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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 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.

Nationally Determined Contribution Enhancement in Samoa and Tuvalu

To enhance Samoa’s and Tuvalu’s commitments to climate change action under the Paris Agreement, Castalia drafted an enhanced Nationally Determined Contribution (NDC) for Samoa and undertook foundational research for Tuvalu’s enhanced NDC.
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

Natural Gas Development: Open Access and On-Shore Uses, Papua New Guinea

Castalia developed policies requiring firms exporting natural gas from Papua New Guinea to also supply on-shore customers, and to allow other firms to access their pipelines. While PNG’s natural gas export business was flourishing, local customers could not access gas, and smaller fields were not being developed due to lack of pipeline access.
February 6, 2020/by Site Admin

New Zealand National Natural Health Products Regulatory Assessment

Castalia determined the effect of the Natural Health Product Bill in New Zealand on small natural health companies. Small natural health companies were concerned the Bill would put them out of business due to the cost associated with the new regulation.
June 21, 2019/by sophie

New Zealand’s Three-Water Infrastructure Stocktake

Castalia carried out a stocktake of New Zealand’s stormwater infrastructure and wrote an issues paper that described the complexity of stormwater management across the country. New Zealand’s local government lacked an updated stocktake of their stormwater infrastructure which impeded their ability to manage infrastructure for potable, waste, and stormwater (three-waters infrastructure) and prevent flooding and freshwater pollution.
February 10, 2020/by Site Admin

Advice on Water Sector Reform, New Zealand

The New Zealand government is proposing to reform the water sector into a small set of regional public corporations. Local Government New Zealand (LGNZ), representing the national interests of local councils in New Zealand, engaged Castalia as a trusted economic and strategic advisor. Castalia produced three pieces of analysis for LGNZ that feed into the New Zealand government’s water sector reform process.
February 25, 2021/by Site Admin

Nigeria’s Rural Electrification Agency Launches Minimum Subsidy Tender for Mini Grids

Nigeria's Rural Electrification Agency issued an Invitation for Initial Selection for the first phase of a minimum subsidy tender.
April 24, 2019/by rebecca

Non-revenue Water Performance Based Contracts

Castalia co-authored the World Bank published operational manual The Use of Performance-Based Contracts for Nonrevenue Water Reduction: Output of the Global Program on Developing Good PBC Practices for Managing NRW. This loss of non-revenue water (NRW) prevents utilities from improving services or expanding access. Sometimes, high NRW leads to water rationing which often causes contamination of the network and unsafe drinking water.
October 17, 2019/by Site Admin

North Luzon – South Luzon Expressway Connector, Philippines

Castalia helped run a “Swiss challenge” competitive procurement process for a new highway in Manila. The Philippines government had received an unsolicited proposal to build an 8km highway in Manila and was required by law to run a competitive procurement process (“Swiss challenge”) to ensure the best-value bid was chosen.
July 17, 2019/by Site Admin

Northern Parishes PPP Pre-Feasibility Study, Jamaica

Castalia appraised several options to reduce the water shortage in Jamaica’s North Coast and recommended an economically feasible and financially viable project to increase water supply and meet growing demand. Growing demand for water services driven by hotel developments along Jamaica’s North Coast was putting a strain on existing supply systems, leading to water shortages for residents and tourists.
June 29, 2019/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

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

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?

Analysis of Disruptive Technologies in Energy Distribution, New Zealand

Castalia advised Vector on how disruptive technologies, including battery storage, distributed generation, and smart-grids, would change the optimal configuration of electricity distribution grids in the future, assisting Vector’s investment planning. Vector was worried that disruptive technologies could strand the investments it planned to make in the distribution grid.
July 17, 2019/by Site Admin

Increasing Live Cattle Exports to Asian Markets

We identified and prioritized new export markets for livestock originating from the Northern Territory of Australia. The Northern Territory was heavily dependent on the Indonesian market for trade of livestock and wanted to diversify to other markets.
July 17, 2019/by Site Admin

