Environmental Lab Technician I — 2nd Shift

Onterris; Orange (CA); On-site; USD 28,000 - 34,000; Full time

Job summary

Onterris in Orange, CA is seeking a Laboratory Technician I to support sample preparation, daily lab operations, and collaboration with experienced teammates. The role emphasizes safe, accurate, and timely results in a second shift from 2:00 pm to 10:30 pm.

Ideal candidates will have a High School diploma or equivalent and familiarity with lab safety, SOPs, and chemical handling. The position requires standing for long periods and lifting up to 50 lbs with assistance where needed.

Qualifications

• High School diploma or equivalent required.
• 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 weight limits.

Responsibilities

• 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 workspaces.
• 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.

Skills

Laboratory workflows

SOP adherence

Safety practices

Time management

Communication

Chemical handling

Education

High School diploma

Associate degree / science coursework preferred

Job description

Onterris in Orange, CA is seeking a Laboratory Technician I to support sample preparation, daily lab operations, and collaboration with experienced teammates. The role emphasizes safe, accurate, and timely results in a second shift from 2:00 pm to 10:30 pm.

Ideal candidates will have a High School diploma or equivalent and familiarity with lab safety, SOPs, and chemical handling. The position requires standing for long periods and lifting up to 50 lbs with assistance where needed.