Customer Support Specialist

Posted Tuesday, January 20, 2026 at 5:00 AM

At Calumet we deliver innovative specialty products trusted by companies across the globe. We are the foundation to everyday essential products that help millions of people live and thrive. We are headquartered in Indianapolis and have numerous production locations in the US. We are customer focused and utilize our values of collaboration and entrepreneurship to grow the business. We offer a dynamic, high-performance environment where team members can have real input and impact on our business.

If you’re ready to roll up your sleeves, treat the business as if it is your own and add value accordingly, come see why we’re Calumet Proud!

The Customer Support Specialist provides front line support for the Customer Support function. This position is responsible for utilizing the Company’s business systems for order fulfillment. This role will interact directly with Calumet customers, Sales, Plant personnel, Accounting, Credit, Pricing and Transportation.

• Responsible for timely and accurate contract data entry, back to back sales order entry & tracking, credit rebills, sulfur credit/RINs invoices, invoicing various customers, demurrage invoices and STO Order creation
• Support renewable billing functions, including tracking provisional and final CI billing; provide backup support for billing activities; and assist with quarterly true-ups
• Daily OPIS pricing services
• Customer advocate bringing voice of customer insights for continual improvement
• Investigate and resolve customer issues for corrective and preventive action
• Represent Calumet in a professional manner and create strong partnerships through exemplary customer support
• Provide administrative support to department as needed
• Being proactive with customers in all aspects of service levels
• Reconcile customer invoices and accounts receivables
• Other duties as assigned

• High school diploma or GED
• 3+ years of related customer support experience in a manufacturing or distribution environment
• Proficient computer skills with demonstrated experience in Microsoft office, order entry systems

• 5+ years of business to business customer service experience
• College degree or equivalent work experience
• Prior experience with SAP system
• Computer savvy with strong technical skills

• Highly organized with the ability to manage multiple projects and assignments in a rapidly changing environment while meeting critical deadlines
• Problem solver with ability to provide solutions
• Excellent interpersonal communication, both written and verbal
• Ability to prioritize tasks effectively
• Demonstration of Calumet Values – Safety, Environment & Social Responsibility, Teamwork, Ownership, Passion for Customers, and Excellence

Salary and benefits commensurate with experience. We are an equal opportunity employer including disability and veteran. All offers of employment are conditioned upon successfully passing a drug test.