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Alfred H Knight Group

Global inspection and analytical consultancy services

Supervisor de Laboratorio

Process EngineeringConfirmed live in the last 24 hours
Full-timePudahuel, Santiago Metropolitan Region, ChileNo salary listed

About the Job

Requirements

  • Knowledge of mineral processing and extractive metallurgy fundamentals.
  • Knowledge of the design, execution, and control of metallurgical tests.
  • Knowledge of mineral sample preparation and handling.
  • Knowledge of mass balances and metallurgical balances.
  • Knowledge of basic statistics, data analysis, and interpretation of results.
  • Knowledge of quality control, traceability, and technical documentation.
  • Knowledge of laboratory safety, chemical handling, and waste management.
  • Proficiency with Excel and tools for recording and analyzing data.
  • Three to five years of experience in metallurgical laboratories, mineral-processing plants, or conducting experimental tests.
  • A degree or qualification in Chemical Engineering (execution or civil), Metallurgical Engineering, or a related career.
  • Ability to use digital tools, including Excel, Word, and email.
  • Intermediate English is listed as a desirable, non-exclusive requirement.
  • Health compatible with the role.

Responsibilities

  • Plan and distribute the laboratory’s daily and weekly activities in accordance with test programs and client commitments.
  • Coordinate test execution, assigning resources, personnel, equipment, and supplies according to operational priorities.
  • Monitor schedules, identify deviations, and manage corrective actions in a timely manner.
  • Coordinate the receipt, identification, preparation, homogenization, and division of samples while ensuring traceability.
  • Verify the availability and operability of equipment, materials, and reagents needed for testing.
  • Communicate with operations, maintenance, and project teams.
  • Supervise metallurgical tests in accordance with experimental protocols, internal procedures, and client technical requirements.
  • Verify operational conditions and critical variables defined for each test.
  • Coordinate mineral characterization and processing tests, including comminution (crushing, grinding, and determination of comminution parameters), flotation (batch tests, flotation kinetics, and reagent evaluation), hydrometallurgy (bottle, column, and other experimental leaching configurations), solid-liquid separation (sedimentation, thickening, and filtration), concentration and recovery tests, evaluation of processing alternatives, and pilot tests and metallurgical balances when applicable.
  • Review experimental records and verify the consistency of obtained data.
  • Identify experimental deviations, anomalous results, or conditions that could affect test validity.
  • Provide technical support to the team in resolving operational and experimental problems.
  • Ensure compliance with current procedures, instructions, and technical protocols.
  • Verify proper calibration, verification, and maintenance of equipment and measuring instruments.
  • Control the identification, preservation, storage, and traceability of samples and products obtained.
  • Review mass balances, metallurgical balances, and result consistency as applicable.
  • Promote quality controls such as duplicates, blanks, reference materials, and other controls defined for each methodology.
  • Manage nonconformities, investigate their causes, and coordinate corrective and preventive actions.
  • Contribute to standardizing and improving test methods to strengthen result reproducibility and reliability.
  • Lead the application of occupational health and safety standards in laboratory activities.
  • Verify hazard identification, risk assessment, and critical-control application before and during tests.
  • Ensure proper use of personal protective equipment and compliance with safe-work procedures.
  • Supervise handling, storage, and disposal of chemical reagents, waste, and hazardous materials.
  • Investigate incidents and substandard conditions and implement control and follow-up measures.
  • Promote a preventive culture, timely risk reporting, and active team participation.
  • Assign tasks and supervise the performance of assigned personnel to ensure technical and operational standards are met.
  • Train the team in procedures, test methodologies, equipment operation, and safety practices.
  • Verify personnel’s technical competencies for independently carrying out assigned activities.
  • Manage shifts, attendance, replacements, and operational coverage according to laboratory needs.
  • Provide team feedback and identify development and training opportunities.
  • Control consumption of reagents, supplies, materials, and spare parts associated with testing.
  • Oversee efficient use of resources and propose initiatives to improve laboratory productivity.
  • Coordinate preventive and corrective maintenance of equipment and facilities.
  • Identify investment, equipment-renewal, and infrastructure-improvement needs.
  • Control operating costs associated with test programs and support budget preparation when applicable.
  • Consolidate and review laboratory operational records and experimental results.
  • Prepare progress, program-compliance, deviation, and productivity reports.
  • Coordinate timely delivery of technical information to project leads and clients.
  • Ensure the integrity, traceability, and availability of each test’s records.
  • Participate in planning meetings, results reviews, and commitment follow-up.
  • Propose improvements to record-keeping systems, data control, and technical reporting.

Desired Qualifications

  • Intermediate English is explicitly described as a non-exclusive requirement.

About the Company

Alfred H Knight Group

Global inspection and analytical consultancy services

Alfred H Knight Group provides inspection, analytical and technical consultancy services for metals, minerals, solid fuels and agricultural industries. Its product is a combination of on-site inspections and laboratory analysis delivered through a global network of inspectors and laboratories in over 45 countries to produce accurate, reliable results across the global value chain (including on-site and port locations). The company differentiates itself through its 140+ years of experience, deep industry focus, extensive global reach, and ongoing investment in people, facilities and services to maintain consistent service levels. Its goal is to deliver high-quality, dependable results and grow as a global entity by supporting clients with timely insights across the value chain.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Prescot, United Kingdom
Founded
1881

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