Senior Business Development Manager - Magnesia

Grow a business. Build Customer Partnerships. Create impact.

We’re seeking an experienced and commercially driven Senior Business Development Manager to lead growth across our Magnesia business.

This is a strategic and hands-on role responsible for building and executing our go-to-market strategy, expanding customer relationships, identifying new market opportunities, and delivering sustainable revenue growth. You will work closely with customers across water treatment, wastewater, aquaculture and agriculture, combining commercial acumen with technical understanding to create long-term value for both customers and Calix.

Key accountabilities

As the commercial lead for the Magnesia business, you will:

- Develop and execute the go-to-market strategy to drive growth and deliver business objectives.
- Identify, nurture and convert new business opportunities across existing and prospective customers.
- Grow product sales and expand applications for magnesium hydroxide and magnesium oxide products across target markets.
- Build and maintain strong customer relationships that create recurring revenue and long-term partnerships.
- Work with customers to understand operational challenges and deliver practical technical and commercial solutions.
- Develop new customers, channels and market segments across Australia, New Zealand and selected international markets.
- Manage sales opportunities from initial engagement through to commercial outcome and ongoing customer growth.
- Represent Calix at industry events, conferences and customer forums as a subject matter expert.

Success will be measured through:

- Sales performance and achievement of growth targets.
- Revenue, profit and margin growth.
- Delivery of business plan objectives.
- Customer responsiveness and relationship strength.
- Expansion of market opportunities and customer adoption.

About You

You are an accomplished business development professional who thrives on creating opportunities,



building relationships and delivering commercial results.

You bring:

- A proven track record in business development, sales or commercial leadership roles with demonstrated success achieving growth targets.
- Strong customer relationship and stakeholder management skills, with the ability to influence and negotiate at all levels.
- Experience developing and implementing go-to-market strategies that drive measurable commercial outcomes.
- A customer-centric mindset and the ability to clearly articulate value propositions that solve customer problems.
- A technical background in chemistry, engineering or a related discipline, or significant experience working with technical products and applications.
- Strong commercial and business acumen, including experience managing sales pipelines, product supply considerations and customer delivery outcomes.
- The credibility and confidence to engage with customers, industry stakeholders and internal teams as a trusted adviser and advocate.

About us

We are an environmental technology company addressing urgent global challenges in industrial decarbonisation and sustainability.

This role sits within our Magnesia business, which produces and distributes protected, sustainable magnesium-based products used in water treatment and wastewater management. It offers direct exposure to a customer-facing and commercially focused part of Calix, while connecting to the broader sustainability challenges our technologies help solve.

Because there is only one Earth. Mars is for quitters.

Why join Calix

- Be trusted with meaningful work and the autonomy to make an impact from day one
- Be part of a collaborative, down-to-earth team that values expertise, initiative and practical problem solving.
- Be part of a business where commercial success, technical expertise and innovation work hand-in-hand.
- Enjoy flexible working arrangements, competitive benefits and participation in our employee incentive scheme.
- Build your career in an organisation that is growing globally while maintaining an entrepreneurial mindset.

#J-18808-Ljbffr

📌 Senior Business Development Manager - Magnesia (Queensland)
🏢 Calix Group
📍 Queensland