The Opportunity: Tetra Tech is adding a Hydrographer to join our Marine Services team in Bothell, WA, supporting diverse projects in offshore energy, river restoration, and remediation. This role includes conducting bathymetric, topographic, geophysical, and oceanographic surveys as well as environmental sampling across inland lakes and rivers, ports and harbors, and nearshore and offshore locations. The Hydrographer will contribute to underwater infrastructure assessments, restoration planning, dredging projects, oceanographic studies, and hydroelectric dam evaluations for public, government, and private clients. Why Tetra Tech: At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 500 million lives around the world. Your Impact: Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential - join us to advance your career while leaving a lasting legacy. Your Role: Plan, conduct, and assist with topographic, hydrographic, and geophysical surveys, including data collection, interpretation, and reporting. Set up, operate, and troubleshoot survey system hardware, software, and cabling. Conduct surveys from boats ranging in size from 12 to 250 feet, both domestically and internationally. Set up and operate static and RTK GPS receivers, processing and ensuring data quality. Collect and process multibeam (MBES) and single-beam echosounder data. Perform field surveys using GPS and/or Total Station. Utilize software like AutoCAD, Civil 3D, and ArcGIS for mapping and chart production. Understand geodesy, survey and tidal datum, and establish and recover survey control. Follow plans, specifications, and SOPs while promoting safe work practices. Collaborate as part of a team and work independently on complex tasks. Travel for domestic and international assignments (approximately 30% annually). Work in challenging field conditions, including offshore environments and inclement weather. Load and unload equipment (up to 50 lbs.) and navigate rugged terrain and ship ladders. Qualifications: Associate degree, Certification, or License in Land or Hydrographic Surveying with 5 years' experience (required). Bachelor's degree in Engineering, Geodesy, Geomatics, Oceanography, or Marine Geology with 3-5 years' direct experience in Land or Hydrographic Surveying (required). Land Surveyor in Training (LSIT) desired; Professional Land Surveyor (PLS) preferred. Over 5 years of experience as a Survey Technician, Oceanographic Technician, Survey Party Chief, or Hydrographic Surveyor is ideal. Experience working on small boats and large vessels desired. Proficiency in geodesy, cartography, GIS, photogrammetry, and charting desired. Expertise with survey and charting software such as HYPACK HYSWEEP, QPS QINSy, CARIS, POSPac, AutoCAD Civil 3D, or ArcGIS required; programming skills are a plus. Must possess a valid driver's license with a clean driving record without restrictions. Life at Tetra Tech: The perks of working at Tetra Tech include: Comprehensive and market-competitive benefits. https://www.tetratech.com