Laboratory Assistant - Waste Handler

About the role

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 The Lab Assistant (- Waste Handler) in our Orange, CA laboratory is responsible for the routine waste collection handling and disposal across a laboratory site of approximately 100-120 employees. This role supports safe and compliant operations by ensuring materials are managed properly from point of generation through to disposal and is 100% on site at the Orange Laboratory. This is a hands-on, task-focused role tha t follows established procedures and supports safe, compliant waste operations. The position works under directions and escalates non-routine situations as needed. The compensation for this position is $17.25. Schedule: To thrive in this role, you'll be comfortable taking ownership of the following responsibilities: Waste Handling, Disposal & Laboratory Support Perform routine collection of waste, i ncluding solvent and chemical waste streams from laboratory departments, and designated accumulation areas (not general refuse) Communicate and coordinate with lab personnel to ensure waste materials are properly prepared, identified, and ready for compliant pickup, and support tracking in LIMS Ensure materials are ready for pickup and support tracking of samples in LIMS Identify and correct improperly labeled, stored, or non-compliant hazardous waste containers, ensuring adherence to regulatory and internal EH&S requirements Transport waste safely to central storage areas following established safety and compliance procedures Ensure all waste containers are properly closed, labeled, and in good condition during prior to and during collection Support proper segregation of waste streams (e.g solvents, acidic/basic ) based on defined guidelines Perform routine waste treatment activities in accordance with established procedures ; identify unknown materials, isolate them and escalate to the appropriate team. Prepare waste containers for shipment and disposal, including container selection, labeling, and staging for vendor pickup Assist with waste consolidation activities following predefined processes, maintaining accurate waste inventory and tracking logs Monitor waste volumes and report capacity or storage concerns Maintain accurate documentation related to handling and disposal activities Maintain cleanliness and organization of waste storage areas Safety & Compliance Support Follow all OSHA, EPA, site-specific, local, and site hazardous waste procedures. Utilize appropriate PPE and 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. Scope of Role Site-specific role supporting laboratory operations. Responsible for execution of waste handling and treatment activities. Training will be provided; does not make regulatory, classification, or disposal determinations. Operates strictly within established procedures and instructions. Your Expertise and Skills These requirements reflect the knowledge, skills and abilities that help you do your best work here. Required Ability to follow detailed instructions and work safely in an environment with hazardous chemicals and solvent waste Strong attention to detail and organizational skills. Ability to perform physical tasks in a laboratory and industrial environment. Ability to wear a respirator and comply with respiratory protection program requirements. Training Provided On-the-job training will be provided on hazardous waste handling, laboratory safety procedures, regulatory requirements, and proper use of equipment Preferred Experience in laboratory, manufacturing, or waste handling environment. Familiarity with hazardous waste handling practices (RCRA awareness). Experience handling chemicals or regulated materials. Skills & Competencies Reliable and consistent in task execution. Strong attention to detail and procedural compliance. Good hazard awareness and safe work practices. Ability to work independently on routine routes. Communicates issues clearly and escalates appropriately. Physical & Work Environment Requirements The physical and environmental requirements below reflect what's typically needed to perform the essent

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