Laboratory Assistant I, Analytical Chemistry

Charles River Laboratories

About the Role

Perform basic laboratory and record-keeping tasks.

Key Responsibilities

  • Efficiently perform and document all procedures, materials, and results in compliance with all regulatory standards as applicable (GLPs, protocols, analytical procedures, SOPs, etc.) with oversight as needed.
  • Demonstrate effective communication skills through informal and formal discussions with peers, management, and team.
  • Perform basic to moderately complex equipment maintenance and daily routine laboratory tasks as needed (e.g., hazard waste disposal, dish washing, expired reagent checks) with oversight as needed.
  • Perform laboratory support functions such as labeling and solution preparations (e.g., buffers, media/matrices, solvent mixtures), with oversight.
  • Assist with laboratory inventory management of consumables and samples. This may include filling and placing orders, shipping and archiving items, or using a LIMS system or equivalent software, with oversight.
  • Document departmental, study, and non-study incidents, deviations, or notes to file as needed, with oversight.
  • Actively participate in process improvement initiatives with oversight as needed.
  • Participate in peer-to-peer meetings.
  • Assist with maintenance of lab hygiene with oversight.
  • Develop critical thinking, troubleshooting and time management skills aligned with needs of the operational area.
  • Develop skills with fridge and freezer inventory management (LIMS or other equivalent system) with oversight.
  • Perform all other related duties as assigned.

Requirements & Tech Stack

  • Education: High school diploma or General Education Degree (G.E.D.) required. Associate’s degree in a science recommended.
  • Experience: Zero years related experience.
  • Certification/Licensure: None.
  • Must be detail-oriented and have good verbal and written communication skills.
  • Must have intermediate computer skills and knowledge of Microsoft Office software.
  • Able to work on assignments that are semi-routine in nature in which ability to recognize deviation from accepted practice is required.
  • Able to receive and understand general instructions on routine work and detailed instructions on new assignments.
  • Must be authorized to work in the United States without a sponsor visa, now or in the future.

Physical Demands

  • Employees must be able to lift, move, manipulate, and/or hold heavy objects up to and including 50 pounds; this includes work materials, equipment, and/or supplies.
  • Must be able to perform procedures which require talking, hearing, standing, or sitting for long periods of time, entering data into a computer, using appropriate instruments, reaching with hands and arms, working in narrow spaces, and wearing safety equipment (PPE) according to OSHA regulations and company standards.
  • Must be able to frequently hold and manipulate work materials while utilizing fine motor skills.
  • Specific vision abilities required by this job include close vision, color vision, depth perception and the ability to adjust focus.

Work Environment

  • Works in a research environment, which requires use of sharp objects, working around mechanical parts, working with or near known or unknown toxic or caustic chemicals and/or biological hazards, exposure to fumes and airborne particles, working at noise levels ranging from moderate to loud.
  • The employee is occasionally exposed to live animals with risk of exposure to allergens, zoonotic disease, and biohazards.
  • The noise level in the work environment ranges from low to moderate depending upon the task being performed.
  • This position requires overtime, weekend, holiday, and/or after-hour shift coverage, as needed.

Compensation

  • The pay range for this position is $18/hour.

Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.

H-1B sponsor

Charles River Laboratories filed 4 entry-level H-1B applications for new hires (Oct 2025 - Jun 2026, Department of Labor). It may be cap-exempt (no lottery); ask the employer.

See their H-1B record →

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