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• Collaborate with global researchers and engineers to develop software applications for power systems.
• Propose and develop new approaches for creating, running, and using numerical simulations with business impact.
• Build prototypes and verify new simulation concepts and methods.
• Develop approaches that combine mathematical and physical power system models with mathematical optimization technologies.
• Implement novel simulation algorithms and work across multiple simulation software tools.
• Support business units and contribute to the successful execution of research projects.
• Share knowledge across the organization and collaborate with external research and industry partners.
• Publish results through scientific publications, patent applications, and technical reports.
• Responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines.

• Candidate must already have work authorization that would permit them to work for Hitachi Energy in the United States.
• Ph.D. degree in Theoretical Physics, Mathematics, Engineering or any related field. Highly qualified candidates with a master’s degree may also be considered.
• Interest in and willingness to learn about power systems engineering, energy transition and operations research.
• Experience in designing, developing, and executing numerical simulation algorithms for large-scale systems.
• Willingness to take an interdisciplinary approach, working with experts from domains different from their own area of expertise.
• Experience in the following topics is highly valued: Numerical Methods for Ordinary and Partial Differential Equations, Convex and Nonconvex Optimization, Fourier Analysis.
• Experience with mathematical modeling languages for optimization problems.
• Experience using automatic differentiation.
• Experience using algorithmic performance optimization for running large scale mathematical solvers.
• Strong programming experience (e.g. C, C++, CUDA, Python, Fortran)
• Solid theoretical background with publications in renowned journals and conferences.
• Excellent innovation capability and competence in application-oriented research.
• Self-motivated, high curiosity and ability to learn new technologies.
• Attention to detail and the ability to work independently and as part of a team.
• Excellent written and verbal communication and presentation skills in English.

• Work on innovative energy technologies related to power systems, simulation methods, and the energy transition.
• Collaborate with experienced professionals across research teams, engineering groups, and business units.
• Access learning and development opportunities through research projects, knowledge sharing, and external collaborations.
• Receive health and retirement benefits.
• Benefit from paid leave and workplace flexibility.

Equal Employment Opportunity (EEO)-Females/Minorities/Protected Veterans/Individuals with Disabilities

Equal Employment Opportunity

Hitachi is an Equal Employment Opportunity (EEO) employer. We welcome applications from all qualified individuals, including females, minorities, protected veterans, and individuals

with disabilities.

Accessibility and reasonable accommodation

Protected veterans and qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.

This accommodation channel is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.

Use of Al and automated tools in recruitment

As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.