Hydrographer (Remote/Traveling)

We are seeking a skilled Hydrographer to join our team. The ideal candidate can be based anywhere in the U.S. and will travel to jobsites to perform field hydrographic surveys, post-process data, and report findings.

Hydrographer Responsibilities:

• Conducting hydrographic and bathymetric surveys, including data collection and processing.
• Calibration and troubleshooting of dredge positioning systems.
• Reporting survey results and sediment sampling data to colleagues and supervisors.
• Verifying survey data accuracy and preparing related documentation.
• Using advanced surveying instruments and GPS technologies for precise measurements.
• Coordinating with engineering and technical teams, clients, and others.
• Training and supervising assistants in survey tasks.
• Researching and developing survey methods and instrument modifications.
• Traveling frequently (75-100% of the time).

Hydrographer Qualifications:

• 3-5 Years of experience within the hydrographic industry preferred.
• S. or B.S. in Surveying and Mapping, Natural Resources or similar curriculum preferred.
• Professional state license and or nationally recognized hydrographic certification preferred.
• Experience utilizing bathymetric survey tools including single-beam and multi-beam echo-sounders.
• Strong technical skills in hydrographic surveying and data analysis.
• Proficiency in using GPS technologies, total stations, and leveling instruments.
• Experience in preparing and analyzing survey data and reports.
• Ability to travel extensively for fieldwork.

Who is Brennan?

Since 1919, J.F. Brennan Company (Brennan) has delivered specialized marine construction, environmental remediation, and waterfront infrastructure solutions across the United States. Headquartered in La Crosse, Wisconsin, with additional offices throughout the country, we support complex projects from coast to coast with a strong commitment to safety, quality, innovation, and teamwork.

As a family-owned company, we take pride in building a culture where people are supported, challenged, and empowered to grow. Our teams work on meaningful projects that improve waterways, strengthen infrastructure, and help protect the environment, all while collaborating with talented professionals who care deeply about the work and each other.

At Brennan, you'll find opportunities to make an impact, contribute new ideas, and build a rewarding career alongside people who are passionate about what they do.

See our work in action here:

Why choose us?

• We are a company voted by our employees as a certified Great Place to Work®, and recognized by Fortune magazine as a Best Workplace in Construction.
• Our culture sets us apart. We strive to make our company the best possible place to work. We work hard to continue to build a culture in which every individual is important and the key to our success.
• Our focus on safety and quality is unmatched in the industry, and our ability to innovate has enabled us to succeed.
• We are a family-focused company and are determined to provide a rewarding career that offers above-average compensation.
• We offer an industry-leading benefits package. We are proud to offer our employees and their families group health, dental and vision insurance plans, 401(K) program with generous matching, annual bonus eligibility and profit-sharing program.

J.F. Brennan Company, Inc. is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other characteristic protected by law.


Notice to Staffing Agencies

J.F. Brennan Company Inc. ("Brennan") and its subsidiaries will not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to Brennan, including unsolicited resumes sent to a Brennan mailing address, fax machine or email address, directly to Brennan employees, or to Brennan's resume database will be considered Brennan property. Brennan will NOT pay a fee for any placement resulting from the receipt of an unsolicited resume. Brennan will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees. Agencies must obtain advance written approval from Brennan's recruiting function to submit resumes, and then only in conjunction with a valid fully executed contract for service and in response to a specific job opening. Brennan will not pay a fee to any Agency that does not have such an agreement in place. Agency agreements will only be valid if in writing and signed by Brennan's Chief Human Resources Officer or his/her designee. No other Brennan employee is authorized to bind Brennan to any agreement regarding the placement of candidate by Agencies.

Accessibility: If you need an accommodation as part of the employment process please contact Human Capital at:


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Equal Opportunity Employer, including disabled and veterans.


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