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Hydrologist

Department of Commerce
National Oceanic and Atmospheric Administration
National Weather Service (NWS)
This job announcement has closed

Summary

This position is part of the National Weather Service, Weather Forecast Office (WFO) with vacancies in each listed location. The WFO's hydrologic functions are to mitigate loss of life and property caused by floods and drought, and ensure data is available to emergency management partners, River Forecast Centers, and private sector hydrologists. The incumbent provides expert support to the assigned service area, issues river forecast products, flood warnings, and specialized tools to the public.

Overview

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Reviewing applications
Open & closing dates
08/19/2025 to 09/02/2025
Salary
$88,621 to - $154,906 per year
Pay scale & grade
GS 12 - 13
Locations
12 vacancies in the following locations:
Anchorage, AK
Phoenix, AZ
Tucson, AZ
Ruskin, FL
Remote job
No
Telework eligible
Yes—as determined by the agency policy.
Travel Required
Occasional travel - For approximately 15-25 percent of the time the incumbent is in travel status to conduct liaison activities and field trips in the designated support area.
Relocation expenses reimbursed
Yes—You may qualify for reimbursement of relocation expenses in accordance with agency policy.
Appointment type
Permanent
Work schedule
Full-time - Working on rotating shifts is routinely required with the WFO in operation 24 hours a day, seven days a week.
Service
Competitive
Promotion potential
13 - If you are selected for a position with further promotion potential, you may be non-competitively promoted if you perform successfully and if recommended by management.
Job family (Series)
Supervisory status
No
Security clearance
Not Required
Drug test
No
Position sensitivity and risk
Noncritical-Sensitive (NCS)/Moderate Risk
Trust determination process
Financial disclosure
No
Bargaining unit status
Yes
Announcement number
NWS-25-12785166-DHA
Control number
843742500

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Duties

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As a Hydrologist you will perform the following duties:

  • Provide technical and administrative oversight for the Weather Forecast Office (WFO) hydrologic service program(s) and service activities in a geographically and/or organizationally complex support area.
  • Develop and modify WFO hydrologic procedures, models, techniques, manuals, and dissemination plans to ensure optimal use of technologies and real-time data.
  • Initiate and maintain liaison activities and cooperative support operations with state emergency management and water resources officials located in one or more state capital areas and a geographically or organizationally diverse group of other offices inside and/or outside the National Weather Service (NWS).
  • Modify and enhance the operational hydrologic procedures and hydrologic training program for all WFO forecasters.

NOTE: The duties are at the full performance level of the GS-13; the GS-12 is the developmental leading to such performance.

Requirements

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Conditions of employment

Key Requirements:

  • Applicants must be U.S. Citizens.
  • This position requires a Moderate Risk Security Clearance.
  • Suitable for Federal employment, as determined by background investigation.
  • More requirements are listed under Qualifications and Additional Information.
  • Must be registered for Selective Service, if applicable (www.sss.gov)
  • Qualification requirements must be met by closing date of the announcement.

Additional Considerations:

  • One year probationary period may be required.
  • Payment of relocation expenses (PCS) may be authorized.
  • This position is in the bargaining unit. This position is covered by NWSEO.
  • Background investigation will be required. Continued employment is subject to applicant's successful completion of security investigation and favorable adjudication. Failure to successfully meet these requirements will be grounds for termination.
*Note: A one year probationary period will be required under the Direct Hire Authority unless you are a current Department of Commerce (including NOAA) employee and are in the same line of work and with no more than a 30 day break in service.

As a condition of employment for accepting this position, for those required to serve a 1-year probationary period, we will evaluate your fitness and whether your continued employment advances the public interest. In determining if your employment advances the public interest, we may consider:

  • Your performance and conduct;
  • Needs and interests of the agency;
  • Whether your continued employment would advance organizational goals of the agency or the Government; and
  • Whether your continued employment would advance the efficiency of then Federal service.

Upon completion of your probationary period your employment will be terminated unless you receive certification, in writing, that your continued employment advances the public interest.


Throughout the recruitment and hiring process we will be communicating with you via email; therefore, it is imperative that the email address you provide when applying for this vacancy remains active. Should your email address change, please notify the point of contact identified in the vacancy announcement as soon as possible so that we can update our system.

Qualifications

CONDITIONS OF EMPLOYMENT:

  • All operational forecasters at the WFO are required to work long arduous hours when hazardous conditions are expected or occurring. Such duty requires the ability to make quick and accurate decisions during extended periods of stressful activity.
  • Outdoor activity may be required during field trips, however no excessive physical demands are required.

Qualification requirements in the vacancy announcements are based on the U.S. Office of Personnel Management (OPM) Qualification Standards Handbook, which contains federal qualification standards. This handbook is available on the Office of Personnel Management's website located at: https://www.opm.gov/policy.

