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David Evans & Assoc - Hydrographer - Houston, TX

January 31, 2022 8:08 PM | Haley Hollis (Administrator)

DEA’s Marine Services division is an award-winning leader in the field of hydrographic and geophysical surveying. DEA Marine Services is staffed by a highly experienced group of professional hydrographers, surveyors, engineers, and scientists with wide-ranging expertise in hydrography, oceanography, marine geology and geophysics, geodesy, and geospatial science. We are recognized as trusted advisors to our clients and take pride in our ability to develop innovative field programs and geospatial products to address the specific objectives of each project.

DEA Marine Services is in search of an experienced, project-oriented Hydrographer to join our team of professionals. This position will be based in the Houston, TX area and will work with other remote and/or offshore project locations to support hydrographic and/or geophysical fieldwork. Fieldwork opportunities will include large-scale, offshore surveys aboard our 82’ survey vessel Blake or other large vessels in addition to smaller scale coastal, estuarine or riverine surveys with trailerable launches, watercraft, and/or remotely operated vehicles. When not in the field, the candidate will be expected to provide significant support and/or oversight to our geospatial data processing workflows, perform quality control checks on work products, and produce high quality project deliverables.


  • Calibrate, operate, troubleshoot, and maintain hydrographic survey equipment including single beam, multibeam, and side scan sonar systems, positioning instruments and motion sensors, sound speed sensors, and other ancillary equipment such as sediment sampling devices and hydraulic systems.
  • Operate survey-related software for data acquisition, navigation, and survey documentation including review of GNSS data streams and software to confirm accurate positioning
  • Coordinate and collaborate with the project team(s) to review project plans and provide project updates
  • Perform in-field quality assurance, data management, and documentation activities
  • Conduct in-field mobilization and demobilization of survey vessels and equipment
  • Work independently or as a team to analyze and process hydrographic data, prepare survey documentation, produce project deliverables, and perform quality control checks of work products and procedures


  • B.S. in Marine Science, Physical Science, Engineering, or other relevant discipline
  • 3-5 years of hydrographic and/or geophysical survey experience
  • Familiarity with NOAA and USACE survey specifications
  • Knowledge of all aspects of hydrographic surveying including vessel positioning, tides, survey vessel configuration, cartography, sound velocity concepts, sonar data acquisition, interpretation, and troubleshooting, and survey documentation procedures
  • Comprehensive knowledge of hydrographic data acquisition, processing, and analysis packages including Caris, Hypack, and Chesapeake SonarWiz
  • Demonstrated commitment to established safety procedures
  • Team player with good communication skills
  • Fit for sea duty and ability to lift 50 pounds
  • Ability to travel and be deployed for up to 30 days


  • Medical, Dental, Vision, Disability and Life Insurance
  • Health Savings and Lifestyle Spending Account with employer contribution
  • Support for continuing education and training opportunities
  • Vacation/Sick/Holiday Pay
  • 401k and Employee Stock Ownership Program (ESOP)
  • Holistic Wellbeing Program with a focus on physical, emotional, financial, career and community health
  • Opportunity for growth with support and mentoring to help with professional goals

DEA is proud to be an AA/EEO employer and all qualified candidates will receive consideration without regard to characteristics protected by applicable local, state or federal law, such as race, color, sex, age, religion, national origin, physical or mental disability, pregnancy, marital status, veteran or military status, genetic information or sexual orientation.

To apply for this position, follow this link: 


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