Quality Control Lab Technician - Night Shift

Asahi Kasei•Charlotte, NC
•Onsite

About The Position

Celgard is seeking a Quality Control Lab Technician to join the Quality team in Charlotte, North Carolina. Reporting to the Quality Supervisor, the technician performs product quality testing in a plastic separator manufacturing facility and maintains safe, secure lab operations during the assigned shift. The role supports the plant’s alignment with automotive requirements through product testing and other quality-related work in the manufacturing area. The position is on a night shift, working 12-hour shifts from 6:00 p.m. to 6:00 a.m. on a 2-2-3 schedule. Work takes place in a manufacturing plant and production environment around chemicals, with standing and walking throughout the shift. The role may require lifting up to 35 pounds and applying force to push, pull, or otherwise move objects. Celgard develops and manufactures membrane battery separators used in lithium-ion batteries for electric vehicles and energy storage systems. Its manufacturing sites are IATF 16949 and ISO 9001 certified.

Requirements

  • High school diploma or equivalent.
  • At least 1 year of hands-on laboratory experience or previous Celgard operations experience; relevant advanced education and coursework may be considered in lieu of experience.
  • Prior experience documenting test results and observations.
  • Proficiency in Microsoft Office applications, including Excel, Word, and Outlook.
  • Good math skills and understanding of English-to-metric and metric-to-English unit conversions.
  • Excellent oral and written communication skills for creating and revising laboratory procedures and documentation.
  • Time-management skills and ability to work in a team-based, multitasking environment with a daily focus on safety and quality.
  • Ability to manage multiple projects and activities while remaining flexible and adaptable as priorities change.
  • Ability to work with limited supervision and take initiative.
  • Excellent attention to detail and organizational skills.
  • Initiative, analytical skills, and a strong sense of urgency.
  • Strong problem-solving skills.
  • Ability to contribute to a high-performing team and foster open and honest communication.
  • Ability to address conflict productively, raise issues for discussion, and work toward mutually beneficial outcomes.

Nice To Haves

  • Experience performing chemical and physical testing in a quality-control laboratory for the release of manufactured products.
  • Previous laboratory experience in an analytical or research and development environment.
  • Hands-on experience working with polymer resins.
  • Experience with an ISO-certified system.
  • Experience as an internal auditor in an ISO-certified quality system.
  • Knowledge of basic statistical concepts.
  • Knowledge of requirements for a certified environmental system.

Responsibilities

  • Perform standard and non-routine quality-control tests, including physical and chemical testing.
  • Perform routine and non-routine resin testing using equipment such as Differential Scanning Calorimeters, TGA analyzers, FTIR spectroscopy, rheometers, melt-flow indexers, and pycnometers.
  • Maintain the calibration status of laboratory equipment.
  • Maintain accurate paper and electronic records of data and observations.
  • Prepare and verify the accuracy of product shipment data certificates (COAs).
  • Maintain quality-control document control, including test procedures, calibration procedures, and forms.
  • Collaborate and communicate with department and cross-functional team members, participate on cross-functional teams, and lead meetings.
  • Communicate by telephone and email in a friendly and professional manner.
  • Participate in employee involvement activities and ISO 9000 and TS16949 initiatives.
  • Practice safe and environmentally sound work habits and incorporate safety into work activities.
  • Maintain a clean, organized, and tour-ready work environment and participate in 5S activities.
  • Present to small groups and participate in customer and visitor tours of the lab and facility.
  • Train new and current employees as needed.
  • Maintain professional and productive relationships with management and coworkers.
  • Use key performance indicators to gauge performance, identify improvement opportunities, and implement corrective actions.
  • Collaborate with personnel from other departments to meet objectives and support continuous improvement initiatives.
  • Apply Lean Manufacturing principles to support continual improvement and plant goals.
  • Keep all Celgard information confidential.

Benefits

  • Comprehensive healthcare benefits effective the first day of the month.
  • Flexible Spending Account and Health Savings Account.
  • Vacation, 8 paid holidays, and 24 hours of floating holidays.
  • 401(k) Safe Harbor contribution and matching.
  • Paid parental leave after one year of employment.
  • Employee Assistance Program.
  • Life and disability insurance.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service