Nokia of America Corporation, Principal Software Specialist, (Multiple Positions), Naperville, IL. SALARY RANGE $145,463 $226,673 per year WORK SCHEDULE 40 hours per week, M F (9 00 a.m. 5 00 p.m.) Nokia of America Corporation, Principal Software Specialist, (Multiple Positions), Naperville, IL. Perform software design for call processing development supporting 4G/5G MME/