Demo

Senior Maintenance Supervisor

Asarco LLC
Sahuarita, AZ Full Time
POSTED ON 9/9/2026
AVAILABLE BEFORE 11/8/2026
Description:

POSITION OVERVIEW

Supervises and coordinates a safe work environment. Ensures quality is at the highest standard in the work being performed at the Asarco Operation.

ESSENTIAL FUNCTIONS

. Provide safety leadership and responsibility in the Mill Maintenance Department.

. Understand and enforce all applicable local, state, and federal health and safety regulations.

. Help ensure environmental compliance in the Mill Maintenance Department.

. Help prioritize and optimize maintenance and repair work for the Mill and facilities.

. Plan and control daily maintenance and repair work to insure effective utilization of resources.

. Order parts, material, and equipment to ensure continuous operation.

. Meets with supervisors to prioritize jobs.

. Creates safety meeting and assigns job assignments to employees.

. Inspects any area specific equipment malfunctions.

. Oversees the operation of maintenance projects throughout designated work areas.

. Works with Planners to complete work orders and requisitions.

. Prepares and plans for down days by ensuring all equipment, parts and proper tooling are staged for workers.

. Responds to issues and concerns that are raised by maintenance personnel.

. Assist in providing operating costs for the Mill Maintenance Department.

. Develop and implement an effective Preventative Maintenance Program.

. Responsible for providing quality work, which includes internal and external customer satisfaction, quality processes/procedures, quality equipment/tools and quality people and adhering to all safety standards.

. Develop/train/educate employees for future growth and promotion.

. Work in partnership with the Mill Operations Department, the Mine, the Laboratory, and all other departments to optimize safety, environmental compliance, production, costs, and quality.

. Work in partnership with the Union to insure effective and efficient plant operation.

. Effectively administer Department and Company policies and procedures.

. Help develop and implement capital and operating projects to improve the Mill Maintenance Department performance.

. Fill in for the General Supervisor in his absence.

. Responsible for executing, supporting, and enforcing the Company's Environmental, Health and Safety program as required by OIS policy, directives, and principles.


Requirements:

KNOWLEDGE SKILLS AND ABILITIES

  • Must have excellent knowledge of all plant maintenance/repair functions, equipment maintenance, sag and ball mills, primary and secondary crushers, pumps, filters, freshwater systems, etc. While adhering to the safety of the employees performing the work.
  • Must have basic knowledge of electrical systems.
  • Must demonstrate the highest commitment to health and safety.
  • Must demonstrate the highest commitment to environmental compliance.
  • Must demonstrate excellent written and verbal communication skills with employees, other supervisors, and managers.
  • Must have excellent computer skills.
  • Must have a valid driver's license.

EDUCATION AND EXPERIENCE

  • Eight (8) years of industrial maintenance experience.
  • A minimum of five (5) years supervisory experience
  • Mechanical Engineering degree preferred. Extensive plant and supervisory experience (more than 10 years) may be substituted.
  • English language fluency.
  • At least CEFR B2 - Upper Intermediate: Can understand the main ideas of complex text on both concrete and abstract topics, including technical discussions in their field of specialization.

  • All employees are subject to annual physical examinations as a condition of employment.

A core value of ASARCO LLC is “Safety First.” The Company is committed to helping employees continuously improve their efforts to work in the most safe, inclusive, socially, and environmentally responsible manner practicable. Employee safety and health, both on and off the job, are critically important to the Company. Therefore, ASARCO LLC requires employees to have and effectively demonstrate a good working knowledge of modern safety systems. Each employee will take prime responsibility for ensuring that they work within all required safety procedures and processes.

ASARCO LLC is an equal opportunity employer. Candidates must possess a current and valid driver's license. Offers of employment are contingent upon a successful criminal background check and pre-employment physical including a drug screen.

ASARCO LLC offers an excellent low-cost benefits package for medical/prescription/ dental/vision, disability coverage, life insurance and other optional coverage and 401(k) plan with company match.

Benefits:

401K Plan, Health Insurance, Vacation & Paid Time Off

Salary.com Estimation for Senior Maintenance Supervisor in Sahuarita, AZ
$92,428 to $116,370
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