Principal Project Manager

Cranleigh Scientific

Full-time architecture-and-engineering
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Location
Alfold Crossways, Surrey, United Kingdom
Posted
July 24, 2026

Job Description

H-Power is a UK-based, AIM-listed clean energy company developing zero-emissions hydrogen power systems. Using ammonia to produce low-carbon hydrogen at the point of need, and fuel cells to convert it into reliable, off-grid power, H-Power offers a scalable, practical alternative to fossil fuels, serving construction, infrastructure, transport and power generation sectors.

Behind the technology is a team driven by a shared purpose: to accelerate the shift away from fossil fuels.

H-Power is seeking a Principal Project Manager to take ownership of its HY-5 ammonia cracker programme, a complex, multidisciplinary engineering project.

This is a key delivery role for an experienced engineering Project Manager who can bring structure, clarity and accountability to a technically challenging programme. You will work closely with Chief Engineers, engineering leads and the CTO, guiding the product through build, testing and validation before supporting its transition from pro...