Principal Sustainability Consultant

Designing a Smarter, Greener Future 

At KBR, we’re passionate about creating infrastructure that’s smarter, safer, and truly sustainable. Our team brings together bold thinkers and technical experts to deliver environmental solutions that make a real difference—for our clients, our communities, and the planet. 

With over $2 billion in Green Star and ISCA-certified projects, we lead the way in sustainability strategy and innovation. From concept to construction and beyond, we help clients tackle critical challenges—integrating environmental considerations into every phase of delivery. 

Whether it’s improving energy efficiency, modeling emissions, assessing climate risks, or delivering whole-of-life analyses, we provide the insight and expertise to help projects meet and exceed sustainability targets. 

The Opportunity 

We now have a critical opportunity for a Principal Sustainability Consultant to join our National Sustainability team based in Melbourne. In this  role, you’ll lead sustainability input, advice, and expertise across major infrastructure projects—including water, rail, and road—as well as global Net Zero initiatives and defence projects. 

You’ll work closely with project teams to embed sustainability strategies from design through construction, delivering frameworks, management plans, and innovative solutions that leave a lasting legacy. 

What You’ll Do 

• Lead sustainability strategies and provide technical advice on complex, large-scale projects.  

• Drive adoption of sustainability initiatives during design and construction phases.  

• Collaborate with multi-disciplinary teams to deliver positive environmental and community outcomes. 

• Manage project planning, cost estimates, tender submissions, technical documentation, and client reporting. 

• Build and maintain strong relationships with clients, authorities, and internal stakeholders. 

• Carbon baselining, lifecycle cost analysis, carbon assessment, innovative material selection 

• Contribute to business development through proposals, budgets, and stakeholder engagement. 

 Who You Are 

You’re a seasoned sustainability professional with a proven track record in infrastructure projects. You thrive on collaboration, leadership, and innovation, and you’re motivated by sourcing new projects and talking to clients. You bring integrity, accountability, and strong communication skills, with the ability to influence stakeholders and deliver results. 

What You Bring 

• Bachelor’s degree in sustainability, environmental engineering, or similar. 

• Experience in sustainability consulting within the infrastructure sector (water industry highly regarded). 

• Familiarity with Green Star or ISC rating tools (highly regarded). 

• Strong stakeholder management and business development experience. 

• Ability to manage complex projects, budgets, and deadlines. 

What We Do 

KBR’s Infrastructure Services team delivers projects that shape a smarter, more sustainable future for Australia. From transport and water to defence and buildings, we partner with clients nationwide to provide innovative solutions across every stage of the project lifecycle. 

With over 1,400 skilled professionals, we combine global expertise with local insight. Our teams are digitally connected, agile, and committed to social and environmental sustainability—driving innovation that benefits communities and the planet. 

Together, we deliver infrastructure for a better tomorrow. 

At KBR, We Value You 

While you’re busy delivering world-class engineering solutions, we make sure you have the flexibility and support to thrive. Enjoy family-friendly work arrangements, options for hybrid working, and a culture that prioritizes trust and collaboration. 

You’ll have access to ongoing professional development and the chance to work alongside some of the industry’s most respected experts. With the resources of a global organization and the close-knit feel of a local team, you’ll never be just a number. 

Help shape tomorrow by applying today! 

Don’t miss out on this opportunity to leave your impact on our society with one of Australia’s leading infrastructure businesses. Apply now and follow us on LinkedIn to stay up to date with all the latest news and job opportunities.

Our people are the heart of everything we do. We are dedicated to creating work environments where every member of our team feels safe, supported, respected, trusted, and valued—and where everyone has opportunities to belong, connect, and grow.

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