3 Internship Programs - For college-level students to choose their Valero experience

Summer Icon

Summer Internship

Business & Engineering

12-week long program

Mid-May through mid-August

40 hours per week

Spring Icon

Spring Co-op or Fall Co-op


16-week program

During traditional spring or fall semester

40 hours per week

Ongoing internship icon

On-Going Internship


Year-long program

40 hours per week in summer

20+ hours per week during traditional spring and fall semesters.

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Join Team Valero

Are you ready to elevate your skills?

Are you ready for a real-world, best-in-class experience?

Are you ready to Begin an Exceptional Future as a Valero Intern?


Minority Engineering Summit

Valero's Minority Engineering Summit, which includes a $1,500 education scholarship, is intended for minority college freshmen who are majoring in engineering. Participants are invited to a four-day experience at Valero Headquarters in San Antonio, where they are immersed into the refining business and our Valero culture; participate in career-building and life-skills training; tour a Valero refinery; take part in volunteer and social events; and network with Valero leadership.


Engineering Internships

Preparing engineering students for a future working in the energy industry.

Summer interns and fall and spring co-op engineering interns work mostly at our refinery or renewables sites, which operate 24/7/365.

  • Engineering Icon

    Chemical Engineering: Refining

    Process Engineering

    Works with field operators, console operators and unit managers to provide optimization, troubleshooting advice and generalized technical guidance on operating units within refinery.

    Environmental Engineering

    Assists with compliance reports and emission tracking. Performs and reports daily emissions calculations. Reviews and incorporates regulatory updates.

    Process Controls Engineering

    Supports refineries through control and instrument activities. Supports hardware and software platforms. Troubleshoots when necessary.

  • Engineering Icon

    Mechanical Engineering: Refining

    Reliability Engineering

    Troubleshoots equipment operation and maintenance problems. Analyzes equipment performance. Implements programs to improve reliability and decrease reactive maintenance.

    Project Engineering

    Develops and engineers project scope for variety of capital expense and maintenance projects. Supports timely and efficient project execution.

  • Engineering Icon

    Electrical Engineering: Refining

    Electrical (Power) Engineering

    Responsible for overall safety and reliability of industrial power distribution system. Supports refinery projects by developing equipment design specifications, performing engineering design reviews and providing startup/commissioning technical support. Develops and leads electrical reliability improvement initiatives.

    Process Controls Engineering

    Develops and implements process control schemes in plant-distributed control system. Recommends options to improve refinery operations.

    Instrument Engineering

    Provides technical expertise for specification, design, purchase and commission of process instruments. Designs instrumented systems such as programmable logic controllers and safety-rated logic solvers. Troubleshoots instrument problems for operations and maintenance.

  • Safety Icon

    Safety: Refining

    Safety Engineering

    Supports opportunity projects and evaluates process changes and new chemicals for safety impact or compliance. Maintains records to demonstrate compliance.

    Process Safety Engineering

    Supports development, implementation, review, audit, promotion and revision of Process Safety and Risk Management Program.

  • Project Constructcion

    Project Construction: Refining

    Supports Refinery Turnaround and Capital Project teams with planning, construction, commissioning and startup of refinery projects. Recognizes safety, health and environmental concerns affecting equipment or personnel during project execution.

  • Renewable Engineering Icon

    Renewable Engineering


    At our ethanol plants we seek chemical, mechanical and biosystems engineering majors who are passionate about alternative energy. Interns learn about ethanol production and play a key role in the safe and effective day-to-day operations at the plant.


    The Renewables division offers two programs: a co-op program and on-going intern program. Students see projects from conception to completion. At the plant, you will interact daily with personnel from engineering, maintenance, operations, laboratory, shipping/receiving and administrative area and your experience may include problem-solving in solids handling, fluid transport, heat exchange, or biological processes.

Business Internships

Preparing business students for a future working in the energy industry.

Summer and ongoing business interns are located at Valero’s corporate headquarters in San Antonio, TX.

  • Business Communications Icons


    Supports department projects and strategies by developing content for the internal portal and social media. Develops news stories to assist with outreach events.

  • Investments Icon


    Forecasting & Investments

    Assists with debt administration and cash forecasting and budgeting.

    Wholesale Credit

    Reconciles accounts, prepares exposure reports and analyzes customers financials and metrics. 

  • Information Services Icon

    Information Services (I/S)

    Enterprise System Development (Technical Developer)

    Develops new systems and maintains current business software used at all Valero locations.

    Functional (Business Analyst)

    Works directly with business units and end users to gather requirements to develop technology-based solutions to challenges Valero faces in the market. 

    Infrastructure & Operations

    Responsible for the design, build and 24x7 support of critical computing resources such as servers, storage, data centers and networks. 


  • Accounting Icon

    Accounting / Audit

    The accounting on-going internship is a rotation program. Interns may be assigned to one of the following departments throughout the rotational internship:

    • Bulk Finished Product Accounting
    • Corporate Audit
    • Corporate Tax Accounting
    • Ethanol/Refining Analysis
    • International Products Accounting
    • Inventory & Yield Accounting 
    • Sales & Use Tax Accounting
    • Vendor Invoice Management & Analysis
    • Wholesale Refined Products 
  • Marketing & Supply Icon

    Commercial Supply & Trading

    Commercial Supply & Trading interns work in a collaborative environment to complete special projects that are presented to senior management. Internship projects will be assigned from on of the following areas in the Marketing & Supply department:

    • Product Supply and Trading
    • Crude Oil Supply and Trading
    • Transportation (Rail and Marine)
    • Wholesale Marketing
  • Legal Icon


    • Assist Legal Department with preparation and review of documents such as pleadings, affidavits, contracts and trial notebooks 
    • Attend client meetings, depositions and court hearings with in-house and outside counsel alongside company representation
    • Research applicable areas of law and prepare memoranda in concert with company representation
    • Assist in file maintenance and organization.
  • Human Resources Icon

    Human Resources

    • May be located at San Antonio or a refinery
    • Assist with site-specific recruiting efforts
    • Support development of training materials
    • Assist with development, review, and communication of company practices and policies
    • Prepare routine and ad hoc reports as needed
    • Exposure to unions at refineries and handling personnel issues.

Intern Application Process

Valero Intern Application Process Infographic
Employee and Doctor at Valero Wellness Clinic

Competitive Benefits

Employee and Family Wellness

Valero is committed to supporting the health and wellness of our employees and their families.

More About Refining Intern/Co-op Benefits

More About Renewables Intern/Co-op Benefits