Controls Engineer Co-Op - Round Rock, TX, United States
Originally posted 6 October 2026 by the employer.
The Controls Engineer Co-Op will assist in developing new, high purity, solid precursor delivery systems for advanced node chemistries.
About the role
This role involves assisting in the development of new, high purity, solid precursor delivery systems for advanced node chemistries for the semiconductor industry.
What you'll do
- Coordinate project timelines with lead controls engineering NPD management.
- Create PLC and HMI code based on end-user requirements.
- Support New-Product-Development (NPD) scientists and engineers in troubleshooting controller equipment, including sensors, transmitters, remote IO, analog scales, temperature controllers, overlimit controllers, and other microcontrollers.
- Make programming changes online for retrofitting or upgrading equipment.
- Quote components and order parts directly with outside vendors.
- Work safely and drive process improvements.
What you'll need
- Demonstrated experience within a global, multicultural, multi-location organization serving the semiconductor industry.
- Understanding of electrical controllers (PLC/PAC), including how to read/write/edit logic using IEC 61131-3 languages (Ladder, FBD, Structured Text, SFC) with a command of program scan time, timers, interlocks, latches, control loops and conditional statements affecting electrical inputs/outputs.
- Proficiency, knowledge, or willingness to become proficient in controls / software related tools (Python, Ignition, SQL, etc.).
- Must be a currently enrolled student.
- Available to work 40 hours a week, M-F (8a-5p) beginning in January through June.
Nice to have
- Major in Controls Engineering or related subject.
- Major in Engineering (mechanical, chemical, electrical, computer, industrial, or similar).
- Major in in the Sciences (Computer, Physics, Mathematics, or similar).
- Graduation year 2027-2028.
Skills: PLC, HMI code, control systems, semiconductor industry, NPD
This role has been open 3 days — well below the 53-day median for Semiconductor Equipment Engineering roles.
Semiconductor Equipment Engineering · Manufacturing Equipment
|
Open roles in category
3718
|
Median days open
53 d
|
Median salary
$126k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Entegris | All employers we track in this specialty (3718 roles · 82 employers) |
|---|---|---|
| Open roles in this specialty | 66 | 3718 |
| Open roles in the wider Process, Fab & Equipment family | 409 | 9729 · 107 employers |
| Median days open | 32 d | 53 d (−21 d vs this employer) |
| Median salary (USD postings) | — | $126k |
Skills observed across this category: PLC, HMI code, control systems, semiconductor industry, NPD
Who's hiring in this category
- Applied Materials · 613 open roles · median 52 d
- Lam Research · 545 open roles · median 43 d
- Micron Technology · 269 open roles · median 44 d
- KLA Corporation · 254 open roles · median 66 d
- ASML · 198 open roles · median 64 d
- ASM International · 157 open roles · median 78 d
How we counted: 3718 open Semiconductor Equipment Engineering (Manufacturing Equipment) roles from 82 employers tracked in the SemiconductorJobs index, counted 9 Oct 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.