Originally posted 31 July 2026 by the employer.
About the role
The Senior Facilities HVAC Engineer is responsible for the design, installation, commissioning, and operation of HVAC systems for Amkor's OSAT factory. This includes cleanroom air systems, exhaust systems, solvent exhaust abatement, and office HVAC systems.
What you'll do
- Review engineering drawings, submittals, and monitor construction progress in collaboration with design consultants. - Support commissioning activities, equipment preparation, operational testing, and resolve abnormalities during construction and start-up phases. - Provide operational and maintenance support for RCUs, MUAs, exhaust systems, acid scrubbers, and RCTO solvent abatement systems. - Address HVAC Out-of-Control Action Plan (OCAP) conditions in cleanroom environments, covering temperature, humidity, particle levels, and exhaust pressure. - Review tool exhaust design during the hook-up phase and perform engineering inspections. - Apply reliability engineering principles, including FMEA and root cause analysis, to improve system performance and energy consumption.
What you'll need
- Bachelor’s degree in Mechanical Engineering or a related field. - 5+ years of experience in HVAC engineering across design and operations. - Professional Engineering License (PE). - Strong understanding of HVAC systems, exhaust systems, controls, chilled water systems, cooling towers, and cleanroom standards. - Proficiency in AutoCAD, Revit, MS Office, and Bluebeam. - Ability to read and interpret engineering drawings and specifications.
Nice to have
- HVAC engineering experience in semiconductor or high-tech manufacturing. - Experience in design, construction, commissioning, and start-up.
This role has been open 0 days — well below the 57-day median for Semiconductor Equipment Engineering roles.
Semiconductor Equipment Engineering · Manufacturing Equipment
|
Open roles in category
3904
|
Median days open
57 d
|
Median salary
$126k
|
See the full market breakdown ▾Category comparison, and who else is hiring
| Metric | Amkor | All employers we track in this specialty (3904 roles · 84 employers) |
|---|---|---|
| Open roles in this specialty | 15 | 3904 |
| Open roles in the wider Process, Fab & Equipment family | 51 | 10278 · 109 employers |
| Median days open | 0 d | 57 d (−57 d vs this employer) |
| Median salary (USD postings) | — | $126k |
Who's hiring in this category
- Applied Materials · 663 open roles · median 56 d
- Lam Research · 568 open roles · median 40 d
- KLA Corporation · 290 open roles · median 68 d
- Micron Technology · 270 open roles · median 51 d
- ASML · 183 open roles · median 81 d
- ASM International · 157 open roles · median 85 d
How we counted: 3904 open Semiconductor Equipment Engineering (Manufacturing Equipment) roles from 84 employers tracked in the SemiconductorJobs index, counted 28 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.