Sr Principal Manufacturing Engineer

This senior manufacturing engineering position focuses on optimizing the production of sophisticated medium-caliber gun systems within Northrop Grumman's Armament Systems Division. The engineer serves as a critical technical liaison between design engineering, production teams, and external suppliers, ensuring that designs are both manufacturable and cost-effective throughout the product lifecycle. Responsibilities include reviewing and improving designs for assembly efficiency, preparing technical proposals for product enhancements, managing non-conforming part dispositions, and supporting supplier development and manufacturing trade studies. This role suits experienced manufacturing engineers with deep knowledge of mechanical design, machining processes, and defense industry specifications who can influence product decisions early in development and maintain strong technical relationships across the organization.