Company: Calumet Specialty Products Partners, LLC
Skills: Executive, Chemical Engineering, Chemist
Experience: 1 + Years
Education: Bachelors/3-5 yr Degree
Location: Princeton, Louisiana, United States



The Assay Chemist role will be located in Calumet's Princeton, Louisiana facility and is responsible for crude oil feedstock testing, crude assay management, the assay stills, assay procedures and methods development, coordinating all internal and external testing, and other duties. This position reports to the Lab Supervisor; dotted line reporting responsibility to Director, Supply Chain Modeling and Strategy.




  • Evaluates potential new crude oil feedstocks and monitors ongoing quality of current crude oil feedstocks via distillation and analytical testing, and reports/inputs results into the assay database, analyzing results for validity and internal consistency

  • Assists with monitoring of crude quality changes over time using results of testing and assay software tools. Assay work is in support of corporate modeling group

  • Leads and supports the development and improvement of lab test methods and procedures

  • Ensures assay equipment is operating correctly and can meet all requirements

  • Reviews and evaluates crude testing results and works with the corporate planning and modeling groups to generate material conclusions

  • Manages related supplies and inventory

  • Leads and/or works with other departments on inquires

  • May be assigned to work on site initiatives

  • Manages and coordinates the storage and handling of inbound and outbound samples and retains

  • Capable of maintaining detailed records in research notebooks.

  • Employs creativity and problem solvent skills to find solutions to business opportunities.

  • Ensures data integrity and cleanliness of the laboratory

  • Other duties as assigned


  • 5 or more years of petroleum or chemical related experience and/or training
  • Maintain confidentiality of intellectual property and data.

  • Strong safety focus.

  • Self-starter and quick learner

  • Strong organizational skills, including the ability to work effectively with personnel at all levels

  • Team player

  • Effectively communicates at all levels of the organization

  • Demonstrated decision making and analytical skills

  • Results-driven, action-oriented, and delivers on commitments
    Motivated, self-starter and able to work self-sufficiently.

  • Effective time management and multitasking skills.

  • Ability to work in a dynamic and collaborative environment with others both internal and external to Calumet.


  • Bachelor's Degree from a four-year College or University

  • Solid understanding of analytical chemistry

  • Proficiency with and maintains current knowledge of ASTM petroleum test methods

  • Ability to lift and transfer contents of five-gallon (~forty pound) sample cans

  • Ability to occasionally travel.

  • Good working knowledge of lab methods and procedures

  • Proficient in Microsoft Office Package,includingwordprocessing,spreadsheets,database,presentationsoftware, electronic mail and scheduling

  • Experience and understanding of standardized and non-standardized test methods



  • Bachelor's degree in Chemistry

  • 7 or more years of petroleum or chemical related experience and/or training

  • Knowledge of lab methods and procedures in the petroleum industry

About Calumet Specialty Products Partners, L.P.


A Commitment to Excellence in Hydrocarbon Specialty Products

Calumet Specialty Products Partners, L.P. (NASDAQ: CLMT) is a master limited partnership and a leading independent producer of high-quality, specialty hydrocarbon products in North America. Calumet processes crude oil and other feedstocks into customized lubricating oils, solvents and waxes used in consumer, industrial and automotive products; produces fuel products including gasoline, diesel and jet fuel; and provides oilfield services and products to customers throughout the United States.


Calumet is based in Indianapolis and produces nearly 3,500 unique specialty products used in the development of the world’s most trusted brands and products. Calumet is vertically integrated and holds a comprehensive portfolio of branded products for use in commercial, industrial, and consumer applications. Headquartered in Indianapolis, Indiana, the company employs approximately 1,600 people and operates 10 facilities across North America, including 9 specialty products manufacturing and production facilities. Calumet products and services are available in approximately 52 countries across the world; serving approximately 4,400 customers globally.