Environmental Lab Tech I: Sample Prep & QC

LE002 Onterris Payroll, LLC; California; On-site; USD 28,000 - 34,000; Full time

Job summary

Onterris is seeking a Laboratory Technician I for our Orange, CA laboratory. You will prepare samples, support daily lab operations, and collaborate with experienced teammates to deliver safe, accurate, on-time results every day.

The role offers a full-time schedule (Tue–Sat, 7:00 am–3:30 pm) with a compensation range of $20.50 to $25 per hour, commensurate with experience. Strong SOP adherence, safety awareness and basic science knowledge are essential to succeed.

Qualifications

• High School diploma or equivalent required; Associate degree or science coursework 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.

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

Sample handling, organization

Follow SOPs precisely

Laboratory safety practices

Time-management

Verbal and written communication

Chemical handling

Stand for long periods, lift up to 25–

Education

High School diploma or equivalent

Associate degree or science coursework preferred

Tools

Semi-Volatile methods (8015/8080/8270)

Environmental testing workflows

Job description

Onterris is seeking a Laboratory Technician I for our Orange, CA laboratory. You will prepare samples, support daily lab operations, and collaborate with experienced teammates to deliver safe, accurate, on-time results every day.

The role offers a full-time schedule (Tue–Sat, 7:00 am–3:30 pm) with a compensation range of $20.50 to $25 per hour, commensurate with experience. Strong SOP adherence, safety awareness and basic science knowledge are essential to succeed.