Perform onsite or remote witness testing and troubleshooting of various devices including SEL-751, SEL-351S, SEL-651R, SEL-487E, SEL-487B, SEL-487V, SEL-411L, SEL-311L, SEL-421, SEL-2411, SEL-2440, SEL-2730M, GE L90, S-PRO 4000, and other typical relays throughout transmission and distribution systems after being trained. Use Doble or Omicron test sets and software to create test plans, perform onsite testing, and create testing reports for relays, meters, I/O modules, as well as SEL RTACs.