Mining Operations Assistant Supervisor

About Riot Platforms 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.

Who we are 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.

We are trailblazers. Problem solvers. People who thrive in fast paced environments, communicate clearly, and bring relentless focus to efficiency and execution.

About the role The Mining Operations Assistant Supervisor plays a critical leadership role in supporting daily field operations, team performance, and installation activities. This primarily field-based position drives productivity, enforces safety standards, and ensures high-quality work. The Assistant Supervisor provides hands-on leadership, coaching, and coordination, serving as a key point of contact for technicians and supporting operational continuity across shifts.

What you'll do

• Spend about 95% of time in the field supporting technicians, troubleshooting, and keeping operations efficient. Spend 5% on administrative and system tasks.
• Work alongside technicians to complete daily tasks and meet operational goals.
• Lead by example through work ethic, safety compliance, and commitment to quality.
• Drive productivity by ensuring tasks are completed accurately, efficiently, and on schedule.
• Coordinate daily activities to meet operational priorities.
• Provide real-time coaching, feedback, and direction to improve team performance.
• Oversee and take part in end-to-end mining equipment installation: unboxing and installing units, running Cat-5 cables to designated network ports, and modifying materials with hand tools (foam cutting, de-fanning).
• Ensure installations meet company standards for quality, functionality, and efficiency.
• Enforce safety policies and regulations, foster a culture of accountability and incident prevention, and promptly identify, address, and escalate safety risks.
• Safely operate and oversee scissor lifts (up to 20 feet), forklifts, and pallet jacks.
• Train, coach, and mentor technicians on technical skills, work methods, and safety, from onboarding through ongoing development, while reinforcing performance expectations and accountability.
• Ensure work orders, priorities, and expectations are clearly communicated and executed.
• Use OneNote and Microsoft Teams to track progress and share shift pass-downs.
• Stay aligned with direction from Building Supervisors.
• Serve as a primary team contact during assigned shifts. Escalate issues when necessary.
• Lead day/night shift handoffs, including staging materials, tools, and resources for incoming shifts.
• Ensure operational supplies (e.g., water, ice) and overall shift readiness.
• Oversee refueling and readiness of company vehicles (e.g., Rangers).
• Verify tools and equipment are stored, secured, and accounted for at shift end.
• Maintain a clean, organized, professional workplace by upholding housekeeping and waste disposal standards, overseeing routine cleaning (dusting, sweeping), and confirming workspaces are left in proper condition at shift end.
• Perform other related responsibilities as assigned to support operational needs and team success.

What you'll bring

• High School Diploma or GED
• Prior experience installing computer equipment.

Physical requirements and work environment

• 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

Safety Requirements

• 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.

Compensation and Benefits

• Salary commensurate with experience.
• 401(k) retirement plan: Incudes a generous company match.
• Comprehensive health coverage: Multiple medical plan options, including 100% company-paid plans, HAS & FSA.
• Work-life balance: Paid time off, sick time and floating holidays.
• Wellness & lifestyle perks: Enjoy free gym memberships, pet insurance, childcare discounts, employee assistance program, and more to support your life both in and out of work.

Riot is an equal opportunity employer. We are committed to creating an inclusive environment for all employees.