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On Call Hydrogeologist Jobs (NOW HIRING)

Travel to mine sites and work with drill crews to install specialty geotechnical and hydrogeology ... Work on-call shifts. * Communicate with clients and geologic drillers to educate on procedures and ...

Technician

Tucson, AZ · On-site

$25 - $30/hr

Travel to mine sites and work with drill crews to install specialty geotechnical and hydrogeology ... Work on-call shifts. * Communicate with clients and geologic drillers to educate on procedures and ...

Technician

Tucson, AZ · On-site

$25 - $30/hr

Travel to mine sites and work with drill crews to install specialty geotechnical and hydrogeology ... Work on-call shifts. * Communicate with clients and geologic drillers to educate on procedures and ...

Showing results 21-36

On Call Hydrogeologist information

See salary details

$53.5K

$80.7K

$122.5K

How much do on call hydrogeologist jobs pay per year?

As of Aug 17, 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?

The top searched job categories for On Call Hydrogeologist jobs are:

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, 78% Full Time, 14% 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.

Archaeological Field Technician (On-Call)

Kleinfelder Inc

Chico, CA • On-site

$21.09 - $35.22/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 22 days ago


Kleinfelder rating

7.7

Company rating: 7.7 out of 10

Based on 19 frontline employees who took The Breakroom Quiz

263rd of 449 rated engineering


Job description

 

Take Your Environmental Career to the Next Level 

Kleinfelder, a Forbes' Top Employer for Engineers in North America, is committed to a people-first culture, technical excellence, and creating opportunities where employees can thrive!

Are you ready to be challenged, make a difference, and experience professional growth in your career? Kleinfelder's Environmental team is looking for you! From environmental planning, permitting, remediation, and site characterization to chemical data management and hydrogeology, Kleinfelder offers a variety of services designed to provide technically appropriate and cost-effective solutions. 

Step into Your New Role

Kleinfelder is seeking qualified field staff for archaeological surveys and monitoring in various locations of NorCal to work on a flex basis. These positions are "remote" meaning you can align to our Chico, CA office.  You do have to be local to the NorCal area to complete the assigned field work.  In these positions, prior experience monitoring around heavy equipment and conducting cultural surveys is preferred. Candidates must be willing to work independently and feel comfortable directing construction crews in the field.  

 

Requirements and Qualifications

  • BA or higher in Anthropology, Archaeology or closely related field.
  • The ability to independently identify prehistoric and historic-era cultural resources in the field.
  • 0 - 3 years of progressive experience participating in cultural resources field projects in California with a minimum of 2 being ideal.
  • Excellent interpersonal communication and attention to detail.
  • Strong writing skills and clarity in notetaking.
  • Experience with MS Office.
  • Ability to communicate efficiently and respond quickly while working in the field.
  • Experience working on state and federal lands.
  • Experience working alongside Native American monitors in the field.
  • The ability to stand for long periods of time and hike long distances in rugged conditions.
  • Familiarity with digital field technology (GPS, total station, iPad etc.) and GIS applications and software. Previous experience using Collector a plus.
  • Previous experience preparing Department of Parks and Recreation (DPR) 523 forms, monitoring logs, and survey report forms a plus.
  • Ability to work both independently and with a team
  • A California driver's license is required
  • Must have a satisfactory driving record and complete a background check
  • Candidates who reside in the North Bay are preferred 

Following an offer, candidates will be required to satisfactorily complete employment reference checks, verification of professional licensure and/or educational credentials, a motor vehicle report (MVR), and a comprehensive background check.

Move Forward with Kleinfelder:Kleinfelder and its’ subsidiaries and affiliates, has been connecting great people to the best work since 1961. We are engineers, scientists, and construction professionals providing solutions that improve our clients’ transportation, water, energy, and other private infrastructure. As a responsive, cross-disciplinary team of bright, curious, and innovative problem-solvers, we are dedicated to doing the right thing, every day, on every project from over 110 offices in the US, Canada, and Australia.Connecting great people to the best work is our purpose – together, we deliver. 

Progress with an Employer that Values You 

Kleinfelder, and its’ subsidiaries and affiliates, is an inclusive organization free from discrimination. We are a stronger organization when we are a diverse workforce and believe that through diversity, equity, and inclusion comes creativity, innovation, and unity. We are proud to offer the following: 

Benefits:Kleinfelder, and its’ subsidiaries and affiliates, offers an excellent compensation and benefits package, including: medical, dental, vision, life insurance, 401(k) plan, and paid holidays. The expected salary range for the position is displayed in accordance with the California Pay Transparency Law. Final agreed upon compensation is based upon individual qualifications and experience. Hourly Range:$21.09 - $35.22.

Career Development:We are committed to investing in the professional development of our staff, offering each employee every opportunity to grow, develop, and take control of their career paths. We support these efforts through reimbursements for continuing education as well as many of the expenses associated with trainings and certifications, and opportunities for career development through our internal Mentoring Program. 

Equal Opportunity:Kleinfelder, and its’ subsidiaries and affiliates, is an Equal Opportunity Employer – Minorities/Women/Disabled/Veterans. (Compliant with the new VEVRAA and Section 503 rules) 

NOTICE TO THIRD PARTY AGENCIES 

Please note that Kleinfelder, and its’ subsidiaries and affiliates, does not accept unsolicited resumes from recruiters or employment agencies. In the absence of a signed Recruitment Fee Agreement, Kleinfelder, and its’ subsidiaries and affiliates, will not consider or agree to payment for any referral compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement, Kleinfelder, and its’ subsidiaries and affiliates, explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency. Any unsolicited resume, including those submitted to hiring managers, are deemed to be the property of Kleinfelder. 

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