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H2i is driven by a team of dedicated IT and computing specialists who apply big data analytics, machine learning and advanced modelling to solving the most pressing water issues of today. We bring the latest in science and technology to real-world water challenges.

We are always interested in people with skills in advanced computing, development and operations, and coastal and hydrological modelling.

If you have the right skills and a passion to make a difference, we offer a vibrant work environment with plenty of room for personal development. Follow us on LinkedIn to be the first to know about openings at H2i.


H2i Pte. Ltd. is looking to strengthen its modelling team with a Senior Hydrological and Hydraulic Modeller to support execution and management of consultancy projects in the field of Urban Hydrology and Water Resource Management.

Your Role:
  • Execute and manage consultancy projects related to urban hydrology projects and real-time control applications within projects
  • Review hydrological and hydraulic models developed by colleagues, and supervise and guide junior staff that support execution of consultancy projects
  • Communicate with clients on a regular basis to discuss project progress and other project related matters
  • Develop, calibrate, validate hydrological and hydraulic models developed with a variety of software (e.g. WFLOW, Sobek, Mike 11, HEC-RAS, 3Di, TUFLOW, Delft3D)
  • Write and review reports and documentation related to consultancy projects and model development
  • Support proposal development for new projects
  • Work with the Management to develop new business opportunities


It will be a good fit if you have:

  • A Master of Science degree in relevant fields
  • 8 years of relevant experience in hydrological and hydraulic modelling, using software packages (e.g. WFLOW, Sobek, Mike11, HEC-RAS, 3Di, TUFLOW, Delft3D)
  • Experience in management of consultancy projects


It will be a bonus if you have:

  • Experience with scripting languages (e.g. R, Python)
  • Experience with GIS software e.g. ArcGIS, QGIS.
  • Ability to communicate and present ideas clearly within and outside of own domain: (a) Colleagues with different background such as IT, data sciences or administration (b) Clients and potential new clients

Location: Singapore

Submit your motivation letter and CV to

We are seeking a highly-motivated, self-driven individual to join our company as Water Resources Modeller.

You have previous experience applying numerical methods and scientific computing to environmental fluid dynamics problems. You will be responsible for devising and implementing new high-performance algorithms and testing existing codes related to computational hydraulics. This is a great opportunity to be involved in projects related to the application of numerical modelling to hydrology and water management problems, from concept stage to product implementation.

Your Role:

  • Work with front- and back-end software developers, data scientists and water management consultants in H2i’s software modelling developments
  • Formulate novel numerical algorithms to solve computational hydraulics problems related to surface-subsurface flow
  • Implement efficient software for the numerical algorithms on state-of-the-art HPC environments (multicore/multiple CPUs, GPUs)
  • Assist in computational modelling of flow and transport problems in hydraulics (surface and groundwater) using existing software


It will be a good fit if you have:

  • Master’s degree or PhD in Engineering or Mathematical Sciences
  • Proficiency in Fortran and/or C/C++ for HPC and experience with parallel computing frameworks OpenMP, MPI, CUDA and OpenACC
  • Proficiency in scripting languages like Python
  • 8 years of relevant experience with projects related to numerical methods and scientific computing, and their application to environmental fluid dynamics problems
  • Strong interpersonal and communication skills, and an ability to communicate insights and complex information to both technical and non-technical decision makers.

Location: Singapore

Submit your motivation letter and CV to