Product Engineer - Porto, Portugal
Originally posted 22 September 2026 by the employer.
This role focuses on high-performance mixed-signal audio products.
About the role
This Product Engineer role involves bringing high-performance mixed-signal audio products from development to high-volume manufacturing. You will optimize production performance and solve complex technical challenges for these mixed-signal audio products.
What you'll do
- Serve as the engineering interface for engineering support at test sites.
- Drive resolution of engineering and production issues, including process, hardware, and test challenges.
- Verify, debug, and release engineering and production test programs.
- Monitor production yield and test time across multiple products.
- Manage production lines by resolving technical and quality issues.
- Perform periodic audits of test sites in accordance with procedures.
What you'll need
- BS in Electrical Engineering (or equivalent field) with proven Product Test Engineering experience.
- Experience with mixed-signal tester platforms, preferably Teradyne.
- Knowledge of test hardware debugging, schematic analysis, and PCB troubleshooting.
- Experience maintaining, troubleshooting, repairing, and calibrating wafer probing equipment (e.g., TSK/Accretech, OPUS SEMIC).
- Experience with SQL, Unix, and C programming.
- Proficiency with Spotfire and and/or JMP for data analysis and visualization.
- Experience supporting high-volume manufacturing.
Nice to have
- Experience with WLCSP probing or related bumping technology.
- Experience with probe head design, PCB hardware repair, soldering, and failure analysis.
- Experience with Statistical Process Control (SPC) and Design of Experiments (DOE).
- Experience with PCB schematic/layout tools and Teradyne test platforms.
Skills: production yield, test programs, mixed-signal tester, Teradyne, wafer probing
This role has been open 1 day — well below the 67-day median for Product Engineering roles.
Product Engineering · Manufacturing Equipment
|
Open roles in category
149
|
Median days open
67 d
|
Median salary
$175k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Cirrus Logic | All employers we track in this specialty (149 roles · 46 employers) |
|---|---|---|
| Open roles in this specialty | 2 | 149 |
| Open roles in the wider Silicon Validation & Test family | 17 | 2111 · 111 employers |
| Median days open | 4 d | 67 d (−63 d vs this employer) |
| Median salary (USD postings) | — | $175k |
Skills observed across this category: production yield, test programs, mixed-signal tester, Teradyne, wafer probing
Who's hiring in this category
- NVIDIA · 11 open roles · median 64 d
- onsemi · 11 open roles · median 141 d
- Micron Technology · 10 open roles · median 146 d
- Texas Instruments · 9 open roles · median 50 d
- AMD · 8 open roles · median 137 d
- Entegris · 8 open roles · median 66 d
How we counted: 149 open Product Engineering (Manufacturing Equipment) roles from 46 employers tracked in the SemiconductorJobs index, counted 23 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 Silicon Validation & Test family row. Figures refresh nightly.