OKO Gold Project - Assay Lab SuperIntendent

G Mining Ventures; South Carolina; On-site; USD 120,000 - 180,000; Full time

Job summary

G Mining Ventures seeks an experienced Assay Lab Superintendent to lead the site analytical laboratory in a safe, accurate, and efficient manner. The role services Process, Mine Operations, Geology, Metallurgy, Environment, and Engineering, while maintaining QA/QC, data integrity, and readiness for audits.

The incumbent will direct staffing, training, and maintenance of instruments, ensuring reliable data and cost-effective operations in a mining environment with exposure to plant operations and

Qualifications

• Minimum 12 years in related field.
• Minimum 8–10 years in a supervisory role.
• Bachelor degree in a technical discipline or equivalent mine-assay lab experience.

Responsibilities

• Plan and direct laboratory activities to meet turnaround times and production priorities.
• Ensure QA/QC procedures, method control, data reporting, and result validation are followed.
• Lead staffing, scheduling, competency development, performance management, and training.
• Provide technical oversight for fire assay, sample prep, wet chemistry, and instrumental analyses.
• Monitor QA/QC performance, investigate non-conformances, and escalate data-quality concerns.
• Maintain procedures, records, and controlled documentation; coordinate interfaces with Process, Geology, Metallurgy, and external providers.

Skills

Lab management

QA/QC

Fire assay

Instrumentation

Education

Bachelor’s degree in Chemistry/Analytical Chemistry/Metallurgy/Geochemistry

Tools

LIMS software

ICP/OES/AA instrumentation

Excel/Statistical tools

Job description

In 2020, G Mining Ventures (GMIN) was created to acquire direct ownership of projects and capitalize on the value uplift that successful mine development offers. In July 2024, GMIN has acquired the OKO West project. The OKO West Project is a new gold discovery in northwest Guyana. It is located south of the historical “OKO” gold district, some 95 km west of Georgetown.

To ensure the achievement of this large-scale project, G Mining Ventures is looking for an experienced and motivated individual to fill the position of:

Assay Lab Superintendent

The Superintendent, Assay Lab is accountable for the safe, accurate, timely, and cost-effective operation of the site analytical laboratory. The role ensures that laboratory services support Process, Mine Operations, Geology, Metallurgy, Environment, Engineering, and other internal customers while maintaining effective quality systems, competent staffing, equipment availability, and reliable analytical data.

Working Conditions

The Assay Lab Superintendent works in a mining and mineral processing environment with a combination of office and laboratory work. The role involves regular exposure to plant equipment, noise, dust, varying weather conditions, high-temperature furnaces requiring strict adherence to health, safety and PPE requirements. The role requires frequent interaction with operational teams and may involve working extended hours to support critical plant operations and maintenance activities.

Key Responsibilities

• Plan and direct laboratory activities to meet required turnaround times, production priorities, and agreed analytical service levels.
• Ensure analytical methods, sample preparation practices, quality-control procedures, result validation, and data reporting are implemented and followed.
• Lead laboratory staffing, crew scheduling, competency development, performance management, succession planning, and training requirements.
• Provide technical oversight for fire assay, sample preparation, wet chemistry, instrumental analysis, environmental testing, and other laboratory activities within the approved site scope.
• Monitor QA/QC performance, investigate non-conformances and analytical failures, authorize corrective actions, and ensure appropriate escalation of data-quality concerns.
• Maintain laboratory procedures, work instructions, forms, records, competency requirements, and other controlled documentation.
• Coordinate laboratory interfaces with Process, Geology, Metallurgy, Environment, Maintenance, Supply Chain, IT, HSE, and external service providers.
• Initiate and prioritize maintenance work orders and coordinate with qualified maintenance personnel and vendors. Laboratory staff may perform operator-level checks and troubleshooting only within their training and authorization.
• Oversee laboratory safety inspections, risk controls, chemical management, waste handling, housekeeping, emergency readiness, and compliance with site HSE requirements.
• Monitor laboratory consumables, critical spares, inventory, procurement priorities, operating costs, and budget performance.
• Ensure laboratory instruments, critical equipment, software, and data systems are available, controlled, and fit for purpose, including appropriate interfaces with LIMS or other approved systems.
• Prepare and communicate laboratory performance information, including workload, turnaround time, QA/QC status, equipment availability, safety performance, staffing constraints, and significant risks.
• Lead investigations and improvement initiatives related to analytical performance, workflow, productivity, cost, safety, and reliability.
• Ensure external laboratories, contractors, and service providers are appropriately managed when used for overflow, specialist analyses, calibration, maintenance, or verification work.
• Perform other duties consistent with the nature and level of the position.

Provide leadership to the Power Plant Team

• Lead, mentor, and develop Assay Lab worker, technicians and supervisory personnel.
• Establish performance expectations and monitor employee performance against agreed objectives.
• Identify training and development requirements to maintain a competent workforce.
• Promote teamwork, accountability, and continuous improvement within the department.
• Support succession planning and talent development initiatives.
• Ensure effective workforce planning and staffing to meet operational requirements.

Working Experience

• A minimum of 12 years of working experience.
• A minimum of 8-10 years of experience at a supervisory level.

Qualification

• Bachelor degree in Chemistry/ Analytical Chemistry/ Metallurgy/ Geochemistry, or a related technical discipline; equivalent extensive mine-assay laboratory experience may be considered.

Technical Skills/ Knowledge

• Significant experience in a mine-site analytical laboratory, including demonstrated supervisory or management responsibility.
• Strong practical knowledge of precious-metal assaying, sample preparation, wet chemistry, and common analytical instrumentation used in mining laboratories.
• Demonstrated knowledge of laboratory QA/QC, statistical review of analytical data, method control, and investigation of analytical failures.
• Ability to manage people, priorities, budgets, contractors, equipment availability, and multiple internal customers in a production environment.
• Working knowledge of laboratory information systems, electronic data management, and standard business software.

Required Behavioral Skills

• Results-oriented and adaptable professional with a hands-on approach to field execution and the ability to perform effectively in remote, multicultural, and fast-paced operational environments.
• Collaborative leader with the ability to work effectively across diverse teams and field environments while mentoring, motivating, and developing technical personnel.

Required Leadership Skills

• Applies Strategic Thinking & Global Focus: Brings a global mindset and systemic thinking to support the strategic focus and future success of the organization. Demonstrates Personal Leadership: Takes personal ownership for the success of the organization achieved through candor, creative debate active listening, coaching and a commitment to self-improvement. Drives Excellence in Execution: Enables breakthrough results through organizational alignment, courageous action, new thinking, and accountability.
• Develops People, Teams, & Culture: Maximizes the potential of individuals, teams, and culture through a targeted investment in coaching, development, and engagement.
• Builds Diverse Stakeholder relationships: Proactively develops strong and mutually beneficial relationships with multiple stakeholders.

G Mining Ventures welcomes all applications and is committed to evaluating candidates fairly and without discrimination. We are proud to offer equal employment opportunities to all.

Knowledge of a language other than French is required for this position, as G Mining Ventures’ sites are international and the incumbent will need to communicate with them regularly.