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 Entry-Level Hygienist (Junior Industrial Hygienist) at Onterris participates as a member of the Industrial Hygiene group. As a Junior Industrial Hygienist, you'll assist in performing industrial hygiene activities including qualitative and quantitative IH/safety surveys, air sampling/monitoring, and noise surveys. A Junior Industrial Hygienist also assists in performing indoor air surveys and assists other departments as needed. A Junior Industrial Hygienist would provide data management and evaluation support to Onterris project managers in the areas of industrial hygiene, toxicology, litigation support, risk assessment, disaster recovery, and emergency response. Utilizing your knowledge of various scientific disciplines, you may collect, study, report, and take actions based on data derived from your measurements or observations of air, soil, water, and other sources. To be a successful candidate, you'll need to demonstrate that you can apply scientific methodology for analysis of risk assessments and industrial hygiene applications to ensure the client's expectations are met. The position has many travel opportunities and has a flexible work environment when not on projects. All members of the Industrial Hygiene team assist other departments as needed and available, including responding to emergency projects. This position reports to an IH Project Manager or another upper-level manager. The compensation range for this role is $60,000 to $70,000, in addition to an annual bonus (5%), commensurate with experience, skills, and geographic location To thrive in this role, you'll be comfortable taking ownership of the following responsibilities: Learn the basic industrial hygiene concepts of anticipating, recognizing, evaluating, and controlling hazards to workers, the general public, and the environment Perform (with direct supervision) industrial hygiene activities, including, but not limited to, qualitative and quantitative IH/safety surveys, air sampling/monitoring, noise surveys, review/preparation of MSDS, indoor air quality surveys, and preparation/review of project

• or site-specific health and safety plans Assist (with guidance from a Project Manager [PM], or Senior IH) in the performance of industrial activities and environmental assessments Assist in providing data management and evaluation support, under the direction of senior staff, to PMs in toxicology, litigation, support, risk assessment, or emergency response Perform duties safely to minimize threats to self and others in work setting with potential chemical, physical, biological, and safety hazards Learn to compile, review, and summarize scientific/technical data and literature under supervision Support other service areas as assigned, under appropriate supervision Perform all duties according to the ethics of the IH profession Demonstrate a professional attitude toward clients, customers, and co-workers to reflect favorably on the company Remain ready and available for emergency response upon client request, with frequent, sometimes extended, travel Maintain compliance with the company's environmental, health, and safety policies and all applicable client, state, federal, and local environmental rules, policies and regulations; and Perform such other duties as assigned All job tasks and duties will be conducted under direct supervision Your Expertise and Skills These requirements reflect the knowledge, skills and abilities that help you do your best work here.

Bachelor's degree (preferred) in industrial hygiene or safety; or, Bachelor's degree in a related science field (chemistry, biology, physics, engineering, toxicology, etc.) and completion of an approved industrial hygiene course within one year of employment; or, Minimum of 3 years' experience in an Industrial Hygiene and safety-related position, and completion of an approved industrial hygiene course within one year of employment (required)

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certification

• Required (Can be obtained post hire) DISA clearance
• Required (Can be obtained post hire) TWIC clearance
• Required (Can be obtained post hire) Current driver's license
• Required Ability to obtain a passport
• Required Completion of all job specific OSHA training (Can be obtained post hire) Completion of all policies and procedures Ability to comply with all job specific OSHA requirements, including the wearing of a respirator Computer and data management skills in a Windows-based platform Multitasking and balance multiple priorities simultaneously Work in a fast-paced environment Work well alone and with a team Ability to travel Work Environment and Physical Requirements 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 for qualified individuals with disabilities, consistent with applicable law, to support performance of the essential functions. Sitting, standing, and walking Lifting up to 50 pounds several times a day Overhead lifting of over 20 pounds Bending, stooping, climbing ladders and crawling Long hours involving overtime and weekends as necessary Keyboarding/typing Ability to read effectively from a computer screen, sampling device and/or a paper copy Ability to handle a large volume of work and perform multiple tasks in a fast-paced environment Unscheduled travel for extended periods of time Dress out in physically demanding personal protective equipment (PPE) for site entry at

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sites as required under 29CFR 1910.120 Wear half-face and full-face air purifying respirator (APR) as well as supplied air respirators in the form of Self-Contained Breathing Apparatus (SCBA) and airline-supplied respirator with medical clearance as required under 29CFR 1910.134 Wear encapsulating personal protective equipment Flexible work environment (Remote, Office, and Project Location are the most common) May work outdoors and may be exposed to hot and cold environments and extreme weather conditions, including sunlit, rainy, and windy conditions May occasionally work shifts up to 24 hours in duration May encounter environments presenting physical hazards of uneven ground, standing water, ditches, dusty conditions, rapidly moving transportation and remediation equipment, and physical stress associated with the wear of personal protective equipment May work at altitudes greater than 5000 feet above sea level May work on land, sea, or air May work in a setting with potential physical and chemical hazards; and Frequent, travel duration varies based on each project #INDONT #LI-LK1 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