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 Our air quality team is growing, and we are looking to add a project manager to our collaborative and forward-thinking office culture. The annual compensation range for this role is $110,000 to $125,000 commensurate with experience, skills, and geographic location. To thrive in this role, you’ll be comfortable taking ownership of the following responsibilities: New source review (“NSR”), non-attainment NSR and Prevention of Significant Deterioration (“PSD”) permitting and Title V permitting. Regulatory air dispersion modeling using the United States Environmental Protection Agency (“US EPA”) recommended models (e.g., AERMOD) Emission calculations and emissions inventory development Best available control technology (“BACT”) assessments Regulatory applicability analyses, to include state, local, and federal regulations Additional responsibilities for this role include: Responsible for the administrative and project management of a team of consultants. Quality control of personal work as well as projects being managed. Effective communication with both external and internal customers. Development and maintenance of trusting professional relationships with clients. Promote integrated air consulting services externally to clients. Your Expertise and Skills We are looking for new team members who demonstrate technical excellence, exceptional problem-solving abilities, and strong communication and interpersonal skills. These requirements reflect the knowledge, skills and abilities that help you do your best work here. B.S. or above from an accredited college or university in engineering or a related scientific discipline. Minimum 5 to 7 years of air quality consulting experience Experience as a Project Manager is highly preferred, with a strong emphasis on managing project timelines and budgets and ensuring successful project delivery. Proficiency with MS Office suite (e.g., Word / Excel /PowerPoint/ Outlook / SharePoint) and time/expense tracking software. Understanding of software and tools applicable to your project (e.g., AERMOD, SCREEN3, TRI-ME). Understanding of engineering concepts such as chemical processes and emissions control technologies. Advanced understanding of relevant regulations related to your tasks, projects, and client operations. Depth of technical competencies necessary to solve problems and scope new projects accurately and completely. Breadth of technical competencies necessary to work with multiple industries and/or multiple clients within a large industry. Ability to mentor and train team members. Analytical problem-solving skills. Effective time management. Effective written and verbal communication. Professionalism necessary to establish and maintain long-term working relationships with clients and co-workers. Ability to work independently and in a team environment, demonstrate organizational skills, and attention to detail. Exercise safe work practices by following all Onterris and client safety rules and regulations, including attendance at all required safety training programs. Participate in the company’s continuous improvement programs and support team efforts. This position can be fast-paced and demanding and will require motivated, flexible individuals to manage and work on multiple projects. Less than 25% travel. #LI-LK1 #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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