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 a Senior Ambient Air Client Project Manager, you’ll be responsible for managing all technical, field, financial, and administrative aspects of ambient air monitoring projects. The Project Manager is expected to exercise sound professional judgment and function with minimal direct supervision. The compensation range for this role is $85k - $110k per annum. Commensurate with experience, skills, and geographic location. To thrive in this role, you’ll be comfortable taking ownership of the following responsibilities: Operate and maintain ambient air quality monitoring sensors Write and/or assist in the submittal of monitoring reports Coordinate all aspects of client projects, including, but not limited to, method research, equipment procurement and rental, travel arrangements, logistics, SOP generation and implementation, and regulatory agency interaction and coordination Establish, oversee, and manage project deadlines, in addition to effectively communicating updates to clients and team members Supervise and direct Field Technicians in routine tasks; provide technical support to diagnose and resolve problems Maintain excellent client relationships through effective communication and customer service skills Your Expertise and Skills These requirements reflect the knowledge, skills and abilities that help you do your best work here. Bachelors in science or higher, with an emphasis in biology, chemistry, math, or engineering strongly preferred Effective computer skills (Excel and Microsoft Office are essential) and proficiency with Android OS Minimum 8+ years of experience conducting ambient projects in the field Willingness to travel 20% of the time, some weekend travel required Experience managing client relationships and overseeing client projects, including budgeting and managing project costs Work Environment and Physical Requirements Ability to walk and/or stand while handling/carrying various technical equipment for extended periods of time Flexibility to work weekends and after hours if necessary Comfortable occasionally working at heights in a safe manner Ability to lift 50lbs unassisted Comfortable working outside in all-weather elements Ability to climb ladders and stairs Ability to pass pre-employment drug screen and background check #INDONT 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. 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 “There are not many places where a toxicologist can be boots-on-the-ground at an environmental emergency one day and deep in a human health risk assessment or litigation the next, but this company is one of them, and honestly, that breadth is what makes me love the work. We are a team of scientists with a broad range of talents and experiences who genuinely take the mission to heart, because protecting people and communities from chemical hazards is not abstract here; it is exactly why we show up every day. The culture reflects that shared commitment in the best way: collaborative, rigorous, and truly motivated by the impact we make together.” - Andre Richardson, Consulting “I knew my position here would be more than just a job. Every day is a new, exciting challenge to solve, and I get to go home knowing that the work I am doing is having a positive impact on the world.” - J Esteves, R&D

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