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Senior Hydrogeologist

Job in Portland, Multnomah County, Oregon, 97204, USA
Listing for: AECOM
Part Time position
Listed on 2025-12-30
Job specializations:
  • Engineering
    Geology / Geoscience, Environmental Engineer
Job Description & How to Apply Below

Company Description

Work with Us. Change the World.

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.

There has never been a better time to be h 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.

We’re one global team driven by our common purpose to deliver a better world. Join us.

Job Description

AECOM is actively seeking a talented and experienced Senior Hydrogeologist to provide technical oversight and strategy on complex site investigation and remediation projects. The successful candidate will oversee hydrogeologic-related activities on projects, manage and direct professional and technical staff, mentor junior staff, and collaborate with project teams and clients on technical and regulatory strategy. Familiarity with Oregon and Washington environmental regulations is strongly preferred.

Responsibilities/requirements

of this position include:
  • Manages and directs professional and technical staff to complete complex environmental projects.

  • Leads team by utilizing advanced scientific principles, theories, practices existing technologies and past experience to develop technical solutions to complex problems.

  • Requires general familiarity within a broad field of scientific knowledge of reciprocal effects of the work upon other disciplines/fields.

  • Interprets and records data, conducts analyses, compares findings to relevant studies and local, state and federal regulations to ensure compliance.

  • Develops solutions which are highly innovative. Assignments are often self-initiated.

  • Oversees the preparation of technical documents and organizes project studies.

  • Performs complex assignments often requiring the development of unique solutions to problems with the support of the project team.

  • Supervises junior and mid-level staff during all phases of hydrogeologic-related project work.

  • Proven experience successfully managing high-profile, complex projects.

  • Thorough working knowledge of RCRA, CERCLA, and MTCA.

Qualifications

Minimum Requirements
  • BA/BS in Hydrogeology, Geology or related field with 10 years of relevant experience or demonstrated equivalency of experience and/or education.

  • Must be able to pass a background check and motor vehicle records check. May require enrollment in the medical monitoring program requiring initial and annual physicals.

  • Due to the nature of the work U.S. Citizenship is required.

Preferred Qualifications
  • Experience with cost allocation projects involving multiple parties on complex sites.

  • MS in Hydrogeology, Geology or related field is preferred

  • Prefer a minimum of 15 years of experience in a prominent role on hydrogeologic projects.

  • Expertise in fractured media, complex hydrogeology, groundwater flow modeling, and modeling of fate and transport of contaminant plumes in the vadose and saturated zones.

  • Ability to develop conceptual site models for complex sites across multiple media.

  • Experience with vapor intrusion assessment and remedial design.

  • Superior communications, writing, editing, and reporting skills, for a wide variety of audiences.

  • Experience preparing proposals, cost estimates, and schedules.

  • Must understand and have led teams of professionals in executing Site Investigations, Remedial Investigations, Feasibility Studies, Risk Assessment, and Treatability Studies in support of Federal or State environmental projects.

Additional Information
  • The salary numbers presented in this job ad are calculated based on 20 hour per week for the role.
  • This role is designated as part time.
About AECOM

AECOM is proud to offer comprehensive benefits to meet…

Position Requirements
10+ Years work experience
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