Laboratory Analyst I - Air Dept

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. A Day in the Life As an Analyst I based in our Anaheim, CA laboratory, you’ll play a key role in bringing analytical data to life. From preparing samples to operating advanced instrumentation, your work helps ensure high-quality, reliable results that meet rigorous standards. You’ll collaborate with a strong team of committed professionals, contribute to meaningful scientific work, and grow your expertise in a dynamic, quality-driven environment. Start at the source of insight. Generate high-quality data, run instruments, and execute methods with care—delivering accurate, compliant results and a strong first review every time. An Analyst I executes routine to moderately complex analyses, performs primary data review, and conducts troubleshooting under guidance while collaborating across teams to maintain quality and throughput. You will be working with a group of 8-10 others in direct support of laboratory operations but often independently with various tasks. Your tasks will revolve around the daily sample load, incoming projects, and the needs of the department. This includes inspecting, prepping, and screening client samples and ensuring this information is well documented and communicated. The primary technologies you’ll be working with include GC, GC-MS, vacuum systems, flow controllers and pressurization equipment. The compensation range for this role is $23 to $30, commensurate with experience, skills, and geographic location. Department: Air Schedule: Tues - Sat, 11am - 7:30 PM Responsibilities Prepare standards, calibrate, load and operate GC/GC-MS under supervision Monitor backlog and consumables Sample Screening; Batch Samples, Load and verify sequences Conduct primary data review Maintain LIMS/logbooks; follow Good Lab Practices Create CARs when required and support corrective actions Perform basic troubleshooting, maintenance and confirming instrument readiness Maintenance of small equipment Perform MDLs and proficiency testing under guidance; participate in SOP reviews Interface with QA, Sample Receiving, Project Managers and Service Center Managers Assist with method development Comply with Onterris Quality Assurance Program and other policies Comply with Onterris Health and Safety Plan Stay current with Workday Learning trainings Changing Gas cylinders Intermediate LIMS User Housekeeping Annual SOP review Basic Instrument Knowledge - theory/principle Identify process improvement opportunities Other duties as assigned by the Group Leader or Lab Director Your Expertise and Skills To perform this job successfully, individuals must be able to perform each duty and responsibility satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the duties and responsibilities. Associate's Degree or Bachelor's degree in a Chemistry, Environmental Science, Physical Sciences, or a related technical field preferred Minimum 3-5 years of experience performing analytical testing in an environmental laboratory required Equivalent combination of education, technical training, and relevant laboratory experience will be considered Experience with air testing methodologies, sample preparation, instrumentation, data review, troubleshooting, and quality systems is strongly preferred Candidates demonstrating advanced technical technical competency, independent problem solving abilities, and a proven record of analytical production in an environmental laboratory may be considered in lieu of formal educational requirements Strong MS Office Skills and familiarity with LIMS Strong organization, attention to detail and teamwork Comfort working with compressed gases and cryogenic liquids Primary data review competency and routing instrument operation Basic troubleshooting and preventive maintenance under guidance Preferred Skills Previous experience with EPA, ASTM and SCAQMD methodologies Ability to handle multiple task simultaneously Able to work in a fast-paced environment Work Environment and Physical Requirements Works in an office and/or laboratory environment Must have ability to lift up to 35 lbs routinely and to lift/manipulate smaller weight items throughout the day Must have the ability to stand and move about for approximately 80% of the shift Ability to operate computers and standard lab/office equipment May require weekends, holidays, and overtime Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect. Guided by our mission to advance the way of life without compromising the integrity of our environment, we believe environmental responsibility and human progress are fundamentally connected. Our scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients’ resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. For more information, visit 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. At Onterris, we take on complex challenges with purpose and momentum, alongside teams that lead with integrity, deliver together, and invest in your growth.

• Working with inspiring coworkers and clients across the globe over the past five years has been incredibly rewarding. Their passion motivates me to improve our client experience and work that I deliver.” - Erin Peck, Emissions Services
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