Summary
Overview
Work History
Education
Skills
Certification
Professional Attributes
Technical And Leadership Skills
Timeline
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Nontobeko Mtshali

Laboratory Supervisor
KwaMbonambi

Summary


Diligent laboratory supervisor with solid background in laboratory management and process optimization. Successfully led teams in enhancing operational efficiency and maintaining high-quality standards. Demonstrated expertise in team leadership and regulatory compliance.

Overview

17
17
years of professional experience
22
22
years of post-secondary education
7
7
Certificates

Work History

Laboratory Supervisor

Intertek
Richardsbay
03.2020 - Current
  • Conduct and manage shift handovers, ensuring smooth transition between shifts and accurate communication of lab activities.
  • Supervise testing procedures during shifts, ensuring adherence to turnaround times and accuracy targets.
  • Perform operational inspections of laboratory areas at shift start/end to maintain safety and compliance.
  • Monitor and guide performance of laboratory team members; support training and mentoring initiatives.
  • Draft and submit reports on sample testing, equipment status, and compliance with safety protocols.
  • Perform Critical Control Field Verifications and participate in safety walkabouts to uphold operational standards.
  • Lead toolbox talks to address safety, housekeeping, and process adherence.
  • Oversee sample collection, handling, and analysis in line with standard operating procedures.
  • Operate and troubleshoot laboratory equipment (GC, HPLC, UV-Vis, ICP, titration units).
  • Manage raw material, intermediate, and final product analysis aligned with ISO and internal quality frameworks.
  • Assisted with development and administration of laboratory budgets.
  • Implemented preventive maintenance schedules for laboratory equipment, resulting in reduced downtime and repair costs.
  • Instructed students on proper use and maintenance of equipment to prevent injuries.
  • Developed strong relationships with vendors, ensuring timely delivery of supplies and cost-effective procurement practices.
  • Established a safe working environment by enforcing strict adherence to safety protocols and guidelines.
  • Ensured accuracy in testing by maintaining rigorous quality control standards and regularly calibrating equipment.
  • Oversaw in-depth laboratory inspections and contributed to favorable outcomes.
  • Created quality control reports on monthly basis.
  • Maintained compliance with regulatory requirements by staying current on industry standards and updating policies accordingly.
  • Increased productivity with effective resource allocation, maximizing the use of available personnel and equipment.
  • Mentored junior staff members to foster professional growth, skill development, and career advancement opportunities within the organization.
  • Contributed to the development of new tests or methodologies through collaborative research efforts with colleagues or external partners.
  • Reduced turnaround time for test results by optimizing workflows and laboratory procedures.
  • Enhanced laboratory efficiency by streamlining processes and implementing new technologies.
  • Facilitated troubleshooting efforts during unexpected challenges or crises while maintaining composure under pressure.
  • Maintained equipment and facilities in good working order.
  • Coordinated cross-functional projects involving multiple departments or facilities to achieve shared objectives efficiently and effectively.
  • Promoted collaboration among team members through regular meetings, open communication channels, and team-building activities.
  • Prepared employee schedules according to individual needs and skills, as well as coverage requirements.
  • Actively participated in industry conferences or workshops to stay current on trends, innovations, or best practices relevant to laboratory operations or management responsibilities.
  • Improved staff competency through continuous training programs and performance evaluations.
  • Directed quality assurance standards to maximize results.
  • Provided excellent customer service to clients by addressing inquiries promptly, providing accurate test results, and offering expert guidance on interpreting findings when necessary.
  • Conducted CAP studies and performed daily quality control runs and biannual CVM tests.
  • Worked closely with quality assurance teams to address and resolve any discrepancies or concerns related to laboratory processes, data, or results.
  • Streamlined data management systems for increased accuracy in record-keeping and reporting.
  • Developed strong working relationships with other departments, ensuring seamless integration of laboratory services within the larger organizational ecosystem.
  • Managed budget effectively by monitoring expenses, identifying cost-saving opportunities, and prioritizing investments in resources that maximize value for the organization.
  • Gathered laboratory samples, monitored fluids and read test results to make accurate care decisions.
  • Recorded and interpreted laboratory results to present to senior colleagues.
  • Prepared and validated buffers and in-house reagents, calibrators, and controls in advance of laboratory testing and analysis orders.
  • Developed and implemented standard operating procedures to verify quality control.
  • Investigated and resolved issues related to laboratory processes and procedures.
  • Provided technical guidance and training to laboratory staff.
  • Prioritized work assigned, maintained accurate records of work performed and initiated corrective action in case of defective records or inadequate care plans.
  • Recorded and analyzed data to produce reports of results.
  • Prepared samples for analysis by performing complex sample preparation tasks.
  • Participated in lab meetings and project presentations.
  • Adhered to laboratory safety procedures to maintain compliance with quality control standards.

