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Career opportunities

Thank you for your interest in a role at Castalia. We recruit and onboard new team members quarterly, and the next round of career opportunities will be posted by 8 July 2025 (for a 7 October 2025 start date).

In the meantime, please feel free to submit your materials to our talent pool using the link below. We will notify you if we have an opportunity that may be a good match.

Submit your interests here.

Comparing the New Zealand and Australian states’ responses to COVID-19

Castalia compares the New Zealand and Australian States’ Responses to COVID-19
April 14, 2020/by Site Admin

Competition Analysis for Merger of the Port of Tauranga and Ports of Auckland, New Zealand

Castalia developed a strategy to gain competition authority approval for a merger between the Ports of Auckland and the neighboring Port of Tauranga. To prevent harmful competition that was leading to wasteful duplication of capacity, the two ports wanted to merge, so they coordinate investment.
October 8, 2019/by Site Admin

Competition Effects of Physiotherapy Contracts, New Zealand

Castalia gave expert evidence that a new contracting model to pay physiotherapists did not breach competition law. Physiotherapists had claimed that the new contracts, which prevented them from charging patients additional out-of-pocket fees, limited competition and amounted to price-fixing.
October 28, 2019/by Site Admin

Concentrated Solar Power Knowledge and Innovation Program

Castalia advised counties throughout the Middle East and North Africa on how Concentrated Solar Power Generation (CSP) can benefit their power systems. We did power system planning studies, siting studies, technical and financial analysis, and procurement and financing options for several countries. CSP is a disruptive technology that can provide firm and dispatchable power at low carbon emissions in sun-drenched regions like MENA. However, policymakers in MENA lack awareness of CSP potential in their countries.
June 21, 2019/by sophie

Corporate Financial Strategy for National Power Company

Castalia developed a sustainable corporate financial plan for PLN, Indonesia’s national power utility, including a new revenue model, and recommended legislative changes. PLN needs to finance a US$180 billion expansion of the electricity system. It relies on subsidy to cover the gap between legislated tariffs and the cost of service. The size of the subsidy that would be required in the future led financial markets to question the fiscal sustainability of the arrangement.
June 19, 2019/by rebecca

Cost Benefit Analysis of New Zealand’s Broadband Strategy

Castalia advised on the costs, benefits, and optimal design of a subsidy scheme to expand broadband access in New Zealand. Telecommunications service providers wanted to ensure that the scheme did not distort competition or waste resources.
January 16, 2020/by Site Admin

Credit Line and Technical Assistance for the Blended Finance of Clean Energy, Colombia

Colombia had significant renewable energy potential, yet little progress had been made on its transition due to a lack of financial support. KfW wanted to develop a credit line to back renewable energy and energy efficiency projects in Colombia, channeled through Bancóldex, but first needed to know the feasibility of such a program.
March 3, 2023/by Oxygen Digital

Credit Risk Assessment for TIFIA Expressway Transactions

Castalia developed investment roadmaps containing practical steps and tangible projects aligned with Samoa’s and Tuvalu’s NDC goals to accelerate the implementation of their NDCs to global climate action under the Paris Agreement.
November 15, 2022/by Oxygen Digital

Castalia presents ninth annual Renewable Islands Index and Marketplace at CREF

Castalia presented the ninth annual Renewable Energy Island Ranking, an index that ranks Caribbean jurisdictions by investment and success in developing renewable energy.
November 2, 2020/by Site Admin

Debt Valuation for Alinta Energy Procurement, Australia

Castalia assessed the value of a distressed Australian energy company’s debt. Castalia’s client, a private US investment fund, needed to determine the fair value of the debt and its risk before deciding whether to purchase it.
July 17, 2019/by Site Admin

New report “Decarbonizing Water: Applying the Voluntary Carbon Market toward Global Water Security”

March 20, 2024/by admin

Decoding New Zealand’s Water Reform: A Castalia Perspective

Climate funds have great potential to improve the efficiency of underperforming water utilities. Castalia developed a concept for a Climate Fund for Water and Energy Efficiency Performance-based Contracts (PBCs).  
December 6, 2023/by admin

We look for candidates who are:

competent

Competent

We are experts in finance, economics, law, and policy applied to infrastructure, natural resources and social service provision. You’re a great fit for us if you can demonstrate excellent technical and analytical abilities, and if you’re willing to learn new skills.

creative

Creative

We’re passionate about solving the infrastructure and resource problems of the world in creative and innovative ways. We’re building a team that is insightful, resourceful and visionary. You’re a great fit for us if you’re a creative problem solver.

consistent

Consistent

Castalia is respected for the quality of our work. We’ve achieved this by being reliable, organized and efficient. You’re a great fit for us if you’re conscientious, reliable and keep your promises.

concientious

Conscientious

We’ve nurtured a culture of excellence, but we’re able to maintain it because our team is made up of disciplined self-starters. You’re a great fit for us if your passion and creativity is matched with discipline, commitment and follow-through.

committed

Committed

It takes focus and hard work to be successful. Solving the world’s most difficult problems is never easy! You’re a great fit for us if you want to put achievement of team goals above personal interests, know how to work in a team, and can persevere through set-backs.

collaborative

Collaborative

Consulting demands a lot from the individual and the team. We are looking for team members who are patient, approachable, good-natured and willing to work with others to solve big problems. You’re a great fit for us if you bring empathy, humility and excellent communication skills and would like to help the team achieve our mission.

