Senior Data Scientist

Te Whiwhinga mahi | The opportunity

We’re seeking a talented Senior Data Scientist to transform complex data into actionable insights that drive decision-making across the NZ Transport Agency Waka Kotahi (NZTA) and the wider Transport sector. You’ll use your expertise in statistical modelling, machine learning, and programming (R, Python, SQL) to analyse and interpret data, develop reproducible code, and deliver evidence-based outcomes.

This role combines technical expertise with the ability to tell compelling stories through data visualisation, plain-English reporting, and collaboration across teams. Experience with Azure, Databricks, and innovative approaches to solving new problems will set you apart.

If you thrive in a mix of teamwork and autonomy, enjoy mentoring others, and want to champion the power of advanced analytics to shape impactful decisions, we’d love to hear from you.

You will find out more about the role here.

We are seeking to appoint at a salary between $109,408 - $145,876 commensurate to skills and experience.

Ko koe tēnei | About you

To be successful in this role, you will bring :

• Knowledge of, and experience with, statistical modelling techniques and the mathematical foundations of applied ML and AI algorithms and models.
• An advanced level of statistical programming (SQL, Python or R programming is preferred)
• Proficient with versioning tools - Git
• Experience using Cloud based services (ideally Microsoft Azure)
• Preferably some experience with ModelOps / MLOps
• An ability to build and maintain relationships
• Good verbal and written communication skills
• A relevant post graduate qualification in statistics or another discipline requiring the analysis of complex data

You will demonstrate knowledge of, or a willingness to gain an understanding of Te Ao Māori and promote tikanga and Te Reo Māori. You will also have knowledge of, or a willingness to gain an appreciation of Te Tiriti o Waitangi (the Treaty of Waitangi) as it applies in the public service.

Mō mātou |About Us

At NZTA it all starts with our people. The organisation's performance and success depend on the people who choose to make this a great place to work and make a difference for Aotearoa. The Transport Agency has a strong future focus, understanding that new technologies and changing customer expectations mean the transport system we know today will not be the one we deliver in ten years' time.

NZTA is the largest infrastructure delivery agent in New Zealand, our work touches the lives of all New Zealanders by planning, designing, delivering, managing and operating an integrated transport system along with our partners. We have some of the most capable and motivated people in the industry working to provide a transport system that enables New Zealanders to live, travel, work and connect.

Ka whiwhi koe i te aha | What you will get in return

• Competitive salary and benefits package.
• Flexible working arrangements.
• Along with our otherbenefitswe also have 5 weeks annual leave and an Income Protection and Critical illness Insurance scheme available for all permanent employees.

Me pēhea te tuku tono | How to apply :

Please click apply to upload your CV and cover letter detailing your suitability for the role.

Rā Katinga | Applications close :

25 November 2025

For further information, email :

To be considered for this position you must have a legal right to live and work in New Zealand.

Waka Kotahi is an equal opportunity employer (EOE). We recognise the importance of diversity and inclusion and are committed to providing a working environment that embraces these values. Please let us know if you need any support or have any access requirements that will help you through the recruitment process.

Please note that we may begin shortlisting as we receive applications. We encourage early applications as we may withdraw the advertising at any time.

#J-18808-Ljbffr