Rylex Consulting is looking for Principal Systems & Integration Engineer in Sterling, VA. This local job opportunity with ID 3742846112 is live since 2026-07-05 11:28:18. Our client is seeking a Principal Systems and Integration Engineer (SE&I), providing enterprise-wide systems engineering and integration support to an operational government customer within the Intelligence Community. This position manages moderately sized projects or processes with minimal oversight and provides measurable input to new products, processes, or standards in operational plans to implement customer integrations and/or objectives. The position works in a SCIF environment with flexible work hours to accommodate work/life balance practices. read more