Junior Environmental Scientist
Confirmed on the employer's own hiring board on Oct 14, 2026. First seen by Alion on Sep 11, 2026. Onterris scores B on the Alion truth index.
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
A Junior Environmental Scientist participates as a member of an emergency response team to conduct environmental sampling and data collection. In performing such duties, a Junior Environmental Scientist will conduct research or perform investigations for the purpose of identifying, abating, or eliminating sources of pollutants or hazards that affect either the environment or the health of the population. Utilizing their knowledge of various scientific disciplines, they may collect, synthesize, study, report, and act based on data derived from measurements or observations of air, food, soil, water, and other sources. The successful candidate will apply scientific methodology for analysis of risk assessments and industrial hygiene applications to ensure the client’s expectations are met. All Junior Environmental Scientist’s shall maintain a response bag with company issued PPE and appropriate work clothing. This role is also subject to on-call rotation for emergency response and frequent, extended travel. The on-call rotation duties may extend to satellite offices as necessary. Travel on a moment’s notice may extend further than just the on-call rotation i.e. in the event a response requires more staffing support.
The compensation range for this role is $38,500 to $44,600 commensurate with experience, skills, and geographic location.
To thrive in this role, you’ll be comfortable taking ownership of the following responsibilities:
Immediate availability for extended travel and emergency response at client’s request
Maintain, calibrate and mobilize equipment appropriate for an emergency response
Gather and analyze samples from various sources of potential contamination
Perform monitoring and sampling activities according to the prescribed methods
Compile, review and summarize scientific/technical data and literature; and,
Completion of 40-hour HAZWOPER training in accordance with 29 CFR 1910.120 within first three weeks of hire date
Possession of DISA & TWIC clearances within 3 months of hire date
Completion of all designated safety requirements within first month of hire date; and
Perform other duties as assigned
Your Expertise and Skills
These requirements reflect the knowledge, skills and abilities that help you do your best work here.
Bachelor's degree in Biology, Environmental Engineering, Environmental, Health and Safety,
Industrial Hygiene, Chemistry, Chemical Engineering, Toxicology or other related science
1 to 3 years of experience in a related field may be substituted in lieu of a degree
Advanced computer skills in a Windows-based platform is a must
The ability to learn various software and complying with administrative duties (time sheets/expense reports)
Ability to work independently and with minimal supervision
Ability to respond in a timely manner to all communications from his/her supervisor
Ability to establish and maintain effective working relationships within a matrix reporting structure
Ability to understand and follow written and verbal directions
Possess strong verbal and written communication skills in the English language
Ability to complete HAZWOPER certification
Ability to obtain and maintain DISA clearance
Ability to obtain TWIC clearance
Current driver’s license
Ability to obtain a passport
Completion of all job specific OSHA training
Ability to comply with all job specific OSHA requirements, including the wear of a respirator
Possess excellent problem-solving and analytical skills with careful attention to detail being critical
Possess a high degree of personal initiative and responsibility for work assigned
Ability to understand and follow written and verbal directions
Demonstrate excellent verbal and written communication skills in the English language; and,
Ability to work overtime and on weekends
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 to 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
Frequent, unscheduled travel for extended periods of time
Ability to drive noncommercial vehicles
Rarely may work shifts of up to 24 hours in duration
Dress out in physically demanding personal protective equipment (PPE) for site Junior at HAZWOPER 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 hose supplied respirator with medical clearance as required under 29CFR 1910.134
Wear partially or totally encapsulating personal protective equipment
Works in an office environment when not deployed on an emergency response
Often works 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
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, extended travel
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.