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Specialty Granules LLC Mill Supervisor in Annapolis, Missouri

Over 90 years of quality products and superior service.

Job Description:


  • Ensure safety, quality, production and housekeeping standards are met at all times

  • Conduct contactor safety inspections per SGI policy

  • Lead and manage assigned production personnel to safely meet/exceed all manufacturing goals

  • Develop and improve assigned production personnel skills in preparation for future career opportunities

  • Know and understand all product specifications for primary/mill/intermediate/HLP/UMPP

  • Clearly understand the process and equipment locations

  • Conduct root cause analysis to identify and correct the root causes of events, as opposed to simply addressing their symptoms.

  • Accurately and timely prepare required reports and maintain accurate data and other records as required

  • Schedule/plan manpower and production schedules

  • Effectively communicate maintenance needs with maintenance supervisors, maintenance manager, production supervisors and operations manager

  • Notification of downtime to management with clear/detailed explanation of issues as required

  • Write clearly defined work orders and develop SOP’s for department

  • Identify opportunities for process improvement and cost savings using Lean Manufacturing principles, continuous improvement and problem solving techniques where applicable

Level Based Competencies

Safety Leadership Communication Decision Making Positive Approach Creating a Culture of Trust Emotional Intelligence Essentials Coaching Adaptability

Resolving Conflicts Guiding Team Success

Driving for Results

Technical knowledge/skills

Knowledge of Lean Manufacturing or other Continuous Improvement and problem solving technique

Root Cause Analysis experience or other problem solving technique.

Standard Operation Procedure (SOP) Planning, Raw Materials management, and Constraint Management knowledge

Demonstrate thorough knowledge of MSHA standards

General knowledge/skills

Good decision making skills

Good organizational skills

Excellent troubleshooting skills

Proficient verbal and written communication skills


Ability to lead employees and a desire and willingness to drive change in improving operations


Minimum High School Degree/GED Equivalent

College Degree and/or Trade Certification Preferred

Minimum 1-2 years supervisory experience in a mining/manufacturing operation


No. of direct reports: 5-15

No. of indirect reports: 0

Budget Responsibility: No

Travel Requirements: Limited domestic travel

Working Conditions: Work is performed in enclosed facilities and outdoor areas where extremes of heat, cold, dust, noise, wet conditions and rough terrain exist. Up to 30% of the work is administrative in nature.

Physical Requirements: Prolonged sitting/standing, lifting objects (up to 50 lbs), extended regular hours, bending, climbing, kneeling, stooping

At Specialty Granules LLC , we believe our employees are our greatest resource. We offer competitive salary, benefits, and vacation package for all full-time permanent positions.

Specialty Granules LLC is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know.Must be eligible to work in the U.S. without need for employer-sponsored visa (work permit).

If you are an internal employee, please do not apply here. Please click on the Careers bubble in Workday, which can be accessed via the HR Portal.

For more than 90 years, Specialty Granules LLC (SGI) has been a leading producer of semi-ceramic coated, colored mineral granules for the North American residential and commercial roofing industry. Our longevity is a testament to our dependability as a supplier and the durability of our products. We take pride in the long-term relationships we have cultivated with the roofing industry’s manufacturers.

A privately held company, we have the ability and resources to provide exceptional customer service through our high standards of product quality, innovation, and responsiveness to the needs of our customers.

In addition to our Headquarters and Technical Center in Hagerstown, MD, we operate 4 manufacturing locations across the U.S. — Blue Ridge Summit, PA (also called Charmian); Annapolis, MO; Pembine, WI (also called Kremlin); and Ione, CA.

In each of the communities in which we are located, SGI has become a premier place to work. Our employees enjoy our strong emphasis on safety, our positive work environment, competitive wages and benefits, and our long term stability.