Review of the Orion Networks Application for a Customized Price-Quality Path, New Zealand

Castalia helped Vector, New Zealand’s largest electricity distribution utility, ensure that the regulatory regime made suitable provision for recovery of rebuilding costs following an earthquake, through regulatory advice to the Vector and a submission to the Commerce Commission. A series of earthquakes in Christchurch had damaged much of the electricity distribution system. The local utility requested a customized price control path to enable it to recover rebuilding costs. Vector also operates in earthquake-risk areas and wanted to be sure that precedents created after the Christchurch earthquake would be suitable if it or other distribution companies were hit by a serious earthquake.
July 17, 2019/by Site Admin

Regulation of Broadband Network Charges, New Zealand

Castalia helped Chorus, New Zealand’s largest telecommunications infrastructure company, identify two regulatory options that would deliver effective price regulation without distorting consumer choice. Chorus was uncertain about the potential future regulatory settings in New Zealand because of the structural separation of its parent company, Telecom New Zealand.
July 17, 2019/by Site Admin

Effect of Carbon Tax on Small and Medium Enterprises in Australia

Castalia assessed the effects of a proposed carbon tax on the small and medium-sized trade-exposed manufacturing firms in Australia, and the likely costs to the economy. Australian small and medium sized manufacturing businesses face strong competition from Asian and other firms. A unilateral carbon tax in Australia would increase costs only for Australian businesses reducing investment and employment in Australia without reducing global emissions.
July 17, 2019/by Site Admin

Alinta Energy Debt Valuation, 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

Pharmaceutical Procurement of Targeted High Cost Medicine, New Zealand

Castalia developed proposals to incorporate targeted high-cost medicines into the public health system’s pharmaceutical benefits scheme. New Zealand’s pharmaceutical procurement model favors medicines that provide broad-spectrum benefits to larger population groups. Patients have significantly lower levels of access to high-cost targeted medicines compared to Australia.
July 17, 2019/by Site Admin

Expert Evidence on Nitrate Emissions Trading System to Protect Lake Taupo, New Zealand

Castalia compared effects of a regulatory regime and a cap-and-trade scheme to reduce non-point nitrate emissions into New Zealand’s Lake Taupo. Increased nitrate run-off from dairy farming was threatening the quality of water in Lake Taupo. Environment Waikato proposed what it called an ‘emissions-trading scheme’ which had the effect of stopping land from being converted to dairy-farming while doing little to improve the farming practices of existing dairy-farmers.
July 17, 2019/by Site Admin

Review of Market Competition for Livestock Improvement Services, New Zealand

Castalia compared existing access prices with prices calculated under the Efficient Component Pricing Rule (ECPR) to show that New Zealand’s Livestock Improvement Corporation (LIC) was not deterring competition through its charges for use of its livestock database. New Zealand’s Commerce Commission suspected the LIC was monopolizing the dairy cattle improvement market by setting high access prices to the livestock database.
July 17, 2019/by Site Admin

Light Rail Transit PPP, Philippines

Castalia advised the Philippines Government on creating a contract management office that would supervise and manage a PPP contract for a US$1.5 billion light rail transit line upgrade and extension. The Philippines Government wanted to alleviate Manila’s serious traffic congestion by upgrading and extending the city’s light rail transit line 1 (LRT1) and increasing throughout from 500,000 passengers to 800,000 passengers each day.
July 11, 2019/by Site Admin

Hawkes Bay Irrigation Plan, New Zealand

Castalia forecast irrigation demand and assessed volume risk for the proposed Ruataniwha Plains Water Storage Project. Irregular rain in the region caused periodic droughts and reduced farmers’ ability to raise high value crops on the Ruataniwha Plains.
July 11, 2019/by Site Admin

Standard Chartered Bank (HK) Ltd. v. United Republic of Tanzania ICSID Case No. ARB/10/12

Castalia provided expert testimony to demonstrate that IPTL, an independent power provider, had overcharged the Tanzania Electric Supply Company (TANESCO).
July 11, 2019/by Site Admin