- Longenecker & Associates (Aiken, SC)
- OVERVIEW Longenecker & Associates (L&A) is seeking a Principal Engineer Mechanical Process Design to work at SRNS in Aiken, SC. L&A is a woman-owned ... to: Process Flow; Piping and Instrumentation Diagrams; System Descriptions; Mechanical Equipment Lists; Mechanical Equipment Sizing; Pipe and Valve⦠more