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Entry Level Polymer Engineering Jobs in California

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers ... polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle ...

We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic ...

Entry Level Polymer Engineering information

See California salary details

$49.8K

$88.2K

$153K

How much do entry level polymer engineering jobs pay per year?

As of Aug 28, 2026, the average yearly pay for entry level polymer engineering in California is $88,160.00, according to ZipRecruiter salary data. Most workers in this role earn between $69,100.00 and $113,500.00 per year, depending on experience, location, and employer.

What does an entry level polymer engineer do?

An entry level polymer engineer assists in the research, development, testing, and production of polymer materials such as plastics, resins, and composites. They typically work under the guidance of senior engineers to perform experiments, analyze material properties, and help improve manufacturing processes. Responsibilities may also include preparing technical reports, troubleshooting issues, and ensuring the quality of polymer products. This role is a great starting point for gaining hands-on experience in materials science and engineering.

What types of projects or tasks can I expect to work on as an entry level polymer engineer?

As an entry level polymer engineer, you’ll typically be involved in supporting senior engineers with materials testing, product development, and quality control projects. Your daily tasks may include conducting laboratory experiments to evaluate polymer properties, preparing technical reports, and assisting in troubleshooting manufacturing challenges. You’ll also collaborate closely with cross-functional teams such as product design, manufacturing, and quality assurance to help develop new polymer products or improve existing ones. This collaborative environment provides valuable hands-on experience and broad exposure to various aspects of polymer engineering, setting a strong foundation for future career growth.

What are the key skills and qualifications needed to thrive as an entry level polymer engineer, and why are they important?

To thrive as an Entry Level Polymer Engineer, you need a solid understanding of polymer science, materials engineering, and chemistry, usually supported by a bachelor's degree in chemical engineering, materials science, or a related field. Familiarity with laboratory equipment, analytical tools (such as DSC, FTIR, or SEM), and basic computer-aided design (CAD) software is often required. Strong problem-solving skills, attention to detail, and effective teamwork help individuals excel in collaborative research and development environments. These skills are crucial for developing innovative polymer solutions and ensuring product quality in manufacturing and research settings.

What is the difference between Entry Level Polymer Engineering vs Entry Level Materials Science?

AspectEntry Level Polymer EngineeringEntry Level Materials Science
Required CredentialsBachelor's in Polymer Engineering, Chemical Engineering, or related fieldBachelor's in Materials Science, Chemistry, or related field
Work EnvironmentManufacturing plants, R&D labs, product developmentResearch labs, manufacturing, quality control
Industry UsagePlastics, polymers, packaging, automotive partsMetals, ceramics, polymers, composites
Common Search/ComparisonYesYes

Entry Level Polymer Engineering focuses on the development and manufacturing of polymer materials, often working in plastics and rubber industries. Entry Level Materials Science covers a broader range of materials, including metals and ceramics, with a focus on understanding material properties. Both roles require similar educational backgrounds and often share work environments, but their industry applications differ. Understanding these distinctions helps job seekers identify the best fit for their skills and interests.

What cities in California are hiring for Entry Level Polymer Engineering jobs?

Cities in California with the most Entry Level Polymer Engineering job openings:

Infographic showing various Entry Level Polymer Engineering job openings in California as of August 2026, with employment types broken down into 84% Full Time, 10% Part Time, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $88,160 per year, or $42.4 per hour.

Welder (entry level)

CRH

Fontana, CA • On-site

$27.63/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 7 days ago


Job description

Welder (entry level)
Infrastructure Products Group
Fontana, California, United States
Job ID: 528002
Non-Exempt
Oldcastle, a CRH company, is reinventing what's possible in building solutions. We are the leading provider of innovative outdoor living products and utility infrastructure solutions for the water, energy, and communications markets throughout North America. We're a trusted and strategic partner to engineers, contractors, distributors, specifiers, retailers, and homeowners alike as the manufacturer of precast concrete, polymer concrete, and plastic infrastructure products. Our portfolio of brands includes Oldcastle APG, Oldcastle Infrastructure, Belgard® hardscape, Echelon® Masonry, RDI® railing, Catalyst™ Fence Solutions, Sakrete® packaged concrete, Amerimix® mortar, Pebble Technology International® pool finishes, and Techniseal® sands and sealant technologies.
Oldcastle Infrastructure - Built For Life from Oldcastle Infrastructure on Vimeo.
Job Summary
Fabrication of steel molds for concrete which includes use of hand and power tools, various cutting equipment, and welding part together per specifications. This is a union role.
Job Responsibilities
  • Fabrication of steel molds
  • Use hand and power tools, lifting equipment, plasma cutter, vertical band saw, drill press, grinders, etc.
  • Welding parts together per specifications
  • Other duties may be assigned as needed

Job Requirements
  • Must have experience in steel fabrication, at least 1 year is preferred
  • High school diploma / equivalent
  • Ability to perform basic mathematics
  • Ability to read fractions, tape measures, and shop prints
  • Understanding of basic hand and power tools and their use
  • Capable of welding both horizontal and vertical, with ability to pass certification

Compensation
  • The hourly pay rate is $27.63/hr
  • 401(k) plan / group retirement savings program
  • Short-term and long-term disability benefits
  • Life insurance
  • Health, dental, and vision insurance
  • Paid time off
  • Paid holidays

What CRH Offers You
  • Highly competitive base pay
  • Comprehensive medical, dental and disability benefits programs
  • Group retirement savings program
  • Health and wellness programs
  • An inclusive culture that values opportunity for growth, development, and internal promotion

About CRH
CRH has a long and proud heritage. We are a collection of hundreds of family businesses, regional companies and large enterprises that together form the CRH family. CRH operates in a decentralized, diversified structure that allows you to work in a small company environment while having the career opportunities of a large international organization.
If you're up for a rewarding challenge, we invite you to take the first step and apply today! Once you click apply now, you will be brought to our official employment application. Please complete your online profile and it will be sent to the hiring manager. Our system allows you to view and track your status 24 hours a day. Thank you for your interest!
Oldcastle Infrastructure, a CRH Company, is an Affirmative Action and Equal Opportunity Employer.
EOE/Vet/Disability
CRH is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, status as a protected veteran or any other characteristic protected under applicable federal, state, or local law.
AI tools may be used in certain stages of the employment lifecycle, such as candidate review; however, all final employment decisions will be made by a person.

CRH logo

About CRH

Sourced by ZipRecruiter

CRH has a long and proud heritage as one of North America's largest corporations. We are a proud reflection of the hundreds of family businesses, local and regional companies and mid to large sized enterprises that together form the CRH family. CRH operates with a decentralized, diversified structure, letting you work in a small company environment while having the career opportunities of a large enterprise.

Industry

Construction materials wholesalers

Company size

10,000+ Employees

Headquarters location

New York, NY, US