Senior Laboratory Manager (gold / fire assay / mineral processing) - South America

gatesourcehrus; Belo Horizonte; Presencial; BRL 350 000 - 550 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

FIFO contract

Resumo da oferta

GatesourceHRUS seeks a Head of Fire Assay Laboratory to lead all fire assay operations in a high‑volume mining environment in Brazil. You will ensure analytical accuracy, data integrity, and timely reporting to support grade control, metallurgical accounting, and process decisions.

This senior role requires strong technical leadership and people management. You will oversee QA/QC, sample handling, calibration, safety, and collaboration with processing plants to optimize gravity and CIL circuits

Qualificações

• Bachelor's degree in Chemistry, Analytical Chemistry, Metallurgy, Chemical Engineering, Mineral Processing or related field.
• Professional laboratory or metallurgical certifications are assets.
• Formal training in Fire Assay techniques and laboratory quality management is desirable.

Responsabilidades

• Oversee daily operations of the Fire Assay Laboratory.
• Lead and develop assayers and technicians.
• Ensure accurate preparation, testing, analysis, and reporting of results.
• Maintain QA/QC systems to ensure data integrity.
• Manage sample preparation, handling, storage, and chain of custody.
• Support process optimization, audits, and regulatory compliance.

Conhecimentos

Leadership

Analytical thinking

QA/QC

Safety compliance

Formação académica

Bachelor's degree in Chemistry/Metallurgy or related field

Ferramentas

Laboratory information management systems

MS Office

Fire assay instrumentation

Descrição da oferta de emprego

A growing mining operation is seeking an experienced and highly motivated Head of Fire Assay Laboratory to lead laboratory operations supporting gold mining and mineral processing activities. This senior leadership role is responsible for overseeing all fire assay and laboratory functions, ensuring the accuracy, integrity, and timely delivery of analytical results that support grade control, metallurgical accounting, gold recovery monitoring, and operational decision-making. The successful candidate will provide technical leadership, manage laboratory personnel, and ensure compliance with quality, safety, and environmental standards within a demanding production environment.

Key Responsibilities

• Manage and supervise the daily operations of the Fire Assay Laboratory.
• Lead and develop laboratory personnel, including assayers, technicians, and sample preparation teams.
• Ensure accurate preparation, testing, analysis, and reporting of assay and laboratory results.
• Maintain laboratory quality assurance and quality control systems to ensure analytical accuracy and data integrity.
• Oversee sample preparation, handling, storage, and chain-of-custody procedures.
• Monitor laboratory testing programs related to:
• Ore grade control
• Gold recovery performance
• Gravity recovery circuits
• Carbon-in-Leach (CIL) operations
• Cyanide strength and process chemistry
• Activated carbon performance
• Metallurgical accounting
• Ensure laboratory equipment is properly calibrated, maintained, and operating efficiently.
• Manage laboratory reagent inventories, consumables, and chemical storage systems.
• Support process optimization, metallurgical investigations, and operational troubleshooting initiatives.
• Coordinate laboratory support for audits, inspections, production reporting, and regulatory compliance activities.
• Promote a strong safety culture and ensure compliance with all laboratory safety requirements.

Requirements

Qualifications

• Qualifications Bachelor's Degree in Chemistry, Analytical Chemistry, Metallurgy, Chemical Engineering, Mineral Processing, or a related discipline.
• Professional laboratory or metallurgical certifications are considered an asset.
• Formal training in Fire Assay techniques and laboratory quality management is highly desirable.

Experience

• Experience Minimum of 5 years' experience in laboratory operations within the mining or mineral processing industry.
• Demonstrated experience managing Fire Assay laboratory operations supporting gold mining activities.
• Experience working with Gravity and/or Carbon-in-Leach (CIL) processing plants is highly advantageous.
• Previous supervisory or laboratory management experience is required.
• Experience working in remote or camp-based mining environments is preferred.

Skills & Competencies

• Strong analytical and problem-solving abilities.
• Excellent organizational and leadership skills.
• Strong technical reporting and documentation capabilities.
• High attention to detail and commitment to accuracy.
• Effective communication and interpersonal skills.
• Ability to manage multiple priorities and meet operational deadlines.
• Proficiency with laboratory management systems and Microsoft Office applications.
• Strong commitment to safety, quality, and continuous improvement.

Benefits FIFO contract.