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On Call Hydrogeologist Jobs (NOW HIRING)

Rio Tinto

Engineer II

Boron, CA · On-site

$92K - $126K/yr

... and on-call duty during weekends and evening hours. About You To succeed in this role, you will have: * Minimum of a BS degree in Hydrogeology or a related field. * An in-depth knowledge of ...

SF Demo - Rio Tinto

Engineer II

Boron, CA

$92K - $126K/yr

... and on-call duty during weekends and evening hours. About You To succeed in this role, you will have: * Minimum of a BS degree in Hydrogeology or a related field. * An in-depth knowledge of ...

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How much do on call hydrogeologist jobs pay per year?

As of Aug 28, 2026, the average yearly pay for on call hydrogeologist in the United States is $80,686.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,500.00 and $87,000.00 per year, depending on experience, location, and employer.

What is an on call hydrogeologist?

On Call Hydrogeologists are professionals who study groundwater and its movement, availability, and quality, and are available to respond to urgent or project-based needs as they arise. They may be called upon to assist with environmental assessments, contamination investigations, water resource management, or emergency response situations related to groundwater. Their flexible availability is crucial for projects or incidents that require immediate hydrogeological expertise, such as spills, leaks, or natural disasters. On Call Hydrogeologists typically work for environmental consulting firms, government agencies, or private companies, providing specialized knowledge when needed.

What are some typical challenges faced by an on call hydrogeologist, and how can they prepare for these situations?

On Call Hydrogeologists often encounter unpredictable fieldwork conditions, such as emergency spills or sudden requests for site assessments, which require rapid mobilization and adaptability. They must be prepared to analyze groundwater data, communicate findings to clients or regulatory agencies, and ensure safety standards are met, often with limited information and time. Staying organized, keeping field kits ready, and maintaining current knowledge of local regulations can help manage the demands of this dynamic role.

What are the key skills and qualifications needed to thrive as an on call hydrogeologist, and why are they important?

To excel as an On Call Hydrogeologist, you need a solid background in geology, hydrology, and environmental science, typically supported by a relevant degree and field experience. Familiarity with groundwater modeling software, GIS tools, and data analysis systems, as well as certifications like Professional Geologist (PG) or Hydrogeologist (HG), is often required. Strong problem-solving, adaptability, and communication skills are essential for responding to urgent situations and collaborating with multidisciplinary teams. These abilities ensure accurate assessments and effective solutions for water resource management and environmental protection, especially in time-sensitive scenarios.

What is the difference between On Call Hydrogeologist vs Geoscientist?

AspectOn Call HydrogeologistGeoscientist
CredentialsBachelor's or Master's in Hydrogeology, Geology, or related field; licensure may be requiredBachelor's or Master's in Geology, Earth Science, or related field; licensure varies by specialization
Work EnvironmentFieldwork, consulting, environmental agencies, often on-call for emergenciesLaboratory, fieldwork, research institutions, consulting firms
Employer & IndustryEnvironmental consulting firms, government agencies, water resource companiesMining, oil & gas, environmental consulting, research institutions

While both roles require a background in earth sciences, an On Call Hydrogeologist specializes in groundwater issues and often works in field and emergency settings, whereas a Geoscientist has a broader focus on earth processes and may work in research or various industries. The on-call nature of the Hydrogeologist role emphasizes responsiveness to urgent groundwater concerns.

More about On Call Hydrogeologist jobs

What cities are hiring for On Call Hydrogeologist jobs?

Cities with the most On Call Hydrogeologist job openings:

What are the most commonly searched types of Hydrogeologist jobs?

The most popular types of Hydrogeologist jobs are:

What job categories do people searching On Call Hydrogeologist jobs look for?

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On Call Hydrogeologist jobs near you
Infographic showing various On Call Hydrogeologist job openings in the United States as of August 2026, with employment types broken down into 1% Locum Tenens, 1% As Needed, 79% Full Time, 13% Part Time, and 6% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $80,686 per year, or $38.8 per hour.

