Senior Wafer Fab Planner - USA - Alhambra, CA, United States
$82,000 - $117,000 USD yearly
Originally posted 28 September 2026 by the employer.
Contribute to Indium Phosphide (InP) semiconductor laser and gain chip fabrication.
About the role
This role involves managing production planning and scheduling for epitaxy and wafer fabrication operations, balancing fab capacity, managing WIP, and ensuring timely availability of tested die. The team specializes in the design and manufacture of Indium Phosphide (InP) semiconductor laser and gain chips.
What you'll do
- Develop and maintain master production plans for InP wafer fabrication operations
- Translate customer and business demand into wafer start requirements
- Generate weekly, monthly, and quarterly production schedules
- Plan production loading across epitaxial growth tools and downstream wafer fabrication operations
- Perform capacity analysis and identify bottlenecks impacting delivery performance
- Monitor wafer movement, WIP health, aging lots, and cycle time
What you'll need
- Bachelor's degree in Engineering, Supply Chain, Operations Management, Industrial Engineering, Business, or related discipline
- 5+ years of production planning experience in semiconductor manufacturing
- Strong understanding of capacity planning, production scheduling, inventory management, and demand planning
- Experience with ERP/MRP systems and advanced Microsoft Excel
- Analytical, communication, and organizational skills
Nice to have
- Experience in photonics, optoelectronics, compound semiconductors, InP, GaAs, or silicon photonics
- Familiarity with epitaxial growth operations such as MOCVD, MOVPE, or MBE
- Experience with semiconductor MES systems
- Understanding of wafer yield, die inventory management, and cycle time optimization
- Experience in a high-mix manufacturing environment
Skills: production plans, wafer fabrication, capacity analysis, production scheduling, inventory management
This role has been open 12 days — well below the 52-day median for Manufacturing/Industrial Engineering roles.
Manufacturing/Industrial Engineering · Manufacturing Equipment
|
Open roles in category
2432
|
Median days open
52 d
|
Median salary
$100k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Semtech | All employers we track in this specialty (2432 roles · 77 employers) |
|---|---|---|
| Open roles in this specialty | 4 | 2432 |
| Open roles in the wider Process, Fab & Equipment family | 18 | 9739 · 108 employers |
| Median days open | 86 d | 52 d (+34 d vs this employer) |
| Median salary (USD postings) | — | $100k |
Skills observed across this category: production plans, wafer fabrication, capacity analysis, production scheduling, inventory management
Who's hiring in this category
- Micron Technology · 385 open roles · median 81 d
- Entegris · 244 open roles · median 30 d
- Applied Materials · 231 open roles · median 38 d
- Lam Research · 105 open roles · median 53 d
- Infineon Technologies · 90 open roles · median 51 d
- ASML · 75 open roles · median 70 d
How we counted: 2432 open Manufacturing/Industrial Engineering (Manufacturing Equipment) roles from 77 employers tracked in the SemiconductorJobs index, counted 10 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.