Jobs at Castleton Commodities International (Now Hiring) — 24 open

Tax Technology Lead

Stamford, Connecticut, United States · On-site

Senior$4.2B raised

We are seeking a Tax Technology Lead to support the modernization, automation, and optimization of our global tax function. This role will serve as a hands-on technical lead within Tax, partnering closely with Tax, Finan…

Skills: Tax technology, Automation, Data analytics, SAP, Power BI

Commodities Trading Rotational Analyst Graduate Programme (2027 Start)

London, England, United Kingdom · On-site

Entry level$4.2B raised

Application Deadline: September 22nd at 12 pm BST Program Overview Video Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. As a trader, CCI deploys cap…

Skills: Python, SQL, R, Matlab, C++

Data Science Machine Learning Internship (Summer 2027)

Stamford, Connecticut, United States · On-site

Entry level$4.2B raised

Application Deadline: September 1, 11:59pm EST Program Summary - Commercial Technology Internships Company Overview: Castleton Commodities International is a leading global energy commodities merchant and infrastructure …

Skills: Machine Learning, Time Series Forecasting, Python, Pandas, NumPy

Front Office Software Engineer Internship (Summer 2027)

London, England, United Kingdom · On-site

Entry level$4.2B raised

Application Deadline: September 1st, 11:59pm EST Program Summary - Data Science & Technology Internship Company Overview: Castleton Commodities International is a leading global energy commodities merchant and infrastruc…

Skills: Python, AWS, APIs, Snowflake, Pandas

Operations & Finance Leadership Program (Summer 2027 Start)

Stamford, Connecticut, United States · On-site

Entry level$4.2B raised

Application Deadline: September 15th,12pm EST Program Overview Video Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. As a trader, CCI deploys capital…

Skills: Excel, Python, SQL, Database Management, Analytical Skills

Commodities Trading Summer Analyst Internship Program (Summer 2027 Internship)

Stamford, Connecticut, United States · On-site

Entry level$4.2B raised

Application Deadline: September 3rd, 12pm EST Program Overview Video Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. As a trader, CCI deploys capital…

Skills: Python, C++, VBA, Excel, SQL

Operations & Finance Leadership Internship Program (Summer 2027 Start)

Stamford, Connecticut, United States · On-site

Entry level$4.2B raised

Application Deadline: September 15th, 12pm EST Program Overview Video Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. As a trader, CCI deploys capita…

Skills: Excel, VBA, Database Management, Analytical Skills, Communication Skills

Operations & Finance Leadership Program (January 2027 Start)

Stamford, Connecticut, United States · On-site

Entry level$4.2B raised

Application Deadline: September 15th Program Overview Video Operations & Finance Leadership Program Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. A…

Skills: Analytical Skills, Technical Skills, Excel, Vba, Database Management

Full-Stack Software Engineer Internship (Summer 2027)

Stamford, Connecticut, United States · On-site

Entry level$4.2B raised

Application Deadline: September 1st at 11:59 pm EST Program Summary - Data Science & Technology Internship Company Overview: Castleton Commodities International is a leading global energy commodities merchant and infrast…

Skills: Python, AWS, APIs, Snowflake, Streamlit

Data Engineering Internship (Summer 2027)

Stamford, Connecticut, United States · On-site

Entry level$4.2B raised

Application Deadline: September 1, 11:59 pm EST Program Summary - Data Science & Technology Internship Company Overview: Castleton Commodities International is a leading global energy commodities merchant and infrastruct…

Skills: Python, SQL, Snowflake, ETL, Data Pipelines

Commodities Trading Summer Analyst Internship Programme (Summer 2027)

London, England, United Kingdom · On-site

Entry level$4.2B raised

Application Deadline: September 22nd at 12pm BST Program Overview Video Castleton Commodities International is an independent global commodities merchant. As a trader, CCI deploys capital on a proprietary basis in the ph…

Skills: Python, SQL, C++, VBA, Excel

Data Engineering Internship (Summer 2027)

London, England, United Kingdom · On-site

Entry level$4.2B raised

Application Deadline: September 1st, 11:59m EST Program Summary - Data Science & Technology Internship Company Overview: Castleton Commodities International is a leading global energy commodities merchant and infrastruct…

