Laboratory Assistant - Metals

Onterris Payroll•Orange, CA

5d•Onsite

About The Position

At Onterris, we build careers grounded in purpose, responsibility and real-world impact. “For Planet and Progress” is our north star that guides everything we do. We believe environmental responsibility and human progress are interconnected, interwoven and international. Our scientists, engineers, field teams, consultants and professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive. When you join us, you’re not just forging a career, you’re joining a movement. A movement for better thinking, smarter solutions and lasting impact. Together, we will advance our way of life and protect the integrity of our environment every step of the way. A Day in the Life As a Full-Time Laboratory Assistant based in our Orange, CA Laboratory , you’ll step into the lab where every detail matters. You'll play a key role in supporting the Metals Department by assisting with disposal, cleaning glassware, handling samples, maintaining equipment, and maintaining a clean laboratory to support on-time results everyday. You’ll collaborate with a strong team of committed professionals, contribute to meaningful scientific work, and grow your expertise in a dynamic, quality-driven environment. The compensation range for this role is $17.25 to $20 per hour , commensurate with experience, skills, and geographic location.

Requirements

High School diploma or equivalent required
Ability to follow written procedures and instructions
Basic understanding of laboratory safety practices
Strong communication and teamwork

Nice To Haves

Prior laboratory, sample-handling, or wet chemistry experience
Strong attention to detail and organizational skills
Ability to work effectively under supervision in a team-based environment
Willingness to learn laboratory procedures and workflows

Responsibilities

Pick up, check in/out, retrieve, return, and organize samples; assist with sample weighing
Maintain clean and organized workstations, counters, floors, and glassware
Dispose of samples, instrument waste, and satellite waste safely
Monitor, receive, label, and store supplies; notify when inventory is low
Perform routine equipment maintenance and calibration (hot blocks, pipettes, balances, pH/turbidity meters, etc.)
Handle and replace gas cylinders safely
Perform pH and turbidity checks
Handling the pre-treatment and accurately weigh samples for laboratory analysis
Use LIMS for daily tasks and maintain logbooks
Follow all safety, PPE, and QA requirements
Stay current with required QA
Communicate and coordinate with QA, Safety members, Sample Receiving, and Group Leader
Comply with Onterris Quality Assurance Program and other policies
Comply with Onterris Health and Safety Plan
Other duties as assigned by the Group Leader, Operations Manager, or Lab Director