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TEXAS WATER DEVELOPMENT BOARD
TWDB - 26-115: Coastal Hydrologist (Hydrologist II
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What they do
A Hydrologist studies water, including underground water and water from ground sources like lakes and streams, and researches various aspects of the water cycle. Collects data used to plan conservation efforts and manage water supply. May advise on groundwater contamination risks or planning for flood management.
$89,921 / year median in Texas
+10% projected growth
Job Description
More Like This
Between $4,801.17 and
$6,750.67
Per Month
Position range in Travis County $4,240.00•$6,337.00 Per Month TWDB•26-115: Coastal Hydrologist (Hydrologist II
TEXAS
Find out why the TWDB is a great place to work.
Make a positive difference for the state of Texas. We encourage you to apply for positions that match your qualifications.
The Texas Water Development Board (TWDB) offers a competitive compensation and benefits package including medical, dental, vision, 401(k), flexible spending, and flexible work alternatives so you can have a work/life balance! For more information about these benefits and more visit: http://www.twdb.texas.gov/jobs/benefits.asp.
Please visit
Additional Military Crosswalk information can be accessed at https://hr.sao.texas.gov/Compensation/MilitaryCrosswalk/MOSC_NaturalResources.pdfGENERAL DESCRIPTIONThe Coastal Hydrologist primarily serves to develop, maintain, and apply hydrologic and hydraulic models of inland and coastal watersheds to inform environmental flow studies, drought science, and water resources planning, and oil spill response, with only occasional assistance on topics related to flood science and planning. Performs highly complex (senior-level) hydrologic and hydraulic data analysis and modeling work in support of environmental flow analyses, drought or flood science, water resources planning, and oil spill response, with only occasional assistance on topics related to flood science and planning. Work involves developing and applying hydrologic and hydraulic models and advancing program activities in estimating rainfall-runoff and streamflow but also may support studies of geomorphology and sediment transport. Assists in the planning, execution, and summary of scientific studies, including assistance with field data collection. Serves as a liaison at public meetings. Provides technical support to stakeholders and scientific committees and communicates analyses and results to general and technical audiences. May provide leadership in technical areas. May train others. Works under limited supervision with considerable latitude for the use of initiative and independent judgment. Reports to the Manager of the Coastal Science Department.
Supports Oil Spill Prevention and Response by developing, testing, and implementing near-real time estimates of modeled streamflow from ungauged watersheds to advance oil spill trajectory modeling.
Plans and executes scientific studies to improve the representation of key hydrological components in modeling and analyses.
Investigates and pursues new approaches to determine sediment transport and geomorphic conditions in Texas waters.
Writes, executes, and maintains the Python, Linux, and ArcGIS programs and scripts.
Writes, reviews, and evaluates technical memos, reports, work process, and policy documents.
Provides presentations and informational material to technical and non-technical audiences. Assists with field studies, including planning, on-site work, equipment installation, data acquisition, and data management.
Serves as liaison and provides technical support and information to stakeholder groups, scientific committees, and customers.
Seeks and supports opportunities to collaborate with academia, consulting firms, federal and state agencies, and other stakeholders to improve coastal hydrology datasets.
Coordinates with data scientists and analysts within the division to integrate modeled data and visualizations into Water for Texas Data.
Writes, reviews, and evaluates technical memos, reports, work processes, and policy documents. Coordinates with internal and external partners to develop and implement modeling studies and analyses. Plans and participates in field studies, including planning, on site work, equipment installation, data acquisition, and data management. Serves as liaison and provides data, models, information, and technical support to stakeholder groups, scientific committees, and customers. Serves as contract manager for modelin
WATER DEVELOPMENT BOARD
Occupation:
HydrologistsLocation:
Austin, TX•78711Job Type:
Regular, Full Time (30 Hours or More), Permanent Employment, Day ShiftPosted:
08/18/2026 Positions available: 1Source:
WorkInTexasWeb Site:
WorkInTexas Onsite /Remote:
Selection RequiredUpdated:
08/18/2026Expires:
08/31/2026Agency Job ID:
100831 Job #: 17057171 Job Requirements and Properties Help for Job Requirements and Properties. Work Onsite Full Time Schedule Full Time Job Type Regular Duration Permanent Employment Shift Day Shift Help for . Please paste the following URL into a browser to view the entire job posting on the CAPPS Careers page.https:
//erphcmprd.cpa.texas.gov/psp/candidateportal/EMPLOYEE/HRMS/c/HRS_HRAM_FL.HRS_CG_SEARCH_FL.GBL?Page=HRS_APP_JBPST_FL&Action=U&FOCUS=Applicant&SiteId=1&JobOpeningId=100831&PostingSeq=1 •Must meet agency in-office requirements•Salary commensurate with experience and qualifications•TEXAS WATER DEVELOPMENT BOARD'S
MISSIONLeading the state's efforts in ensuring a secure water future for Texas.WORKING AT THE
TWDBSee why our work makes an impact!Find out why the TWDB is a great place to work.