Skills: Python, SQL, Snowflake, ETL, Data Pipelines

Commodities Trading Rotational Analyst Program (Summer 2027 Start)

Stamford, Connecticut, United States · On-site

Entry level$4.2B raised

Application Deadline: September 3rd, 12pm EST Program Overview Video CCI’s Commercial Rotational Analyst Program Castleton Commodities International is a leading global energy commodities merchant and infrastructure asse…

Skills: Python, C++, VBA, Excel, SQL

Data Science Machine Learning Internship (Summer 2027)

London, England, United Kingdom · On-site

Entry level$4.2B raised

Application Deadline: September 1, 2026 at 11:59 pm EST Program Summary - Data Science & Technology Internship Company Overview: Castleton Commodities International is a leading global energy commodities merchant and inf…

Skills: Machine Learning, Time Series Forecasting, Python, Pandas, NumPy

Applied AI Engineer

London, England, United Kingdom · On-site

Mid level$4.2B raised

We are seeking a talented and detail-oriented Applied AI Engineer to join our Global Data Science team and help internal technology and commercial teams adopt CCI’s approved AI tooling effectively. The ideal candidate wi…

Skills: Generative AI, Prompt Engineering, RAG, Python, SQL

Data Engineer – Data Science & Technology

London, England, United Kingdom · On-site

Mid level$4.2B raised

At Castleton Commodities International (CCI), we are redefining how data and technology shape the future of energy trading. Our Data Science & Technology team is at the forefront of this transformation, developing system…

Skills: SQL Programming, Data Architecture, Dimension Modeling, ETL/ELT Frameworks, Python

Operations & Finance Leadership Program (Immediate Start)

Houston, Texas, United States · On-site

Entry level$4.2B raised

Program Overview Video Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. As a trader, CCI deploys capital on a proprietary basis in the physical and fi…

Skills: Analytical Skills, Technical Skills, Excel, VBA, Database Management

Natural Gas Scheduler

Houston, Texas, United States · On-site

Entry level$4.2B raised

Castleton Commodities International is seeking a Natural Gas Scheduler to join our Houston office. This role will support CCI’s Natural Gas business by managing daily and intraday pipeline nominations, confirmations, bal…

Skills: Natural Gas Scheduling, Pipeline Nominations, ETRM Systems, Microsoft Excel, Physical Gas Optimization

Asset Operations & Management

Houston, Texas, United States · On-site

Senior$4.2B raised

Castleton Commodities International is seeking an Asset Operations & Management professional to join its Principal Investments organization in Houston, TX. This role is responsible for the oversight, development, and opt…

Skills: Financial Modeling, Asset Management, PowerPoint, Financial Analysis, Environmental Compliance

Contract Negotiator

London, England, United Kingdom · On-site

Mid level$4.2B raised

Castleton Commodities International LLC, a leading merchant commodity firm is hiring a Contract Negotiator to negotiate certain master agreements and guarantees, as well as serve as a liaison with counterparties, interna…

Skills: Contract Negotiation, Energy Commodity Agreements, ISDA, EFET, CPMA

About Castleton Commodities International

Unlocking Value in Energy Markets

Industry
Oil and Gas
Company size
201-500 employees
Founded
2001
Headquarters
Stamford, CT
LinkedIn followers
40,105
Total funding
$4.2B

Castleton Commodities International is at the cutting edge of energy trading and infrastructure asset investing backed by the best minds in the industry and powered by deep fundamental research and advanced analytics. We recognize the importance of providing sustainable and reliable energy. To explore available opportunities, please visit the CCI website at www.cci.com.

Offices: 2200 Atlantic Street, Suite 800, Stamford, CT 06902, US · 811 Main St, Houston, Texas 77002, US · 202 6 Ave SW, Calgary, Alberta T2P 2R9, CA · 20 Fenchurch Street, City of London, England EC3M 3BY, GB · 27-64 One Raffles Place, Tower Two, Singapore, SG

Renewable EnergyOil and GasEnergy
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