Chemist - Environmental Scientist; part time
Listed on 2026-07-27
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Science
Environmental Compliance & Protection, Research Scientist, Data Scientist
Part Time Environmental Scientist Chemist
Tetra Tech is adding a Part Time Environmental Scientist Chemist to our team based in Pittsburgh.
At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development.
Our work has improved more than 625 million lives around the world.
This is a part time (flexible hours) entry level position. Primary duty will be to act as data validation chemist, specializing in organic and/or inorganic analytical chemistry theory and methods, for CERCLA/RCRA type of environmental investigations. This position is in-office and local candidates will be given priority. US citizenship is required for this position due to the clients we serve. This specialist will prepare validation reports, review analytical laboratory data packages, and apply data qualifications in an analytical database.
Assist the validation manager and project managers on all aspects of environmental chemistry needed to support an environmental investigation (including data validation, analytical database tracking and support, data interpretation, laboratory and field analytical methods evaluation and selection, preparation of quality assurance project plans [data quality objectives], and data quality assessment). Responsibilities include data validation/data evaluation per EPA National Functional Guidelines and other EPA regional, state and client-specific data validation protocol.
Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.
EDUCATION and/or
EXPERIENCE:
• Bachelor's degree (BA or BS) from four-year college or university in Chemistry (or related science) required.
• One year experience in an analytical laboratory (commercial or research) performing inorganic/organic analyses highly preferred.
• Familiarity with computer systems and databases required (i.e., experienced in Windows applications [e.g., Word, Excel, Access]).
• Knowledge of EPA Functional guidelines for data validation a plus. Knowledge of EPA guidelines for preparation of quality assurance project plans, for identification of project data quality objectives, and for data quality assessment a plus.
• Basic comprehension of EPA RI/FS and RFI/CMS processes a plus. This position requires the candidate to be a U.S. Citizen due to the projects they will be working on.
LANGUAGE AND COMMUNICATION
SKILLS:
Ability to read and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals. Ability to write routine reports and correspondence. Ability to speak effectively before groups of customers or employees of organization. Ability to translate chemistry principles and language to convey an understanding of same to other technical and non-technical personnel.
MATHEMATICAL
SKILLS:
Ability to calculate figures and amounts such as stoichiometry, solubilities, equilibrium constants, standard deviations, electrode potentials, proportions, percentages, area, circumference, and volume. Ability to apply concepts of basic algebra, geometry, and chemistry.
PHYSICAL DEMANDS:
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with…
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