Maintenance Supervisor

Specialty Granules
Ione, CA

Over 90 years of quality products and superior service.


Job Description:

The Maintenance Supervisor will ensure the safe, reliable operation of plant electrical equipment and systems. Provide for highest level of crew safety and support to electricians supervised. This role will require a commitment to safety and a motivation to succeed through a proactive, flexible approach to management as changes in business dictate. The Maintenance Supervisor must be able to communicate effectively with leadership and employees to coordinate and emphasize ever changing commitments and priorities.


Job responsibilities include but not limited to:

  • Ensure daily safe operations and crew safety
  • Lead and manage assigned maintenance personnel
  • Assign and ensure all work is done safely and correctly
  • Prepare required reports and maintain data and other records as required
  • Provide technical assistance electrical equipment problems to field personnel including areas of high voltage distribution equipment and high voltage motors/generators
  • Develop and improve the capabilities of assigned maintenance personnel

The Maintenance Supervisor is required to have a minimum of a High School Diploma, Electrical or Mechanical Engineering degree (preferred), plus a  minimum of 5 to 10 years electrical experience in operations and maintenance of large industrial plants. In addition, this role must have broad knowledge of electrical equipment and systems in a mining/manufacturing operation. Candidate should also have:

  • Strong safety and housekeeping orientation and knowledge of MSHA rules and regulations
  • Proficient verbal and written communication skills
  • Strong understanding of preventative maintenance techniques
  • Experience in planning and scheduling maintenance work
  • Must understand and apply principles of root cause analysis in problem solving and equipment failures

Working Conditions
Work entails direct supervision of Maintenance Projects and Personnel. Maintenance work is performed in enclosed facilities and outdoor areas where extremes of heat, cold, dust, noise, wet conditions and rough terrain exist. Approximately 30% of the work is administrative in nature.


At SGI, our employees are our greatest asset.  SGI offers a competitive salary and benefits package including 401(k), medical, dental, vision, prescription drug, life insurance, STD/LTD, tuition reimbursement, vacation package and paid holidays. Please apply online at www.specialtygranules.com.


Qualified candidates must be legally authorized to work in the U.S., without current or future requirement for sponsorship of an employment-based visa status. SGI is an Equal Opportunity Employer, committed to workplace diversity.


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).