About the role

We are looking to add a Mechanical Maintenance Technician Tier 2 to our growing Mechanical Maintenance Department. As part of the team, you will be responsible for diagnosing, repairing, and maintaining cooling infrastructure and mechanical systems within our mining facility. You will also perform complex troubleshooting, lead maintenance projects, mentor junior technicians, and support initiatives to improve equipment reliability and operational efficiency. This is a fully on-site position supporting our operations at our Corsicana, TX facility.

What you'll be doing

• Troubleshoot and repair complex mechanical issues involving cooling systems and facility infrastructure.
• Diagnose failures in pumps, motors, heat exchangers, filtration systems, cooling towers, dry coolers, valves, and piping networks.
• Perform advanced preventive and predictive maintenance activities.
• Analyze system performance data and recommend improvements to maximize uptime and efficiency.
• Lead equipment overhauls, rebuilds, and major maintenance projects.
• Perform root cause failure analysis (RCFA) and implement corrective actions.
• Support facility expansion projects and new miner installations.
• Assist in developing maintenance procedures, SOPs, and training materials.
• Mentor and train Tier 1 technicians.
• Coordinate with electrical, mining, and operations teams during maintenance activities.
• Maintain accurate maintenance records and asset histories.

What you'll have

• High school diploma or GED preferred.
• Technical degree, apprenticeship, military maintenance training, or equivalent experience preferred.
• Extensive experience in industrial mechanical maintenance preferred.
• Experience with immersion cooling systems, industrial pumping systems, HVAC, power generation, manufacturing, or data center infrastructure preferred.
• Strong understanding of fluid systems, heat transfer, mechanical equipment reliability, and industrial maintenance practices.
• Ability to read and interpret mechanical drawings and technical documentation.
• Internal candidates must be recommended by their supervisor.
• Advanced mechanical troubleshooting and diagnostics.
• Understanding of pump curves, fluid dynamics, and heat transfer principles.
• Experience with predictive maintenance techniques.
• Knowledge of bearing systems, mechanical seals, alignment, vibration analysis, and lubrication programs.
• Strong root cause analysis skills.
• Leadership and mentoring capabilities.
• Proficiency with CMMS platforms and maintenance reporting.
• Ability to prioritize multiple maintenance tasks in a high-uptime environment.
• Preferred but not required:
• Technical degree, apprenticeship, military maintenance training, or equivalent experience.
• Experience with immersion cooling systems, industrial pumping systems, HVAC, power generation, manufacturing, or data center infrastructure.

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.