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Physical Design Engineer

Apple•Cupertino, CA
•$174,149 - $225,300

About The Position

Apple Inc. is hiring a Physical Design Engineer to work in Cupertino, California, and various unanticipated locations throughout the United States. The role works with logic design teams to understand partition architecture and address physical design considerations early in the design cycle. It is responsible for netlist-to-GDS2 implementation, timing and physical/electrical verification, and signoff closure for design partitions, while resolving physical design and flow issues and driving solutions. The engineer serves as a focal point for place-and-route work, coordinating engineers, goals, milestones, schedules, and dependencies across domains such as top-level design, STA, and block place and route. The role also develops and drives physical-design methodologies, best-known methods, guidelines, and checklists, and tracks execution. It involves frontend and backend implementation from RTL to GDS2, including synthesis, formal verification, floor planning, netlisting, timing constraints, timing and power convergence, and ECO implementation. The engineer performs hands-on physical implementation and timing closure for core platforms and SoCs, supports ASIC vendors, streamlines timing signoff criteria and analysis methodologies, and develops or enhances ECO-generation scripts. The role includes floor planning, physical synthesis, and closure of large, complex designs operating at 1 GHz or higher, as well as physical-design and timing convergence at block, cluster, and/or full-chip level for high-frequency, low-power designs. The position is 40 hours per week.

Requirements

  • Master’s degree or foreign equivalent in Electrical Engineering, Electrical and Computer Engineering, or a related field.
  • Two years of experience in the job offered or a related occupation.
  • Experience or education using PNR tools such as ICC, ICC2, or Innovus for SoC partition place and route, including floor planning, placement, clock optimization, routing, and timing and power optimization.
  • Experience or education using timing-analysis tools such as Synopsys PrimeTime for timing analysis and timing ECO generation for SoC partition closure.
  • Experience or education using TCL, Perl, or Python and Unix scripting to summarize data, improve execution efficiency, and implement custom scripts for partition closure.
  • Understanding of physical-design construction and analysis flows and methodologies sufficient to execute, close, and sign off SoC partitions.
  • Understanding of transistors and digital circuits to meet requirements and make implementation, closure, and signoff trade-offs.
  • Ability to interpret EMIR analysis results from tools such as Voltus or Redhawk and generate fixes for violations or QoR improvement.
  • Ability to interpret physical-verification results from tools such as Calibre and generate fixes for violations.
  • Ability to interpret LEC and low-power verification results from tools such as Conformal, Formality, VCLP, and CLP, and make fixes to address violations.

Responsibilities

  • Work with logic design teams to understand partition architecture and drive physical design considerations early in the design cycle.
  • Complete netlist-to-GDS2 implementation for partitions while meeting schedules and design goals.
  • Own timing, physical, and electrical verification and drive signoff closure for partitions.
  • Resolve physical-design and flow issues by identifying potential solutions and driving their execution.
  • Coordinate place-and-route work among engineers; establish goals and milestones, plan short- and long-term work, and understand dependencies across top-level design, STA, and block place-and-route domains.
  • Drive physical-design methodologies and best-known methods; develop guidelines and checklists, oversee execution, and track progress.
  • Drive timing closure using physical synthesis and place-and-route tools, working with ASIC vendors.
  • Drive frontend and backend implementation from RTL to GDS2, including synthesis, formal verification, floor planning, netlisting, timing constraints, timing and power convergence, and ECO implementation.
  • Perform hands-on physical implementation and timing closure for core platforms and SoCs.
  • Improve timing signoff criteria, timing-analysis methodologies, and flows, and develop or enhance ECO-generation scripts for timing closure.
  • Perform floor planning, physical synthesis, and physical-design closure for large, complex designs with clock cycles at 1 GHz or higher.
  • Drive physical-design and timing convergence for high-frequency, low-power designs at block, cluster, and/or full-chip level.
  • Use PNR tools such as ICC, ICC2, or Innovus for place and route, including floor planning, placement, clock optimization, routing, and timing and power optimization.
  • Use timing-analysis tools such as Synopsys PrimeTime for timing analysis and timing ECO generation.
  • Use TCL, Perl, Python, and Unix scripting to summarize data, improve execution efficiency, and create custom scripts that support partition closure.
  • Interpret EMIR analysis results from tools such as Voltus or Redhawk and generate fixes for violations or QoR improvement.
  • Interpret physical-verification results from tools such as Calibre and generate fixes for violations.
  • Interpret LEC and low-power verification results from tools such as Conformal, Formality, VCLP, and CLP, and make fixes to address violations.

Benefits

  • Comprehensive medical coverage
  • Dental coverage
  • Retirement benefits
  • Discounted products and free services
  • Reimbursement for certain educational expenses, including tuition, for formal education related to advancing a career at Apple
  • Opportunity to participate in discretionary employee stock programs, including restricted stock unit awards and discounted stock purchases through the Employee Stock Purchase Plan
  • Potential eligibility for discretionary bonuses or commission payments
  • Potential relocation assistance

Career Resources

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