Prep Chemist - LCMS Laboratory

About Us

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 Prep Chemist in our El Dorado Hills, CA Laboratory , you'll be responsible for preparing samples, support daily lab operations, and collaborate with experienced teammates to deliver safe, accurate, on-time results every day.

The compensation range for this role is $25.00 - $30.00 / hr , commensurate with experience, skills, and geographic location.

Department: LCMS

Schedule: Monday - Friday; Availability for flexible schedule/shift preferred

To thrive in this role, you'll be comfortable taking ownership of the following responsibilities:

• Preparation, extraction, and clean-up of various environmental sample matrices
• Perform sample preparation where needed (i.e. homogenization, etc.)
• Use of centrifuge, analytical balance, and various evaporative systems with organic solvents
• Dispose of laboratory waste in a safe manner following prescribed procedures
• Maintaining clean laboratory areas
• Maintaining organized records of sample preparation and analysis
• Assisting the Group Leaders and analysts in acquiring and inventorying consumables, chemicals, and parts for instrumentation
• Dispose of laboratory waste in a safe manner following prescribed procedures
• Comply with Onterris Quality Assurance Program and other policies
• Comply with Onterris Health and Safety Plan
• Other duties as assigned by the Group Leader or Lab Director

Your Expertise and Skills

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

• Bachelor's degree in the chemical, environmental, physical or biological sciences Skills

Preferred Skills

• Basic understanding of laboratory techniques
• Ability to function both independently and in a team environment
• Ability to follow all standard operating procedures
• Detail-oriented and desire to produce high quality work - Perform at a high level under strict time
• Prior Laboratory experience preferred but not required as this is an entry level position
• Knowledge of analytical method, analytical instruments, general lab practices and lab safety
• Good organizational skills and strong communication skills

Work Environment and Physical Requirements

The physical and environmental requirements below reflect what's typically needed to perform the essential functions of this role safely and effectively. We may provide reasonable accommodations to 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 have the ability to lift 50-60 pounds using Company provided equipment
• Must be able to remain in a stationary position for the duration of shift while performing frequent routine tasks.
• While performing the duties of this job, this position may require the individual to work rotating shifts assignments, weekends, holidays, and overtime as needed.

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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 .

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.