Entry Level Environmental Science Jobs in Portland, OR

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AECOM is currently seeking an Entry-Level Geologist for employment near Portland, OR. In this role, you will work under the guidance of Project Managers, geologists, engineers, and scientists to support environmental investigation, remediation, and monitoring projects at client facilities. The ideal candidate will have a strong academic background in geology, environmental science, or a related field, along with an interest in fieldwork, data collection, and environmental compliance. Typical projects include site investigations, groundwater monitoring, soil and groundwater remediation, environmental assessments, and construction support activities.

The responsibilities of this position include, but are not limited to:

• Conducting routine fieldwork, including groundwater, soil, surface water, sediment, and vapor sampling under the supervision of senior staff.
• Performing groundwater level measurements, field observations, and environmental data collection.
• Assisting with environmental site investigations, drilling programs, monitor well installation, and remedial system monitoring activities.
• Recording accurate field notes and preparing field documentation in accordance with project requirements.
• Assisting with environmental data management, quality assurance reviews, and interpretation of field and laboratory results.
• Supporting the preparation of technical reports, permit applications, work plans, and other project deliverables.
• Coordinating with project teams, subcontractors, laboratories, and regulatory agencies as directed.
• Assisting with construction observation and environmental compliance monitoring activities.
• Following established health and safety procedures and participating in project safety planning.
• Supporting project managers, geologists, and engineers on a variety of environmental investigation and remediation projects.

Minimum Requirements:

• Bachelor's degree in Geology, Environmental Science, Hydrogeology, Geosciences, or a related field or a demonstrated equivalency of education and experience.  
• Due to the nature of this role, U.S. citizenship is required.
• Valid driver's license and clean driving record.
• Ability to travel between project sites and perform fieldwork in varying weather and site conditions.
• Qualified applicants who are offered a position must pass a pre-employment substance abuse test.
• Ability to obtain site-specific clearances, including client-required background, medical, and drug screening requirements, if applicable.
• Ability to obtain Transportation Worker Identification Credential (TWIC) within 30 days of hire.
• Able to work outdoors on uneven terrain and in varying climate conditions, including heat, cold, dust, noise, and moisture.
• Frequently lifting, carrying, and loading field equipment such as compressed gas cylinders, sample coolers up to 50 pounds with or without assistance.  
• Willingness to travel and occasionally work extended hours to support field investigations and project schedules.

Preferred Qualifications:

• Internship, cooperative education, or field experience related to environmental consulting, geology, hydrogeology, or environmental science.
• Experience with environmental sampling techniques, including groundwater, soil, surface water, sediment, or vapor sampling.
• Familiarity with geologic logging, drilling oversight, and monitor well installation activities.
• Experience using GPS equipment, field data collection applications, and Microsoft Office software.
• Knowledge of state and federal environmental regulations.
• Strong technical writing, communication, and organizational skills.
• Current OSHA 40-Hour HAZWOPER training (preferred but not required).
• Working knowledge of GIS software, environmental databases, or environmental data management systems.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients' complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you'll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you've always envisioned. Here, you'll find a welcoming workplace built on respect, collaboration and community-where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.