Principal Target Systems Engineer-Missile Defense Payloads

GovSG in Huntsville, AL seeks a Principal Engineer Target Systems to oversee payloads and countermeasure development, advising the program office through milestones from requirements to product acceptance. The role requires a Master's in STEM, 12+ years in missile defense or large DoD programs, active DoD Secret clearance, and proven ability to lead cross‑disciplinary teams, manage end-to-end lifecycles, and collaborate across agencies. Travel up to 20%.