CAD Automation and Mixed-Signal Simulation Engineer at Apple | Austin, TX, US | Rezi

CAD Automation and Mixed-Signal Simulation Engineer at Apple

CAD Automation and Mixed-Signal Simulation Engineer

Apple · Austin, TX, US

2 days ago

CAD Automation and Mixed-Signal Simulation Engineer

Apple · Austin, TX, US

3 days ago
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About the Role

Develop, maintain, and enhance AMS (Analog/Mixed-Signal) simulation methodology and tools for analog, RF, interconnect, PMIC, and memory design teams. Enable design engineers to efficiently drive and interact with mixed-signal simulations and design verification workflows, delivering validated IP in cutting-edge silicon. Contribute to the development of future generations of processors that will enable the next remarkable Apple innovation.

Responsibilities

  • Architect, develop, maintain and enhance AMS (Analog/Mixed-Signal) simulation methodology and solutions for analog, RF, and mixed-signal designs.
  • Work with different technology nodes and provide flows/methodologies for different tool sets.
  • Collaborate closely with design teams.
  • Drive and coordinate efforts to develop and validate AMS/co-simulation flows, providing ease of use, speeding up design validation, and ensuring functional silicon.

Requirements

  • Bachelor's degree in Computer Science, Electrical Engineering, Computer Engineering, or related field.
  • Experience in Python, Perl, or TCL programming.
  • Experience using mixed-signal co-simulation tools.
  • Experience with industry-standard AMS tools including Cadence (Xcelium, Verisium/Indago, SimVision, AMS Designer), Synopsys (VCS, Verdi), or Siemens (Questa, Symphony).
  • Familiarity with analog simulation tools such as Cadence Spectre, Synopsys PrimeSim/HSPICE/Finesim, or Siemens AFS.
  • Ability to identify and address simulation accuracy, speed, and capacity issues.
  • Experience with mixed-signal simulation implementation including discipline resolution, binding, IE setup, Connect Modules, AMSD blocks, wreal, TCL probes, real number modeling, UDNs, etc.
  • Understanding of behavioral and functional circuit description languages including SystemVerilog, VerilogA, Verilog, Verilog-AMS, VHDL.
  • Familiarity with applying LLMs/AI agents to CAD software development, test generation, and debugging.
  • Understanding of custom IC designs and transistor description formats (SPICE, DSPF, schematics).
  • Fundamentals in object-oriented programming, data structures, algorithms, system architecture, command-line and GUI interaction, testing/coverage, and revision control.
  • Familiarity with Virtuoso Schematic Editor, PDK content, CDF properties, hierarchy editor, SKILL code, netlisting, and Analog Design Environment (ADE).
  • Strong communication and presentation skills.
  • Demonstrated commitment to quality and productivity.

Skills

  • CAD flow development
  • Collaboration
  • AMS simulation methodology
  • Tools development
  • Circuit analysis
  • Pre and post-layout simulation
  • RTL simulation
  • Behavioral modeling
  • Analog+digital co-simulation
  • Logic equivalency checks
  • Signoff
  • Python
  • Perl
  • TCL
  • Mixed-signal co-simulation
  • Cadence Xcelium
  • Cadence Verisium/Indago
  • Cadence SimVision
  • Cadence AMS Designer
  • Synopsys VCS
  • Synopsys Verdi
  • Siemens Questa
  • Siemens Symphony
  • Cadence Spectre
  • Synopsys PrimeSim/HSPICE/Finesim
  • Siemens AFS
  • SystemVerilog
  • VerilogA
  • Verilog
  • Verilog-AMS
  • VHDL
  • LLMs/AI agents
  • Custom IC design
  • SPICE
  • DSPF
  • Schematics
  • Object-oriented programming
  • Data structures
  • Algorithms
  • System architecture
  • Command-line interaction
  • GUI interaction
  • Testing/coverage
  • Revision control
  • Virtuoso Schematic Editor
  • PDK content
  • CDF properties
  • Hierarchy editor
  • SKILL code
  • Netlisting
  • Analog Design Environment (ADE)

Location

  • USA

Work Type

  • Full-time

Experience Level

  • 0+ years of experience

Education Level

  • Bachelor's degree in Computer Science, Electrical Engineering, Computer Engineering, or related field

About the Company

  • Apple designs and builds the world's best personal computers, mobile devices, and digital music players, with a revolutionary approach to the industry that's unlike anything the world has ever seen.