Principal Investments Intern (Summer 2027) at Castleton Commodities International | GB | Rezi

Principal Investments Intern (Summer 2027) at Castleton Commodities International

Principal Investments Intern (Summer 2027)

Castleton Commodities International · GB

2 weeks ago

Principal Investments Intern (Summer 2027)

Castleton Commodities International · GB

17 days ago
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About the Role

This internship offers meaningful responsibility from day one on live deals and active portfolio assets, with direct mentorship and daily exposure to senior team members. Gain broad, end-to-end deal experience across origination, execution, and ownership, and contribute to the energy transition at scale across European markets within a collaborative culture that values curiosity, initiative, and excellence.

Responsibilities

  • Work alongside senior members of the Principal Investments team to originate and execute investment opportunities across Europe.
  • Support the full investment lifecycle: market research, M&A valuation, due diligence, deal execution, financing/refinancing, and portfolio management.
  • Build and refine financial models to evaluate equity and debt opportunities, informing real investment decisions.
  • Prepare materials for investment committee and board approvals, pre- and post-investment.
  • Analyze complex financial, commercial, and power market data to develop and stress-test investment theses.
  • Track market trends, policy developments, and competitive dynamics to inform strategy.
  • Collaborate with trading, risk, legal, and operations to ensure timely and robust transaction execution.
  • Coordinate with external advisors such as consultants, lenders, legal, etc.
  • Maintain and enhance internal databases and market intelligence.

Requirements

  • Currently pursuing a degree in finance, economics, mathematics, engineering, or a related field; other disciplines considered with demonstrable corporate finance experience.
  • Target graduation between December 2027 and Summer 2028 (i.e.: Candidate must be available for full-time roles by end of September 2028).
  • Strong financial modeling, analytical, and quantitative skills.
  • Clear and concise communication skills—written, verbal, and presentation.
  • High initiative, ownership mindset, and comfort working in a lean, fast-paced team.
  • Genuine interest in investing, the energy transition, and European power markets.
  • Prior experience in private equity, investment banking, or corporate finance is a plus, not a requirement.
  • Proficiency in a European language (e.g., French, German, or Spanish) is advantageous but not required.

Skills

  • Financial modeling
  • Valuation
  • Market research
  • M&A
  • Due diligence
  • Deal execution
  • Financing
  • Refinancing
  • Portfolio management
  • Financial analysis
  • Quantitative analysis
  • Communication (written, verbal, presentation)
  • Microsoft Excel
  • Microsoft PowerPoint

Location

  • London

Work Type

  • Internship
  • Full-time

Experience Level

  • Intern

Education Level

  • Degree in finance, economics, mathematics, engineering, or related field

About the Company

  • The European Principal Investments team supports continued growth with a preeminent investment team, a strong track record, and a substantial capital deployment agenda across energy transition, digital infrastructure, and critical European supply chains.
  • Operates with a flexible, opportunistic mandate, unconstrained by rigid investment guidelines, allowing investment across the capital structure, ownership levels, and stages of development.