Role Summary: The Principal Mechanical Engineer provides senior-level technical leadership for the design, development, and sustainment of complex valve and actuator products. This role may be based at a Flowserve site such as Houston, TX; Cookeville, TN; Vernon, CA; or Lynchburg, VA, and for highly qualified candidates, remote work may also be considered. The position focuses on advanced mechanical design, CAD modeling, casting and forging development, engineering documentation, and manufactur