Underground Electrician

#### Summary of Position:

The Underground Electrician will be responsible for the safe identification, troubleshooting, planning, and completion of underground related electrical maintenance activities.

#### Essential Functions:

• Troubleshoot and perform all electrical repairs as required in underground equipment, as well as stationary fixed equipment
• Installing, repairing, and maintaining electrical wiring, equipment, and fixtures in the underground mine
• Perform electrical maintenance duties on underground equipment such as the hoist and shaft
• Maintenance testing of low to high voltage (13.8kV) electrical equipment in the underground including transformers, switchgear, protective relays, circuit breakers, cables, and motors
• Fabrication and installation of various low voltage electrical equipment (distribution boards, lighting, etc.) throughout the underground mine
• Repair and maintenance of instrumentation throughout the mine
• May be required to operate certain mine equipment to diagnose problems, position it for repairs to be made, test operation after making repairs
• Troubleshoot and perform electrical repairs faults with electrical wiring and equipment, including transformers, motors, instrumentation (limit switches, flow meters, totalizers, etc.), generators, lighting systems, protective relays, switchgear and associated components, control panels and associated equipment
• Maintaining personal hand tools for functionality and cleanliness
• Maintaining a high standard of housekeeping in all work areas to provide a safe and healthy workplace for all employees, contractors, and vendors
• Able to complete daily tasks and provide reports Providing updated electrical drawings (red lines) to the site Electrical Engineer
• Implementing protective relay settings into existing protective relays based on settings provided by the site Electrical Engineer
• Participating in commissioning activities of new equipment installed in the underground mine
• Establishing work relationships necessary to efficiently execute the daily electrical activities
• Demonstrate a personal commitment to working safely as an advocate and leader of a safe work culture for all employees with a specific focus on lockout procedures and avoiding hand related injuries
• Actively participate in daily safety meetings
• Other duties as assigned

#### Experience and Training:

#### Requirements:

• A minimum of two (2) years underground electrical experience in an underground mining or production environment preferred
• System commissioning experience in an industrial environment
• High school diploma or GED
• Shaft and hoist experience, preferred
• Exemplary safety performance and attendance record
• Ability to work safely and effectively in an underground mining environment
• Perform and document work area inspections and equipment inspection/ operation cards
• Ability to read complex prints and understanding of electrical codes
• Ability to perform physical labor under all weather conditions
• Excellent verbal and written communication skills, and proven track record of being a team player
• Proficient in MS Office applications (Outlook, Excel, Word, PowerPoint)

#### Preferred Credentials:

• High voltage experience
• Nevada Journeyman electrician certification or MSHA Green Card preferred
• Knowledge of control systems, PLC’s, and other logic control devices
• Knowledge of digital protective relays including SEL and Schneider
• Knowledge of underground mining heavy equipment
• Ability to use proficiently a CMMS (MS Dynamics, SAP, etc.)

#### Work Environment:

The work environment's characteristics described here are representative of those an employee encounters while performing the essential functions of this job. While performing the duties of this job, the employee will be working in an underground environment and may work in extreme cold/hot conditions, occasionally exposed fumes or airborne particles, chemicals, and vibration. The noise level in the work environment is usually moderate to high; appropriate hearing protection may be needed and required.

#### Health and Safety:

• Personal Protective Equipment (PPE) is expected to be always worn while in a production environment (hard hat, safety belt, selfrescue respiratory device, steel toed boats/metatarsal protection, reflective visible clothing) or as required for a specific job duty.
• Ensure that all safety procedures and regulatory guidelines are followed.
• Support the site safety culture through leadership and regularly engaging with and holding the workforce accountable for safe work practices.
• Participate in health and safety meetings and risk reviews as required

#### Core Value Attributes:

#### The incumbent must demonstrate the following Core Value attributes:

• Build Trust and Respect
• Extreme Ownership take responsibility for your role, outcomes, and the overall success of the team
• Solutions Oriented seeking innovative, safe solutions with initiative
• Effective Communication clear communication to foster teamwork across all departments

#### Work Schedule:

The incumbent is expected to work a rotating shift with required overtime for training or other business circumstances.

#### Physical Demands:

Check off all physical demands of the position. The following definitions are to be used in completing the frequency of the Physical demands:

Constant (C) 67 -100% of task time (40-60 mins. Per hour or 1 lift per 15 seconds

Frequent (F) 34-66% of task time (20-40 mins. Per hour or 1 lift every 2 mins)

Occasional (O) 6-33% of task time (3-20 mins. Per hour or 1 lift every 30 mins)

Rare (R) 0-5% of task time (3 mins. Per hour)

Physical Demands Frequency (C, F, O, or R)

Lifting _50-70___ pounds F

Sitting F

Walking C

Standing C

Bending neck F

#### Twisting neck F

Bending waist (forward or sideways F

#### Balancing F

Squatting (crouch or sit on one’s heels) F

Climbing C

Kneeling F

#### Crawling C

#### Reach above shoulder height C

Reach below shoulder height C

Driving F

Stooping F

Pushing F

Pulling F

Talking O

Hearing C

Repetitive motions C

Other Mine Rescuer_______________ R

#### Other________________

#### Work Schedule, Personal Protective/Other Equipment:

The incumbent is expected to work on either a rotating day shift or a rotating day/night shift schedule, with some call-outs possible for infrequent occurrences. The incumbent is responsible for supplying and maintaining his/her own tools. Personal Protective Equipment required and to be worn for the field work portion of this position includes, but is not limited to, hard hat, safety glasses, hearing protection, and steel-toed boots. All equipment must be MSHA approved as applicable.

#### About Southwest Critical Materials LLC

Southwest Critical Materials is focused on the strategic development of copper assets in North America to meet the growing demand in the global energy transition. We are committed to creating long-term value that benefits all stakeholders, from our local communities to our investors. Backed by a strong team of experienced technical professionals, we leverage our expertise to responsibly develop high-quality copper projects. Our flagship asset, the Pumpkin Hollow Project near Yerington, Nevada, is poised to reflect our approach of combining industry-leading practices with a dedication to environmental and social responsibility.