Senior Hydrogeologist

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 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 2024. Learn more at . 

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 youll 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 youve always envisioned. Here youll find a welcoming workplace built on respect collaboration and communitywhere 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. 

Remote Work :

Yes

Employment Type :

Part-time