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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

$21.76 - $28.29

per hour

Closes

April 8, 2026More DOI jobs →

Job Description

Summary

This job involves working outdoors in Flagstaff, Arizona, as a field assistant for the U.S.

Geological Survey, where you'll collect water data from rivers, wells, and monitoring sites, assess equipment, and perform basic lab tests on samples.

It's a temporary role lasting up to a year, ideal for someone with hands-on experience in fieldwork who enjoys physical outdoor tasks and has a background in science or technical support.

Good fits include recent college grads with some lab or field exposure or those with prior experience in environmental data collection.

Key Requirements

  • 1 year and 9 months of field party experience in geologic, hydrologic, or related observations
  • OR 4 years of sub-professional technical experience in physical or biological sciences
  • OR 4 years of college (120 semester hours) plus 3 months of lab or field work experience
  • Ability to perform strenuous physical tasks, including climbing, working in slippery or rocky terrain
  • Skills in using surveying instruments, electronic/mechanical tools, and data collection methods
  • Proficiency in collecting and analyzing water samples for sediment, chemical, or biological properties
  • Valid driver's license for operating government vehicles (incidental driving)

Full Job Description

What General Information Do I Need To Know About This Position?

Salary: $21.76 hourly (Step 01) to $28.29 hourly (Step 10); 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-06 level: Possess 1 year 9 months of field party experience. OR Possess 4 years sub-professional experience.

OR Possess 4 years college study (equivalent 120 semester hours/180 quarter hours) plus 3 months of lab or field work experience 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.

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

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

Operates a government motor vehicle as an incidental driver.

Physical Demands: The work regularly requires considerable dexterity, agility, and strenuous physical exertion such as that needed to: climb, or work from, tall ladders or scaffolding; work in areas where footing is treacherous such as on slippery river banks, in steep or rocky terrain, and in fast-moving water; lift heavy objects weighing 23 kilograms (over 50 pounds) or more; crouch or crawl in constricted areas; and defend oneself or others against physical attack.

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-RES-26-12916714-FA-AW