Intern: Economic and Financial Research

Location: Auckland or Wellington, New Zealand

Castalia is seeking candidates for up to two internship positions. The position will be based in Castalia’s Auckland or Wellington office. The interns would be responsible for:

Conducting economic and financial research, analysis, and modelling;
Producing written and visual outputs to clearly and concisely communicate the results of the analysis and modelling to clients; and
Assisting with business development efforts.
The position is full-time or part-time, ideally at least 16 hours per week. The internship is expected to run for a 12-month period. The start date is flexible, and there is the possibility to extend or transition to a permanent position.

About Castalia

At Castalia, we use our knowledge, skills, and experience to question and redefine how the world's infrastructure challenges are solved. Thinking for a better world is more than our tagline – it is our driving philosophy. Founded in 1980, Castalia has over 40 years of global experience advising private sector investors, governments and international donor organisations on infrastructure. Castalia has undertaken assignments in 144 countries globally. Our Australian and New Zealand offices run as one integrated team, which splits its time between trans-Tasman projects and work in the Pacific Islands, as well as Southeast and Central Asia.

Who we’re looking for

Castalia is seeking candidates who are currently enrolled in a relevant graduate or undergraduate program (for example, international economics, finance, and policy) and expect to graduate in the next 18 months or have graduated in the last 12 months.

A degree in Economics, Finance, Engineering, Engineering Science, Law or Applied Mathematics
Excellent research and analytical skills, presentation and communication skills
Native-level fluency in English. Fluency in other languages is a plus
Work authorisation in New Zealand.
How to apply

If you are interested in this position, please apply directly on our website: https://castalia-advisors.com/join/

You will need the following information and documents ready:

Cover letter and Resume/CV
Two professional references
Writing sample
Academic Transcripts
Application closing date: 6 March 2026

Position start date: Flexible

Due to the number of applications we receive, we will only contact shortlisted applicants.

Job Type: Full-time

Benefits:

Professional development assistance
Work Location: In person