Mine Maintenance Supervisor

Posted Tuesday, June 30, 2026 at 6:00 AM

At WE Soda, we believe you are the most important asset. We are taking steps to attract and retain talented and motivated salaried entry-level and experienced individuals. Come utilize your skills and contribute to our continued success. Your new rewarding career begins here!

WE Soda is the world’s largest and most sustainable producer of soda ash, with operations in Turkey and two US-based facilities, located in Green River, Wyoming. At WE Soda, we strive to be the global leader in safe, sustainable, and innovative soda ash solutions, inspiring progress and creating a lasting positive impact for our industry and communities.

• Highly competitive salary commensurate with experience.
• Medical, Dental, Life & Disability Insurance, Vision, Flexible Spending (Medical and Dependent Care) and Health Savings Accounts (HSA), Pre‑paid Legal, beginning first day of employment: company funds a portion of HSA contribution if eligibility is met.
• 401(k) Savings and Investment Plan for salaried employees, the company makes Safe Harbor matching contributions (fully vested immediately) of 100% up to the first 5% of eligible pay you contribute.
• Tuition reimbursement programs are available to qualifying employees for approved programs.
• Paid time off based on years of service with potential credit given for previous work experience.
• Company‑paid transportation available for our Wyoming‑based employees to our plants from Green River, Rock Springs, and Bridger Valley.
• Flexible work schedule (may be available and will vary based on location and/or position).
• Relocation assistance may be available based on position.

• Ensures safe operations, has the “courage to care” and promotes awareness and compliance to all safety policies
• Proactively manages cost and identifies opportunities for cost reduction
• Ensures operational discipline by following daily standard work processes and KPI reporting; monitors, measures, and audits to ensure accountability for adherence to daily standard work processes
• Promotes and models open and honest communication
• Executes and enforces the Performance Management Process
• Proactively coaches and develops team members
• Role models culture and core values of the organization
• Technical training of direct reports
• Communication with mine team
• Performance measures for the team
• Team safety action plan and performance
• MSHA rules and regulations
• Crew tool and supply budget
• Conflict resolution
• Cost savings and efficiency improvement projects
• Work area inspections
• Fireboss mine
• Warranty and repairable parts
• Permissibility checklists

• Coordinate manpower requirements in the area, including outage support, to execute crew work tasks
• Utilize crew members appropriately to ensure work requirements are safely met
• Conduct safety, housekeeping audits and performance audits
• Supports and facilitates the Focused Safety Discussion (FSD) process with crew members
• Conducts Work Place Exam (WPE) reviews to ensure compliance, and provides appropriate follow through
• Perform administrative tasks (timecards, overtime, vacation approvals, etc.) associated with managing assigned employees.
• Work weekend and holiday duty as assigned
• Support planning meetings
• Serve as a technical resource for the crews
• Respond to grievances and participate in the appropriate levels of the grievance process
• Works with Human Resources on investigations and employee discipline
• Support the performance management and discipline process
• Review and have a working understanding of the Collective Bargaining Agreement (CBA)
• Make inspections of working area – i.e. ventilation/ground control
• Fireboss mine
• Properly check out supplies from the warehouse and coach employees to follow the proper process
• Use computer system to look up warehouse items
• Use the work order management system to appropriately track and distribute work to crew members
• Support the troubleshooting process of maintenance issues

• High School graduate or GED and 3 years in underground mining operations
• Experience maintaining heavy industrial equipment, (MSHA…