Charlene has offered design engineering services for over 40 years, with two stints as a small business owner providing ECAD and MCAD services for engineering research, hardware, and manufacturing development. She has 9 years of experience as an instructor and consultant for Dell Technologies and other high-tech companies. She was an Adjunct Professor at Austin Community College teaching PCB design, electrical engineering, and technical drafting. 

Since March 2011, Charlene is owner and president of Cedar Park, Texas based McCauley Design Group, LLC. She leads a team of PCB and mechanical designers that developed the first designs and boards utilizing the next generation DDR computer memory, including Dell CAMM and Calxeda’s EnergyCore ARM Server.

Charlene was employed nine years at Dell, as an ECAD senior-level PCB designer for the Dell 8th through 12th generation rack, tower, blade server, and storage systems. During that time with Dell, she implemented various processes and design procedures, and developed Dell's first ECAD external design services model program.

From 1990 to 1998, Charlene maintained a customer base of 40 businesses while she was president of Production Graphics Co., Inc., and her company provided ECAD and MCAD services for the NASA space shuttle, military aircraft, radars, satellite launch systems, and medical blood analyzer systems.

Before Production Graphics, she worked over 4 years for two different service bureau companies as a CAD supervisor providing mechanical, PCB, and electrical designs for the flight simulator, military, and oil and gas industry, and as a Calay V04/DEC UNIX designer providing PCB designs for multiple US-based companies. In her early years, she worked in the oil and gas industry as a PCB, mechanical, and electrical designer.