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Assistant Hydrogeologist Jobs (NOW HIRING)

Weston & Sampson

Senior Hydrogeologist

Rocky Hill, CT · Hybrid

Weston & Sampson is seeking a Senior Hydrogeologist with 15+ years of experience to assist with project management and business development. We are looking for an experienced hydrogeologist with a ...

Arcadis

Principal Hydrogeologist

Seattle, WA

$78K - $99K/yr

The position requires a strong background in quantitative hydrogeology (i.e., mathematical interpretation hydrogeologic systems) to assist with a variety of groundwater remediation and water ...

Haley & Aldrich

Staff Hydrogeologist 2

Seattle, WA · On-site

$80K - $90K/yr

Draft technical sections of project communications and reports. * Assist with the development of ... Bachelor's degree in Hydrogeology or related field. * 2+ years of related experience. * Proficient ...

Barr

Hydrogeologist - Senior Level (Hybrid)

Duluth, MN · Hybrid

Responsibilities may include working individually or as a part of a project team to assist with ... Technical knowledge: apply advanced hydrogeology and geoscience expertise to design, oversee, and ...

Arcadis

Principal Hydrogeologist

Seattle, WA · On-site

$78K - $99K/yr

The position requires a strong background in quantitative hydrogeology (i.e., mathematical interpretation hydrogeologic systems) to assist with a variety of groundwater remediation and water ...

Haley & Aldrich, Inc

Staff Hydrogeologist 2

Bedford, NH · On-site

$67K - $85K/yr

Draft technical sections of project communications and reports. * Assist with the development of ... Bachelor's degree in Hydrogeology or related field. * 2+ years of related experience. * Proficient ...

Haley & Aldrich

Staff Hydrogeologist 2

Bedford, NH · On-site

$67K - $85K/yr

Draft technical sections of project communications and reports. * Assist with the development of ... Bachelor's degree in Hydrogeology or related field. * 2+ years of related experience. * Proficient ...

Brown and Caldwell

Geologist/Hydrogeologist

Chicago, IL · On-site

The Geologist/Hydrogeologist role is tasked with basic foundational work in the fields of geology ... Responsibilities * Assist in field investigations, including water and soil sampling. * Assist with ...

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Assistant Hydrogeologist information

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How much do assistant hydrogeologist jobs pay per hour?

As of Jul 2, 2026, the average hourly pay for assistant hydrogeologist in the United States is $27.22, according to ZipRecruiter salary data. Most workers in this role earn between $17.31 and $34.86 per hour, depending on experience, location, and employer.

What are the typical responsibilities and collaboration opportunities for an Assistant Hydrogeologist within a project team?

As an Assistant Hydrogeologist, you will often support senior hydrogeologists and environmental scientists by conducting fieldwork such as groundwater sampling, well installation, and data collection. Your daily tasks may also include analyzing hydrogeological data, preparing reports, and using modeling software under supervision. Collaboration is key in this role, as you’ll work closely with engineers, geologists, and regulatory agencies to ensure projects meet environmental and safety standards. This environment offers excellent learning opportunities and helps you build a strong foundation for advancing to more senior positions.

What is the difference between Assistant Hydrogeologist vs Hydrogeologist?

AspectAssistant HydrogeologistHydrogeologist
Required CredentialsBachelor's degree in geology, hydrogeology, or related field; some certificationsBachelor's or master's degree; professional licensure or certification often preferred
Work EnvironmentFieldwork, data collection, assisting senior staffFieldwork, data analysis, project management, client interaction
Employer & Industry UsageEntry-level roles in environmental consulting, government agencies, water resource companiesMid-level to senior roles in similar sectors, often with more project responsibility

The main difference between an Assistant Hydrogeologist and a Hydrogeologist lies in experience and responsibilities. An Assistant Hydrogeologist typically supports senior staff with data collection and fieldwork, while a Hydrogeologist takes on more independent analysis, project management, and client interaction. Both roles require similar educational backgrounds, but the Hydrogeologist usually has more experience and possibly licensure, enabling greater responsibility in projects.

What are Assistant Hydrogeologists?

Assistant Hydrogeologists are entry-level professionals who support senior hydrogeologists in studying the distribution, movement, and quality of groundwater. They assist with fieldwork, data collection, analysis, and report preparation related to water resources and environmental projects. Their work is essential for understanding groundwater systems, managing water supplies, and addressing environmental concerns such as contamination or drought. Assistant Hydrogeologists often work for consulting firms, government agencies, or environmental organizations, and their role provides valuable hands-on experience in the field of hydrogeology.

What are the key skills and qualifications needed to thrive as an Assistant Hydrogeologist, and why are they important?

To thrive as an Assistant Hydrogeologist, you need a solid background in geology or environmental science, typically with a relevant bachelor's degree, and foundational knowledge of hydrogeological principles. Familiarity with groundwater modeling software (e.g., MODFLOW), GIS tools, and data collection instruments is often required. Strong analytical thinking, attention to detail, and effective communication are vital soft skills for fieldwork and reporting findings. These competencies ensure accurate data analysis, effective project support, and compliance with environmental regulations in water resource management.
More about Assistant Hydrogeologist jobs
What cities are hiring for Assistant Hydrogeologist jobs? Cities with the most Assistant Hydrogeologist job openings:
What are the most commonly searched types of Hydrogeologist jobs? The most popular types of Hydrogeologist jobs are:
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What job categories do people searching Assistant Hydrogeologist jobs look for? The top searched job categories for Assistant Hydrogeologist jobs are:
Assistant Hydrogeologist jobs near you
Infographic showing various Assistant Hydrogeologist job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 95% Full Time, 1% Temporary, and 3% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $56,617 per year, or $27.2 per hour.

Senior Hydrogeologist

Weston & Sampson Engineers Inc

Suffern, NY • On-site

$125K - $170K/yr

Full-time

Posted 13 days ago

Job description

Weston & Sampson is seeking a Senior Hydrogeologist with 15+ years of experience to assist with project management and business development. We are looking for an experienced hydrogeologist with a strong work ethic who would like to be part of a growing team. This position will be out of our Rocky Hill, CT or Suffern, New York office locations.


What you’ll do:

  • Design and implement field data collection activities
  • Data analyses and technical report creation
  • Preparation of water-resource permit applications
  • Project costing and support of client engagement activities and proposal preparation
  • Coordination of subcontractors and vendors (e.g. drilling contractors and laboratory services)
  • Support business development and marketing efforts

What you will bring:

  • Bachelor’s degree in geology, hydrogeology or water resources related field (M.S. preferred).
  • 15 or more years of experience.
  • Experience with hydrogeological, well design, and groundwater-supply evaluations. Numerical groundwater modeling, wastewater discharge modeling evaluation and permitting a plus.
  • Experience with CTDEEP water diversion and NYSDEC water withdrawal projects and associated permitting requirements is preferred.
  • Ability to manage projects from start to finish.
  • Marketing, proposal development and client management experience are a must.
  • Experience conducting technical reviews of project deliverables.
  • A positive attitude, ability to communicate effectively with others, work within a team setting, and excellent writing skills are a must.

#LI-Hybrid


Overview:

At Weston & Sampson, you’ll work alongside more than 1,000 employee-owners who are passionate about improving our communities. From providing clean water to designing resilient infrastructure and sustainable environments, our work has a direct impact on quality of life. We’re looking for curious, driven professionals who want to contribute to innovative, impactful projects and grow with a team that supports them.

We are a 100% employee-owned, interdisciplinary firm offering design, engineering, and environmental services. Since our founding in 1899, we have worked to build a collaborative, forward-thinking environment grounded in respect for each other’s ideas.

We offer:

  • Meaningful work: Contribute to projects that protect and enhance the natural and built environments 
  • Ownership mindset: As an employee-owner, your work directly contributes to our shared success 
  • Growth opportunities: Build your career through mentorship, diverse projects, and clear advancement pathways
  • Flexible workplace: Work in a way that supports your life and not the other way around 
  • Strong culture: Join a team that values collaboration, inclusion, and recognition 

Our Commitment to Inclusion, Diversity, Equity & Access (IDEA)

We believe diverse perspectives make us stronger. Weston & Sampson is committed to fostering a culture of belonging where all employees feel valued, respected, and empowered. We actively support IDEA principles across our organization and in our daily work.

Ready to transform your environment? Let’s work together. 

Explore opportunities and apply: https://www.westonandsampson.com/careers

A note to third-party recruiters: Weston & Sampson manages all recruiting directly. We do not accept unsolicited resumes without a signed agreement in place. Any unsolicited submissions will be considered property of Weston & Sampson, and we are not responsible for associated fees.