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Junior Polymer Engineer Jobs (NOW HIRING)

Job Category Engineering & Science Position Summary This position is within the Polymer Performance ... Mentors junior scientists in their projects * Presents technical topics to non-technical teammates ...

Repair Engineer

Lansing, MI · On-site

$50 - $75/hr

... junior staff and making data-driven technical decisions in a production environment ... Fiber-reinforced polymer composites, specifically: fiberglass, aramid, and/or carbon prepreg and ...

Mentor junior designers. Qualifications You Must Have * A Science, Technology, Engineering or ... Organic/Polymer Matrix Composites, Fiber Reinforcement, Manufacturing methods, Adhesives, Surface ...

Mentor junior designers. What You Will Bring: * A Science, Technology, Engineering or Mathematics ... Organic/Polymer Matrix Composites, Fiber Reinforcement, Manufacturing methods, Adhesives, Surface ...

Mentor junior designers. What You Will Bring: * A Science, Technology, Engineering or Mathematics ... Organic/Polymer Matrix Composites, Fiber Reinforcement, Manufacturing methods, Adhesives, Surface ...

Mentor junior designers. What You Will Bring: * A Science, Technology, Engineering or Mathematics ... Organic/Polymer Matrix Composites, Fiber Reinforcement, Manufacturing methods, Adhesives, Surface ...

... junior and mid-level developers on the team. • Performs all other duties as assigned ... polymer, etc. • Demonstrated willingness and ability to adapt and learn new technologies ...

Senior Engineer

Los Angeles, CA · On-site

$112K - $154K/yr

Knowledge of design of Fiber-reinforced polymer (FRP) composite for Seismic upgrades. * Strong ... Ability to mentor junior engineers. Our ideal candidate is an individual who can work effectively ...

Senior Engineer

Anaheim, CA · On-site

$109K - $150K/yr

Knowledge of design of Fiber-reinforced polymer (FRP) composite for Seismic upgrades. * Strong ... Ability to mentor junior engineers. Our ideal candidate is an individual who can work effectively ...

Senior Engineer

Los Angeles, CA · On-site

$112K - $154K/yr

Knowledge of design of Fiber-reinforced polymer (FRP) composite for Seismic upgrades. * Strong ... Ability to mentor junior engineers. Our ideal candidate is an individual who can work effectively ...

Polyzen is a leading developer and manufacturer of customized polymer-based materials, films ... Train junior-level extrusion engineers or operators and act as the subject matter expert (SME) for ...

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Junior Polymer Engineer information

See salary details

$33.5K

$71.8K

$109.5K

How much do junior polymer engineer jobs pay per year?

As of Jul 15, 2026, the average yearly pay for junior polymer engineer in the United States is $71,799.00, according to ZipRecruiter salary data. Most workers in this role earn between $48,500.00 and $80,000.00 per year, depending on experience, location, and employer.

What are some typical challenges a Junior Polymer Engineer might face when working on new material development projects?

As a Junior Polymer Engineer, you may encounter challenges such as understanding the complexities of polymer behavior under different processing conditions and adapting to rapidly evolving material requirements. Collaborating with cross-functional teams—including chemists, product designers, and manufacturing staff—can also present communication and technical alignment hurdles. Additionally, balancing hands-on laboratory work with data analysis and documentation responsibilities often requires strong organizational skills and adaptability. With mentorship and experience, these challenges become valuable learning opportunities that contribute to your professional growth.

What does a Junior Polymer Engineer do?

A Junior Polymer Engineer assists in the research, development, testing, and production of polymer materials, such as plastics, resins, and composites. They typically support senior engineers by conducting experiments, analyzing materials, and troubleshooting issues in manufacturing processes. Their responsibilities may also include collecting and interpreting data, preparing reports, and ensuring that materials meet quality and safety standards. This entry-level role is designed to build foundational skills in polymer engineering and provide hands-on experience in the field.

What are the key skills and qualifications needed to thrive as a Junior Polymer Engineer, and why are they important?

