STA & Custom Logic Design Engineer - Sunnyvale, United States
Originally posted 8 September 2026 by the employer.
About the role
This role involves performing timing analysis on custom design circuits and developing custom logic design in analog/mixed-signal circuits.
What you'll do
- Perform timing analysis on custom design circuits.
- Deliver timing views to integration teams.
- Develop custom logic design in analog/mixed-signal circuits.
- Work closely with custom design engineers and cross-functional teams at the silicon and module levels.
What you'll need
- BS and a minimum of 10 years relevant industry experience.
- Solid understanding of timing analysis concepts such as setup/hold time calculation, POCV on timing paths, timing constraints, transistor-level delay characterization, and rise/fall time balancing.
- Experience with timing analysis and verification in high-speed design such as SerDes and ADC.
- In-depth knowledge and analytical understanding of mixed-signal design techniques.
- Strong track record of delivering silicon IPs with design and verification.
- Proficiency in circuit modeling and simulation, including SPICE models and worst-case corner selection.
Nice to have
- Master’s Degree with 8+ years of relevant industry experience.
- Experience with STA tools such as NanoTime, PrimeTime, or Tempus.
- Experience in analog/mixed-signal circuit design from architecture to fundamental implementation.
- Experience in SRAM design.
- Experience in timing / SDC constraints generation and management.
- Good understanding of tool algorithms for noise glitch, cross-talk delay, and margining with POCV.
- Proficiency in scripting languages (Python, Tcl or Perl).
Skills: timing analysis, custom logic design, mixed-signal circuits, high-speed design, SPICE models
This role has been open 20 days — well below the 93-day median for Mixed-Signal Design roles.
Mixed-Signal Design · Mixed Signal
|
Open roles in category
154
|
Median days open
93 d
|
Median salary
$178k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Apple | All employers we track in this specialty (154 roles · 43 employers) |
|---|---|---|
| Open roles in this specialty | 2 | 154 |
| Open roles in the wider Analog & Mixed-Signal family | 39 | 1393 · 107 employers |
| Median days open | 20 d | 93 d (−73 d vs this employer) |
| Median salary (USD postings) | — | $178k |
Skills observed across this category: timing analysis, custom logic design, mixed-signal circuits, high-speed design, SPICE models
Who's hiring in this category
- Analog Devices · 24 open roles · median 76 d
- Infineon Technologies · 14 open roles · median 79 d
- SiTime · 11 open roles · median 188 d
- NVIDIA · 10 open roles · median 56 d
- Qualcomm · 8 open roles · median 56 d
- Broadcom · 7 open roles · median 40 d
How we counted: 154 open Mixed-Signal Design (Mixed Signal) roles from 43 employers tracked in the SemiconductorJobs index, counted 29 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 Analog & Mixed-Signal family row. Figures refresh nightly.