Google:
Software Engineer II (L3, new grad, 0 - 1+ years of experience)
Software Engineer III (L4, most new hires start here, 2+ years of experience)
Senior Software Engineer (L5, equivalent to Manager I, challenging to be promoted above this level)
Staff Software Engineer (L6, equivalent to Manager II, difficult-to-impossible to be promoted above this level)
Senior Staff Software Engineer (L7, equivalent to Senior Manager)
Principal Engineer (L8, equivalent to Director)
Distinguished Engineer (L9, equivalent to Senior Director)
Google Fellow (L10, equivalent to Vice President)
Senior Google Fellow (L11, equivalent to Senior Vice President)