Environmental Laboratory - Intern

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.

As an Intern at our Denver, CO Laboratory, you’ll be responsible for assisting multiple projects where you will have increasing interaction with our multi‑disciplinary staff. You will be part of a strong team of committed professionals.

The compensation range for this role is $19.30, commensurate with experience, skills, and geographic location.

• Preparing samples for digestion or extraction as needed. Tasks can include but not limited to: sample login, weighing, making composites, crushing samples, incremental sampling, product sampling, sample disposal
• Calibrating/packing equipment for use in‑field or in‑lab
• Washing glassware
• Preparing reagents as needed
• Conducting simple water quality assays
• Data entry
• Perform support tasks as needed

• High School Diploma
• Currently enrolled in a local University
• Basic laboratory techniques (knowledge of PPE, use of balance, pipetting, glassware handling, etc)
• Basic Excel skills required
• Ability to follow directions and work in a team setting
• Comfortable working with strong acids and solvents
• Excellent communication skills required
• Detail oriented
• Prior laboratory experience preferred but not required as this is an intern position
• Knowledge of analytical method, analytical instruments, general lab practices and lab safety
• Ability to work independently and in a team
• Good organizational skills and strong communication skills
• Able to work in a stationary position for entire shift duration
• Able to lift and move up to 25 lbs independently and 50 lbs using assisted lifting equipment

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 U.S. residents,  to learn more.