Engineering Technician-Recycle

About Mariana Minerals

Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical minerals essential for modern energy, AI, and defense technologies. We aim to reimagine the minerals supply chain through advanced software, automation, and data-driven decision-making.

The Role

The Engineering Technician is a critical technical position that bridges field operations with process engineering. Key responsibilities include:

• Operating plant equipment such as shredders, separators, conveyors, screens, and bagging systems.
• Monitoring material flow and equipment performance; adjusting settings to meet quality and recovery targets.
• Performing routine sampling, testing, and quality checks to support process and metallurgical control.
• Troubleshooting mechanical, electrical, and process control issues and supporting planned maintenance.
• Recording key operational data like tonnage, downtime, system changes, and recovery metrics.
• Maintaining clean, safe work areas and adhering to MSHA/OSHA, lockout/tagout, and hazard communication procedures.
• Participating in safety meetings and supporting hazard reporting and continuous improvement initiatives.
• Collaborating with supervisors, engineers, and maintenance teams; communicating equipment or process issues clearly.
• Supporting engineering projects with data collection, testing, and implementation of recommendations.
• Providing accurate updates during shift handovers to ensure consistent plant performance.

What You’ll Do

Operate plant equipment including shredders, separators, conveyors, screens, and bagging systems.

Monitor material flow and equipment performance; adjust settings to meet quality and recovery targets.

Perform routine sampling, testing, and quality checks to support process and metallurgical control.

Troubleshoot mechanical, electrical, and process control issues and support planned maintenance.

Record key operational data such as tonnage, downtime, system changes, and recovery metrics.

Maintain clean, safe work areas and follow all MSHA/OSHA, lockout/tagout, and hazard communication procedures.

Participate in safety meetings and support hazard reporting and continuous improvement initiatives.

Collaborate with supervisors, engineers, and maintenance teams; communicate equipment or process issues clearly.

Support engineering projects with data collection, testing, and implementation of recommendations.

Provide accurate updates during shift handovers to ensure consistent plant performance.

Desired Qualifications

• 2-5 years' experience in industrial, mining, processing, or plant operations preferred.
• Demonstrated mechanical aptitude and proficiency in the safe operation of forklifts and other industrial material handling equipment.
• Basic understanding of process control systems, sensors, and instrumentation.
• Ability to read gauges, interpret data, and follow technical procedures.
• Proficiency with basic computer tools including Excel, email, and production reporting systems.
• Excellent communication and teamwork skills.
• Demonstrated problem-solving skills, particularly in "field-verifying" engineering designs against physical plant constraints.
• Proficiency in reading technical blueprints and industrial schematics.
• Basic to intermediate experience with CAD software (AutoCAD or similar) and high proficiency in the Microsoft Office Suite (Excel/Teams).
• Commitment to maintaining a safe work environment.
• Valid driver's license required.

Physical Requirements

• Ability to walk long distances over rough, uneven terrain and climb ladders and structures.
• Ability to lift a minimum of 50 pounds.
• Ability to work in all weather conditions, including extreme temperatures.
• Must wear and utilize all required PPE, including but not limited to: Hard hat, Steel-toed footwear, Safety glasses, Hi-visibility safety vest, Hearing protection, Respirator (as needed), Protective clothing/gloves.
• Must be able to work in environments that may include exposure to fumes, dust, diesel, solvents, sulphuric acid, and other hazardous materials.

Our Culture

Our culture is built on three principles: Extreme Ownership – We take full responsibility for outcomes, relentlessly driving toward solutions. Engineer Out Requirements, then Automate – We simplify, optimize, and then automate for scale. Share Your Legos – We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.