Senior Customer Billing Specialist | Wellington

Senior Customer Billing Specialist

• Start 2026 right with a new role
• Based in central Wellington
• Four days in the office, 1 day work from home

Kōrero mō te tūranga - About the role

At NZ Post, our Finance Operations team keeps the engine running, making sure every dollar, detail, and delivery lines up. We're looking for a Senior Customer Billing Specialist to help lead the charge on best-practice billing, process improvement, and customer service excellence.

You'll be the go-to person for resolving complex billing issues, guiding the team, and ensuring customers are billed accurately and on time. It's a hands-on role that blends technical know-how with stakeholder management, problem-solving, and continuous improvement.

You'll achieve that by:

• Overseeing day-to-day customer billing functions for both domestic and international accounts
• Investigating and resolving billing issues, ensuring revenue is recognised accurately and payment risks are minimised
• Providing expert advice and leadership across billing solution design, system functionality, and process improvement
• Delivering operational reporting and insights that support decision-making and efficiency gains
• Championing quality, compliance, and continuous improvement across the team

Mōu - About you

You're detail-driven, customer-focused, and passionate about doing things better. You know how to balance accuracy, efficiency, and collaboration, and you're confident stepping into a senior advisory role.

You'll combine that with

• 3+ years' operational experience in customer billing, finance operations, or similar
• Strong understanding of billing systems, internal controls, and process improvement
• Proven ability to analyse data, solve problems, and deliver practical solutions
• Excellent communication skills and confidence working with a range of stakeholders
• Relevant tertiary qualification (Lean Six Sigma or similar process improvement experience a plus)
• A continuous improvement mindset

Mō te Tukurau Aotearoa - About NZ Post

There's a story in every parcel. And wrapped up in every parcel, is the people of NZ Post.  Our mahi is different, but we share the same goal - to contribute to the growth and prosperity of our beautiful Aotearoa.  Whether you're a number-crunching data analyst, a parcel processing whizz, a marketing maven, or a sales superstar, we've got a spot for you in our dynamic team. Start your journey with us.

He Aha Te Pai - What you'll love about us! 

We're passionate about our commitment to deliver the best for Aotearoa - to help businesses thrive, and to deliver what Kiwis care about.  Our permanent employees enjoy a variety of benefits including:

• Access to discounted health insurance plans for you and your family
• Special rates on fantastic holiday home accommodation around New Zealand
• Retail shopping discounts with our partners
• An Employee Assistance programme to support you when you need it
• Plus more!!

 Interested? Come and join the whanau!

There's a story in every parcel.  Ready to be part of the story?  Start your journey with us by applying today or to find out more details about this opportunity, download the JD on the NZ Post Careers page.  If you require additional information, please contact Michele Christie (Talent Business Partner) on 022 087 5195

Applications for this position close on 26 November 2025

Due to the fast-paced nature of NZ Post, our vacancy close dates may be subject to change, so don't delay and make sure you apply as soon as possible.  

All successful applicants will be required to provide proof of their eligibility to work in New Zealand and will be subject to a security check and reference checks.  Some of our roles may also require a credit check and/or a drug test. 

If you're interested in a role, please apply directly through our online portal. No one knows what we do and how we do it better than us, and our in-house talent team are experts at finding the right people for the right roles.  We won't consider candidates through agencies unless this has been previously approved. 

There's something really special about being part of the team here at NZ Post - Tukurau Aotearoa, who we are and what we stand for is grounded in our values.