Full-Time

Senior Counsel – Principal Investments & Merchant Energy Trading

Posted on 2/21/2026

Castleton Commodities International

Castleton Commodities International

501-1,000 employees

Energy trading and infrastructure asset investing

No salary listed

London, UK

In Person

Category
Legal & Compliance (1)
Required Skills
Risk Management
Requirements
  • Minimum of 7 years’ post-qualification experience as an attorney, with significant exposure to the energy industry.
  • Strong track record in Mergers and Acquisitions and advising on merchant energy businesses.
  • Strategic thinker with the ability to advise and partner with senior executives, innovative business development teams and other internal functions.
  • Exceptional skills in negotiation, drafting, and communication.
  • Highly analytical, commercially minded, and adept at operating in a fast-paced, entrepreneurial environment.
  • Ability to meet tight deadlines without compromising on quality or detail.
  • Must be able to work effectively in a fast-paced, dynamic and high-intensity environment including open-floor plan if applicable to the position, with timely responsiveness and the ability to work beyond normal business hours when required.
  • Qualified to practice law in the United Kingdom.
Responsibilities
  • Advise on acquisitions, divestitures, and joint ventures, as well as broader portfolio management activities across the Company’s investments in power generation and storage.
  • Structure, negotiate, and draft key transaction documents and agreements.
  • Advise on dispute resolution when required.
  • Coordinate with internal stakeholders and manage cross-functional issues across departments.
  • Liaise with and manage external counsel to ensure seamless execution of projects and efficient operation of the business.
  • Advise on project and corporate financing for the asset portfolio.
  • Serve as a key legal advisor to commercial teams on deal structuring, negotiation, and risk management and to support teams relating to the general operation of the business.
  • Draft and negotiate a wide range of contracts related to physical and financial commodity transactions (e.g., purchase and sale agreements, asset and infrastructure and credit related agreements).
  • Advise on trade finance, including under the borrowing base, bilats and repos.
  • Collaborate with trading, credit, risk, operations, tax, and compliance teams on issues impacting business operations.
  • As currently the sole member of the CCI legal team based in London, serve as key point of contact for all EMEA legal issues arising from time to time including entity management and governance, regulatory matters, and disputes.
  • Work closely with, and provide legal advice to, other corporate functions based in London including Compliance, Tax, Credit, Finance, Contracts, HR and Facilities.
Castleton Commodities International

Castleton Commodities International

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Castleton Commodities International trades energy and invests in energy infrastructure assets using deep fundamental research and data analytics. It buys and sells physical energy commodities and owns or funds infrastructure assets like storage facilities and pipelines, guided by market research to forecast supply and demand and to manage risk. It stands out by combining rigorous fundamental analysis with analytics and by blending short-term trading with long-term infrastructure ownership, unlike firms that focus on only one approach. Its goal is to provide sustainable, reliable energy while growing capital through disciplined trading and asset investments.

Company Size

501-1,000

Company Stage

Debt Financing

Total Funding

$2.1B

Headquarters

Stamford, Connecticut

Founded

2001

Simplify Jobs

Simplify's Take

What believers are saying

  • CCI renewed $2.1B credit facilities in November 2025 with 17 banks oversubscribed.
  • CCI acquired Linden VFT on February 11, 2026, enabling PJM-NYISO bi-directional transfer.
  • CCI bought Hunlock Creek 169 MW plant from UGI in November 2024 for Marcellus access.

What critics are saying

  • US natural gas price spikes erode Marcellus assets' throughput in 6-12 months.
  • German BESS projects delay past 2026-2028 due to grid and permitting bottlenecks.
  • PJM capacity prices crash below $100/MW-day in 2026 from gas-solar oversupply.

What makes Castleton Commodities International unique

  • CCI integrates commodity trading with ownership of gas plants and transmission assets.
  • CCI expands globally, acquiring 310 MW BESS portfolio in Germany via S4 Energy.
  • CCI optimizes power assets like Hunlock Creek for storage and data center expansion.

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Benefits

Health Insurance

Dental Insurance

Life Insurance

Employee Assistance & Wellness Programs

Parental Leave

Charitable Contribution Match Program

Tuition Assistance & Reimbursement

Paid Time Off

Continued Learning Opportunities

Employee Discount Program

Gym Membership

Company News

TradingKey
Mar 31st, 2025
Japan's Tokyo Gas expands in US shale gas with Chevron deal

T and Castleton Commodities International, has bought a 70% stake in east Texas gas assets from Chevron for $525 million, the company said on Tuesday, as it expands its U.S. gas business.

PR Newswire
Dec 3rd, 2024
Castleton Commodities International Llc Closes Credit Facilities Totaling $2.1 Billion

STAMFORD, Conn., Dec. 3, 2024 /PRNewswire/ -- Castleton Commodities International LLC (CCI) has announced the renewal of two credit facilities totaling $2.1 billion. The facilities include a $1.9 billion secured borrowing base facility, divided into an $800 million one-year tranche and a $1.1 billion two-year tranche. The secured facility also features a $1 billion accordion option to enhance CCI's liquidity and support future growth. In addition, there is a $200 million one-year committed unsecured revolving credit facility. Consistent with last year, the bank group includes 16 banks from nine different countries

Marcellus Drilling News
Nov 20th, 2024
UGI Sells Marcellus Gas-Fired Power Plant in NE Pa. to Castleton

UGI Corporation, a diversified energy company with midstream (pipeline) operations in the Marcellus and one of Pennsylvania's largest utility companies, is selling its 169-megawatt natural gas-fired power plant near Wilkes-Barre, PA, to Castleton Commodities International for an undisclosed amount.

PR Newswire
Nov 19th, 2024
Castleton Commodities International Llc Acquires The Hunlock Creek Energy Center

STAMFORD, Conn., Nov. 19, 2024 /PRNewswire/ -- Castleton Commodities International LLC (CCI) announced today that a subsidiary has acquired the Hunlock Creek Energy Center (Hunlock) in Luzerne County, Pennsylvania, from UGI Energy Services LLC. Hunlock is a 169-megawatt natural gas-fired power plant in PJM, a regional transmission organization, with access to natural gas from the Marcellus Shale, the largest natural gas-producing formation in the United States. "We continue to expand our U.S. power portfolio with high-quality assets and are excited to add Hunlock to the portfolio," said Jordan Love, principal in CCI's Principal Investments team. "Hunlock is a great fit for our asset optimization capabilities, and we are exploring multiple paths for expansion, including energy storage, data center development and additional gas-fired capacity. We are dedicated to facilitating a seamless transition of ownership and maintaining Hunlock as a reliable and cost-effective power source."

Energy Global
Nov 12th, 2024
Capcora advises Terra One on BESS sale to Castleton Commodities International

Terra One Climate Solutions GmbH, a pioneer in grid scale battery energy storage systems (BESS) in Germany, has announced an agreement to sell a 310 MW portfolio of stand-alone battery storage project rights in Germany to Castleton Commodities International LLC (CCI), a global energy commodities merchant and infrastructure asset investor.

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