Senior Software Engineer - C#/C++

The Opportunity

At Hitachi Energy, we don't just build software-we build the future of energy. As a Senior C#/C++ Developer - Power Systems Applications, you'll be part of a team that's transforming how electricity flows through the grid, integrating renewables, and enabling smarter, more resilient infrastructure. Our software powers the largest transmission and distribution networks across the globe, and your work will directly impact how energy is delivered to millions.

This role is ideal for someone who thrives at the intersection of engineering and innovation. You'll lead development efforts that model, simulate, and optimize complex power systems, collaborating with experts in grid operations, software architecture, and data science. Whether you're refining algorithms for contingency analysis or enhancing user experience for control applications, your contributions will help utilities operate more efficiently and sustainably.

We're looking for curious minds who enjoy solving real-world challenges, experimenting with new technologies, and working in agile, cross-functional teams. If you're passionate about building solutions that matter-and want to be part of a company that values your growth and impact-this is your opportunity to energize your career.

How You'll Make an Impact

• Lead development of software applications for grid simulation and optimization.
• Collaborate with product teams to design scalable, high-performance solutions.
• Translate system requirements into technical designs and prototypes.
• Apply numerical analysis and optimization techniques to power system models.
• Conduct code reviews and ensure adherence to clean coding principles.
• Improve application performance and security across platforms.
• Mentor team members and contribute to continuous learning.
• Participate in agile planning, retrospectives, and cross-functional collaboration.
• Responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines.

• More than 8 years of professional experience in software development.
• Experience in the .NET technology stack, including C#.
• Proficiency in C++ and familiarity with Fortran is a plus.
• Experience with relational databases such as Oracle or PostgreSQL.
• Strong understanding of unit and integration testing frameworks.
• Knowledge of performance and security aspects of software products.
• Candidate must already have work authorization that would permit them to work for Hitachi Energy in the United States.