Job Summary  Having pioneered many new power converter topologies and unique control algorithms, Power Integrations is now transforming the AC/DC power conversion market with its highly integrated controller ICs and proprietary high voltage Gallium Nitride (GaN) transistor technology enabling previously unattainable levels of energy efficiency and power density.    We are seeking a highly motivated Sr. Staff CAD Engineer to join our dynamic engineering team in capitalizing on this market transformation.    Duties and Responsibilities  Develops and maintains PDKs.Supports all IC design CAD tools such as Cadence schematic entry, mixed mode circuit simulation, layout design, layout verification, logic synthesis, place & route, SKILL code development and developing custom Mentor Calibre DRC/LVS/xRC runsets for in-house proprietary processes.Performs software installation, license management, user support and vendor interface.Works with IC layout designers providing support for taping out physical designs and support device engineers developing PCELLs and power device layouts.  Requirements  Bachelor's degree in Electrical Engineering, Electronics Engineering or Computer Science12 years of experience (10 years if with master's degree)PCELLs developmentPDK development for in-house processesDevelopment of DRC/LVS/xRC runsetsIntimate knowledge of Caliber LVS, DRC and RCX menus and capabilitiesProficiency in Skill and/or other scripting languagesExperience with Encounter P&RExperience with Cadence VSR & EMIRUnderstanding Semiconductor Process FlowIn-house CAD Support for worldwide Design CentersExcellent communication abilityFamiliarity with Perl and/or Python programming