SpaceX
Aerospace & DefenseDirect Greenhouse career site

Principal Materials Engineer, Polymers (Starlink)

Location
Bastrop, TX · On-site
Job type
Full-time
Level
Executive
Experience
10+ years
Education
Bachelor's degree
Listed
30 days ago

Skills & highlights for this role

  • polymer characterization
  • failure analysis
  • injection molding
  • thermoplastics
  • DSC and TGA

Also useful

  • SEM-EDS
  • FTIR
  • rheometry

About the role

Starlink, our revolutionary satellite constellation, will deliver low-latency broadband internet worldwide. We are committed to offering access to high-speed internet to customers, and are looking for a Polymers Engineer to utilize their knowledge, experience, and creativity to solve material selection and processing challenges as we ramp service.

Responsibilities

  • Responsible for the development, test and performance evaluation of polymeric materials used across various Starlink products
  • Support polymer selection and implementation by collaborating with design engineers to establish required design inputs for ensuring a cost-effective and reliable mass consumer electronic
  • Collaborate with other engineers, subject matter experts, and technicians to solve complex material and processing challenges on our current and next generation products
  • Lead successful scale-up from prototype to production of relevant injection molded parts
  • Engage in root cause failure investigations as a subject matter expert for failure mechanisms

Basic Qualifications

  • Bachelor's degree in materials science or an engineering discipline
  • 10+ years of experience with characterizing, testing, and evaluating the performance of thermoplastics, elastomers, and/or adhesives

Preferred Skills and Experience

  • Master's degree or PhD in materials science, materials engineering, or polymer engineering
  • Diverse knowledge of polymeric and elastomeric materials and their processing
  • Knowledge of polymer additives, fillers, and reinforcements, and their impact on polymer processing
  • Strong background in polymer characterization techniques and equipment, including SEM-EDS, FTIR, DSC, TGA, LFA, rheometry, optical microscopy, hardness testers, and mechanical property testing
  • Expert understanding of failure modes in polymeric materials
  • Experience with developing new processes, improving efficiencies and successfully transferring to production
  • Development of new testing techniques and custom test jigs
  • Demonstrated track record of success in a rapidly growing, fast-paced and highly competitive environment

Additional Requirements

  • Must be available to work extended hours and weekends as needed
  • Willingness and ability to travel up to 25% time
  • Work performed in an environment requiring exposure to fumes, odors, and noise
  • Comfort occasionally working in tight or confined spaces

Itar Requirements

  • To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

About SpaceX

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.

Read the original posting

From SpaceX's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

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Common questions

Where is the Principal Materials Engineer, Polymers (Starlink) job at SpaceX located?

This Principal Materials Engineer, Polymers (Starlink) position at SpaceX is located in Bastrop, TX (On-site). Always check SpaceX's application page for specific state eligibility or relocation policies.

What qualifications are required for Principal Materials Engineer, Polymers (Starlink) at SpaceX?

For the Principal Materials Engineer, Polymers (Starlink) role, SpaceX highlights 10+ years of relevant experience; a bachelor's degree; experience with polymer characterization, failure analysis, injection molding, thermoplastics, DSC and TGA. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Principal Materials Engineer, Polymers (Starlink) position at SpaceX?

This listing links directly to SpaceX's Greenhouse application page. You can apply directly on SpaceX's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.