Mill Supervisor – Night Shift

Morton Salt, Inc.; Michigan; On-site; USD 70,000 - 95,000; Full time

Job summary

Morton Salt is seeking a Mill Supervisor to oversee the Mill and Loading department, supervising hourly staff and ensuring safe, efficient operations across storage, screening, mixing, pressing, bagging, palletizing, and loading of trucks and railcars.

You will perform quality inspections, maintain regulatory compliance, coordinate maintenance, and act as a liaison with Supply Chain Partners to verify inventory and resolve shipping issues.

Qualifications

• Supervises hourly employees and ensures safe, efficient mill operations.
• Drives continuous improvement and SOP documentation; supports LOTO, PPE, and safety programs.
• Manages quality control and regulatory compliance; coordinates with Supply Chain.

Responsibilities

• Maintain a safe work environment by enforcing policies and procedures.
• Supervise and instruct hourly employees for Mill and Loading processes.
• Lead continuous improvement by coaching and developing staff; support SOPs and LOTO.
• Coordinate with Quality, Engineering and other departments to ensure product quality.
• Analyze KPIs and support continuous improvement and customer satisfaction goals.
• Verify freight-related invoices and coordinate railcar shipments and deliveries.

Skills

Leadership

Analytical thinking

Communication

Project management

Education

High school diploma with 10 years experience

Bachelor's degree in engineering with 1-3 years of experience

Tools

Excel

SAP

Job description

Morton Salt is an iconic company with a strong heritage and a bright future. Since 1848, we have been improving lives and enhancing everyday moments - at home, at work and virtually everywhere in between. We help unlock the flavors in food, make roads and sidewalks safer, improve the water in baths, pools, and homes, and keep businesses and industries running. We are a dedicated team who constantly strives to do better together, and we are passionate about building a sustainable future for our company, the communities in which we operate, and the world around us. By joining our team, you will contribute to producing and delivering every form of salt that enhances everyday life.

Job Summary

The Mill Supervisor is responsible for overseeing the efficient operation of the Mill and Loading department, including direct supervision of hourly employees in the preparation of salt for package and bulk resale - covering storage, screening, mixing, pressing, bagging, palletizing, and loading of trucks and railcars. The supervisor must ensure the overall facility operations during the shift, perform quality control inspections of products, packaging, and ingredients to meet regulatory standards, and act as the facility liaison to Supply Chain Partners, providing inventory verification and resolving shipping/receiving issues. Additionally, the supervisor manages warehouse tasks such as Drop-and-Hook programs and coordinate railcar shipments and deliveries.

Duties And Responsibilities

• Maintain a safe work environment by enforcing company policies and procedures (e.g., LOTO, hot work, confined space) and promoting proactive safety practices among employees and contractors.
• Supervise and instruct hourly employees to ensure safe, efficient operation of Mill and Loading processes.
• Lead continuous improvement efforts by coaching, training, and developing employees; support creation and maintenance of SOPs, PJHAs, and LOTO procedures.
• Support operations across Mill, Bagging, Supersacks, Pellet/Pretzel production, and Shipping as needed.
• Plan and coordinate production schedules to meet output requirements; communicate shift expectations and prepare necessary documentation for handoff.
• Ensure equipment reliability by coordinating maintenance activities and maintaining adequate repair materials.
• Administer Collective Bargaining Agreement and plant policies.
• Monitor operations, maintain logs, and troubleshoot equipment/process issues to improve performance and reliability.
• Collaborate with Quality, Engineering, and other departments to ensure product quality, consistency, and operational efficiency.
• Maintain compliance with GMP, safety, environmental, and regulatory standards; address any issues promptly.
• Perform quality inspections and testing on raw materials, in-process, and finished products; maintain accurate documentation and support a strong quality culture.
• Coordinate logistics and transportation activities, including scheduling, carrier communication, inventory verification, and issue resolution (e.g., dock times, delays, detention).
• Support shipping operations, including drop-and-hook programs and railcar coordination as needed.
• Analyze and track key performance indicators (KPIs); support continuous improvement initiatives and customer satisfaction goals.
• Verify freight-related invoices (e.g., detention, demurrage) for accuracy.
• Complete special projects and additional duties as assigned.

Knowledge, Skills And Abilities

• Advanced Excel skills and knowledge of SAP.
• Self-motivation with leadership and vision.
• Strong analytical skills with the ability to collect, organize, analyze and disseminate significant amounts of information with attention to detail and accuracy.
• Knowledge of key inventory and supply chain performance metrics.
• Excellent oral and written communication skills, including the ability to construct well-written documents that translate data into insights and provide the appropriate level of detail/information.
• Able to prioritize and manage multiple projects simultaneously. Strong track record for execution and follow-through when managing critical deadlines.

Qualifications

• High school diploma or equivalent with 10 years of experience or bachelor's degree in engineering with 1-3 years of experience.

Work Environment

• Flexible schedule and overtime may be required.
• Responds to urgent or emergency situations outside of normal working hours, as needed.
• Works in seated or standing positions for prolonged periods of time.
• May perform sustained manual activities at moderate levels of exertion including lifting and moving loads of up to fifty (50) pounds, climbing ladders / stairs and working on elevated platforms.
• Works and travels throughout surface plant environment of varied temperatures and humidity.
• Must be capable of wearing all required PPE and must be physically able to access all plant work areas.
• Uses full range of motion.
• Works in general office and surface manufacturing plant environment.

At Morton Salt, we work best when we work as a team, when we treat one another with dignity and respect, and value the unique contributions of others. We are committed to equal employment opportunity and prohibit discrimination and harassment based on race, national origin, sex, religion, color, disability, marital status, protected veteran status, sexual orientation, gender identity, gender expression, genetic information, citizenship, or any other characteristic protected by law.