R & D Technician, Electrodialysis Membrane

About this role

About the Role Captura is seeking an ED Membrane R/D Technician to join our team developing next-generation bipolar membrane electrodialysis (BPED) technology at a pivotal early stage in our growth. This is a unique opportunity to help scale a novel BPED platform into industrial scale direct ocean carbon capture, lithium refinement, and brine valorization applications.

The ideal candidate will have hands-on experience with electrodialysis or electrochemistry, wet-lab experience, and the ability to work independently within a small team. This position requires being comfortable working with chemicals, laboratory equipment, process materials, and appropriate personal protective equipment (PPE).

They will take ownership of membrane test systems and electrochemical data, playing a key role in optimizing and scaling up our BPED R&D work. Responsibilities Set up, calibrate, monitor, and operate bipolar membrane electrodialysis (BPED) test systems, using peristaltic pumps and power supplies, and other operating parameters to maintain consistent data quality across test runs.

Compile, organize, and present electrochemical data (voltage, current efficiency, conductivity, etc.) for review by the R&D team, flagging trends or anomalies as they emerge. Troubleshoot technical issues across test systems, including membrane fouling, leaks, pump or sensor malfunctions, and electrical faults; identify root causes and implement corrective actions to minimize downtime.

Perform routine maintenance, calibration, and minor repairs on test stands and associated lab equipment to keep systems test-ready. Maintain accurate lab notebooks and test records to support reproducibility, knowledge transfer across teams and to support product development, root cause analysis, process validation,

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