By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in Mc Lean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

A Power Subject Matter Expert is needed to provide power systems engineering support for Defense Information System Network (DISN) infrastructure, encompassing both core DISN requirements and customer-funded projects. The candidate will provide subject matter expertise throughout the power system lifecycle, including the design, analysis, maintenance, and troubleshooting of both alternating current (AC) and direct current (DC) power systems to ensure uninterrupted, reliable, and efficient power delivery to critical DISN systems. The Contractor must stay current with, and ensure all work strictly complies with the requirements of all applicable industry standards and regulatio...