Materials Engineering Co-Op - Chaska, MN, United States
$20 - $30 USD yearly
Originally posted 10 September 2026 by the employer — open 7 days.
About the role
This role involves materials engineering for advanced purity solutions at the Chaska, MN site.
What you'll do
- Lead polymer development projects with cross-functional teams.
- Create materials solutions based on customer-defined product and application needs.
- Develop qualification plans and success criteria for applications.
- Provide support on new and existing materials issues to engineering and manufacturing.
- Investigate materials failures to determine root cause and recommend corrective actions.
- Document work via data packages and material specifications.
What you'll need
- Pursuing a Bachelor's Degree in Materials / Chemical / Polymer Engineering.
- Experience/exposure with formulation and development of polymeric compounds.
- Analytical background with working knowledge of chemical and polymer analysis laboratory instrumentation and methodologies.
- Knowledge of polymer manufacturing and processing including injection molding, rotomolding, blow molding, and extrusion.
- Experience using structured DOE and statistical methods in an R&D environment.
- Understanding of Root Cause and Corrective Action processes and tools.
Nice to have
- Experience in a global R&D environment.
Skills: polymer development, polymeric compounds, materials failures, injection molding, statistical methods
This role has been open 7 days — well below the 81-day median for Process Engineering roles.
Process Engineering · Semiconductor Process
|
Open roles in category
1042
|
Median days open
81 d
|
Median salary
$148k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Entegris | All employers we track in this specialty (1042 roles · 59 employers) |
|---|---|---|
| Open roles in this specialty | 41 | 1042 |
| Open roles in the wider Process, Fab & Equipment family | 367 | 9320 · 108 employers |
| Median days open | 26 d | 81 d (−55 d vs this employer) |
| Median salary (USD postings) | — | $148k |
Skills observed across this category: polymer development, polymeric compounds, materials failures, injection molding, statistical methods
Who's hiring in this category
- Micron Technology · 352 open roles · median 133 d
- Applied Materials · 92 open roles · median 132 d
- GlobalFoundries · 72 open roles · median 86 d
- STMicroelectronics · 48 open roles · median 66 d
- Texas Instruments · 44 open roles · median 29 d
- Entegris (this employer) · 40 open roles · median 28 d
How we counted: 1042 open Process Engineering (Semiconductor Process) roles from 59 employers tracked in the SemiconductorJobs index, counted 17 Sept 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there — it is counted in the wider Process, Fab & Equipment family row. Figures refresh nightly.