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Freelance Hydrographic Survey Engineer Jobs (NOW HIRING)

GEOxyz Belgium

WI · On-site

# Unmanned Surface Vessel Engineer## in OostendeGEOxyz is a leading **maritime data company**, specialized in hydrographic, geophysical, geotechnical and topographic surveys; marine site investigations ...

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$12.5K

$104.9K

$164K

How much do freelance hydrographic survey engineer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for freelance hydrographic survey engineer in the United States is $104,896.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,500.00 and $131,500.00 per year, depending on experience, location, and employer.

What is a freelance hydrographic survey engineer?

Freelance Hydrographic Survey Engineers are professionals who specialize in mapping and analyzing underwater features, such as seabeds, rivers, and lakes, on a project-by-project basis rather than working for a single employer. They utilize specialized equipment like sonar, GPS, and software to collect data crucial for navigation, construction, and environmental studies. Working as a freelancer allows them to take on diverse assignments globally, providing flexibility and variety in their work. Their expertise is essential for industries such as maritime construction, offshore energy, and environmental monitoring.

What are the key skills and qualifications needed to thrive as a freelance hydrographic survey engineer?

To excel as a Freelance Hydrographic Survey Engineer, you need a solid background in geospatial sciences, marine engineering, or a related field, along with experience in hydrographic surveying techniques. Proficiency in specialized survey software (such as Hypack or QINSy), GPS systems, and multibeam sonar equipment is typically required, and certifications like IHO Cat A/B are highly valued. Strong problem-solving, attention to detail, and effective communication skills set outstanding professionals apart, especially when collaborating with multidisciplinary teams or clients. These competencies are essential for ensuring accurate data collection, analysis, and reporting in challenging marine environments.

What are some common challenges faced by freelance hydrographic survey engineers, and how can they be managed?

Freelance Hydrographic Survey Engineers often encounter challenges such as working in remote or harsh marine environments, managing varying client expectations, and ensuring equipment reliability in the field. Effective planning, strong communication with clients and vessel crews, and regular maintenance of survey instruments are key to overcoming these obstacles. Additionally, freelancers must stay current with the latest survey technologies and software to remain competitive and deliver high-quality results.

What is the difference between Freelance Hydrographic Survey Engineer vs Marine Surveyor?

AspectFreelance Hydrographic Survey EngineerMarine Surveyor
CredentialsHydrographic survey certifications, GIS knowledgeMaritime certifications, safety training
Work EnvironmentOffshore and onshore survey sites, vesselsShip inspections, port assessments, offshore platforms
Employer & IndustryFreelance, consulting firms, maritime industryShipping companies, survey agencies, maritime industry

Both roles involve maritime environments and require specialized certifications. However, Freelance Hydrographic Survey Engineers focus on mapping underwater terrains and data collection, often working independently or as consultants. Marine Surveyors typically conduct inspections and assessments of ships, ports, and offshore structures, often employed by companies or agencies. Understanding these differences helps job seekers identify the right career path in maritime and hydrographic fields.

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Freelance Hydrographic Survey Engineer jobs near you
Infographic showing various Freelance Hydrographic Survey Engineer job openings in the United States as of August 2026, with employment types broken down into 93% Full Time, 3% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $104,896 per year, or $50.4 per hour.

USV Engineer -- Hydrographic Drones & Electromechanical

GEOxyz Belgium

WI • On-site

Other

Posted 16 days ago

Job description

# Unmanned Surface Vessel Engineer## in OostendeGEOxyz is a leading **maritime data company**, specialized in hydrographic, geophysical, geotechnical and topographic surveys; marine site investigations; renewable energy support; and crew transfers for the **on-, near- and offshore industries**.Through our local offices and representatives worldwide, we provide our services to the offshore-, dredging-, and marine construction industries; Transmission System Operators (TSO); authorities; as well as to consulting companies and research centers.We maintain a sizable fleet of **30 owned vessels**, spanning various sizes from offshore vessels to smaller trailer vessels and Unmanned Surface Vehicles (USVs).Operating From Scandinavia to Morocco, with a strong focus on the North Sea basin, we are expanding globally. Our team of 700+ experts embodies our extensive in-house expertise.To support our growth, we are seeking to fill a range of exciting new roles within our company. Be the captain of your career, come sail with us!http://www.GEOxyz.euapply now### In search of a highly skilled and innovative USV Engineer to join our Innovation DepartmentAs an USV Engineer you will play a key role in advancing our capabilities in hydrography and aquatic drone technology.Your responsibilities:* Develop and optimize electromechanical systems for aquatic drones used in hydrographic surveys.* Collaborate with cross-functional teams to integrate sensors, actuators, and communication systems into drone platforms.* Work closely with software engineers, data scientists, and other team members to ensure seamless integration of electromechanical systems with software components.* Collaborate with external partners, suppliers, and research institutions.* Prepare comprehensive documentation for all design and development activities.* Maintain accurate records of design iterations, testing results, and improvements.* Ensure that all electromechanical systems comply with relevant industry standards and regulations.* Participate in certification processes and audits as necessary.### What do we expect from you?* You have min 5 years of relevant experience.* You have an engineering degree with preference to maritime industry or electrical/mechanical engineering.* You have proven experience in electromechanical design.* Knowledge of maritime environment or hydrographic survey techniques and equipment is a plus.* You have a good knowledge of English and Dutch.* Ability to multitask and manage several projects at a time.* Exceptional attention to detail and a high level of accuracy.* Time management skills to complete error-free work within the required timeframe.* Communication skills in reading and writing for creating documentation and reports.* Critical thinking and problem-solving abilities to develop creative solutions.* Ability to work well in a team and on your own.### What do we offer you?* A challenging position within a fast-growing environment.* A positive and collaborative working atmosphere within a dynamic team.* Competitive salary.* Opportunities for active growth within our organization. #J-18808-Ljbffr

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