Client Billing Administrator

About the company

Apex Group was founded in Bermuda in 2003 and has grown into one of the largest providers of fund administration and middle office services worldwide. The company operates across jurisdictions, combining global reach with local delivery. Its workforce now spans about 13,000 people across 112 offices around the world.

The organisation describes its culture as one that values energy, ambition, and growth. It aims to help employees strengthen their capabilities, take ownership of their work, and contribute ideas that can create meaningful change.

Role overview

The Client Billing Administrator will focus primarily on revenue and accounts receivable. This role supports the Finance Manager for New Zealand by managing receivables activity, producing accurate management reporting, and helping ensure finance operations remain compliant with relevant regulations across Apex New Zealand entities.

Location: Auckland or Wellington.

Key duties

• Prepare and send client invoices in line with contract terms and internal policy, making sure they are accurate and issued on time.
• Calculate and record monthly net revenue accruals so the financial statements present the company’s position correctly.
• Monitor overdue debtor balances and assist with follow-up activities.
• Carry out financial analysis when required to help guide decisions, spot patterns, and explain performance trends.
• Create, put in place, and monitor financial controls that protect company assets, support compliance, and improve reporting accuracy.
• Assist the Finance Manager with local and group audits, including gathering supporting evidence and responding to auditor questions.
• Provide finance input for strategic initiatives, including planning, execution, and review of outcomes.
• Support the implementation or integration of financial processes and systems where needed to keep operations consistent during change.
• Handle other finance-related duties assigned by the Finance Manager to help the finance function run efficiently.

Skills and experience

The ideal candidate should bring billing experience in financial services, be comfortable working through detailed transactional work, and have intermediate to advanced Excel capability. The role also calls for strong communication, solid analytical thinking, and a practical problem-solving approach. A willingness to learn new finance systems, work independently, adapt to changing priorities, and contribute as a supportive team member is important.

What you can expect

• The chance to join a large and growing global business.
• Pay that reflects your skills and experience.
• Access to training and development opportunities.

Additional information

Apex Group is an equal opportunity employer. Hiring decisions are based on skills, qualifications, and experience, and applicants will not be treated unfairly on the basis of gender, gender identity, marital status, race, colour, nationality, ethnicity, age, sexual orientation, socio-economic status, responsibility for dependants, or physical or mental disability.

The company says it measures success not only through business growth and service delivery, but also by its positive impact on people, society, and the planet. It also states that personal information submitted by applicants will be used only for recruitment purposes, kept confidential, and may be accessed by relevant Apex stakeholders inside or outside the country for the purpose of evaluating the application.

Unsolicited CVs from recruitment agencies will not be accepted for this vacancy. Apex uses a direct sourcing approach and will only involve recruitment partners directly where agency support is required.