To thrive as a Junior Polymer Engineer, you need a solid background in polymer science, materials engineering, or chemical engineering, typically supported by a relevant bachelor's degree. Familiarity with laboratory equipment, polymer characterization techniques, and software such as MATLAB or CAD tools is frequently required. Strong problem-solving abilities, teamwork, and effective communication skills help you excel in research and development environments. These competencies ensure precise analysis, successful collaboration, and innovative solutions in the rapidly evolving polymer industry.

What is the difference between Junior Polymer Engineer vs Polymer Technician?

AspectJunior Polymer EngineerPolymer Technician
Required CredentialsBachelor's degree in Polymer Science, Chemical Engineering, or related fieldAssociate degree or technical certification in polymer technology
Work EnvironmentDesign, research, and development labs; collaborative engineering teamsManufacturing plants; quality control labs; hands-on production settings
Employer & Industry UsageResearch institutions, chemical companies, R&D departmentsManufacturers, production facilities, quality assurance teams

Junior Polymer Engineers typically focus on research, design, and development of polymer products, requiring a degree and analytical skills. Polymer Technicians usually work in production and quality control, with technical certifications. Both roles are essential in the polymer industry but differ in responsibilities and work settings.

More about Junior Polymer Engineer jobs
What cities are hiring for Junior Polymer Engineer jobs? Cities with the most Junior Polymer Engineer job openings:
What are the most commonly searched types of Polymer Engineer jobs? The most popular types of Polymer Engineer jobs are:
What states have the most Junior Polymer Engineer jobs? States with the most job openings for Junior Polymer Engineer jobs include:
Infographic showing various Junior Polymer Engineer job openings in the United States as of July 2026, with employment types broken down into 25% Internship, and 75% Full Time. Highlights an 100% In-person job distribution, with an average salary of $71,799 per year, or $34.5 per hour.
Engineer/Scientist III

Full-time

Posted 11 days ago


Job description

Overview

Longenecker & Associates (L&A), a Geosyntec Company, is a trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE's nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivated Engineer/Scientist III to contribute to our mission supporting our work at Los Alamos National Lab in Los Alamos, NM.

Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.

We invest in our people.  Each employee is unique, and your career at Geosyntec will be too.  We offer competitive pay and benefits, and well-being programs to support you and your family.

To Learn More Visit: http://www.geosyntec.com/careers/.

Essential Duties and Responsibilities

The W93 Systems Development and Realization Group (Q-20) is seeking a Scientist 3 to lead a team responsible for developing and realizing polymer components of the W93/Mk7. As a Product Realization Team (PRT) Lead, you will work with other PRTs and the W93 Systems Engineering Director to coordinate the efforts of the LANL team designing and developing the polymer components. You will collaborate with colleagues at Production Agencies across the Nuclear Security Enterprise, particularly Kansas City National Security Campus (KCNSC). You will ensure the success of the team responsible for planning, managing requirements and interfaces, executing, testing, reporting status, and ultimately delivering a producible, Mark Quality design and product.This is an opportunity to be part of the first new weapon system program in over 30 years. Q-20, W93/Mk7 Systems Development and Realization Group, defines, develops, and fields the warhead system for the newest Navy sub-launched ballistic missile weapon program. We support the DoD/Navy SSP and DoE/NNSA customers in defining the mission need and corresponding technical and programmatic requirements. The W93 collaborates closely with Sandia National Laboratories (SNL) and Lockheed Martin Space design agencies, developing the re-entry system, ensuring safe, secure, & reliable warhead performance and a relevant nuclear deterrent. Q-20 also incorporates the production agency teams (KCNSC, Pantex, SRS, Y-12, LANL, and SNL) tightly into the design, qualification, and realization processes.A Scientist 3 may perform cross-cutting work across the several polymer PRTs, coordination with QTE (Qualification, Test, and Evaluation) and requirements evaluation and revision. Additionally, an Scientist 3 will provide technical leadership and mentorship to junior staff supporting these efforts.