Collectively, these are known as our ‘6 C’s’ and they encompass the qualities that lead to success at Castalia.

We look for candidates who are:

competent

Competent

We are experts in finance, economics, law, and policy applied to infrastructure, natural resources and social service provision. You’re a great fit for us if you can demonstrate excellent technical and analytical abilities, and if you’re willing to learn new skills.

creative

Creative

We’re passionate about solving the infrastructure and resource problems of the world in creative and innovative ways. We’re building a team that is insightful, resourceful and visionary. You’re a great fit for us if you’re a creative problem solver.

consistent

Consistent

Castalia is respected for the quality of our work. We’ve achieved this by being reliable, organized and efficient. You’re a great fit for us if you’re conscientious, reliable and keep your promises.

concientious

Conscientious

We’ve nurtured a culture of excellence, but we’re able to maintain it because our team is made up of disciplined self-starters. You’re a great fit for us if your passion and creativity is matched with discipline, commitment and follow-through.

committed

Committed

It takes focus and hard work to be successful. Solving the world’s most difficult problems is never easy! You’re a great fit for us if you want to put achievement of team goals above personal interests, know how to work in a team, and can persevere through set-backs and pain.

collaborative

Collaborative

Consulting demands a lot from the individual and the team. We are looking for team members who are patient, approachable, good-natured and willing to work with others to solve big problems. You’re a great fit for us if you bring empathy, humility and excellent communication skills and would like to help the team achieve our mission.

Collectively, these are known as our ‘6 C’s’ and they encompass the qualities that lead to success at Castalia.

Recruitment FAQs

  • Intern
  • Research Associate
  • Economics and Financial Analyst
  • Senior Analyst
  • Manager
  • Senior Management (Directors, Practice Leaders, CEO/COO/ED)
  • Corporate Services

We’re glad you’re interested in working with us. Please click on the job posting above and start your application.

Once we have screened for candidates, had the informational interview and we’re ready to start with interviews, we aim to have each candidate’s recruitment process completed in 2 weeks.

Informational interview:

This is an introductory interview with someone from the team you’re likely to work with. You have an opportunity to ask questions about Castalia, the work environment and the kind of work you can expect to do. You will also be asked general questions about yourself and your professional education and experience. After this you decide if this is the job for you and if you want to go through our formal assessment process. At this point we also give you feedback on whether we think you’d likely be a good fit for the role.

Team interviews:

These interviews are designed to test your knowledge, based on the position you are applying for. Your understanding and application of finance and microeconomics will be tested if you are applying to be part of our team of analysts. All candidates will have an interview to discuss Castalia’s 6Cs, which is a discussion about our values and the types of candidates we’re looking to hire.

Final interview

The final interview will be with a member from our Senior Management. It will cover all elements mentioned above. Managers and above will have an additional interview with the CEO.

We suggest that you read the following materials in preparation for the interviews. This is what we expect our team to know. If you’re unfamiliar with these concepts and the material, your application is unlikely to be successful.

Interview on microeconomics:

  • Basic Microeconomics, you’d want to brush up by reviewing an introductory microeconomic text book. The interview will typically cover the following areas:
    • Supply and Demand, price formation, market equilibrium
    • Utility maximization, profit maximization, equalization at the margin as a concept
    • Perfect competition model and monopoly models
  • A good Public Finance/Public Economics textbook should cover: these, e.g. Rosen’s textbook:
    • Part 1: Getting Started
      Chapter 1: Introduction
      Chapter 2: Tools of Positive Analysis
      Chapter 3: Tools of Normative Analysis
    • Part 2: Public Expenditure: Public Goods and Externalities
      Chapter 4: Public Goods
      Chapter 5: Externalities
      Chapter 6: Political Economy
      Chapter 7: Education
      Chapter 8: Cost-Benefit Analysis

Interview on finance:

The interview will cover:

  • Financial statement analysis
    • Reading and understanding financial statements (balance sheet, cash flow statements, income statements). You should know the differences, what information can be found on what statement, correct way to record transactions and interpret information from these statements, etc.
    • Calculating and comparing relevant financial ratios
  • Corporate finance – we suggest reviewing:
    • How to value companies including DCFs and calculating present value, WACC and the CAPM model
    • Capital structure and managing risk, financing versus valuation and key differences between debt and equity
  • The Corporate Finance textbook we recommend is written by Myers and Brealey. 

