Wet Chemistry & Process Engineer (Materials)

Cantos Ventures; Torrance (CA); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Employee equity

Four weeks paid time off

Company paid holidays

Medical coverage (100% employee, 80% +

Dental & Vision coverage

FSA/HSA options

401k plan

Paid parental leave

Meals & catering

Snacks & beverages

Fitness stipend

EV charging

Job summary

Castelion is seeking a highly motivated chemist to support development and scale-up of a proprietary wet chemistry process used in next-generation aerospace materials. The role blends hands-on lab work with analytical process development to translate lab-scale chemistry into robust manufacturing processes.

The chemist will execute multi-step syntheses, characterize products, develop SOPs, and support transition from lab-scale to larger manufacturing systems, with exposure to process optimization

Qualifications

• 1+ years of wet chemistry synthesis experience.
• Bachelor's or Master's degree in Chemistry, Chemical Engineering, Polymer Chemistry, Organic Chemistry, or a related field.

Responsibilities

• Execute and monitor multi-step wet chemistry synthesis processes to support development and production activities.
• Design and perform experiments to optimize reaction conditions, yields, purity, and process repeatability using structured experimental methodologies.
• Characterize reaction intermediates and final products using standard analytical laboratory techniques.
• Collect, organize, and analyze process and analytical data to support process optimization and manufacturing readiness.
• Develop and maintain process documentation, work instructions, batch records, and standardized operating procedures.
• Troubleshoot reaction, purification, and process issues in a fast-paced development environment.
• Support scale-up activities by evaluating reaction performance across increasing batch sizes and implementing process improvements to enable future production capacity.

Skills

Wet chemistry synthesis

Analytical data analysis

Technical documentation

Independent lab work

Education

Bachelor's/Master's in Chemistry/related field

Tools

GC

GC-MS

FTIR

NMR

Chromatography

DSC

TGA

Job description

Castelion is seeking a highly motivated chemist to support development and scale-up of a proprietary wet chemistry process used in next-generation aerospace materials. The role blends hands-on lab work with analytical process development to translate lab-scale chemistry into robust manufacturing processes.

The chemist will execute multi-step syntheses, characterize products, develop SOPs, and support transition from lab-scale to larger manufacturing systems, with exposure to process optimization