Laboratory Technician

Intertek
Richardsbay
10.2015 - 02.2020
  • Conduct chemical and physical testing on raw materials, intermediates, and final products.
  • Develop and validate analytical methods to support product quality and compliance.
  • Interpret analytical data, troubleshoot issues, and recommend corrective actions.
  • Prepare and issue Certificates of Analysis (COAs) for customer documentation.
  • Ensure calibration and maintenance of lab equipment and manage chemical inventory.
  • Implement GLP and GMP practices and maintain ISO 9001 and ISO 17025 compliance.
  • Participate in internal/external audits and support lab accreditation processes.
  • Assist with R&D projects including product formulation and root cause investigations.
  • Prepared samples for analysis by performing complex sample preparation tasks.
  • Analyzed results using analytical software and created reports.
  • Prepared reagents and solutions following standard laboratory formulas and procedures.
  • Developed new protocols and improved existing laboratory processes.
  • Operated and performed preventative maintenance on laboratory equipment and instruments.
  • Inspected laboratory equipment to maintain good working condition for optimal results.
  • Prepared reagents, media and solutions to use for laboratory testing and analysis.
  • Prepared samples for shipping and disposed of bodily fluids in proper containers.
  • Tracked collected specimens by initialing, dating, and noting times of collection.
  • Recorded and analyzed data to produce reports of results.
  • Maintained documentation on tests performed in lab.
  • Performed routine lab and department maintenance to keep area clean and orderly.
  • Calibrated and maintained instruments to keep equipment fully operational.
  • Performed testing and quality control using approved laboratory procedures and instrumentation.
  • Documented information by maintaining daily logs and equipment record books.
  • Collected and performed analytical testing on in-process product.
  • Maintained a high level of accuracy in test results by following strict quality control procedures.
  • Operated basic laboratory equipment such as balances, pH meter, colorimeter, spectrophotometer, autoclave and evaporator.
  • Reduced errors in data entry by meticulously reviewing and validating information before submission.
  • Completed quality documents and input and saved quality data in appropriate locations.
  • Contributed to a safe working environment by consistently following established safety procedures and guidelines within the lab setting.
  • Trained new associates in laboratory procedures and standards.

Laboratory Assistant

SGS
Richardsbay
04.2012 - 09.2015
  • Performed sample preparation and analytical testing (ICP, AAS, XRF) on various materials.
  • Assisted with quality control checks, data capturing using LIMS, and lab equipment maintenance.
  • Ensured adherence to ISO 17025 standards and maintained high safety and operational standards in all lab activities.

In-service Trainee – Laboratory Trainee

Exxaro
Lephalale
01.2008 - 03.2012
  • Conducted routine coal and mineral sample analysis (moisture, ash, calorific value) using standard lab techniques and instruments (XRF, AAS).
  • Assisted with sample preparation and accurate data recording using LIMS.
  • Maintained lab equipment and ensured compliance with ISO 17025 and HSE standards.
  • Supported the daily operations of the lab with a strong focus on quality, safety, and efficiency.

Education

National Diploma - Analytical Chemistry

Durban University of Technology
Durban
06.2010 - 06.2010

Diploma - Workplace Safety and Health

Alison
04.2001 - 01.2023

Skills

Laboratory Supervision

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Certification

Good Laboratory Practices (GLP)

Professional Attributes

  • Strong leadership and accountability on shift
  • Committed to quality, safety, and accuracy
  • Adaptable in high-pressure environments
  • Excellent communication and reporting skills
  • Proactive in identifying and resolving issues

Technical And Leadership Skills

  • Laboratory Supervision & Team Coordination
  • ISO Standards Compliance (9001:2015, 17025:2017)
  • Turnaround Time (TAT) Monitoring & Reporting
  • Sample Collection, Testing & Data Interpretation
  • Instrumentation (HPLC, GC, UV-Vis, ICP, titration, XRF, AAS)
  • Equipment Status Monitoring & Maintenance
  • Root Cause Analysis & Continuous Improvement
  • Health & Safety Compliance (GLP, GMP)
  • Strong Proficiency in Excel, Word, PowerPoint

Timeline

Laboratory Supervisor

Intertek
03.2020 - Current

Laboratory Technician

Intertek
10.2015 - 02.2020

Laboratory Assistant

SGS
04.2012 - 09.2015

National Diploma - Analytical Chemistry

Durban University of Technology
06.2010 - 06.2010

In-service Trainee – Laboratory Trainee

Exxaro
01.2008 - 03.2012

Diploma - Workplace Safety and Health

Alison
04.2001 - 01.2023
Nontobeko MtshaliLaboratory Supervisor