Power Integrations is seeking a highly motivated Sr. Staff CAD Engineer to join their dynamic engineering team. This role involves developing and maintaining PDKs, supporting IC design CAD tools, performing software installation and license management, and working with IC layout designers. The responsibilities include developing custom Mentor Calibre DRC/LVS/xRC runsets, supporting design centers, and providing CAD support worldwide. The job requires expertise in tools like Cadence, and experience in PCELL and PDK development.