Hydrologic Technician (Field Assistant).

Announcement number USGS-DEN-26-12914362-DE-OOA

Date Open: March 25, 2025 Close: April 08, 2026

Position: Hydrologic Technician (Field Assistant)

Location: Few vacancies in the multiple locations:

Work Schedule: Multiple Schedules - Full time, Part time and Intermittent

Type of Appointment: Seasonal - Not to Exceed 1039 Hours in a Service Year.

Salary: $19.52 to - $25.37 per hour with applicable COLA adjustments

Series & Grade: GG-1316-05

Promotional Potential: Position does not have any further promotion potential; grade level is set at the grade selected. 

Supervisory Status: No

Who May Apply: United States Citizens

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.

Qualifications

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.