Quality Control Chemist

Coast Southwest, Inc.; Paso Robles (CA); On-site; USD 60,000 - 85,000; Full time

Job summary

Coast Southwest, Inc. in Paso Robles, CA is seeking a Quality Control Chemist to analyze materials in the Quality Control Laboratory.

You will work with chemists and plant personnel to ensure accurate testing and compliance with GMP guidelines, SOPs, and safety procedures. The role requires a Bachelor’s degree in Chemistry and at least two years’ laboratory testing experience, with proficiency in MS Office and laboratory safety.

Qualifications

• Bachelor’s degree in Chemistry or a related discipline.
• Minimum of two years’ experience with laboratory testing techniques.
• Knowledge of QC lab practices, procedures and equipment.
• Ability to work safely independently and with others.
• Strong organization and attention to detail.

Responsibilities

• Collaborate with chemists and plant personnel.
• Determine and calculate additions to batches.
• Approve products, raw materials and samples for release.
• Perform multiple tests and safety-compliant tasks.
• Maintain a clean, organized lab environment.

Skills

Analytical chemistry techniques

Microsoft Office

Laboratory safety

Multitasking

Cross-functional collaboration

Education

Bachelor’s degree in Chemistry or related discipline

Tools

HPLC

GC

Spectrophotometry

Job description

Paso Robles, CA Posted Aug. 27, 2026

The Quality Control Chemist will be responsible for analyzing materials using a variety of instrumental and testing methods as part of the Coast Southwest Quality Control Laboratory Department.

Essential Job Duties And Responsibilities

• Work collaboratively and cooperatively with other chemists and plant personnel.
• Determine and calculate appropriate additions to batches.
• Approve products, raw materials and samples for release.
• Handle multiple tests and products simultaneously while adhering to safety protocols.
• Perform proper microbiological plating techniques and reading determinations.
• Maintain a clean and organized laboratory with special attention to safety.
• Participate in improvement projects as directed by the manager.
• Perform preventive maintenance, calibration, and verification on lab equipment and methods.
• Create, maintain, and standardize reagents.
• Follow Good Manufacturing Practices (GMP) guidelines, SOPs, and other site-specific documentation.
• Participate in periodic safety and staff meetings.
• Stay current on industry trends, standards, and regulations.
• Perform other duties as required and directed by the Manager.

Qualifications

• Bachelor’s degree in Chemistry or a related discipline.
• Minimum of two (2) years of experience with laboratory testing techniques, gained through education or employment.
• Knowledge of Quality Control (QC) lab practices, procedures, and equipment.
• Ability to work safely both independently and with others while following all required safety protocols.
• Ability to prioritize, organize, and follow through on tasks.
• Strong aptitude and troubleshooting skills.
• Proficiency in Microsoft Office products.
• Excellent organizational, verbal, and written communication skills, with a high level of attention to detail.
• Exceptional interpersonal skills, with the ability to communicate effectively and build relationships with multiple internal departments at all organizational levels.
• Ability to meet the physical requirements of the position, including lifting up to 50 pounds; working around hazardous chemicals; wearing all required personal protective equipment (PPE); and performing physically demanding tasks involving lifting, bending, kneeling, and twisting.
• Demonstrated proficiency in mathematics and the ability to perform mathematical calculations accurately.

WORKING ENVIRONMENT (PHYSICAL/MENTAL DEMANDS)

The Demands Of This Job Include

• The physical and mental capacity to effectively perform all essential job duties and responsibilities.
• Must be able to concentrate on details, work under deadline pressures, apply sound logic and judgment, and prioritize tasks and responsibilities.
• Must be able to focus and multitask in a busy environment and maintain composure in potentially stressful situations.
• Maintain effective and professional relationships with executives, staff, customers, vendors, and governmental agencies.
• Access to and maintenance of confidential and sensitive information.
• Must undergo and meet company standards for background checks, drug testing, and behavioral assessments.
• Employee is regularly required to sit, stand, and walk.
• Ability to verbally communicate both in person and via telephone.
• Ability to utilize various office equipment, including computer, telephone, and a copy machine.
• Occasional lifting and/or moving of up to 50 pounds.