PLC Development Engineer - San Diego, CA, United States
$109,200 - $150,150 USD yearly
Originally posted 3 September 2026 by the employer.
Help develop and integrate highly reliable industrial automation and control systems that support ASML's advanced EUV lithography platforms.
About the role
As a PLC Development Engineer, you will help develop and integrate highly reliable industrial automation and control systems. Your work will contribute to the innovation and performance of complex, high-precision systems that are driving semiconductor manufacturing.
What you'll do
- Design software and firmware for Siemens PLC systems that meet system requirements, cost targets, and project schedules.
- Participate in defining system specifications and translating requirements into robust control solutions.
- Select and evaluate hardware architectures and components for complex, high-precision systems.
- Apply and promote best practices in PLC design, architecture, and industrial automation methodologies.
- Develop and maintain PLC test benches and simulation environments to validate software before deployment.
- Support system integration, troubleshooting, validation, and qualification activities.
What you'll need
- Bachelor's degree in Electrical Engineering or a related technical field.
- At least 5 years of experience designing PLC-based industrial automation and control systems.
- Experience programming Siemens PLCs using TIA Portal, PLCSIM, HMI, and related Siemens tools.
- Experience with Siemens SIMIT simulation platform and PLC validation methodologies.
- Proficiency with LAD, SCL, FBD, and STL programming languages.
- Experience implementing PID control loops, serial communications, and industrial control architectures.
- Experience collaborating with multidisciplinary engineering teams to define system requirements.
- Hands-on experience troubleshooting electronic systems at the module and system level.
- Experience with PLC test benches, digital twins, design validation, and qualification activities.
Nice to have
- Experience with auto-generated PLC code from Simulink models and broader system-level concepts.
Skills: PLC, Siemens TIA Portal, LAD/SCL/FBD/STL, industrial automation, control systems
This role has been open 41 days — well below the 77-day median for Semiconductor Equipment Engineering roles.
Semiconductor Equipment Engineering · Lithography Systems
|
Open roles in category
53
|
Median days open
77 d
|
Median salary
$130k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | ASML | All employers we track in this specialty (53 roles · 12 employers) |
|---|---|---|
| Open roles in this specialty | 29 | 53 |
| Open roles in the wider Process, Fab & Equipment family | 324 | 9878 · 109 employers |
| Median days open | 42 d | 77 d (−35 d vs this employer) |
| Median salary (USD postings) | — | $130k |
Skills observed across this category: PLC, Siemens TIA Portal, LAD/SCL/FBD/STL, industrial automation, control systems
Who's hiring in this category
- ASML (this employer) · 29 open roles · median 42 d
- Applied Materials · 4 open roles · median 104 d
- GlobalFoundries · 4 open roles · median 114 d
- Micron Technology · 4 open roles · median 157 d
- Onto Innovation · 3 open roles · median 84 d
- NXP Semiconductors · 2 open roles · median 112 d
How we counted: 53 open Semiconductor Equipment Engineering (Lithography Systems) roles from 12 employers tracked in the SemiconductorJobs index, counted 15 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.