US citizens: Hydrologist

Fort Huachuca, AZ, US



About the Position: Serves as an authority on the environmental management program staff of the Directorate of Public Works with program responsibility for the implementation of environmental policies and programs that embrace a range of subjects directly or indirectly concerned with contamination of surface and ground water resources, public safety and welfare, and protection of the installation’s natural resources. Responsibilities include performance of technical and administrative duties in support of the US Army Garrison, Fort Huachuca (USAG-FH) Environmental Program and Natural and Cultural Resources Programs. The installation is located over a sole source aquifer which is used for drinking water by many military and civilian communities in the area. The installation is located closely adjacent to the San Pedro River National Conservation Area, and the natural resource issues are the subject of concern by local, state, and national environmentally-concerned organizations.


  • Interprets and implements new or revised policy directives or program materials from higher authority or regulatory agencies.
  • Makes presentations and responds to technical questions at public meetings.
  • Prepares replies to congressional and other queries pertaining to assigned projects.
  • Reviews highly technical research reports done by other agencies.
  • Coordinates projects, discusses design and specifications and plans of remediation, and monitors contracts which often involve technical disagreements.

Travel Required

Occasional travel – You may be expected to travel for this position.

Supervisory status



Conditions of Employment

  • Male applicants born after December 31, 1959, must complete a Pre-Employment Certification Statement for Selective Service Registration.
  • You will be required to provide proof of U.S. Citizenship.
  • Two year trial/probationary period may be required.
  • Appointment is subject to the completion of a favorable suitability or fitness determination, as determined by a background investigation.
  • Direct Deposit of Pay is Required.
  • This is a Career Program (CP) 18 position.
  • This position requires you to submit a Public Financial Disclosure Report (OGE 278) or a Confidential Financial Disclosure Report (OGE450) upon entry, and annually thereafter.
  • Must be able to obtain and/or maintain Secret Security Clearance.
  • Must be able to obtain and/or maintain a valid state Driver’s License.


Who May Apply: US Citizens

In order to qualify, you must meet both the basic education and experience requirements described below. Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community; student; social). You will receive credit for all qualifying experience, including volunteer experience. Your resume must clearly describe your relevant experience; if qualifying based on education, your transcripts will be required as part of your application. Additional information about transcripts is in this document.

Basic Education Requirement for Hydrologist (GS-1315):

A. Degree: Bachelor’s degree (or higher degree) in physical or natural science, or engineering that included at least 30 semester hours in any combination of courses in hydrology, the physical sciences, geophysics, chemistry, engineering science, soils, mathematics, aquatic biology, atmospheric science, meteorology, geology, oceanography, or the management or conservation of water resources. The course work must have included at least 6 semester hours in calculus (including both differential and integral calculus), and at least 6 semester hours in physics.


B. Combination of Education and Experience: Course work, as shown in A above, plus appropriate experience or additional education. Acceptable experience must have included performance of scientific functions related to the study of water resources, based on and requiring a professional knowledge of related sciences and the consistent application of basic scientific principles to the solution of theoretical and practical hydrologic problems. In the absence of water resource experience, professional scientific experience may be acceptable if such experience was preceded by appropriate education in hydrology or by professional hydrology experience.

In addition to meeting the basic requirement above, to qualify for this position you must also meet the qualification requirements listed below:

To qualify based on your experience, your resume must describe at least one year of experience which prepared you to do the work in this job. Specialized experience is defined as conducting hydrologic studies such as collecting data for groundwater, stream flow, water conservation projects, and rain/storm water projects as it relates to Industrial/Construction projects. This definition of specialized experience is typical of work performed at the next lower grade/level position in the federal service (GS-11).

You will be evaluated on the basis of your level of competency in the following areas:
  • Hydrology
  • Oral Communication
  • Strategic Thinking
  • Technical Competence


FOREIGN EDUCATION: If you are using education completed in foreign colleges or universities to meet the qualification requirements, you must show the education credentials have been evaluated by a private organization that specializes in interpretation of foreign education programs and such education has been deemed equivalent to that gained in an accredited U.S. education program; or full credit has been given for the courses at a U.S. accredited college or university. For further information, visit: