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Alfred H Knight Group

Global inspection and analytical consultancy services

Operador de Laboratorio

Machine & Process OperationPosted on Nov 6
Full-timePudahuel, Santiago Metropolitan Region, ChileNo salary listedIn-person

About the Job

Requirements

  • Technical secondary or higher-level qualification in Metallurgy, Mining, Chemistry, Industrial Processes, or a related field.
  • Desirable experience of 1 to 2 years in metallurgical laboratories, mineral-processing plants, or related operational activities.
  • Ability to meet the health requirements compatible with the role.
  • Knowledge of sample preparation, laboratory equipment operation, reagent handling, and measurement and recording of operational variables.
  • Knowledge of comminution processes, including crushing, grinding, and determining comminution parameters.
  • Knowledge of flotation tests, including batch tests, flotation kinetics, and reagent evaluation.
  • Knowledge of hydrometallurgy, including bottle and column leaching and other experimental configurations.
  • Knowledge of solid-liquid separation, including sedimentation, thickening, and filtration.
  • Ability to use digital tools such as Excel, Word, and email.
  • Ability to work in a team, organize work, and exercise preventive leadership and positive influence.

Responsibilities

  • Execute metallurgical tests according to procedures, protocols, and instructions from the process engineer or responsible supervisor.
  • Prepare, condition, and homogenize mineral samples, ensuring correct identification and representativeness.
  • Perform crushing, grinding, classification, sieving, mixing, splitting, and sample preparation as required for each test.
  • Operate equipment and systems for flotation, leaching, gravity concentration, sedimentation, thickening, and other applicable laboratory tests.
  • Prepare solutions, reagents, and mineral pulps, controlling required concentrations, dosages, and operating conditions.
  • Monitor and record operational variables such as time, temperature, pH, solids percentage, particle size, flow rate, and reagent dosage as defined in experimental protocols.
  • Conduct batch, continuous, kinetic, and other metallurgical evaluation tests according to training and authorization level.
  • Inspect equipment and instruments before work, verifying their condition and operating status.
  • Operate equipment according to safe-work procedures and manufacturer instructions.
  • Clean and perform basic maintenance and operational checks on equipment.
  • Identify and report equipment failures, wear, abnormalities, or maintenance needs.
  • Verify the availability of materials, tools, supplies, and reagents needed for testing.
  • Keep equipment, tools, and work areas orderly, clean, and functional.
  • Record experimental data, measurements, observations, and operating conditions completely, promptly, and legibly.
  • Maintain identification and traceability of samples and intermediate and final products.
  • Complete laboratory worksheets, operating records, forms, and tracking spreadsheets.
  • Check recorded data for consistency and communicate unusual results or deviations to the supervisor.
  • Follow applicable quality-control procedures when conducting tests.
  • Deliver samples and products for subsequent analyses with appropriate identification.
  • Comply with applicable occupational health, safety, and environmental standards.
  • Use the personal protective equipment specified for each task.
  • Apply safe-work procedures, risk analyses, and relevant operational controls.
  • Handle chemicals, reagents, and hazardous materials according to their safety data sheets.
  • Maintain order and cleanliness to prevent spills, exposure to hazardous substances, and accidents.
  • Segregate and properly dispose of solid, liquid, and chemical waste generated during testing.
  • Report incidents, unsafe conditions, near misses, and environmental deviations.
  • Stop work and notify the supervisor when conditions could compromise people’s safety, equipment integrity, or result validity.
  • Meet daily activity schedules and deadlines for each test.
  • Coordinate activities with supervisors, process engineers, and other operators.
  • Report progress, difficulties, deviations, and operational needs during work.
  • Participate in operational meetings, training, and continuous-improvement initiatives.
  • Propose improvements to work methods, supply use, execution time, and operational efficiency.
  • Communicate with the team to support continuity and quality of laboratory services.

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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