Laboratory Technician - SVOA; 2nd Shift

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 a Laboratory Technician I in our Orange, CA Laboratory
, you’ll be responsible for preparing samples, supporting daily lab operations, and collaborating with experienced teammates—delivering safe, accurate, on-time results every day. The compensation range for this role is $18 to $23
, commensurate with experience, skills and geographic location.
Department: SVOA (Semi-Volatiles)
Schedule: Full‑time, Monday–Friday 2:00 pm–10:30 pm (2nd shift).

• Perform all Laboratory Assistant duties, including sample handling, organization, and general laboratory upkeep
• Retrieve, store, and dispose of samples in accordance with SOPs, chain of custody and hold‑time requirements
• Execute routine sample preparation for assigned SVOA methods under established SOPs
• Prepare reagents and solutions following approved procedures
• Perform gravimetric and titrimetric measurements as required
• Support daily batch preparation and completion to meet turnaround‑time expectations
• Perform waste handling, labeling and documentation in compliance with regulatory and internal requirements
• Maintain inventory awareness and notify senior staff of low or critical supplies
• Maintain clean, organized, and contamination‑controlled work spaces
• Complete temperature logs and routine laboratory documentation accurately
• Communicate workflow issues, delays or deviations to senior technicians, analysts or group leadership
• Comply with Onterris Quality Assurance Program and Health & Safety Plan
• All other duties as assigned

• High school diploma or equivalent required (associate degree or coursework in science preferred)
• Basic understanding of laboratory workflows and sample preparation concepts
• Ability to follow SOPs precisely and work methodically
• Familiarity with laboratory safety practices, PPE usage and waste handling
• Strong organizational and time‑management skills
• Clear verbal and written communication skills
• Comfortable working with chemicals, solvents and laboratory equipment
• Ability to stand for extended periods and lift up to required weight limits

• Prior laboratory or sample preparation experience (environmental preferred)
• Familiarity with semi‑volatile methods (8015/8080/8270) or environmental testing workflows
• Experience working in a regulated laboratory 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
• Works in an office and/or laboratory environment

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, to learn more.