Flow Battery Test & Validation Engineer

Brightsmith; Greater London; On-site; GBP 55,000 - 85,000; Full time

Job summary

Brightsmith in London is seeking a Test & Validation Engineer to advance a flow battery platform from lab-scale into scalable stacks. You will build and test rigs, break and fix designs, and generate actionable data for the engineering team.

The role is hands-on, spanning cells, components and subsystems, with emphasis on validating performance and drive for the next design iteration. Ideal for engineers who enjoy practical experimentation and scale-up challenges.

Qualifications

• Experience testing physical hardware in an R&D, product development or engineering environment.
• Degree in Mechanical, Chemical or Electrical Engineering or related discipline.
• Experience with LabVIEW, Python, MATLAB and hardware test workflows.

Responsibilities

• Design and run experimental test programmes.
• Build, improve and troubleshoot test rigs.
• Test electrical, mechanical, thermal, fluidic and pressure systems; work with sensors and DAQ systems.
• Analyse test data and translate results into engineering actions.
• Investigate failures to determine root cause and drive iterations.

Skills

Hands-on testing

Curious & practical

Data analysis

Education

Engineering degree (Mechanical, Chemical or Electrical)

Tools

LabVIEW

Python

MATLAB

PLCs

Arduino

Raspberry Pi

Automated testing

Design of Experiments

Job description

Brightsmith in London is seeking a Test & Validation Engineer to advance a flow battery platform from lab-scale into scalable stacks. You will build and test rigs, break and fix designs, and generate actionable data for the engineering team.

The role is hands-on, spanning cells, components and subsystems, with emphasis on validating performance and drive for the next design iteration. Ideal for engineers who enjoy practical experimentation and scale-up challenges.