Fresh Listing

Posted: January 29, 2026 (2 days ago)

This job was posted recently. Fresh listings typically have less competition.

Hydrologic Technician (Field Assistant)

Geological Survey

Department of the Interior

Fresh

Salary

$21.51 - $27.96

per hour

Closes

February 4, 2026

Job Description

Summary

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

Geological Survey, collecting water-related data, taking measurements, and gathering samples to support scientific studies on hydrology.

You'll spend time in the field using tools to record observations and assist with investigations in areas like geology or biology.

It's a good fit for someone with hands-on experience in outdoor technical work or basic science studies who enjoys fieldwork and doesn't mind physical tasks in varying weather.

Key Requirements

  • 9 months of field party experience in making and recording geologic, hydrologic, or topographic observations
  • 3 years of sub-professional experience in technical support for biological or physical science investigations
  • 3 years of college study (90 semester hours) plus 3 months of lab or field work experience
  • Skills in collecting geologic, biological, or water samples for laboratory analysis
  • Proficiency in using surveying instruments and electronic or mechanical tools for field measurements
  • Ability to apply data collection techniques in support of scientific investigations
  • Experience gathering, recording, and assembling scientific or engineering data

Full Job Description

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

Salary: $21.51 hourly (Step 01) to $27.96 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-05 level: Possess 9 months of field party experience.

Field party experience includes activities associated with making and recording geologic, hydrologic, 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 geologic physical science investigations.

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

OR Possess 3 years college study (equivalent 90 semester hours/135 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.

Resume Length: Resumes must not exceed two single-sided pages and resumes longer than two pages will not be accepted. The minimum font size is 10-point for all body text.

Headers may be slightly larger but must remain legible. All resumes must maintain a minimum 0.5-inch margins on all sides to ensure readability and prevent excessive content compression.

Including supplemental pages or attachments disguised as resume extensions are prohibited and will not be reviewed to determine your eligibility/qualifications. 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 within the MD-DE-DC Water Science Center, some of your specific duties will include: Collects surface-water, ground-water, and quality-water data from gaging stations, wells, or QW monitoring stations.

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: Work regularly requires considerable dexterity, agility, and strenuous physical exertion such as the 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 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.

If selected, you will be required to complete a pre-employment physical.

Check your resume before applying to catch common mistakes

Browse Similar Jobs

Posted on USAJOBS: 1/29/2026 | Added to FreshGovJobs: 1/29/2026

Source: USAJOBS | ID: USGS-RES-26-12871282-FA-KF