Job Description

Quality Control Scientist

Position Overview and Expectations:

Quality control is an integral component at Keystone. Quality control personnel enable production teams to work efficiently through prompt completion of all testing. He/she is also responsible for ensuring that all products leaving the facility are of the highest quality.

Junior Scientist

Essential Job Functions:

  • Perform quality control testing on raw materials, intermediates and finished products. Issue adjustments, approvals and rejections, as needed.
  • Generate certificates of analysis and related quality control documents
  • Identify, document and communicate quality Issues
  • Under the guidance of senior laboratory staff, develop products to meet customer needs
  • Produce customer specialty samples as necessary
  • Participate in the general upkeep of the laboratory
  • Work safely with hazardous chemicals and waste
  • Operate analytical equipment
  • Complete special assignments and prepare reports/project summaries, as required
  • Assist with training of new employees


  • 0-3 years’ experience in a laboratory environment
  • Good verbal and written communication skills
  • Strong interpersonal skills
  • Good decision-making skills
  • Strong organizational skills
  • Good analytical skills
  • Strong attention to detail
  • Math skills – unit conversion, ratio, percentage
  • Computer proficient
  • Proficiency with MS Office – especially Excel


  • 4-yr college degree in a technical field (Chemistry, Bio-chemistry, Biology or similar)

Associate Scientist: Additional Functions and Qualifications

  • Troubleshoot quality issues with minimal to no supervision
  • Adapt, modify, or develop new test methods as needed to predict performance of finished goods in actual application
  • Lead training of new personnel
  • Investigate product quality complaints as assigned by laboratory management
  • Perform basic document/data review tasks in New Product Launch software
  • Operate advanced analytical equipment


  • Minimum 2 years’ experience in a laboratory atmosphere, preferably in Quality Control
  • Previous experience working in a manufacturing environment
  • ERP/MRP software experience (Microsoft Dynamics AX experience is a plus)
  • Knowledge of equipment and validation requirements
  • Knowledge of sampling and measurement quality tools
  • Good problem-solving skills
  • Experience with cosmetic industry manufacturing processes and batch preparation is preferred
  • Basic knowledge of GMP procedures, record keeping and the ability to write procedures as needed

Scientist – Additional Functions and Qualifications

  • Independently troubleshoot complex quality issues without supervision
  • Recommend and initiate techniques to resolve problems and improve efficiency
  • Oversee training of new personnel
  • Assist in the preparation and maintenance of KRP quality system documentation, including but not limited to batch cards, QCAs, COAs, SOPs and retains
  • Interface with analytical team for routine and advanced analytical work including but not limited to method development, instrument maintenance, data management, review and reporting of results
  • Interface with production management for advanced troubleshooting of quality issues and evaluation and validation of designed process improvements
  • Assign supplemental projects to QC team members and oversee the related tasks as directed by senior management
  • Participate in internal and external audits
  • Investigate product quality complaints. Document, file and report results to appropriate personnel.
  • As needed, directly interface with suppliers, sales staff and customers as part of the product development process and/or quality management process
  • Oversee QC testing of raw materials, intermediates, and finished products
  • Assist in the development of product specifications and formulations and perform review and onboarding tasks for new and revised products and train QC team members to new product specifications and methods
  • Operate, maintain, and troubleshoot analytical equipment. Perform onboarding steps for new instruments.


  • Minimum 5 years’ experience in a laboratory atmosphere, preferably in Quality Control
  • Minimum 2 years’ experience working in the chemical industry
  • Experience in Quality Systems e.g. ISO 9001, 22716, 13845
  • Proficient in extracting and reviewing/interpreting data
  • Excellent decision-making skills
  • Excellent organizational skills
  • Leadership/mentoring skills

Physical Demands and Environment

The physical demands and work environment characteristics described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

Physical Demands: Employee is required to walk; sit; use hands to finger, handle or feel objects, tools, or controls. Ability to wear/use personal protective equipment as required such as lab coat, goggles, gloves, masks, etc.

Work Environment: This position requires one to work both in an office environment and a lab. Ability to work in an upright and /or stationary position for 6-8 hours per day. Repetitive hand movement of both hands with the ability to make fast, simple, repeated movements of the fingers, hands, and wrists to operate lab equipment. On occasion, may be exposed to light fumes or airborne particles.

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