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Australian Gas Infrastructure Group (AGIG) owns, operates and invests in infrastructure which delivers gas to more than two million homes and businesses, and is one of the largest gas infrastructure businesses in Australia. AGIG manages distribution networks, transmission pipelines and storage capacity. AGIG recently grew to over 1200 employees. We also manage a large contractor workforce, who provide both specialist and operating and maintenance services on AGIG’s gas distribution networks.

Our business is actively participating in the energy transition by delivering the natural gas needed today and advancing solutions for the future. Our Net Zero Ambition and emissions reduction targets outline our ongoing commitment to a sustainable energy future. We know that Australia’s energy transition will require a diverse range of energy supply. We will continue to work with customers and stakeholders to deliver and develop the energy infrastructure solutions essential to lowering emissions – including through natural gas, renewable gas and carbon capture and sequestration solutions.

About the Opportunity

We have an exciting opportunity for an experienced Senior Systems Engineer (M365)to join our Infrastructure & Support team at Australian Gas Infrastructure Group (AGIG).

Working closely with the Cloud Platforms & M365 Lead, you will play a key role in designing, implementing and enhancing our Microsoft 365 and cloud collaboration platforms, ensuring secure, reliable and scalable services that support our evolving business needs.

You will have the opportunity to contribute to cloud transformation initiatives,



provide senior technical guidance and collaborate with teams across the business to deliver meaningful technology improvements. Your expertise will help strengthen platform security, enhance service delivery and support the continued evolution of AGIG’s digital workplace.

Key Responsibilities

- Design, implement and support Microsoft 365 services and cloud collaboration platforms, ensuring secure, reliable and high-performing solutions.
- Deliver cloud and workplace transformation initiatives, including platform migrations, modernisation and service enhancements.
- Develop and maintain technical standards, configuration baselines, documentation and governance practices to support consistent platform management.
- Provide senior technical expertise in resolving complex Microsoft 365 and cloud platform issues, supporting effective incident and problem management.
- Drive platform optimisation, automation and continuous improvement using Microsoft-native technologies and PowerShell.
- Support identity and access management, platform security, compliance and vulnerability remediation in collaboration with Cyber Security and infrastructure teams.
- Mentor engineers, collaborate with managed service providers and contribute to future-state architecture and technology planning.

About You

You’re an experienced and collaborative technology professional who enjoys sharing knowledge,



exploring innovative solutions and supporting others to succeed. You combine solid Microsoft cloud expertise with a thoughtful approach to problem-solving and the confidence to guide technical decisions.

You’ll bring:

- Approximately 5–8 years of experience managing and supporting Microsoft 365, cloud platforms or enterprise infrastructure environments.
- Strong technical expertise across Microsoft 365, Microsoft Entra ID, Azure platform services and collaboration technologies.
- Experience delivering Microsoft cloud transformation initiatives, platform migrations or modern workplace projects.
- Demonstrated capability administering complex enterprise-scale Microsoft 365 environments, including identity and access management.
- Experience with PowerShell, platform automation, service optimisation and continuous improvement.
- Sound understanding of cloud security, governance, compliance, IT service management and operational best practices.
- Tertiary qualifications in Information Technology, Engineering, Computer Science or a related discipline, relevant Microsoft certifications and/or equivalent practical experience.

What We Offer

- We are proud to be recognised as an inclusive employer by Diversity Council Australia, and our commitment to diversity and inclusion has earned us recognition in 2025-2026. Join us to be part of a team that values and celebrates differences, ensuring that everyone’s voice is heard and respected.
- AGIG is proudly recognised by WORK180 as a committed and supportive employer of choice for women, reflecting our dedication to creating a diverse, inclusive, and equitable workplace.
- Dive into a culture that supports the community through the

📌 Senior Systems Engineer (Australia)
🏢 Australian Gas Infrastructure Group
📍 Australia