Electrical Supervisor

Riot’s (NASDAQ: RIOT) vision is to be the world’s most trusted platform for powering and building digital infrastructure. Riot’s mission is to empower the future of digital infrastructure by positively impacting the sectors, networks, and communities that we touch. We believe that the combination of an innovative spirit and strong community partnership allows us to achieve best-in-class execution and create successful outcomes.

At Riot, we’re building the future of digital infrastructure. Our team members have unparalleled opportunities to work on groundbreaking initiatives. Through technical excellence and strategic execution, Riot has positioned itself as a leader in the industry driving advancements that continue to set new benchmarks in digital infrastructure. 

The Electrical Maintenance Supervisor leads the operation, maintenance, and reliability of critical electrical infrastructure supporting a data center. This role supervises maintenance personnel and contractors, ensures electrical systems are maintained in accordance with safety requirements and operational procedures, and helps sustain continuous availability of critical services.

• →Supervise electrical maintenance technicians. Coordinate daily assignments, priorities, schedules, and coverage. Train, coach, and evaluate team members, and promote a strong safety culture.
• →Direct preventive, predictive, corrective, and emergency maintenance for:
• →
  • →Utility service entrances and switchgear
  • →Medium- and low-voltage distribution
  • →UPS systems and battery banks
  • →Emergency generators and transfer equipment
  • →PDUs, remote power panels, and busway
  • →Transformers, breakers, panelboards, grounding, and lighting
• →Stay prepared for planned maintenance, switching, equipment failures, utility interruptions, and other critical incidents. Take part in the on-call rotation and respond to critical events.
• →Review and enforce maintenance procedures, MOPs, EOPs, and SOPs. Lead electrical switching with the proper controls, approvals, documentation, and communication.
• →Make sure all work follows applicable electrical codes, regulations, site safety requirements, and lockout/tagout practices.
• →Work with operations, facilities, engineering, vendors, and contractors to schedule maintenance and minimize risk to data center availability. This applies primarily when the Electrical Maintenance Manager/Superintendent is absent.
• →Monitor equipment condition, alarms, trends, and maintenance records to spot reliability risks and recurring issues. Investigate incidents, failures, near misses, and service-impacting events. Document findings and implement corrective actions.
• →Maintain accurate records of maintenance activities, equipment histories, inspections, testing, spare parts, and compliance documentation.
• →Support commissioning, testing, turnover, and operational acceptance of new electrical systems, upgrades, and expansions.
• →Help manage contractor performance, review work quality, verify completion, and ensure adherence to site procedures.
• →Help with spare-parts planning, inventory, maintenance budgeting, and procurement of electrical materials and services.
• →Other duties as assigned.

• Associate degree, technical diploma, apprenticeship, or equivalent experience in electrical maintenance, power systems, industrial facilities, or critical environments.
• Demonstrated experience maintaining electrical distribution and backup-power systems.
• Prior supervisory, lead, or coordination experience in a maintenance, facilities, industrial, mission-critical, or data center environment.
• Working knowledge of electrical safety practices, including arc-flash awareness, energized-work controls, and lockout/tagout.
• Ability to read and interpret one-line diagrams, electrical schematics, equipment manuals, maintenance procedures, and technical drawings.
• Strong troubleshooting skills related to power distribution, UPS systems, generators, transfer switches, breakers, and control systems.
• Ability to prioritize work effectively in a high-availability, operationally sensitive environment.
• Clear written and verbal communication skills, including the ability to document incidents and coordinate work across teams.

• Must be physically able to climb ladders and access tight or awkward spaces as required.
• Must be able to bend, reach, stoop, and pull, with good manual dexterity.
• Ability to stand, walk, and perform repetitive tasks for extended periods
• Ability to lift and move equipment as needed (50 Pounds)
• Ability to work onsite in a mining or data center environment (heat, noise, etc.)
• Exposure to high noise levels and varying temperatures

• PPE & Compliance: Strictly adhere to all site safety protocols and wear required Personal Protective Equipment (PPE) at all times (e.g., safety glasses, hearing protection, steel-toed boots).
• Hazard Awareness: Proactively identify, report, and mitigate potential workplace hazards or unsafe conditions.
• Standards: Maintain compliance with OSHA regulations and internal safety training.
• Organization: Keep all work areas clean and free of obstructions to prevent workplace accidents.