
Senior Hydrodynamic Specialist – Software development
Be a key player in renewable and maritime engineering software
We are the independent expert in assurance and risk management. Driven by our purpose, to safeguard life, property, and the environment, we empower our customers and their stakeholders with facts and reliable insights so that critical decisions can be made with confidence.
As a trusted voice for many of the world’s most successful organizations, we use our knowledge to advance safety and performance, set industry benchmarks, and inspire and invent solutions to tackle global transformations.
About Digital Solutions
We provide engineering software tools and enterprise solutions for managing risk to improve safety and performance across industries, including the maritime, energy, and healthcare sectors. Research, development, implementations and partnerships with our customers have earned us the position as a trusted third-party vendor of software and services. We are accelerating the pace of transition toward the digitalization of systems and software-as-a-service (SaaS) solutions to give customers the efficiency and flexibility of the cloud, including the power and insights from advanced analytics.
About the role
Would you like to be part of a dedicated team that develops desktop and cloud software solutions for hydrodynamic and strength assessment of offshore and maritime structures?
The Product Line Renewables and Ocean Structures (ROS) is seeking an experienced hydrodynamic specialist with software development competence to be part of developing Sesam hydrodynamic programs. DNV Sesam software (https://www.dnv.com/sesam) is a global market leader in the maritime and oil & gas industries. As the world transitions towards renewable energy, Sesam is becoming key for the design and operation of fixed and floating offshore wind turbine (OWT) structures. You will be involved in challenging work to enhance the methodology, efficiency, and user experience of the Sesam workflows for maritime, offshore, and renewable structures.
Your primary responsibility will be to work as a software developer to enhance and renew our hydrodynamic software as part of the hydrodynamic team. The Sesam hydrodynamic software include HydroD, hydrodynamics solvers (Wadam, Wasim, Wajac), and associated tools.
The team is part of Software Engineering ROS which consists of 60+ dedicated developers and engineers in multiple locations such as Oslo, Bristol, Shanghai, and Gdynia. You will be part of a motivated team of domain experts, professional software engineers, software testers, product managers, and technical support engineers who pride themselves on delivering high-quality software. You will have the opportunity to solve hard and interesting problems.
The position is located in our office in Norway, Oslo (Høvik).
Main Responsibilities:
- Coding and development of our Sesam hydrodynamic solvers and associated tools used for hydrodynamic and strength assessment of maritime, offshore and renewable structures
- Maintain cutting-edge expertise in hydrodynamics and proactively drive thought leadership by scouting and integrating emerging methods and technologies
- Assist product manager, marketing and sales to understand customers’ needs in technical perspectives, including participation in meetings with customers
- Improve computational performance of Sesam hydrodynamic solvers and tools through profiling, code and algorithm optimization, and parallelization.
- 3rd line support for hydrodynamic solutions
- Understand customer needs for improving the performance and user experience of Sesam software engineering workflows
- Contribute to improving our automated build and test systems
- Delivery on scope and schedule according to requirements
- Dealing with technical debt and maintain technical health
What we offer
- The opportunity to use AI, like GitHub Copilot, as an integral part of your daily workflow
- A strong company culture with an emphasis on competence development
- Competence development through individual development plans, including learning from development communities and dedicated training programs
- Great colleagues who value teamwork and support
- Free commuter bus from Sandvika and Skøyen
- Scenic work environment by the sea at Høvik
- Social events and team-building activities
- Interesting and challenging tasks
- International working environment
- 6 weeks of vacation
DNV is an Equal Opportunity Employer and gives consideration for employment to qualified applicants without regard to gender, religion, race, national or ethnic origin, cultural background, social group, disability, sexual orientation, gender identity, marital status, age or political opinion. Diversity is fundamental to our culture and we invite you to be part of this diversity.
About you
Position Qualifications:
Must Have:
- MSc or PhD in hydrodynamics, Naval Architecture or a similar domain
- 5-10 years’ experience within the relevant domain and industries
- Familiar with frequency domain and time domain theory in hydrodynamic analysis.
- Motivation for software development
- Some software development experience in one of the following languages: Fortran, C++, C#
- Ability to build and maintain relationships
- Solution-oriented and proactive
Nice to Have:
- Professional software programming experience in one of the following languages: Fortran, C++, C#
- Familiarity with Sesam or similar hydrodynamic tools
- Familiarity with software development frameworks like Agile/Scrum
- Familiarity with DNV rules and RPs or relevant standards
Security and compliance with statutory requirements in the countries in which we operate is essential for DNV. Background checks will be conducted on all final candidates as part of the offer process, in accordance with applicable country-specific laws and practices..

DNV is a global quality assurance and risk management company. Driven by our purpose of safeguarding life, property and the environment, we enable our customers to advance the safety and sustainability of their business.
We provide classification, technical assurance, software and independent expert advisory services to the maritime, oil & gas, power and renewables industries. We also provide certification, supply chain and data management services to customers across a wide range of industries.
Combining technical, digital and operational expertise, risk methodology and in-depth industry knowledge, we empower our customers’ decisions and actions with trust and confidence. We continuously invest in research and collaborative innovation to provide customers and society with operational and technological foresight.
With origins stretching back to 1864 and operations in more than 100 countries, our experts are dedicated to helping customers make the world safer, smarter and greener.