As a Cognizant System Engineer/Technical Authority for assigned systems, coordinates configuration management activities, assesses system health and performance, and provides overall technical responsibility for plant system operability and maintenance activities. Works in conjunction with the Configuration Management program for the assigned system(s). Prepares configuration control/design change packages for tasks; evaluates the impact of proposed changes and/or modifications to approved safety authorization bases for facilities; and performs troubleshooting and improvement activities. Applies the systems and equipment expertise needed to resolve technical system and equipment issues in cooperation with other related disciplines. Electrical positions require knowledge of electrical systems with a preferred knowledge in one of the following: manufacturing process equipment, industrial electrical equipment, facility related electrical systems, electromagnetics, electrostatic discharge, and/or lightning protection. Mechanical positions require knowledge of electro-mechanical systems with a preferred knowledge in one of the following: manufacturing process equipment, industrial mechanical equipment or facility related mechanical systems. Process Engineers function as the Subject Matter Expert (SME) on weapon operation processes and associated procedures. They perform duties and tasks that are vital to ensuring the reliability and integrity of the nation's nuclear weapons stockpile. Process Engineers ensure weapon operation processes comply with customer specifications and requirements, including Design Agency requirements and safety basis requirements. Process Engineers are responsible for achieving approval for readiness assessments on new processes, including supervision during the conduct of start-up plans and ensure tests are conducted as written. They develop, maintain, and lead implementation of new weapon processes and changes on existing weapon processes. Process Engineers perform process studies and evaluations and lead efforts to resolve technical issues that may impact production, quality, efficiency, capability, and capacity. They participate and advise in training to operations personnel and maintain process description and work procedure documents.