BASIC REQUIREMENTS: This position has a positive Education Requirement in addition to at least one year of Specialized Experience in order to be found minimally qualified. Transcripts must be submitted with your application package. You MUST meet the following requirements:

To qualify for the 1315 series:
EDUCATION:

A. Degree: 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. Calculus and physics, as described above, are requirements for all grade levels.

-OR-

B. Combination of education and experience: course work as shown in A above, plus appropriate experience or additional education.

-AND-

SPECIALIZED EXPERIENCE: Applicants must possess one year of specialized experience equivalent in difficulty and responsibility to the next lower grade level in the Federal Service. Specialized experience is experience that has equipped the applicant with the particular competencies/knowledge, skills and abilities to successfully perform the duties of the position. This experience need not have been in the federal government.

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). Volunteer work helps build critical competencies; knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.

To qualify at the GS-12 level:
SPECIALIZED EXPERIENCE: In addition to meeting the Basic Requirements above, applicants must also possess one full year (52 weeks) of specialized experience equivalent to the GS-11 in the Federal service. Specialized experience MUST include all of the following:

  • Utilizing models, techniques and procedures for hydro-meteorological forecasts; and
  • Representing an organization to stakeholders regarding hydrologic forecast and warning operations.


To qualify at the GS-13 level:
SPECIALIZED EXPERIENCE: In addition to meeting the Basic Requirements above, applicants must also possess one full year (52 weeks) of specialized experience equivalent to the GS-12 in the Federal service. Specialized experience MUST include all of the following:

  • Maintaining and updating hydro-meteorological models, techniques and procedures for hydrologic forecasts;
  • Analyzing hydrologic forecast and warning processes, procedures, and services to recommend operational improvement; and
  • Representing an organization to internal and external stakeholders regarding hydrologic forecast and warning operations.

Education

Substitution of education for specialized experience is not applicant to this vacancy.

Education completed in colleges or universities outside the United States may be used to meet the above requirements. You must provide acceptable documentation that the foreign education is comparable to that received in an accredited educational institution in the United States. For more information on how foreign education is evaluated, visit: OPM Foreign Education Evaluation.

Additional information

Any selections made under this notice will be processed as new appointments to the civil service. Therefore, Current Federal employees would be given new appointments to the civil service and may have to serve a new probationary period under CFR 315.802 (b).

ICTAP and CTAP Candidates: Eligible for selection priority if it is determined that the applicant is well qualified. Information about ICTAP eligibility is on OPM's Career Transition Resources website at: Employee Guide to Career Transition.

ICTAP applicants MUST submit the following documents:

  1. Copy of your RIF separation notice; notice of proposed removal for failure to relocate; notice of disability annuity termination; certification from your former agency that it cannot place you after your recovery from a compensable injury; or certification from the National Guard Bureau or Military Department that you are eligible for disability retirement;
  2. Copy of your SF-50 "Notification of Personnel Action" documenting your RIF separation, noting your positions, grade level, and duty location, and/or Agency certification of inability to place you through RPL, etc;
  3. Copy of your latest performance appraisal including your rating; and
  4. Any documentation from your agency that shows your current promotion potential.

CTAP applicants MUST submit the following documents:

  1. Copy of your specific RIF notice; notice of proposed removal for failure to relocate; a Certificate of Expected Separation (CES); or certification that you are in a surplus organization or occupation (this could be a position abolishment letter, a notice eligibility for discontinued service retirement, or similar notice).
  2. Copy of your SF-50 "Notification of Personnel Action", noting current position, grade level, and duty location;
  3. Copy of your latest performance appraisal including your rating; and
  4. Any documentation from your agency that shows your current promotion potential.

NOAA participates in e-Verify, an Internet-based system operated by the Department of Homeland Security (DHS) in partnership with the Social Security Administration (SSA) that enables participating employers to electronically verify the employment eligibility of their newly hired employees.

The Federal Government is an Equal Opportunity Employer. Candidates will not be hired based on their race, sex, color, religion, or national origin.

Candidates should be committed to improving the efficiency of the Federal government, passionate about the ideals of our American republic, and committed to upholding the rule of law and the United States Constitution.

How you will be evaluated

You will be evaluated for this job based on how well you meet the qualifications above.

We will review your resume and supporting documentation to determine if you meet the minimum qualifications for the position. Your qualifications will be evaluated based on your application materials (e.g., resume, supporting documents).

Additionally, a Job Knowledge Test will be used in order to assess technical and professional expertise directly relevant to the requirements of this announcement. This assessment measures the specialized knowledge and skills accumulated over time, which are critical for successful performance in this position. The assessment is Pass/Fail in format, and only applicants with a passing score will be referred to the hiring manager.

Clarification: The four essay questions are not required. If you do not wish to respond, you may type "I do not wish to respond." in the text box.

Veteran's Preference does not apply to direct hire recruitment procedures.

If referred, all relevant documents submitted with your application package will be forwarded to the hiring official for review.

To preview the announcement questionnaire, click here:https://apply.usastaffing.gov/ViewQuestionnaire/12785166

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