Carlin - Hydrologist / Hydrogeologist

Carlin, NV • On-site

Barrick Gold Corporation
Coal, Metals and Minerals Mining • 10K+ employees

7.8

Company rating: 7.8 out of 10

Based on 20 frontline employees who took The Breakroom Quiz

10th of 41 rated mining

People enjoy working here

Good employer

Paid breaks

Learn more about Barrick Gold Corporationexternal

$65K - $83K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 14 days ago

Job description


Position Description:
At Nevada Gold Mines, our vision is to be the world's most valued gold mining business by finding, developing, and operating the best assets with the best people.
We are looking for a Junior Hydrologist, Hydrogeologist, or Environmental Engineer to join the Environmental Team at the Carlin operation. This team is primarily responsible for maintaining environmental compliance by assessing and mitigating potential impacts from mining. Due to the extensive dewatering effort and reoccurring study work at the mine site, Carlin is seeking an individual to maintain compliance with environmental monitoring associated with dewatering activities and assist in management in reoccurring site characterization and study work.
At Nevada Gold Mines, we are committed to a safe work environment and sending every person home safe and healthy every day and leaving a sustainable legacy for our host communities.
We offer a comprehensive benefits package including a medical, dental, and vision plan with company-sponsored medical clinics, a 401k retirement plan with an employer match, paid time off, a company stock purchase program, and much more!
Responsibilities:
  • Collaborate with site, corporate, and consulting teams to identify and address potential surface and groundwater quantity and quality impacts due to mining activities
  • Ensure regulatory compliance is maintained for the following programs: Groundwater and Surface Water Monitoring Plans, Seeps & Springs Monitoring Plans, Water Pollution Control Permits, National Pollution Discharge Elevation Systems Permits and other associated water mitigation and monitoring plans, as assigned.
  • Assist in the interpretation and reporting of monitoring data and findings.
  • Assist in the management and development of reoccurring technical model updates and study work (i.e. Pit Lake Studies, Groundwater Model updates, etc.) including engagement with regulators and gaining regulatory approvals for required studies.
  • Conduct monitoring tasks (as necessary) using the site's established monitoring protocols and mitigation thresholds. This includes well water level monitoring, surface water flows, water quality sampling, and other monitoring criteria established in the mine's water monitoring programs.
  • Ability to manage projects, adhere to budgets, and direct contractor work.
  • Assess the effectiveness of water monitoring and mitigation measures.
  • Ensure accurate collection and reporting of data, in accordance with the mine's quality assurance/quality control standards.
  • Contribute to water management strategies.
  • Oversee data management and generate regulatory reports.
  • Comply with state and federal health and safety regulations, as well as company policies and procedures.
  • Responsible for periodic after-hours on-call response to environmental incidents, as needed.
  • Perform other duties as assigned.

Qualifications:
  • Bachelor's Degree in Hydrology, Hydrogeology, Geology, Geochemistry, Environmental Engineering, Chemical Engineering, Environmental Science or another related field required.
  • Three (3) to five (5) years of experience in hydrology, hydrogeology, geochemistry, engineering, and/or dewatering preferred.
  • One (1) to three (3) years direct experience in environmental compliance, including field sampling and monitoring preferred.
  • Experience with dewatering systems, hydrologic, hydrogeologic, geochemical principles, and hydrologic and geochemical modeling preferred.
  • Demonstrated ability to operate independently and in small multi-disciplinary teams required.
  • Experience with various surface and groundwater sampling and vegetation monitoring techniques preferred.
  • Familiarity with impacts of dewatering activities on groundwater and surface water/vegetation preferred.
  • Excellent computer skills (eg. MS Office, EQuIS, GIS or other data management/computer programs) required.
  • Excellent safety record with ability to demonstrate safety leadership required.
  • Willing and able to work in adverse weather conditions required.
  • Familiarity with compliance systems and ISO 14001 preferred.
  • This position requires the ability to regularly walk over uneven, sloped, rocky, wet or icy ground and the ability to lift 40 or more pounds consistently and safely.

What We Can Offer You
A comprehensive compensation package including a competitive medical, dental, and vision plan with national provider networks, a 401k retirement plan with employer contribution, paid time off, company-sponsored medical clinics, company match share purchase program, and much more!
Work in a dynamic, collaborative, progressive, and high-performing team.
Opportunities to grow and learn with the industry colleagues are endless.
Access to a variety of career opportunities across the organization.
Nevada Gold Mines is committed to creating a diverse environment and is proud to be an equal opportunity employer.
Thank you for your application, however, only those selected for an interview will be contacted.
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