Senior Principal IO Engineer - 2364444 EMPLOYER: Optum Services Inc. JOB TITLE: Senior Principal IO Engineer LOCATION: 1 Optum Circle, Eden Prairie, MN 55344 (Telecommuting available from anywhere in the U.S.) DUTIES: Research, design, and develop computer and network software or specialized utility programs. Duties to include: Help teams architect scalable, highly available application solutions that leverage our platform services; Architect and develop customer applications to be cloud opt