Education and Licensure
  • Master's degree in a STEM field from an accredited college or university and 6 years of relevant experience or an equivalent combination of education and experience directly related to the occupation. (required) 
Skills, Experience and Qualifications
  • For full consideration, please submit a comprehensive resume reflective of your experience relevant to the job requirements and desired skills stated above, and a detailed cover letter explaining how you meet each of the minimum requirements and any of the desired qualifications. Applications without a cover letter will not be reviewed.
  • Leadership: Demonstrated ability to work, influence, and lead in an R&D team environment consisting of diverse and multi-talented scientists, engineers, technicians, and operations personnel, including demonstrated ability to successfully mentor early career staff.
  • Collaboration: Demonstrated record of developing and leading successful cross-organizational teams to solve complex problems.
  • Engineering Design: Thorough knowledge of and demonstrated experience in developing and implementing technical requirements, specifications, plans, reports, and procedures related to product realization.
  • Networking and Communication: Demonstrated experience in interacting and integrating effectively with external and internal interfaces (to include DoD, NNSA, and other agencies); building trust, gaining consensus, and resolving conflicts while nurturing relationships. Demonstrated experience developing and implementing solutions in a collaborative, team environment. Effective communication with the Program Level PRT Lead, Systems Engineers, Program Office, Electrical Engineers, Mechanical Engineers, Project Controls, and Test Technicians on development progress and issues.
  • Program Management: Excellent project management skills, as demonstrated by experience overseeing and completing highly complex/high-profile projects on schedule and within allocated budget.
  • Thorough knowledge and experience in one or more technical research and disciplines.
  • Adherence to and advocacy for principles of scientific integrity.
  • Thorough knowledge and experience in developing and implementing technical research and development projects, including the formulation and testing of hypotheses, investigation of alternative solutions, and recommendation of solutions to technical problems.
  • Thorough knowledge and experience in formulating and presenting results to technical audiences and readerships.
  • Thorough knowledge and experience of appropriate safe practices for technical work.
  • Due to federal contract security requirements, this position requires U.S. Citizenship. (required)
  • Due to federal contract security requirements, candidates must be able to successfully pass a federal background investigation to secure and maintain DOE Q security clearance. (required)
  • Health & Safety training, medical monitoring, and client-driven drug and background testing. (required)

Please note that marijuana remains a Schedule III controlled substance under Federal Law. Federal contractors must follow Federal drug-free workplace rules, which prohibit marijuana use, even if medical or recreational use is permitted under State Law.  

PREFERRED QUALIFICATIONS & LOCATION DETAILS:

  • Experience with nuclear weapon system design and engineering, particularly US Navy systems.
  • Experience with nuclear weapon development, qualification, certification, assembly/production, or surveillance.
  • A science or engineering degree in a chemical, polymer or material-based field, for example, chemistry or material science and engineering.
  • A demonstrated knowledge of chemical sciences and the ability to evaluate scientific data collected from material experiments. Understanding of material interactions, particularly polymer aging and compatibility.
  • A firm knowledge of GD&T and the ability to read and interpret engineering drawings and interfaces.
  • A demonstrated understanding of requirements engineering, creating, validating and verifying requirements.
  • Familiarity with DPBPS (Defense Programs Business Process System).
  • Experience with product realization from conceptual designs through to qualified production.
  • Active Q Clearance, equivalent DoD clearance, or the ability to obtain an Active Q Clearance. 
  • The position is physically located in Los Alamos, NM. The work location for this position is onsite. All work locations are at the discretion of management. Domestic travel will be expected to DOE sites at a variable rate around 20%, which may require unusual work hours to fulfil. Kansas City - 25-35% of the time based on face-to-face meetings, Quartey visits, 1 week at a time,
  • Q-20 Weapons Modernization
  • Assignment Duration - 2 years with possibility of extension or conversion.
  • 9/80 schedule.

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Employment Type: FULL_TIME