Full Time Human Lab Rat Jobs in Riverside, CA (NOW HIRING)

At Onterris, we build careers grounded in purpose,responsibilityand 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,interwovenand international. Our scientists, engineers, field teams,consultantsand professionals collaborate across disciplines and geographies, guiding industries and governments, ensuring that communities and environments thrive.

When you join us,you'renot just forging acareer,you'rejoining a movement. A movement for better thinking, smartersolutionsand lasting impact.

Together, we will advance our way of life and protect the integrity of our environment every step of the way.

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 prepping and handling samples, keeping records accurate, 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,commensuratewith experience, skills, and geographic location.

Department: Wet Chemistry

Schedule: Full-Time. Tuesday - Saturday, 7:30 AM - 4:00 PM

To thrive in this role in the Wet Chemistry Department,you'llbe comfortable taking ownership of the following responsibilities:

• Retrieve, receive, label, store, and dispose of samplesin accordance withSOPs, QA requirements, and safety procedures

• Perform basic sample preparation for soil, water, and air samples under supervision

• Prepare reagents and solutions following approved written procedures

• Perform gravimetric and titrimetric measurements as trained

• Assistwith filtration, aliquoting, weighing, and other defined preparation steps

• Maintain cleanliness and organization of laboratory work areas, glassware, and storage locations

• Restock consumables, chemicals, and supplies and notify supervisors of low inventory

• Support proper sample storage, refrigerator/freezer organization, and waste handling

• Wear required PPE at all times and report unsafe conditions or spills immediately

• 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

These requirements reflect the knowledge,skillsand abilities that help you do your best work here.

• High School diploma or equivalent required

• Ability to follow written procedures and instructions

• Basic understanding of laboratory safety practices

Preferred Skills

• 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

The physical and environmental requirements below reflectwhat'stypically needed to perform the essential functions of this role safely and effectively. We may provide reasonableaccommodationsto qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions.

• Works in a laboratory and/or office environment

• Sitting, standing, and walking

• Must be able to work in a stationary position for entire shift duration

• Lifting and moving up to 25 lbs independently and 50 lbs using assisted lifting equipment

• Must be comfortable working with strong acids and solvents

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Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit www.onterris.com.

We are an equal opportunity employer and encourage applications from people of all backgrounds. We acknowledge that these experiences and perspectives help to enrich our teams and contribute to our ongoing success. We are committed to providing access and reasonable accommodation in our employment for all applicants. For US residents, click here to learn more.