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Darren Sims, P.E. is a Senior Protection and Controls Engineer at Tucson Electric Power, where employment has continued since 2005. Prior experience includes serving as an Integration and Test Engineer at Raytheon Missile Systems from 1998 to 2005 and as a Project Engineer at IOTA Engineering from 1995 to 1998. Educational qualifications include a Bachelor of Science in Electrical Engineering obtained from the University of Arizona from 1990 to 1995.