Polymer Materials Scientist (Must have rubber or silicone experience)

LeoForce; Riverside (CA); On-site; USD 125,000 - 170,000; Full time

Benefits offered by this job

401(k) matching

Dental insurance

FSA

HSA

Life insurance

Vision insurance

In-person work

Job summary

LeoForce is seeking a Polymer Materials Scientist (Mid Level) with rubber or silicone experience to lead development and optimization of polymer formulations. This on-site role in Riverside, CA combines hands-on R&D with collaboration across engineering, production, and suppliers to deliver reliable, compliant polymer products.

The ideal candidate will have 5+ years in polymer formulation and manufacturing, a Master’s degree in Chemistry or related field, and strong data analysis and reporting

Qualifications

• Master’s degree minimum in Chemistry or related scientific/engineering field.
• 5+ years in polymer formulation development.
• 5+ years in polymer manufacturing.
• Superior data analysis and report writing experience.

Responsibilities

• Research and develop new polymer formulations for product launches.
• Implement and control all polymer production compounds.
• Design feasibility tests to confirm system and product capabilities.
• Optimize products by studying customer requirements and production methods.
• Prepare product reports by analyzing information and trends.
• Coordinate annual supplier and lab testing.
• Bridge between scientists, engineers, customers, and operators.
• Maintain system and materials data bases with proper data entry.
• Maintain compliance with government requirements and regulations.

Skills

Polymer formulation

Rubber & silicone

Data analysis

Report writing

Cross-functional collaboration

Education

Master's degree in Chemistry or related field

Job description

Polymer Materials Scientist (Must have rubber or silicone experience)

6915936

Location: Riverside,CA, US

Date Posted: 09-10-2026

Experience: Mid Level

Salary: $125,000 - $170,000 per year

Job Details

Relocation available

Are you looking for a growing entrepreneurial organization where you can make a significant impact? We need a visionary polymer chemist and/or material scientist with a track record of success.

Are you a creative expert in developing new chemistries, formulations, and products?

Do you want accountability for all aspects of material performance including overall design, material optimization and material processing for all polymer and textile technology within the organization? Do you have the expertise and the motivation to cause things to happen and deliver results?

The ideal candidate will have R&D level proficiency in polymer chemistry (ideally silicone and/or organic rubbers), material science, and applied materials science/mechanical engineering.

You Should Know How to:

• Research and develop new polymer formulations for new product market launches working directly with technical leadership.
• Implement and control of all polymer production compounds
• Confirm system and product capabilities by designing feasibility and testing methods and properties.
• Optimize polymer products by studying customer requirements; researching and testing manufacturing and assembly methods and materials; and solicit observations from operators; benchmark against competition.
• Assure system and product quality by designing testing methods; testing raw material and finished-product and system capabilities; and confirming fabrication, assembly, and installation processes.
• Prepare product reports by collecting, analyzing, and summarizing information and trends.
• Assist Engineering in optimizing polymer production processes
• Acts as a bridge between our scientists, engineers, customers, and operators with the world of polymers
• Maintain product compliance and communication with government requirements and regulations
• Maintain system and materials data base by writing computer programs and entering data.
• Create materials specifications to ensure material quality conformance.
• Maintain professional and technical knowledge by attending educational workshops, reviewing professional publications, establishing personal networks, participating in professional societies.
• Attend intercompany “Chemists Only” meetings every 6 weeks, write Annual Research Report.
• Coordinate annual “round rOur Clientn” testing with supplier and sister company labs.
• Coordinate supplier qualification and formulation performance with sister company in India.
• Perform other duties as required.

Should Bring

• Master’s degree minimum in Chemistry or other applicable scientific/engineering field (Material Science, Chemical Engineering).
• 5+ years in polymer formulation development.
• 5+ years in polymer manufacturing.
• Superior data analysis and report writing experience.

Nice to Have

• 5+ years in silicone and/or rubber formulation.
• Hose materials product development.
• Experience in technical fabrics.
• Evidence of original research in the field.

Our Team

Our Company is located in Corona, CA. This is a fully on-site position where you will collaborate with and lead the activities of the lab staff, plus external resources. You will report to our CTO and operate with considerable independence.

Your Personal Attributes Should Include

• Drive and dedication to success while maintaining integrity.
• Proven social skills.
• Excellent organizational skills.

Requirements:

Master’s degree minimum in Chemistry or other applicable scientific/engineering field (Material Science, Chemical Engineering)

• 5+ years in polymer formulation development
• 5+ years in polymer manufacturing
• Superior Data analysis and report writing experience

Benefits

• 401(k) matching
• Dental insurance
• Flexible spending account
• Health savings account
• Life insurance
• Vision insurance
• Work Location: In person

A bit about us:

We are a family-owned organization dedicated to supporting manufacturing and logistics operations through integrated IT, HR, and accounting services. Our team operates in a collaborative, hands-on environment where leaders are empowered to make decisions, drive improvements, and directly influence business outcomes.

Why join us?

You will have the opportunity to shape strategy, streamline operations, and build scalable systems in a company that values agility over bureaucracy. We offer a setting where your impact is visible, your ideas are heard, and your leadership helps guide long-term growth—making it an ideal place for those seeking both responsibility and meaningful influence in a stable, essential-services business.

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