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Posted: March 25, 2026 (2 days ago)

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Hydrologic Technician (Field Assistant)

Geological Survey

Department of the Interior

Fresh

Location

Salary

$19.52 - $25.37

per hour

Closes

April 8, 2026More DOI jobs →

Job Description

Summary

This job involves working outdoors in Hawaii as a field assistant for the U.S.

Geological Survey, collecting water and environmental data through observations, measurements, and sample gathering to support scientific studies on hydrology and related fields.

It's a hands-on role that requires spending time in the field using tools to record information accurately.

A good fit would be someone with practical experience in outdoor technical work, a basic science background, or relevant college education, who enjoys fieldwork and has attention to detail.

Key Requirements

  • At least 9 months of field survey party experience in making and recording geologic, hydrologic, biologic, or topographic observations
  • Or 3 years of sub-professional technical experience supporting field or laboratory investigations in physical or biological sciences
  • Or 3 years of college study (90 semester hours) plus 3 months of lab or field work experience
  • Ability to collect geologic, biological, or water samples for laboratory analysis
  • Proficiency in using surveying instruments and electronic or mechanical tools for field measurements
  • Skills in applying data collection techniques for scientific investigations
  • Submission of unofficial transcripts if qualifying based on education

Full Job Description

What General Information Do I Need To Know About This Position? Salary is dependent upon the agreed duty location of the position.

Locality pay tables can be found here: General Schedule COLA (Honolulu, Hawaii) - The selectee for this location will be entitled to a cost of living allowance of 8.64% in addition to the basic salary NOTE: First time hires to the Federal Government are typically hired at the Step 01.

Applicants must meet one of the following to qualify at the GG-05 level: Possess at least 9 months of field survey party experience.

Experience with a field survey party includes activity associated with making and recording geologic, hydrologic, biologic, or topographic field observations; collecting geologic, biological, or water samples for laboratory analysis; applying accepted data collection techniques and methods in the performance of field work in support of scientific investigations; and using a variety of surveying instruments and electronic or mechanical instrumentation in the making and recording of field measurements and observations designed to collect data for physical/ biological science investigations.

Only time actually spent in the field can be credited when qualifying individuals under the field party experience option. OR Possess at least 3 years sub-professional experience.

Sub-professional experience is defined as technical work performed in support of field or laboratory investigations relating to the biological sciences, physical sciences, or closely related disciplines which provided basic knowledge or skills in gathering, recording, and assembling scientific or engineering data; using scientific instruments to measure angles, degrees, weights, strengths, intensities, etc.; setting up and operating test apparatus, and manipulating quantitative data.

Experience may include assisting professional employees with such duties as calibrating and operating measuring instruments mixing solutions, making chemical analyses, setting up and operating test apparatus, and compiling and processing scientific data.

Experience as a laboratory mechanic or in a trade or craft may be credited as experience when the work was performed in close association with physical or biological scientists or other technical personnel and provided a good working knowledge of appropriate scientific principles, methods, and techniques.

Note: Professional work experience in the physical and biological sciences may be credited in lieu of or in conjunction with sub-professional experience as defined above.

OR Possess at least 3 years college study (equivalent 90 semester hours/135 quarter hours) plus 3 months of lab or field work experience.

Please note that if qualifying based on education; unofficial transcripts MUST be submitted as part of the application in order to receive consideration.

Definitions of Experience: Field Survey Party - Experience with a field survey party includes activity associated with making and recording geologic, hydrologic, biologic, or topographic field observations; collecting geologic, biological, or water samples for laboratory analysis; applying accepted data collection techniques and methods in the performance of field work in support of scientific investigations; and using a variety of surveying instruments and electronic or mechanical instrumentation in the making and recording of field measurements and observations designed to collect data for physical/ biological science investigations.

Only time actually spent in the field can be credited when qualifying individuals under the field party experience option.

Sub-professional Experience - Sub-professional experience is defined as technical work performed in support of field or laboratory investigations relating to the biological sciences, physical sciences, or closely related disciplines which provided basic knowledge or skills in gathering, recording, and assembling scientific or engineering data; using scientific instruments to measure angles, degrees, weights, strengths, intensities, etc.; setting up and operating test apparatus, and manipulating quantitative data.

Experience may include assisting professional employees with such duties as calibrating and operating measuring instruments mixing solutions, making chemical analyses, setting up and operating test apparatus, and compiling and processing scientific data.

Experience as a laboratory mechanic or in a trade or craft may be credited as experience when the work was performed in close association with physical or biological scientists or other technical personnel and provided a good working knowledge of appropriate scientific principles, methods, and techniques.

Professional Experience - Professional work experience in the physical and biological sciences may be credited in lieu of or in conjunction with sub-professional experience as defined above.

Please note that if qualifying based on education; unofficial transcripts MUST be submitted as part of the application in order to receive consideration.

You must meet all qualification and eligibility requirements for the position by the closing date of the announcement. Major Duties:

Duration of Appointment: This is a temporary excepted service position not-to-exceed 1 year but may be extended without further competition. Employment may not exceed 1,039 hours in a service year.

All qualified applicants with or without Federal status may apply and be considered. Appointment to this position, however, will not convey permanent status in the Federal service.

Duties: As a Hydrologic Technician (Field Assistant) within the North West Pacific Islands Region, some of your specific duties will include: Collecting surface-water, ground-water, and quality water data from gaging stations, wells, or water quality monitoring stations.

Assessing site locations and field equipment. Performing laboratory analysis of water samples to determine specified sediment, chemical, or biological concentrations or physical characteristics.

Operating a government motor vehicle as an incidental driver.

Physical Demands: The work requires some physical exertion such as: long periods of standing; walking over rough, uneven, or rocky surfaces; recurring bending, crouching, stooping, stretching, reaching, or similar activity; or recurring lifting of moderately heavy items weighing less than 23 kilograms (under 50 pounds) such as lifting and carrying stream gauging weights, data collection and monitoring devices, or sample trays.

Work Environment: The work is performed outdoors, and involves moderate or sometimes extreme exposure to the discomforts of rain, cold/hot weather, and rapidly running or icy streams rivers.

Special safety precautions are required in many cases, and the employee typically wears life jackets, special safety boots, waders, and reflective rain gear.

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Posted on USAJOBS: 3/25/2026 | Added to FreshGovJobs: 3/25/2026

Source: USAJOBS | ID: USGS-DEN-26-12914362-DE-OOA