Sr. Materials & Processes Engineer – Composites

El Segundo, CA | FULL-TIME

Principal Responsibilities

Cambium works at the interface of biotech and materials science to build sustainable next-generation defense products.  We integrate computational chemistry, product design, and advanced manufacturing methods to solve difficult challenges like hardening UAVs against laser attack, protecting payloads during hypersonic flight, and streamlining the defense product manufacturing supply chain.  Our people come from places like SpaceX, Anduril, Scaled Composites, Lockheed Martin Skunkworks, and US DoD Research Labs.  We are seeking motivated and exceptional people to join our team.

Cambium is seeking a Materials & Processes Engineer to join our growing team in El Segundo, CA. The successful candidate will be curious with a desire to learn, have a strong desire to help grow a company, and will help us build a work culture of open-mindedness that embraces creativity. At Cambium we’re willing to do things differently.


Cambium is seeking an experienced Materials & Processes Engineer to join our resins and composites engineering team. You’ll work closely with the team to develop, codify, and document specifications for materials and processes. You will draw on your prior experience in polymer matrix composites to provide guidance and mentorship to other engineers regarding process development and material testing. This will be a hands-on role and you will be involved in every step of the development process. As Cambium experiences rapid growth, the responsibilities of this role are expected to evolve.

Key Responsibilities

  • Generate and maintain materials and processes specifications, including traceability and tracking of raw materials, resin production, composite panel fabrication, etc.
  • Author and own material specifications in coordination with suppliers and stakeholders.
  • Manage material qualification programs including specifications, test plans/reports, and internal/external lab data.
  • Provide mentorship and guidance to engineers and technicians.
  • Communicate clearly and concisely key concepts, development status, performance outcomes, and lessons learned to peers, senior leadership, and investors.
  • Collaborate across multiple teams including world-class experts in polymer science, composites, advanced manufacturing methods, aerospace design, and defense products.
  • Create and contribute to the product demonstration and engineering teams in a manner consistent with Cambium’s mission and values and the growth of Cambium’s business.

Key Requirements

  • Due to the nature of the work, you must have US citizenship or US permanent residency
  • S. in materials science, mechanical engineering, aerospace engineering or a related subject
  • 5+ years of experience as an M&P Engineer
  • 10+ years of composites/aerospace industry experience
  • Detailed knowledge of and experience with composite layup, vacuum bag, and curing procedures
  • Basic understanding of resin characterization (rheometry, DSC, DMA, TGA)
  • Deep knowledge of and experience with composite testing in accordance with CMH-17 methods and ASTM Volume 15.03
  • You must have a strong desire to mentor other engineers and be willing to work in a hands-on engineering role
  • Ability to complete tasks on time with little supervision
  • Strong communication and collaboration skills

Preferred Qualifications


Cambium offers a highly competitive compensation and benefits plan. This includes excellent medical/dental/vision benefits, and a matching 401(k) plan.

Salary: $135,000 – $170,000

Let us hear from you

If you are interested in joining our team, please submit your resume and brief pitch to:

Cambium is an Affirmative Action and Equal Opportunity Employer. At Cambium, all qualified applicants will be evaluated for employment without regard to race, color, religion, gender, sexual orientation, national origin, genetic information, age, disability, veteran status, or any other legally protected basis.


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