
Thermo Fisher Scientific
Field service engineer iii
Independently install, maintain, troubleshoot, and repair OES, XRF, and XRD instrumentation. Perform preventive maintenance, instrument calibration, and root cause analysis to enhance reliability.

Onterris
·5 days agoOnterris
·5 days agoLocation
remote, United States
Salary
$34k – $71k/yr
Commitment
Part Time
Level
Junior (<2 years)
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.
As a Junior Field Technician, you’ll support emergency response and natural disaster efforts involving environmental and hazardous materials incidents. This is a fast-paced, on-demand role requiring flexibility, quick decision-making, strong communication skills, and comfort working in high-pressure situations. You can set your availability, though workload may vary significantly throughout the year.
When available, the Operations team will mobilize you based on client needs and your qualification level, with opportunities for 24/7 on-call work after advanced training. Primary responsibilities include air monitoring, with additional support in areas such as environmental sampling, moisture mapping, and site safety. Accurate documentation using our in-house technology is essential.
This role offers nationwide travel, hands-on experience, and the opportunity to make a meaningful environmental impact while working with a dedicated, team-oriented organization committed to protecting the air, water, and soil we depend on.
Part Time
Flexible/Remote
$25.00 - $35.00 per hour.
$19.00 - $24.00 per hour.
$17.00 per hour or other applicable local minimum wage.
Potential extensive overtime opportunities at 1.5 or higher pay multipliers.
These requirements reflect the knowledge, skills and abilities that help you do your best work here.
The physical and environmental requirements below reflect what’s typically needed to perform the essential functions of this role safely and effectively. We may provide reasonable accommodations to qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions.
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 www.onterris.com.
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. For US residents, click here to learn more.

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Independently install, maintain, troubleshoot, and repair OES, XRF, and XRD instrumentation. Perform preventive maintenance, instrument calibration, and root cause analysis to enhance reliability.
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