Sev1Tech is seeking a Software Engineer for the Naval Supply Systems Command (NAVSUP) Ordnance Information System (OIS) program based in Mechanicsburg, PA, and Yorktown, VA, as they modernize their legacy IT systems. This role will bring strong systems, software, cloud, and SAFE/Agile experience to provide technical expertise on a mission-critical program whose purpose is to develop and modernize OIS mission critical systems. In this hands-on position, you will work collaboratively to build, deliver, and enhance highly available, scalable, real-time systems. You will participate in all aspects of the software development lifecycle of a mission critical product including scope and work estimation, coding, and unit testing. The right candidate will be working with our program's developers, engineers, operations, and integration teams to support a complex program to provide Agile development and operations and maintenance on a mission-critical program. This position can be remote but visits to customer site will be required. Currently, customer site visits for Program Increment Planning occur two (2) times per year.