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Jobs with Arena
The Arena family of companies is growing and offers exceptional career opportunities within Arena firms and with our portfolio companies. See what's possible for you in the postings below.
Data Scientist
Optic Security Group
Data Science
Waikato, New Zealand
Posted on May 7, 2026
About The Role:
Join our Business Intelligence team as a Data Scientist and help turn data into meaningful insights that shape how we operate and make decisions across Tuatahi. Reporting to the Head of Business Intelligence, you will work across a wide range of data sets to design and deliver advanced analytics and predictive models that support forecasting, optimisation, and smarter decision-making.
In this role, you will collaborate closely with BI team members, product owners, and business stakeholders to understand problems and deliver practical, fit-for-purpose solutions. You will build, deploy, and monitor models where they create real value, and ensure they are robust, explainable, and aligned with governance requirements.
Here’s what you can expect in your day-to-day:
Work with stakeholders to understand business challenges and translate them into data science solutions
Design, build, and validate predictive and machine learning models
Analyse complex datasets to identify trends, patterns, and actionable insights
Communicate findings clearly to both technical and non-technical audiences
Support the integration of models and insights into business processes and reporting
Monitor model performance and continuously improve outputs over time
Contribute to building strong data science and analytics practices across the organisation
Skills and Experience Required:
10+ years’ experience in data science and advanced analytics
Strong experience with SQL, R, Power BI, and PySpark, including building models, dashboards, and data pipelines
Hands-on experience applying AI and machine learning techniques in a commercial environment
Proven experience developing and maintaining models in production
Strong problem-solving skills and the ability to work with complex, large-scale datasets
Excellent communication and stakeholder engagement skills
A proactive, curious mindset with a focus on continuous improvement
Why Tuatahi is the Place for You:
At Tuatahi, we’re not only leaders in technology - we’re dedicated to looking after our people. Our benefits are designed to support your wellbeing and help you thrive, both at work and at home:
Medical and Life Insurance: Comprehensive cover to protect your health and security.
Utilities Rebate: Support with essential home costs like power and fibre.
Refer-a-Friend Bonus: Bring great people into the team and get rewarded.
Volunteer Day: One paid day each year to give back to your community.
Wellbeing Leave: A wellbeing day every six months to recharge or take care of life admin.
Parental Leave Support: Salary top-ups and support to help you focus on family.
About Us:
As a leader in Aotearoa’s ultrafast broadband revolution, Tuatahi is powering the future of connectivity. Our 6,000 km fibre optic network is the backbone that links households and businesses to the internet, driving digital growth across regions like Waikato, Bay of Plenty, Hawke’s Bay, and beyond.
We partner with retail service providers and mobile network operators, enabling them to offer a range of services to over 249,000 homes and businesses. As we expand, we’re seeking innovative minds to help us shape a digitally empowered tomorrow. Join us and be part of something truly transformative.
Sounds Like you? Apply Now
If applying through our careers page, you can find the position description here.
If applying through Seek - check out the job ad on our careers page for the link to the position description.
Diversity, equity, and inclusion are central to how we work. When you apply, we’ll invite you to answer two optional questions to help us track progress toward fair and equal opportunities. Your responses are anonymous, voluntary, and have no impact on your application.
Advertising closes: 20 May 2026