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Castelion

Polymer & materials science hiring snapshot · last 6 months

13Open roles
8.2Roles / month
BachelorTypical degree
Under 2 weeksHow long roles stay open, typically

Open roles (13)

Posted again and again

  • Materials Engineer, High Temperature Compositeslisted in 3 different months since May 2026

Degree requirements

Bachelor 92%

Top material classes

Composites 78%
Thermosets 39%
Elastomers/rubber 33%
Adhesives/sealants 22%
Coatings/films 8%
Electronic materials 2%

Most-requested techniques

mechanical testing 27%
DSC 16%
TGA 16%
FTIR 12%
DMA 10%
SEM 8%
PFMEA 8%
ultrasonic NDE 8%

Role mix

Process Engineering 65%
R&D / Research 20%
Manufacturing / Production 14%

Where they hire

CA 84%
NM 10%
TX 4%

Industries

Defense 100%

Work arrangement

98%On-site
2%Remote

Visa & eligibility signals

63%Need clearance
96%Export-controlled

Sponsorship signals come from posting language plus historical DOL Labor Condition Application data. Confirm specifics with the recruiter.

Posting volume · last 6 months

49 roles posted across 6 months, averaging 8.2/month.

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