Commercial Business Partner

We’re looking for a commercially minded Commercial Business Partner to support our WM South leadership team and help shape financial and commercial outcomes.
In this role, you’ll work closely with operational leaders, translating business needs into clear financial insights, models, and recommendations. You’ll be involved in budgeting, forecasting, pricing, performance analysis, and investment decisions - with real visibility of how your work impacts the business.
This is an excellent opportunity for an ambitious accounting profession looking to deepen their commercial experience and progress their career within a large, values-driven organisation.

Key Responsibilities

-
Partner with operational and leadership teams to provide commercial insights and support strategic decision-making
-
Analyse volume, pricing, profitability, cost drivers, and customer performance to identify risks and opportunities
-
Develop pricing models, tender submissions, business cases, and investment proposals to support growth and business performance
-
Deliver financial modelling and scenario analysis to support key commercial decisions
-
Support month-end reporting, forecasting, budgeting, and performance reporting across the division
-
Challenge existing ways of working and identify opportunities to improve commercial performance and operational efficiency
-
Translate complex financial information into clear, practical recommendations for operational stakeholders
-
Build strong relationships across the business and act as a trusted commercial adviser
-
Drive continuous improvement of reporting, systems, and commercial processes
About You
This role offers a blend of commercial partnering and core finance responsibilities. It is suited to someone who is commercially curious, enjoys solving complex business problems, and is motivated by influencing outcomes rather than simply reporting the numbers. We are looking for a self-starter who isn't afraid to challenge assumptions, ask questions, and help drive better business performance.
You’ll bring:
-
Experience in commercial finance, management accounting, business partnering, or a similar analytical role
-
CAANZ / CPA qualification, or working towards completion
-
Strong commercial acumen and a genuine interest in understanding how businesses operate
-
Strong analytical, critical thinking, and problem-solving skills
-
Intermediate to advanced Excel skills, with the ability to build and work with financial models and analyse complex datasets
-
Confidence to challenge assumptions and constructively influence decision-making
-
Strong communication skills with the ability to explain complex financial information to non-financial stakeholders
-
Ability to work autonomously, take ownership, and deliver outcomes with minimal supervision
-
Curiosity, initiative, and a continuous improvement mindset
What’s in it for You
-
A highly visible role with the opportunity to influence key commercial and operational decisions
-
Exposure to major projects, pricing strategies, tenders, and strategic initiatives
-
Ongoing professional development and career progression opportunities
-
Flexible working arrangements
-
A supportive team environment that encourages innovation and continuous improvement
How to Apply
Click I am interested to submit your application.
We may begin reviewing applications before the closing date, so we encourage you to apply early.
WM New Zealand is an EEO employer and promotes drug and alcohol-free workplaces.
You must be currently based in New Zealand and hold a valid work visa, residency, or NZ citizenship.