Senior Supervisor Lab

POSITION OVERVIEW

The Sr. Supervisor-QC Lab is responsible for running all aspects of laboratory safely and efficiently servicing the ASARCO Ray Mine. The Sr. Supervisor-QC Lab takes responsibility for all areas of the Ray Mine lab, including industry best practice analytical results, equipment, employees, supplies, software, training, and documentation. Supervisory duties include oversight of all analytical methods and results, scheduling staff, reordering supplies, and maintaining security standards. A minimum of a bachelor's degree in a laboratory-related area and several years of experience are required.

ESSENTIAL FUNCTIONS

- Sr. Supervisor-QC must ensure their employees follow industry best practices standards and safety regulations for handling analyzing and disposing of test samples.

- Supervise daily Mine/Mill/SXEW sample analysis to produce results in a timely manner.

- Supervise all lab personnel to optimize efficiency, work performance, and proper time management.

- Develop training plan to ensure laboratory personnel are properly trained and keep current with latest industry standards and technology.

- Must be familiar with analysis via flame atomic absorption spectrophotometer, X-ray fluorescence. pH and gravimetric measurements / determinations, particle size analysis.

- Follow QA/QC procedures for solid/aqueous samples. Communicate with relevant departments to determine necessary/proper analytical methods for their needs.

- Crosscheck flame AA values with XRF values. Follow trends, analyze comparison statistically, and determine potential areas for XRF calibration updates and/or alterations.

- Ensure X-ray Fluorescence calibration over time performance maintenance.

- Must have firm understanding of matrix effect implications in pressed pellet XRF analysis.

- Must have experience in X-Ray Diffraction (XRD) and perform quantitative mineralogical determinations based on ore body characterization.

- Maintenance/calibration of analytical equipment: Quantify calibration materials to ensure the accuracy and precision of lab equipment. Perform preventive maintenance as needed to confirm proper operation.

- Follow performance of certified reference materials, in-house reference material, and mine sample analysis to ensure accuracy/precision of lab equipment.

- Sr. Supervisor is responsible for purchasing lab supplies or preparing ordering lists for daily operating requirements and keeping QC lab in proper working condition.

- Must ensure that all documents, information, and data collected in the lab is kept safe and archived.

- Able to cross train job responsibilities.

- Document, update, and follow all standard operating procedures (SOP), and counsel and train laboratory techs on all SOPs and workflow.

- Maintain annual operational budget.

- Optimize analytical procedures to streamline laboratory workflow.

- Promote/maintain safety and good housekeeping in the lab area.

- Maintain Kronos timekeeping for all subordinates.

ADDITIONAL DUTIES

- Responsible for executing, supporting, and enforcing the Company's Environmental, Health and Safety program as required by OIS policy, directives, and principles.

- Work with other departments on special projects as needed or assigned by the

- Adhere to the ASARCO Environmental, Safety and Health guidelines.

- Other duties as assigned.

Requirements:

REQUIRED KNOWLEDGE SKILLS AND ABILITIES

- Strong interpersonal skills in developing team building.

- Must have good computer skills with MS Windows, MS Word, MS Excel, and MS Outlook, ASSAYNET LIMs and SAP.

- Must be able to manage time effectively and set priorities.

- Requires the ability to manage multiple tasks.

- Comprehensive knowledge and understanding of the entire lab operation with respect to lab priorities pertaining to the various departments within the Ray structure of operations.

REQUIRED EDUCATION AND EXPERIENCE

- BS in Chemistry or equivalent science field within a science curriculum.

- MSHA certification required.

- Preferably an extensive knowledge of QAQC lab procedures with experience in the discipline of mining. A concentration of skills and knowledge with Optical Emission Spectroscopy (OES), FT-NIR, LECO sulfur analyzer, SXEW solution analysis i.e. organics, electrolyte. Knowledge of Flame Atomic Absorption (FAA), XRF, XRD, Titrametrics, and dilutions.

A core value of ASARCO LLC is “Safety First.” The Company is committed to help employees continuously improve their efforts to work in the most safe, inclusive, socially and environmentally responsible manner practicable. Employee safety and health, both on and off the job, are critically important to the Company. Therefore, ASARCO LLC requires employees to have and effectively demonstrate good working knowledge of modern safety systems. Each employee will take prime responsibility for ensuring that s/he works within all required safety procedures and processes.

ASARCO LLC is an equal opportunity employer. Candidates must possess a current and valid driver's license. Offers of employment are contingent upon a successful criminal background check and pre-employment physical including a drug screen (hair analysis).

ASARCO LLC offers an excellent low cost benefits package for medical/prescription/ dental/vision, disability coverage, life insurance and other optional coverage and 401(k) plan with company match.

The Ray mine is located 64 miles southeast of Phoenix and 70 miles northeast of Tucson. We have a robust carpool / vanpool program and encourage employees to participate. Employees save more than 50% of their commuting costs while reading, sleeping or just enjoying the view.