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We’re building a team that is passionate about thinking for a better world

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 5 July 2024 (for a 3 October 2024 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.

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 Loans

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

Dar es Salaam Water Lease Dispute – ICSID, Tanzania

Castalia provided expert evidence and testimony when the United Republic of Tanzania was in arbitration proceedings with Biwater Gauff Ltd. over the expropriation of Dar es Salaam’s water and sewerage services. Biwater Gauff Ltd wanted to be awarded damages for the value of their investment in Tanzania, but the Government reasoned that the private water company had provided poor service and should not be compensated.
June 19, 2019/by sophie

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

March 20, 2024/by admin

Decision Framework for Johnsonville Library, New Zealand

Castalia provided the framework for the Wellington City Council to choose between publicly or privately funding the development of a new public library in Johnsonville. The New Zealand public sector lacks the experience to systematically evaluate options for the procurement of public-private partnerships.
June 24, 2019/by rebecca

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

Design of Regional Utility Regulator for the Eastern Caribbean

We advised Eastern Caribbean nations on establishing a regional electricity regulator. Island states in the Eastern Caribbean face high electricity costs, but are too small to justify a regulator for each country.
July 11, 2019/by Site Admin

Designing PPPs in Renewable Energy and Energy Efficiency, Barbados

Castalia created a procurement strategy, designed performance-based contracts for renewable energy and energy efficiency projects, and delivered training on designing, structuring, and negotiating PPPs to help the Government of Barbados implement privately financed energy efficiency and renewable energy projects.
June 8, 2022/by Site Admin

Details of the private sector led mini grid program in Nigeria

Electricity access remains low in Nigeria, with 80 million people without access, particularly in rural areas. To address this challenge, Nigeria’s Rural Electrification Agency (REA) is implementing the World Bank supported Nigeria Electrification Project (NEP), aiming to scale up investment in mini grid and off-grid solutions.
June 26, 2019/by Kelly Sutherland

Developing a Blended Financing Mechanism for Energy Efficiency Projects in the Water Sector, Mexico

Mexico’s National Water Commission (CONAGUA) wanted to address the technical and commercial inefficiencies of Mexico’s water and sanitation utilities. However, it needed advice on which financing mechanisms would achieve this goal.
March 3, 2023/by Oxygen Digital

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?

Comparing electric utility responses to COVID-19

Electricity plays a critical role in the fight against the…
May 11, 2020/by Site Admin

Update on the spreadsheet-based pandemic model for COVID-19

Clive Harrison has updated his spreadsheet-based pandemic model…
May 4, 2020/by Site Admin

Checklist for identifying risks to water service provision

Water providers are on the front line fighting COVID19.…
April 29, 2020/by Site Admin

Comparative analysis of business continuity and employment protection programs around the world

Governments around the world are shutting down businesses…
April 28, 2020/by Site Admin

Assessing the impact of force majeure on emerging markets PPPs

April 27, 2020/by Site Admin

Spreadsheet-based pandemic model for COVID-19

Clive Harrison is an old friend and a water sector professional…
April 22, 2020/by Site Admin

Privately financed performance-based contracts for non-revenue water in the Americas post COVID-19

Castalia's Chef Executive, David Ehrhardt, delivered a webinar…
April 21, 2020/by Site Admin

Comparing COVID-19 rules for water utility tariffs, bill payment and disconnections imposed by state and national governments

In the absence of a cure or vaccine for COVID-19, governments…
April 16, 2020/by Site Admin

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

Castalia advises on New Zealand Hydrogen Roadmap

Castalia is preparing detailed modelling for to inform New Zealand’s hydrogen pathway for the Ministry of Business, Innovation and Employment
April 13, 2020/by Site Admin

Freight Forecast Due Diligence for Inland Multimodal Terminal, Australia

Castalia performed due diligence on the proposed intermodal freight terminal at Moorebank in Sydney. To support the investment required, project developers needed independently verified freight projections.
April 13, 2020/by Site Admin

New Zealand’s “shovel-ready” approach to infrastructure-led stimulus could benefit developing countries

Many governments are concerned about how to stimulate economic…
April 9, 2020/by Site Admin