Myers, Brealey. Principles of Corporate Finance (11th Edition). New York: McGraw-Hill, 2014.

  • Part 1: Value
    Chapter 1: Introduction to Corporate Finance
    Chapter 2: How to Calculate Present Values
    Chapter 3: Valuing Bonds
    Chapter 5: Net Present Value and Other Investment Criteria
    Chapter 6: Making Investment Decisions with the Net Present Value Rule
  • Part 2: Risk
    Chapter 7: Introduction to Risk and Return
    Chapter 8: Capital Asset Pricing Model
    Chapter 9: Risk and the Cost of Capital
  • Part 3: Best Practices in Capital Budgeting
    Chapter 10: Project Analysis
  • Part 4: Financing Decisions and Market Efficiency
    Chapter 13: Efficient Markets and Behavioral Finance
  • Part 5: Payout Policy and Capital Structure
    Chapter 17: Does Debt Policy Matter
    Chapter 19: Financing and Valuation

Why choose Castalia?

Interested in learning more?

Interested in learning more?

Pipeline of Viable Renewable Energy Projects, Chile

USTDA wanted to help Chile move away from fossil fuels toward cheaper, more efficient sustainable energy sources by funding feasibility studies for renewable energy projects.
March 2, 2023/by Oxygen Digital

Pipeline of Viable Clean Energy Projects, Costa Rica, Dominican Republic, Guatemala, Honduras, Jamaica, Panama

The US Trade and Development Agency (USTDA) wanted to support clean energy investment in Central America and the Caribbean by funding feasibility studies but needed help identifying which project proposals to fund.
March 2, 2023/by Oxygen Digital

District Cooling Market Analysis, Mexico

Mexico’s Ministry of Energy wanted to know the viability of district cooling to mitigate the country’s high energy consumption, disproportionate peak load, and increasing GHG emissions caused by growing urban populations and rising temperatures.
March 2, 2023/by Oxygen Digital

Pipeline of Climate-friendly Municipal Infrastructure Investments, Peru

IFC wanted to support strategic, bankable infrastructure projects that provided sustainable, reliable, and competitive services to Peru’s cities with the goal of addressing rapidly increasing urban populations and mitigating GHG emissions. The sectors included energy, transport, green buildings, water, waste, and telecommunications.
March 2, 2023/by Oxygen Digital

Geothermal Energy Market Analysis, Eastern Caribbean

The Eastern Caribbean States rely heavily on expensive fossil fuels despite having great potential for renewable energy. The IDB wanted to explore investment opportunities for affordable, reliable renewable energy to move the region away from fossil fuel.
March 2, 2023/by Oxygen Digital

Electricity Market and Carbon Tax Advice, Mexico

Mexico’s Ministry of Finance, supported by the French Development Agency, was considering a carbon tax to reduce its GHG emissions by 22 percent to meet its 2030 target. It also wanted to reform its electricity tariffs and subsidies to avoid impacting the affordability of electricity under the new tax.
March 2, 2023/by Oxygen Digital

Regulatory advisory for Maui gas pipeline acquisition

Castalia developed investment roadmaps containing practical steps and tangible projects aligned with Samoa’s and Tuvalu’s NDC goals to accelerate the implementation of their NDCs to global climate action under the Paris Agreement.
November 21, 2022/by Oxygen Digital

Credit Risk Assessment for TIFIA Expressway Transactions

Castalia developed investment roadmaps containing practical steps and tangible projects aligned with Samoa’s and Tuvalu’s NDC goals to accelerate the implementation of their NDCs to global climate action under the Paris Agreement.
November 15, 2022/by Oxygen Digital

Five big problems with Three Waters

OPINION: The need for reform in the New Zealand water sector…
September 2, 2022/by admin

IFC Climate Upstream Workshops, Brazil, Ethiopia, Indonesia

To identify Upstream initiatives that would create new markets for investments that addressed climate change, Castalia ran a series of ideation workshops and identified large-scale Upstream Investment opportunities for the IFC.
June 27, 2022/by Oxygen Digital

Nationally Determined Contributions (NDC) Investment Roadmaps

Castalia developed investment roadmaps containing practical steps and tangible projects aligned with Samoa’s and Tuvalu’s NDC goals to accelerate the implementation of their NDCs to global climate action under the Paris Agreement.
June 27, 2022/by Oxygen Digital

NZ DOC Living Water Economic Evaluation

Castalia evaluated the environmental and economic impacts of the Living Water program in the Waituna catchment, an ecologically and culturally significant area in the Southland region for the New Zealand Department of Conservation.
June 27, 2022/by Oxygen Digital