Intern - Accounting

Mansfield Service Partners is searching for an Accounting Intern for our 2026 Summer Internship Program in Houston, TX.

The goal of the Accounting Internship is to provide a well-rounded business management education to the intern. Intern will perform value-added activities for Mansfield while learning how to incorporate their accounting knowledge and skills in a professional setting.

In addition to learning sound business management skills, which are transferable to any future career, the intern will acquire a working knowledge of Mansfield's different business lines including fuels, lubricants, marine, and environmental disposal. The initial period will include training and shadowing, with the long-term focus of owned project work making up the majority of the effort after concept introductions and training.

Key Projects

• Assist with day-to-day accounting, to include monthly closings, journal entry preparation, and preparation of complete and accurate monthly financial statements
• General ledger account reconciliations
• Prepare various financial reports to be presented to management
• Monitor payment discrepancies and validate cash management
• Assist with ERP system implementation
• Formal documentation of standard operating procedures (SOPs)

Key Learning Outcomes / Development Opportunities

• Experience in full cycle accounting and other business functions for a multi-entity company within the Fuel and Logistics Industry
• Use of Excel and other technical resources to provide effective reporting and analytics
• Develop working knowledge of best practices for designing and restructuring accounting system
• Successful collaboration with a dynamic accounting team
• Develop basic proficiency in project management
• Enhance communication skills (written, verbal and presentation)

Mansfield's summer internship is a full-time, paid role ($18/hour) running May 18-July 31, 2026. Candidates must be able to work onsite, fully in office, in Houston, TX for the entire duration of the program.