infrastructure, with a particular focus on Active Directory, Windows Server and VMware.

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Key Responsibilities

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- Engineering, administering and supporting enterprise Active Directory environments
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- Driving AD security uplift, hardening and remediation initiatives
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- Managing Domain Controllers, DNS, DHCP, Group Policy and related identity infrastructure
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- Supporting complex multi-domain and/or multi-forest Active Directory environments
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- Identifying AD security risks and implementing appropriate remediation
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- Administering Windows Server 2016-2022
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- Managing VMware environments through vCenter 7+
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- Performing VMware ESXi host upgrades, patching and lifecycle activities
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- Managing Windows Server patching through Microsoft Endpoint Configuration Manager (MECM/SCCM)
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- Troubleshooting complex infrastructure, identity and server-related issues
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- Working closely with Cyber Security, Architecture and project teams
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- Contributing to infrastructure design, documentation, change and continuous improvement
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About You

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- Active Directory Domain Services
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- DNS and DHCP
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- Group Policy design, administration and hardening
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- Active Directory security and remediation projects
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- Windows Server 2016, 2019 and 2022
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- VMware vSphere / vCenter 7+
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- ESXi administration and upgrades
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- MECM / SCCM for Windows Server patching
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- Enterprise infrastructure troubleshooting and root-cause analysis
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We are particularly interested in candidates who can demonstrate experience personally driving security-focused AD initiatives such as:

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- AD and GPO hardening
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- Privileged access remediation
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- Service account / gMSA improvements
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- Domain and forest trust remediation
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- PKI / certificate-related security
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- Legacy authentication remediation
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- Security baseline implementation
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- Multi-domain or multi-forest AD remediation
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- Working with Cyber Security teams to address identity and infrastructure risk
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Experience in any of the following would be highly regarded:

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- Linux - RHEL and/or Ubuntu
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- Microsoft Hyper-V
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- Cisco UCS and/or HyperFlex
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Beyond the technology, you'll be someone who communicates clearly, approaches problems analytically and can work effectively across BAU, architecture and project teams.

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This role will suit an experienced Infrastructure Engineer who enjoys being technically hands-on while still having exposure to strategic infrastructure projects and enterprise-scale environments.

📌 Infrastructure Engineer - Active Directory & Windows Server (New South Wales)
🏢 Talenza
📍 New South Wales