10,000+ Principal R D Engineer jobs in Irvine, CASet Job AlertWant more jobs like this?We’ll send you jobs that match this search criteria. Get jobs in Irvine, CA delivered to your inbox every week.Enter emailSend me The Muse newsletters for the best in career advice and job search tips.Get Jobs!By signing up, you agree to our Terms of Service & Privacy Policy.Principal R&D EngineerAt Johnson & Johnson -Irvine, CA + 1 locationPosted on Dec 6View JobPrincipal Electrical Engineer IIAt Alcon -Mission Viejo, CAPosted on Nov 21View JobR&D Engineer II - Circuit Solver Team - RemoteAt Ansys -Irvine, CA / Remote + 22 locationsPosted on Nov 12View JobSpecialized Tax Services - Research & Development (R&D Tax) Senior ManagerAt PwC -Irvine, CA + 27 locationsPosted on Oct 9View JobAudio Production EngineerAt Apple -Santa Ana, CAPosted on Dec 10View JobPrincipal Supplier Engineer (Optics)At RTX -Anaheim, CAPosted on Dec 11View JobPrincipal Software Engineer (eInfochips Inc.)At Arrow Electronics -Irvine, CAPosted on Nov 16View JobPrincipal R&D EngineerAt Johnson & Johnson -Irvine, CAPosted on Dec 11View JobPrincipal Electrical Engineer IAt Alcon -Mission Viejo, CAPosted on Nov 21View JobMedia Network EngineerAt Apple -Santa Ana, CAPosted on Dec 10View JobPrincipal Hardware Engineer(eInfochips Inc.)At Arrow Electronics -Irvine, CAPosted on Nov 23View JobSenior Engineer, R&DAt Johnson & Johnson -Irvine, CAPosted on Dec 13View JobPrincipal Reliability EngineerAt Alcon -Mission Viejo, CAPosted on Dec 10View JobStaff Engineer, R&DAt Johnson & Johnson -Irvine, CAPosted on Dec 13View JobSenior Engineer - EMC/EMI Electromagnetics - R&D, Modeling and SimulationAt Alcon -Mission Viejo, CAPosted on Oct 15View JobSenior Manager R&D ConsumablesAt Johnson & Johnson -Irvine, CAPosted on Dec 11View JobSummer 2025 - R&D Surgical Software Engineering InternAt Alcon -Mission Viejo, CAPosted on Dec 5View JobProduct Development Manager, R&DAt Johnson & Johnson -Irvine, CAPosted on Dec 11View JobR&D Postdoctoral Product DevelopmentAt Johnson & Johnson -Irvine, CAPosted on Nov 21View JobResearch & Development Leadership Development Program (RDLDP)- 2025 Summer InternshipAt Johnson & Johnson -Irvine, CA + 9 locationsPosted on Sep 23View Job