Make a positive difference for the state of Texas. We encourage you to apply for positions that match your qualifications.
The Texas Water Development Board (TWDB) offers a competitive compensation and benefits package including medical, dental, vision, 401(k), flexible spending, and flexible work alternatives so you can have a work/life balance! For more information about these benefits and more visit: http://www.twdb.texas.gov/jobs/benefits.asp.
Please visit
TWDB Career Page:
http://www.twdb.texas.gov/jobs/ for more information.MILITARY EMPLOYMENT
PREFERENCEVeterans, Reservists or Guardsmen with an MOS or additional duties that fall in the fields of 15WX Weather and Environmental Science, 8831 Environmental Engineering Management Officer, 9S100 Scientific Applications Specialist, or other related fields pertaining to the minimum experience requirements may meet the minimum qualifications for this position and are highly encouraged to apply.Additional Military Crosswalk information can be accessed at https://hr.sao.texas.gov/Compensation/MilitaryCrosswalk/MOSC_NaturalResources.pdfGENERAL DESCRIPTIONThe Coastal Hydrologist primarily serves to develop, maintain, and apply hydrologic and hydraulic models of inland and coastal watersheds to inform environmental flow studies, drought science, and water resources planning, and oil spill response, with only occasional assistance on topics related to flood science and planning. Performs highly complex (senior-level) hydrologic and hydraulic data analysis and modeling work in support of environmental flow analyses, drought or flood science, water resources planning, and oil spill response, with only occasional assistance on topics related to flood science and planning. Work involves developing and applying hydrologic and hydraulic models and advancing program activities in estimating rainfall-runoff and streamflow but also may support studies of geomorphology and sediment transport. Assists in the planning, execution, and summary of scientific studies, including assistance with field data collection. Serves as a liaison at public meetings. Provides technical support to stakeholders and scientific committees and communicates analyses and results to general and technical audiences. May provide leadership in technical areas. May train others. Works under limited supervision with considerable latitude for the use of initiative and independent judgment. Reports to the Manager of the Coastal Science Department.
ESSENTIAL
FUNCTIONSDevelops, maintains, and applies hydrologic and hydraulic models of inland and coastal watersheds to inform environmental flow studies, drought science, and water resources planning, and oil spill response, with only occasional assistance on topics related to flood science and planning. Seeks to improve estimates of watershed hydrology for practical applications to water resources planning. Acquires and processes input data for various models, including precipitation, flow, bathymetry, land use, soil characteristics, and other environmental datasets. Calibrates, evaluates, and applies rainfall-runoff models (e.g., Texas Rainfall-Runoff model, HEC-HMS, National Water Model, SWAT, etc.).Conducts statistical, graphical, and geospatial analyses to support model validation and to detect spatial/temporal patterns. Generates, maintains, and updates the coastal hydrology database of freshwater inflow estimates to Texas estuaries, including obtaining, processing, conducting quality assurance/quality control, and version control of data, as well as implementing new/improved methods.Supports Oil Spill Prevention and Response by developing, testing, and implementing near-real time estimates of modeled streamflow from ungauged watersheds to advance oil spill trajectory modeling.
Plans and executes scientific studies to improve the representation of key hydrological components in modeling and analyses.
Investigates and pursues new approaches to determine sediment transport and geomorphic conditions in Texas waters.
Writes, executes, and maintains the Python, Linux, and ArcGIS programs and scripts.
Writes, reviews, and evaluates technical memos, reports, work process, and policy documents.
Provides presentations and informational material to technical and non-technical audiences. Assists with field studies, including planning, on-site work, equipment installation, data acquisition, and data management.
Serves as liaison and provides technical support and information to stakeholder groups, scientific committees, and customers.
Seeks and supports opportunities to collaborate with academia, consulting firms, federal and state agencies, and other stakeholders to improve coastal hydrology datasets.
Coordinates with data scientists and analysts within the division to integrate modeled data and visualizations into Water for Texas Data.
Writes, reviews, and evaluates technical memos, reports, work processes, and policy documents. Coordinates with internal and external partners to develop and implement modeling studies and analyses. Plans and participates in field studies, including planning, on site work, equipment installation, data acquisition, and data management. Serves as liaison and provides data, models, information, and technical support to stakeholder groups, scientific committees, and customers. Serves as contract manager for modelin