Jobs at Castleton Commodities International

The Senior Site Reliability Engineer improves infrastructure reliability and scalability, partners with various teams, implements IaC and CI/CD, and ensures business continuity through effective BCP/DR planning.

Summer internship on the Global Data Science team to develop and optimize time-series forecasting models (ARIMA/SARIMA, XGBoost, LSTM). Support end-to-end data ingestion, back-test datasets, collaborate with traders and analysts, and conduct ad hoc research on energy fundamentals and analytics trends.

The Vice President, Senior Database Administrator leads enterprise database platforms, ensuring security, performance, and scalability while implementing best practices and overseeing teams across cloud and on-prem environments.

Two-year rotational program for new graduates to develop leaders in operations and finance. Participants complete four six-month rotations across settlements, trading operations, treasury, credit, tax, enterprise improvement, and product control, work on strategic projects, receive training, and may receive full-time offers from host groups.

Supports U.S. indirect tax compliance and analysis for oil liquids activities. Responsibilities include researching tax laws, preparing returns, managing audits and documentation, reconciling payments, resolving tax authority notices, implementing legislative changes, reviewing contracts, and coordinating with trading and operations teams to ensure accurate tax treatment.

Provides administrative and operational support for a power plant team, including invoice processing, purchasing, budgeting, accruals, vendor coordination, SAP and maintenance-system administration, inventory and work-order records, scheduling, and meeting coordination. The role also supports procurement, accounting, special projects, and cross-functional activities involving land, environmental, project management, and safety departments.

Partner with stakeholders to discover AI use cases, configure enterprise GenAI tools, build and maintain high-quality prompts, contexts, and RAG/document-intelligence pipelines, evaluate and improve AI outputs, create reusable playbooks/templates, and enable teams on governed, production-ready AI workflows.

Hands-on role building and maintaining a firmwide front-office trading, investment, and analytics platform. Develop Python services and APIs, SQL-backed data workflows, cloud-native integrations, and visualization tools. Partner with commercial trading teams to optimize trading processes, support market data/positions analysis, and drive cloud-first development.

The Hydrologist role involves designing and maintaining quantitative forecasting tools for hydrological variables, integrating them into power generation forecasts. The role requires strong programming skills and familiarity with hydrological modeling.