Big Timber, MT 59011 • (36 miles) • Full Time • $38.78 to $42.07 / hr • 10/16/2026

E&I 1 or 2 Location: East Boulder Mine - McLeod, MT Schedule: Rotating - 5x4x4x5 Day Shift: 7:00am - 6:30pm Night Shift: 7:00pm - 6:30am Job Responsibilities and Duties: At Sibanye-Stillwater this position will function as a maintenance electrician for East Boulder's underground mine support. The primary responsibilities will include maintaining a safe and productive work environment. Electricians at the East Boulder site will assist with the installation, maintenance, troubleshooting, and repair of all electrical, and electronic and instrumentation systems. Our systems include high, medium, and low voltage circuits, AC and DC motors and associated variable speed drives, all types of electronic instrumentation, PLC's, and the distributive control systems and documentation related to them.

Big Timber, MT 59011 • (36 miles) • Full Time • $73,000 to $90,100 / yr • 10/27/2026

Underground Surveyor 1, 2, or 3 Location: East Boulder Mine - McCleod, MT Schedule: 9 Hour days - 5x2, 4x3 Day Shift: 6:00am - 3:00pm Job Responsibilities and Duties: At Sibnaye-Stillwater the underground surveyor is responsible for but not limited to: Plan and execute surface and underground survey activities in a safe, efficient manner. Oversee and prepare maps and records of surveys; line and grade for UG excavations. Produce as-built drawings of excavations; measure excavation advances at determined intervals. Maintain and manage control point and survey files, both electronic and hard copy. Comply with State and Federal safety and environmental regulations and company policies and standards. Qualifications and Skills: REQUIRED: Proficient in the use of Excel, Word, and Vulcan or like

Big Timber, MT 59011 • (36 miles) • Full Time • $130,000 / yr • 10/28/2026

General Foreman - Concentrator Support & Maintenance Location: East Boulder Mine - McLeod, MT Schedule: 7X7 Nightshift Job Responsibilities and Duties: The General Foreman - Concentrator leads the safe, compliant, reliable, and cost-effective operation of the mine-site concentrator, surface haulage, and TSF capping/IBWR placement. The role owns the rolling one- to three-month plan and translates it into resource-ready, executable one-week plans for frontline supervisors. The General Foreman anticipates and removes constraints, coordinates operating and maintenance dependencies, develops supervisors and employees, and holds the department accountable for throughput, recovery, concentrate quality, equipment availability, process stability, environmental performance, TSF project schedule adhe

Big Timber, MT 59011 • (36 miles) • Full Time • $130,600 / yr • 10/28/2026

General Foreman - Mine Operations Execution Location: East Boulder Mine - McLeod, MT Schedule: 7x7 Rotating Job Responsibilities and Duties: The General Foreman - Mine Operations Execution directly leads frontline Supervisors and Dispatch and is accountable for safely delivering approved weekly and daily operating commitments across production, development, backfill, underground construction, rail haulage, rubber-tire haulage, road maintenance, and related material movement. Following formal handoff of the approved plan, the role confirms crew, equipment, route, work-front, material, and support readiness; removes execution barriers; controls operational variance and break-in work; and provides timely, validated feedback to the Planning General Foreman and Mine Operations Manager. The Gene

Big Timber, MT 59011 • (36 miles) • Full Time • $132,000 / yr • 10/24/2026

General Foreman - Mobile Maintenance Location: East Boulder Mine - McLeod, MT Schedule: 7x7 Dayshift Job Responsibilities and Duties: The General Foreman - Mobile Maintenance exists to lead the safe, reliable, and cost-effective maintenance of the underground mobile equipment fleet. The role aligns planning and frontline execution by setting priorities, approving maintenance commitments, removing cross-functional constraints, developing the Planner and Supervisors, and holding the department accountable for equipment availability, work quality, schedule performance, and maintenance cost. The General Foreman's primary duties are: Set Stationary and Electrical Maintenance safety priorities based on incidents, inspections, audit findings, equipment Set weekly and monthly Mobile Maintenance sa

Big Timber, MT 59011 • (36 miles) • Full Time • $39.56 to $42.91 / hr • 10/24/2026

Millwright 1 or 2 - Concentrator Location: East Boulder Mine - McLeod, MT Schedule: 5x4x4x5 - Straight Days 7:00am-6:30pm (11.5 hour shifts) Job Responsibilities and Duties: Responsible for performing preventative maintenance and repairs of Ball Mills and SAG Mills, gear boxes, centrifugal and vertical turbine pumps, vibrating screens, jaw crushers, cone crushers and conveyor systems. Perform a variety of building maintenance tasks. Able to work without direct supervision. Maintain cleanliness of work areas. Other tasks as assigned. Qualifications and Skills: Required: Millwright or similar background with welding and mechanical experience. Housekeeping standards maintained to high level. Basic knowledge of mechanics, hydraulic and pneumatic systems. General blueprint knowledge. Ability to