About the job
About Gridcog
Gridcog is a SaaS start-up focused on advancing the clean energy transition. The team brings together energy professionals building project modeling software that helps users make informed, strategic decisions about energy projects.
Role Overview
This Senior Simulation Engineer (Modeling) position centers on improving and expanding the simulation and optimization capabilities within Gridcog’s Python codebase. The work blends mathematical modeling, numerical methods, and production-level software engineering to deliver accurate, efficient, and reliable simulations at scale.
What You Will Do
- Enhance and extend simulation and optimization features in the core Python platform
- Work with mathematical models and numerical methods to support complex energy project scenarios
- Ensure modeling outputs remain accurate and efficient as the platform grows
About the Platform
The Gridcog platform models the physical and commercial aspects of energy projects. It integrates technologies such as solar, wind, batteries, flexible loads, gensets, and EV fleets, capturing their interactions within electricity markets and tariff structures worldwide.
Who Should Apply
- Simulation engineers with experience in modeling uncertainty and solving complex business problems
- Candidates with backgrounds in energy systems modeling are encouraged, but those with transferable skills from other modeling or data science domains will also be considered
Location
This position is based in London, England, United Kingdom.

