Date: 22 Jun 2026

Location: Sydney, Australia

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Company: Singtel Group

Optus is a leading Telecommunications company that is known for delivering innovative solutions to its customers, disrupting the industry, and evolving into a technology-led organisation with a diverse range of products and services. With a strong commitment to excellence and a customer-centric approach, we are focused on advancing our environmental sustainability agenda to support responsible growth and long-term value creation.

What You’ll Do

Partnering closely with senior Sustainability, Finance, Risk, and operational stakeholders across the organisation, you will be responsible for:

Acting as Subject Matter Expert for the Environment Sustainability function, establishing a centre of excellence for environmental strategy, governance, and reporting across the organisation

Defining and delivering enterprise-wide environmental roadmaps aligned to organisational objectives, including emissions reduction, climate transition planning, and sustainability initiatives

Owning Scope 1 and 2 emissions measurement, target setting, and performance reporting, with a strong focus on infrastructure and operational impact drivers

Driving alignment of environmental practices with regulatory requirements and industry frameworks, translating complex standards into practical actions for the business

Embedding environmental considerations into decision-making, partnering across Procurement, Networks, Property, and broader business units

Leading climate scenario analysis and supporting climate-related financial disclosures in collaboration with Finance and Risk functions

Overseeing sustainability data management, ensuring integrity, governance, and accuracy of environmental metrics and reporting

Managing external assurance processes and acting as the primary interface with auditors for sustainability-related reporting

Championing a culture of sustainability awareness, capability uplift, and continuous improvement through training and engagement initiatives

Modelling organisational values and driving a culture of accountability, collaboration, and positive environmental impact

What You’ll Bring

Minimum 10+ years of experience in sustainability, environmental management, or related disciplines, with leadership experience in complex organisations

Strong expertise in environmental frameworks and standards (e.g., GHG Protocol, climate disclosure requirements, ESG reporting frameworks)

Proven experience delivering enterprise-wide sustainability or transformation initiatives

Strong analytical capability with experience managing complex datasets and reporting requirements

Demonstrated ability to influence senior stakeholders and drive cross-functional outcomes

Experience working in regulated or compliance-driven environments

Strategic mindset with the ability to translate technical and regulatory concepts into tangible business outcomes

Excellent communication and stakeholder engagement skills

Experience managing budgets, external partners, and assurance processes

The Good Stuff…

Competitive remuneration and employee benefits designed to support your lifestyle and wellbeing
Flexible working arrangements to support balance and productivity
A collaborative and inclusive workplace culture that values innovation and continuous improvement
Access to learning and development opportunities to build future-ready skills
Employee-led networks and initiatives that foster diversity, inclusion, and belonging
Wellbeing support services available to all employees