Environmental Geologist I

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.
With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.
AECOM is actively seeking an experienced geologist for employment in the Washington, D.C region to provide technical and management support for a variety of environmental projects (i.e., Remedial Investigations and Site Assessments) primarily within the Federal sector. Under the direction of Project Managers and senior technical staff, the candidate will perform the following as part of a multi-disciplinary project team:
Manage tasks as part of larger projects.
Assist in planning and leading complex field investigation programs involving drilling, borehole logging, well installation, groundwater monitoring, and subsequent remedial activities.
Provide technical direction and safety oversight to a team of multi-disciplinary AECOM scientists on large field investigations.
Provide technical direction and safety oversight of drilling subcontractors while logging soil/rock cores and directing monitoring well construction.
Apply standard field practices and techniques using basic field equipment to collect samples of soil, groundwater, surface water, sediment; prepare samples for shipping, and complete chain-of-custody or similar paperwork.
Write technical planning documents and reports with the support of more junior staff.
Assist project manager with proposal writing and cost estimating.
Work with procurement staff to hire subcontractors and manage implementation of their services.
Interact with federal and private clients. Attend site visits and planning meetings.
Assist with planning and implementation of remedial actions.
The ideal candidate comes with similar industry experience that has given them the ability to work independently, with discipline, to steer critical tasks towards the overall project objectives. The candidate must be equally able to work in a collaborative team-environment, effectively lead junior staff and foster team building through respect, inclusion, and mentorship. Flexibility to work on a wide variety of projects, communicate clearly, a positive attitude, and commitment to workplace health and safety are imperative. Bachelor’s degree in Geology or related science
~2+ years of post-graduation relevant experience in environmental consulting (i.e., Remedial Investigations and Site Assessments) for Federal, State, or private clients. Due to the nature of the work, US citizenship is required. Qualified candidates must be comfortable with nationwide travel. Field work will be required, including oversight of AECOM staff and subcontractors.

More than 4 years experience with Remedial/Site investigation, remediation planning, or design.
Experience working on projects focusing on per- and polyfluoroalkyl substances (PFAS).
Desire and ability to travel periodically for week(s)-long regional project assignments and occasional meetings.
Anticipated division of job-related tasks is about a 50/50 percent split between field and office work.
Safety-focused individual with experience in implementation of safety plans; leading safety kick-off calls, daily “tailgate” safety briefings, and comfortable performing subcontractor safety oversight.
Ability to work outside year-round completing field investigations while performing physically demanding work in various climates across the US.
Excellent skills in written and spoken communication (including polished client presentation skills), organization, time management, and an individual who thrives in a team-oriented environment.
Experience using Microsoft Office (Excel, Access, Word, PowerPoint) and preparing technical reports.
Field experience overseeing industry-standard drilling and monitoring well installation methods. Experience with CERCLA RI/FS, RCRA, and RD/RA projects with commercial or DoD clients.
Experience performing environmental investigations at DoD facilities.
Certificates – OSHA 40hr HAZWOPER Training and current refresher certificates.
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.
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.
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. 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.
Business Line: Environment
Strategic Business Unit: West
Career Area: Science