Job description

[app.ashbyhq.com] STANDARD CELL DESIGN LEAD Substrate is addressing one of the most important technological problems facing the United States. At the intersection of advanced manufacturing and cutting-edge physics, we are developing technologies that will reshape the semiconductor industry and strengthen America's technological leadership. We are a team of world-class scientists, engineers, and technical experts building technology for the United States. SUMMARY As a Standard Cell Design Lead, you will develop and optimize standard cell libraries while leading cell characterization and library validation efforts. This role requires deep expertise in digital cell design, layout, and timing characterization combined with strong understanding of library requirements for digital design flows. You will work across multiple locations including external fabrication facilities. This is a full-time, onsite position. RESPONSIBILITIES - Lead standard cell library development including logic gates, flip-flops, and complex cells - Optimize cell layouts for power, performance and area across Vth’s and drive strengths - Characterize cell library including timing, power, and noise analysis for library models - Develop Liberty (.lib) timing files and LEF physical abstractions for EDA tool integration - Collaborate with PDK and process teams to ensure cell performance meets targets - Implement DFM techniques and validate cells against DRC/LVS rules - Support all DFT fault models including cell aware, physical aware, stuck-at and transition - Optimize cell architectural requirements including multi-Vt and multi-channel options - Lead library validation and qualification across distributed design and fabrication teams REQUIRED QUALIFICATIONS - 10+ years experience in standard cell design, library development and characterization - Deep understanding of standard cell architecture, layout, and optimization strategies - Strong background in cell characterization and Liberty timing model generation - Experience with layout tools (Cadence Virtuoso, Synopsys Custom Compiler, or similar) - Proficiency with characterization tools and SPICE simulation for timing/power analysis - Proven ability to balance area, performance, and power trade-offs in cell design PREFERRED QUALIFICATIONS - Advanced degree in Electrical Engineering or related field - Experience with advanced node standard cells or FinFET/GAA library development - Background in low-power design techniques and multi-threshold voltage libraries - Familiarity with EDA flows and library integration requirements - Experience in research-driven or startup semiconductor environments Salary Range $150,000-$275,000 USD Substrate is an equal opportunity employer. It provides equal employment opportunity to all applicants without regard to race, color, religion, national origin, disability, medical condition, marital status, sex, gender, age, military or veteran status, or any other characteristic protected by applicable federal, state, or local laws. Substrate will provide reasonable accommodations to applicants with disabilities. If you need an accommodation during the hiring process, please let your recruiter know. Applicants must be legally authorized to work in the United States. This position is not eligible for visa sponsorship.

Requirements

Must-haves

Lead standard cell library development including logic gates, flip-flops, and complex cells
Optimize cell layouts for power, performance and area across Vth’s and drive strengths
Characterize cell library including timing, power, and noise analysis for library models
Develop Liberty (.lib) timing files and LEF physical abstractions for EDA tool integration
Collaborate with PDK and process teams to ensure cell performance meets targets
Implement DFM techniques and validate cells against DRC/LVS rules
Support all DFT fault models including cell aware, physical aware, stuck-at and transition
Optimize cell architectural requirements including multi-Vt and multi-channel options
Lead library validation and qualification across distributed design and fabrication teams
10+ years experience in standard cell design, library development and characterization
Deep understanding of standard cell architecture, layout, and optimization strategies
Strong background in cell characterization and Liberty timing model generation
Experience with layout tools (Cadence Virtuoso, Synopsys Custom Compiler, or similar)
Proficiency with characterization tools and SPICE simulation for timing/power analysis
Proven ability to balance area, performance, and power trade-offs in cell design
Substrate will provide reasonable accommodations to applicants with disabilities. If you need an accommodation during the hiring process, please let your recruiter know.
Applicants must be legally authorized to work in the United States. This position is not eligible for visa sponsorship.

Nice-to-haves

Advanced degree in Electrical Engineering or related field
Experience with advanced node standard cells or FinFET/GAA library development
Background in low-power design techniques and multi-threshold voltage libraries
Familiarity with EDA flows and library integration requirements
Experience in research-driven or startup semiconductor environments

Application prep

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Platform: ashby
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