Quality Co-Op

MLC; Missouri; On-site; USD 25,000 - 33,000; Part time

Job summary

MLC in St. Louis, MO is seeking a Quality Co-Op to support QA/QC initiatives, perform standard laboratory tests on production samples, and assist with data collection and documentation.

You’ll work with Lab Technicians and Chemists, gain hands-on experience in calibration, trend analysis, and continuous improvement, while maintaining data integrity and safe practices in an industrial environment.

Qualifications

• Sophomore standing or higher pursuing a Bachelor's degree in Chemistry, Chemical Engineering, or a related scientific discipline.
• Minimum 2.75 GPA.
• Ability to work in an industrial manufacturing, mining, and chemical processing environment.
• Proficiency with Microsoft Office applications, including Excel, Word, PowerPoint, and Outlook.

Responsibilities

• Conduct standard laboratory tests on production and special project samples while following established procedures and good laboratory practices.
• Assist with laboratory instrument calibrations, performance checks, and test validation activities.
• Support special projects involving comparative testing, method evaluations, and laboratory process improvements.
• Collect, organize, and analyze quality data to identify trends, outliers, and opportunities for improvement.
• Collaborate with Lab Technicians, Chemists, Data Analysts, and Quality leadership to support departmental objectives.
• Assist in maintaining laboratory records, documentation, and reporting systems to ensure data integrity.
• Support efforts to keep laboratories clean, organized, and operating efficiently.
• Develop reports, recommendations, and presentations that support quality and operational decision making.

Skills

Analytical reasoning

Problem solving

Critical thinking

Team collaboration

Communication

Attention to detail

Education

Bachelor’s degree tracking (Chemistry, Chemical Engineering or related)

Tools

Microsoft Office (Excel, Word, PowerPoint, Outlook)

Job description

• Highly collaborative work environment focused on growth and innovation
• Safety and sustainability are top priorities
• Excellent compensation, benefits, generous perks; focused on employee wellbeing
• Great development and advancement opportunities
• Bring your real self to work, come grow with us!

Job Title: Quality Co-Op

Why consider a career at MLC?

MLC operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world…and we are global! The company is committed to development and employee satisfaction. Join our outstanding team!

Professional Growth Opportunities

Skills

As a Quality Co-Op, you'll gain real-world experience while contributing to quality assurance and quality control initiatives that support product excellence and operational performance. Students will have opportunities to develop skills in:

• Analytical laboratory testing and sample preparation
• Quality assurance and quality control processes
• Laboratory equipment calibration and verification procedures
• Data collection, analysis, and interpretation
• Statistical evaluation and trend identification
• Continuous improvement and process optimization
• Cross-functional collaboration with laboratory and operations teams
• Professional communication and technical reporting skills

What You'll Do

• Conduct standard laboratory tests on production and special project samples while following established procedures and good laboratory practices
• Assist with laboratory instrument calibrations, performance checks, and test validation activities
• Support special projects involving comparative testing, method evaluations, and laboratory process improvements
• Collect, organize, and analyze quality data to identify trends, outliers, and opportunities for improvement
• Collaborate with Lab Technicians, Chemists, Data Analysts, and Quality leadership to support departmental objectives
• Assist in maintaining laboratory records, documentation, and reporting systems to ensure data integrity
• Support efforts to keep laboratories clean, organized, and operating efficiently
• Develop reports, recommendations, and presentations that support quality and operational decision making

Required Qualifications

• Sophomore standing or higher pursuing a Bachelor's degree in Chemistry, Chemical Engineering, or a related scientific discipline
• Minimum 2.75 GPA
• Ability to work in an industrial manufacturing, mining, and chemical processing environment
• Knowledge of basic chemistry principles and good laboratory practices
• Proficiency with Microsoft Office applications, including Excel, Word, PowerPoint, and Outlook
• Strong analytical, problem-solving, and critical-thinking skills
• Ability to work independently and collaboratively within a team environment
• Strong organizational skills, attention to detail, and commitment to data accuracy
• Effective verbal, written, and interpersonal communication skills with a commitment to maintaining a safe work environment

Preferred Qualifications

• Completion of college laboratory coursework involving analytical testing and data collection
• Experience working in a laboratory, manufacturing, or industrial environment
• Coursework or project experience involving quality assurance, quality control, or statistical analysis
• Experience interpreting data and identifying trends to support business decisions
• Interest in industrial manufacturing, mining, chemical processing, or laboratory operations
• Ability to effectively work with cross-functional teams in a fast-paced environment

The Fine Print

Benefits and perquisites may vary based on the nature and location of each job.

About MLC

MLC, headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service. The company’s expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business. For more information, visit https://www.mlc.com/.