Senior Systems Engineer (M365)

Australian Gas Infrastructure Group (AGIG); Melbourne; On-site; AUD 120,000 - 150,000; Full time

Benefits offered by this job

Flexible working arrangements

Parental leave

Professional development

Wellbeing program

Volunteer leave

Job summary

Australian Gas Infrastructure Group (AGIG) is seeking a Senior Systems Engineer (M365) to join the Infrastructure & Support team in Melbourne. You will design, implement and enhance Microsoft 365 and cloud collaboration platforms to deliver secure, scalable services supporting AGIG’s digital workplace.

Work closely with the M365 Lead to drive cloud transformation, platform migrations and modernization initiatives while mentoring engineers and collaborating with cyber security and infrastructure

Qualifications

• 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.

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.

Skills

Microsoft 365

Azure services

PowerShell

Identity management

Security & compliance

Cloud security

IAM governance

Education

Information Technology degree

Engineering degree

Computer Science degree

Tools

Microsoft 365 Admin Center

Job description

Who We Are

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 strong 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 Community Partnerships Program: with 2 paid volunteer leave days across the year, join a team that has dedicated over 1,900 volunteer hours, and collectively raised more than $100,000 through donations, fundraising and our dollar matching program.
• Bonus incentive program.
• A range of flexible working arrangements and leave options, including three additional leave days and to option to purchase two weeks of additional leave each year.
• 20 weeks paid parental leave for primary carer.
• Professional Development opportunities to support your career growth.
• Wellbeing and Inclusion program including Employee Assistance Program, annual flu vaccinations and access to free annual skin checks.
• Join in on social activities through our AGIG Social Club.
• Range of rewards and recognition activities across the company.
• Salary Continuance Insurance.

AGIG is committed to a workplace that promotes and recognises the diversity of its employees and the broader community that we serve by applying the principles of equity, fairness and transparency. A diverse and inclusive workplace is consistent with achieving AGIG’s values of Trust, Accountable, Care and One Team.

We are an equal opportunity employer and encourage applications from female, Aboriginal and Torres Strait Island peoples, people from culturally diverse backgrounds and people with disabilities.

As part of the recruitment process, candidates will be required to undertake background checks which include reference checks, police check and a pre-employment medical.

Applications Close: 4.00pm, 11th November 2026