Senior Infrastructure Engineer

Ac3 Australia; Wellington; On-site; NZD 110,000 - 160,000; Full time

Job summary

Ac3 Australia is seeking a Senior Infrastructure Engineer to support a large, complex ICT environment in Wellington. You will work across cloud and on‑premises infrastructure, focusing on Azure, AD/AD‑related services, Windows Server, vSphere and Exchange, while driving automation and security improvements.

The role involves mentoring engineers, collaborating with stakeholders and delivering reliable enterprise services in a fixed‑term contract that includes DR, backup, and ongoing

Qualifications

• Strong Microsoft Azure experience including deployment, administration and security.
• Extensive Active Directory / Azure ADExperience including Group Policy and identity access management.
• Proven experience with Windows Server, VMware and Microsoft Exchange.
• Experience with Citrix administration, virtualization and enterprise storage technologies.
• Solid networking, security, backup and disaster recovery knowledge.
• Experience with PowerShell scripting, automation and infrastructure management tools.

Responsibilities

• Manage and support enterprise infrastructure across Azure and on‑premises environments.
• Administer AD, Azure AD, Group Policy, Exchange and Windows Server environments.
• Support VMware, Citrix, storage and related infrastructure technologies.
• Monitor performance, availability, security and capacity of infrastructure.
• Troubleshoot complex incidents and implement upgrades and improvements.
• Develop automation scripts and adopt Infrastructure as Code practices.

Skills

Microsoft Azure

AD/Azure AD

Windows Server

VMware

Citrix

Networking

PowerShell automation

Security

Infrastructure as Code

Backup & DR

Education

MCSE or equivalent

ITIL certification

Bachelor’s in IT or related field

Tools

VMware vSphere

Citrix Virtual Apps

Microsoft Exchange

PowerShell

Azure Monitor

Job description

• IT & Telecomms
• IT - Other
• Wellington, New Zealand
• Contract or Temp
• Enterprise Cloud Infrastructure
• 6 month fixed term contract
• Wellington, New Zealand

We are seeking an experienced Senior Infrastructure Engineer to join a large, complex organisation supporting critical services across New Zealand.
This is an excellent opportunity for a technically strong infrastructure professional who enjoys working across both cloud and on-premises environments, solving complex technical challenges and ensuring the reliability, security and performance of enterprise ICT systems.

You will play a key role in maintaining and improving infrastructure services, supporting business-critical operations and contributing to infrastructure projects and continuous improvement initiatives.

Key Responsibilities

• Manage, maintain and support enterprise infrastructure across Microsoft Azure and on-premises environments.
• Administer Active Directory, Azure Active Directory, Group Policy, Microsoft Exchange and Windows Server environments.
• Support VMware virtualisation, Citrix, storage systems (SANs) and associated infrastructure technologies.
• Monitor infrastructure performance, availability, security and capacity.
• Troubleshoot and resolve complex infrastructure incidents and technical issues.
• Implement infrastructure upgrades, maintenance activities and system improvements.
• Develop automation scripts and leverage Infrastructure as Code practices to streamline operations.
• Manage backup, disaster recovery and business continuity procedures.
• Provide technical guidance and mentoring to infrastructure engineers.
• Collaborate with internal stakeholders, technical teams and external vendors to deliver reliable ICT services.

Skills & Experience

To be successful in this role, you will bring:

• Strong Microsoft Azure experience, including deployment, administration, security and monitoring.
• Extensive Active Directory and Azure AD experience, including Group Policy and identity/access management.
• Proven experience supporting Windows Server, VMware and Microsoft Exchange.
• Experience with Citrix administration, virtualisation and enterprise storage technologies.
• Strong understanding of networking, infrastructure security, backup and disaster recovery.
• Experience with PowerShell scripting, automation and infrastructure management tools.
• Demonstrated experience working within large, complex enterprise ICT environments.
• Excellent troubleshooting, analytical and problem-solving capabilities.
• Strong communication skills and the ability to work collaboratively with technical and non-technical stakeholders.

Desirable:

• Microsoft certifications (MCSE or equivalent).
• ITIL certification.
• Experience supporting distributed enterprise infrastructure environments.

Why Apply?

• Work within a large-scale, complex ICT environment.
• Gain exposure to a broad range of Microsoft cloud and enterprise infrastructure technologies.
• Contribute to meaningful infrastructure improvements and critical technology services.
• Join a collaborative technical team where your expertise and initiative will be valued.