About the job
About Fuse Energy
Fuse Energy is a startup focused on renewable energy, working to deliver a terawatt of clean power. Backed by $170 million in funding from investors such as Multicoin, Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, Box Group, and strategic angels including Nico Rosberg and founders from Solana, Meta, Revolut, Spotify, and Uber, the company aims to reshape how energy is produced and consumed.
Fuse Energy is building a fully integrated energy company that develops solar, wind, and hydrogen projects, operates real-time power trading, and installs distributed energy systems. By selling directly to consumers, the company removes intermediaries, lowers costs, and passes savings on to customers.
The team is also developing the Energy Network: a decentralized platform of smart devices that rewards users in Energy Dollars for optimizing their energy use. This approach supports grid stability, which is increasingly important for AI data centers and other high-demand sectors.
Role Overview
The Design Engineer - Renewable Energy Solutions will lead the design and optimization of utility-scale solar and Battery Energy Storage System (BESS) projects across the UK, from early development through to construction handover. This position reports to the Engineering Manager.
The role centers on producing cost-effective, buildable designs that satisfy grid and planning requirements as well as EPC delivery needs. Close collaboration with Engineering, Development, and Construction teams is essential to ensure that all designs are practical, compliant, and ready for execution.
Key Responsibilities
System Design and Optimization
- Lead the design of utility-scale solar PV and BESS systems, including layouts and electrical configurations.
- Optimize designs for energy yield, cost efficiency, and constructability.
- Deliver detailed DC/AC designs, including string sizing, inverter selection, and cable routing.
- Support the co-location of solar and BESS systems.
Development Engineering
- Produce site layouts, single-line diagrams (SLDs), and essential engineering documentation.
- Maintain high-quality drawings and well-organized design records.
- Assist with site feasibility studies, layout optimization, and planning submissions.
- Contribute to technical due diligence for new projects and acquisitions.
Grid and Technical Integration
- Support grid connection designs in line with DNO/TSO requirements.
- Coordinate and review grid studies with external consultants.
- Ensure compliance with UK Grid Code, G99/G100, and other relevant standards.
Location
This role is based in London, England, United Kingdom.

