Shift Lead, Plant Operations

Mariana Minerals; Joaquin (TX); On-site; USD 70,000 - 90,000; Full time

Job summary

Mariana Minerals seeks an Operator Lead to oversee shift-level plant operations at the Joaquin, TX facility, directing a small crew and ensuring production targets are met safely and efficiently. You will serve as the primary liaison between the shift crew and the Director of Operations and Process Engineering.

Responsibilities include leading daily production activities, documenting logs, and coordinating with Maintenance for repairs while maintaining high safety and quality standards.

Qualifications

• Minimum 2–4 years of plant or industrial operations experience with prior team leadership preferred.
• Ability to read and interpret P&IDs, SOPs and equipment manuals.
• Comfortable working with industrial chemicals and process equipment following safety protocols.
• Strong attention to detail with solid record-keeping and basic math skills.

Responsibilities

• Lead and coordinate the shift crew, assigning tasks across production areas.
• Conduct shift-start safety stand-downs and communicate priorities and status.
• Monitor and control process equipment via HMI and manual checks to maintain targets.
• Direct loading/unloading of trucks and packaging of products.
• Escalate to Maintenance or Process Engineer for process upsets and lockout/tagout needs.
• Review logs and quality data; document plant activity in logs/CMMS.
• Coordinate with Maintenance to schedule repairs without disrupting production.
• Perform routine safety and housekeeping inspections.
• Train and mentor operators on procedures and safety protocols.
• Support start-up, shutdown, and commissioning activities.

Skills

Team leadership

Safety compliance

Documentation

Problem solving

Physical capability

P&ID interpretation

Reading SOPs

Tools

SAP

Microsoft Office

SharePoint

Visio

Microsoft Project

Job description

Mariana Minerals seeks an Operator Lead to oversee shift-level plant operations at the Joaquin, TX facility, directing a small crew and ensuring production targets are met safely and efficiently. You will serve as the primary liaison between the shift crew and the Director of Operations and Process Engineering.

Responsibilities include leading daily production activities, documenting logs, and coordinating with Maintenance for repairs while maintaining high safety and quality standards.