Geological Survey Logo
Position Title
Hydrologist
Agency
Geological Survey
Announcement Number
USGS-DEN-24-12503723-DE-KTA Opens in new window
Open Period
Wednesday, August 28, 2024 to Thursday, September 12, 2024
For preview purposes only. To apply, please return to the USAJOBS announcement and click the Apply button.
Eligibilities
1. Do you claim Veterans’ Preference? (limit characters)
Please mark "YES" to all eligibility options below for which you wish to be considered. We can only verify eligibility options for which you claim and provide proper documentation. Please see the "Required Documents" section of the announcement for specific requirements. (limit characters)
2. Are you a current Department of the Interior employee who meets the definition of surplus or displaced from a position in the competitive service that makes you eligible under the Career Transition Assistance Plan (CTAP)?  If yes, please confirm that you meet all the following eligibility requirements:
  • This position is in the same local commuting area as the position of record from which you will be separated; and
  • This position is at a grade level no higher than the grade of the position of record from which you will be separated; and
  • This position has no greater promotion potential than the position of record from which you will be separated; and
  • You have a current performance rating of record of at least fully successful or the equivalent; and
  • You have not yet been separated. 
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3. Are you a current or former employee of a Federal agency (other than the Department of the Interior) who meets the definition of displaced from a position in the competitive service that makes you eligible under the Interagency Career Transition Assistance Plan (ICTAP)?  If yes, please confirm that you meet all the following eligibility requirements:
  • This position is in the same local commuting area as the position of record from which you were separated; and
  • This position is at a grade level no higher than the grade of the position of record from which you were separated; and 
  • This position has no greater promotion potential than the position of record from which you were separated; and
  • Your last performance rating of record was at least fully successful or the equivalent; and
  • You were separated from your position of record less than one year ago.    
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Assessment 1
Please select the responses to the questions below that best describes your experience as it relates to this position. (limit characters)
1. Basic Requirements for GS-1315: Choose the one answer that best describes your education and experience as it pertains to the mandatory basic requirements for Hydrologist.
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2. GS-13: In addition to meeting the Basic Requirements, you must have professional experience. Select the response below that best describes your experience.
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3. Determine hydrologic data needs relative to the occurrence, sources, movement, quantity, and quality of ground and surface waters in a defined study area.
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4. Identify major water-quality problems in multi-county areas or regions of a state and propose, plan, and execute studies that describe, interpret, simulate, and predict the effect of natural and human-induced stresses on the hydrologic system.
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5. Lead projects involving complex scientific issues to describe and interpret hydrologic conditions focusing on the definition, analysis, forecasting, or hindcasting of both natural and human-induced influences on the hydrologic system.
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6. Determine the scope and objectives of intermediate and long-range programs to address water problems in a state, developing proposals for such programs that include fiscal estimates, staffing level, and other requirements.
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7. Provide leadership and training to students and temporary employees in field sampling/measurements, lab measurements, and data processing/data management activities.
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8. Apply extensive knowledge of aqueous chemistry concepts, principles, and practices to complex water-quality management issues.
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9. Apply knowledge of analytical and/or isotope chemistry techniques and methodologies to research problems.
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10. Conduct studies in isotope and active gas geochemistry with emphasis on geologic and hydrologic problems.
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11. Plan, develop, and conduct or supervise multi-disciplinary hydrologic studies that focus on the ground-water quality and/or geochemistry of watersheds.
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12. Design and conduct groundwater tracer tests to determine the reaction rates of chemical species.
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13. Collect ground water samples for geochemical analysis as related to understanding ground water flow systems.
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14. Train and oversee students and other researchers in field sampling and isotopic preparation and measurement techniques.
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15. Work in field settings obtaining water quality samples from surface- and/or groundwater.
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16. Work in field settings obtaining ground water environmental samples using established national protocols.
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17. Resolve data-quality problems associated with field sampling techniques and analytical methods through evaluation of sampling and analytical protocols to determine the sources of the problems.
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18. Use advanced GIS applications including gridding processes to map and present geologic and hydrologic data.
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19. Integrate knowledge of hydrologic principles with GIS technologies, digital modeling, or remote sensing for hydrologic resource assessment studies.
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20. Apply statistical, numerical, and process-based modeling methods to studies involving the analysis of ground and/or surface-water level data.
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21. Use programming languages (Python, Visual Basic, or other languages) to automate analyses of spatial data.
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22. Write and publish USGS reports or articles in professional, industrial, or scientific journals and give presentations at scientific conferences.
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23. Develop and implement innovative ways to communicate work results and the significance of these results to customers, other interested individuals and organizations, and the general public.
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24. Participate in national scientific societies and professional organizations.
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25. Provide expert advice to editors through the review of manuscripts submitted for publication to peer-reviewed scientific journals.
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26. Use written and oral communication skills to communicate effectively with scientists/researchers, partners, and the general public.
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Select “Yes” or “No” to the following question(s). (limit characters)
27. I certify, to the best of my knowledge that all the information in my application is true, and that I have truthfully and accurately represented my work experience, knowledge, skills, abilities and education. I understand that providing false or fraudulent information may be grounds for not hiring me or for firing me after I begin work. I also certify that I have read the entire vacancy announcement; that I have reviewed my answers to the eligibility questions for accuracy; and that I understand what supporting documentation, if any, is required for submission and when it's due.
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