Laboratory Technician - Hazardous Waste

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 to ensure that communities and environments thrive.

When you join us, you’re not just forging a career, you’re joining a movement—one that values better thinking, smarter solutions, and lasting impact. Together, we advance our way of life while protecting the integrity of our environment every step of the way.

The Hazardous Waste Lab Technician in our Orange, CA laboratory is responsible for the routine collection, handling, disposal, and preparation of hazardous waste across a laboratory site of approximately 100–120 employees. This role supports regulatory compliance by ensuring waste is properly managed from point of generation through consolidation and disposal.

This is a hands‑on, task‑focused role that executes established procedures and supports safe, compliant waste operations. The position does not make independent waste determinations and escalates non‑routine situations as needed. The role is required to be 100% onsite at the Orange, CA laboratory.

Compensation: $18 – 23 per hour.

Schedule:

Mon – Fri; 9 – 5:30 PM.

• Collect hazardous waste from laboratory departments and satellite accumulation areas.
• Transport waste to central accumulation areas following established procedures.
• Verify containers are properly closed, labeled, and in good condition.
• Ensure proper segregation based on predefined compatibility and classification guidelines.
• Maintain cleanliness and organization of waste storage areas.
• Prepare waste containers for shipment, including selection, labeling, and staging.
• Perform routine waste treatment activities, such as neutralizing waste streams, in accordance with established procedures and EHS direction.
• Assist with waste consolidation activities following predefined processes.
• Support scheduling and coordination of waste pickups.
• Maintain accurate documentation related to waste handling and disposal activities.
• Routinely visit laboratory areas to collect waste and samples ready for disposal, identify improperly stored or unlabeled containers, and ensure compliance with basic accumulation requirements.
• Communicate with lab personnel to facilitate proper waste readiness for pickup.
• Coordinate with departments to determine sample life cycles and dispose of samples as appropriate.
• Use LIMS to identify potentially hazardous properties in samples as they are scanned for disposal.
• Identify unusual, unknown, or incompatible waste materials during collection or handling activities.
• Segregate and hold non‑standard materials without processing.
• Escalate non‑routine waste situations to the EHS for evaluation and direction.
• Support implementation of guidance once waste determinations are made.
• Maintain waste inventory and tracking logs.
• Monitor waste volumes and report capacity or storage concerns.
• Use appropriate PPE and adhere to safe handling practices at all times.
• Participate in required safety programs including respiratory protection (medical clearance, fit testing, and training).
• Support readiness of waste areas for inspections and audits.

• Site‑specific role supporting laboratory operations.
• Responsible for execution of hazardous waste handling and treatment activities only.
• Does not make regulatory, classification, or disposal determinations.
• Operates strictly within established procedures and instructions.

• All hazardous waste handling, treatment, and disposal activities are performed under the technical direction and guidance of EHS, including waste segregation, neutralization, and handling procedures.

• High school diploma or equivalent.
• Ability to follow detailed procedures and work safely with hazardous materials.
• Strong attention to detail and organizational skills.
• Ability to…