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Industry job opportunity: Hydroacoustic Monitoring Fish Biologist (USA)

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6 March, 2023

Hydroacoustic Monitoring Fish Biologist
Full-Time/Permanent

The State of Washington (USA) has an opening for a permanent, full time Hydroacoustic Monitoring Fish Biologist (Bio3) at the Department of Fish and Wildlife.

The successful candidate will lead hydroacoustic-based monitoring studies of salmon and steelhead in Puget Sound marine and freshwater areas to provide supplementary abundance estimates that support fish management.

As a senior biologist, the role will also provide analysis and interpretation of data that has a direct impact on key fish program decisions and processes. They will also likely assist with fall chum acoustics surveys.

Mill Creek, Washington is the current duty station, however, depending on the successful candidate, other duty stations may be considered.

The Hydroacoustic Monitoring Fish Biologist

Plan, develop, and design hydroacoustic-based biological studies with a focus on determining fish abundance, species composition, and fish migration patterns in Puget Sound marine areas and rivers. Duties include:

  • Writing field protocols, prioritizing, planning, coordinating field operations, adjusting assignments and schedules to maintain adequate staffing levels.
  • Maintaining and modifying field equipment, including acoustic platforms such as split-beam mobile systems and multibeam acoustic cameras
  • Overseeing the daily review of hydroacoustic data, ensuring appropriate data is recorded and stored.
  • Identifying suitable field sites by conducting stream surveys on foot and/or by raft following necessary safety protocols.
  • Obtaining permits and/or permission for land access to work on private and public property.
  • Providing technical consultation to landowners, businesses, agency personnel, and others on hydroacoustic-related issues. Consults with other agencies, organizations, tribal entities, and governmental units.


Will provides analysis, assessment, and interpretation of the results and preparation of final written reports that have a direct impact on key program decisions and fish management processes. Duties include:

  • Managing and maintaining project databases, data QA/QC.
  • Applying statistical principles, hydroacoustic data processing software, and an ecological framework to describe fish abundance, species composition, fish migration timing, movement, and distribution patterns.
  • Serving as a Department representative at meetings to present study results as oral presentations and provide information to media.


Purchases and maintains assigned inventory, field gear, and equipment including:

  • Independently procuring equipment and supplies to complete work activities.

The position will be advertised until March 27, 2023. The first review of applications will take place on March 13, 2023.

For a more detailed position description and for further information on how to apply, please visit the website here.

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