
Physical Synthesis CAD Engineer
Required skills
- TCL
- Python
- Perl
- Synthesis tools
- Fusion Compiler
- Genus
- CAD Tools
- flow
Nice to have
- Implementation flows
- methodologies
- PNR
- STA sign-off
- Innovus
- RTL structures
Role summary
This role focuses on physical synthesis for Apple's processors, aiming to enhance performance and power efficiency in iPhones, iPads, and Macs. The engineer will develop and improve implementation flows from RTL to GDS signoff, creating innovative scripts and automation to solve synthesis challenges. Responsibilities include partnering with design teams, developing methodologies and tools for PPA optimization, and validating techniques through full flow validation. The role involves collaborating with EDA vendors to influence tool roadmaps and deliver solutions for millions of devices. Requires a BS degree and 10 years of relevant industry experience.
Description
You'll own the synthesis challenges that matter most to Apple Silicon. You will apply your hands-on skills in developing, improving and supporting the implementation flow from RTL through GDS signoff. You will be directly responsible to improve physical synthesis techniques through innovative scripts, flows and automation. As the synthesis and flow expert, you'll partner closely with design teams to define what works best for their specific challenges. You'll develop the methodologies, tools, and optimized flows that enable design teams to achieve breakthrough PPA results. You'll push beyond conventional synthesis limits - developing innovative techniques and proving their effectiveness by running full validation flows from RTL through place-and-route and timing signoff to show actual PPA improvements. Your optimizations will directly translate to faster, more efficient Apple devices. You'll work directly with EDA vendors to shape tool roadmaps, build custom solutions for problems that push beyond industry standards, and see your work ship in millions of devices.
Minimum Qualifications
Experience with TCL, Python or Perl scripting languages Experience with industry standard Synthesis tools such as Fusion Compiler or Genus Experience working with CAD Tools & flow Minimum requirement of BS + 10 years of relevant industry experience
Preferred Qualifications
Demonstrated experience in Implementation flows and methodologies (Synthesis, PNR, STA sign-off) Hands on knowledge of industry standard Synthesis and PNR tools like Genus and Innovus Ability to analyze RTL structures and identify optimization opportunities Solid understanding of Extraction and STA methodology and tools Experience with Power Analysis tools like PTPX is a plus Proficiency with TCL, Python or Perl scripting languages strongly preferred
Sample Apple interview questions
- 1
Design a typeahead box for a search engine
system designmedium - 2
Design a rate limiter
system designmedium - 3
Architect a key-value store for distributed systems.
system designmedium - 4
Design a system to schedule jobs in a distributed environment
system designmedium - 5
What is an API and how does it work?
technicalmedium
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