Ability to fabricate and assemble electromechanical and structural components and equipment from drawings and specifications; to use a personal computer; to communicate effectively both orally and in writing; to follow oral and written instructions; to work in, on, around, over and under fixed equipment and machinery; to manipulate heavy equipment, tools and supplies and/or exert force of to 50 lbs. to concurrently manipulate multiple controls on machinery and equipment; to work in hazardous or irritating environments, confined spaces, and adverse weather or temperature conditions; to wear and work in personal protective equipment. The Building Security Services unit within the Department of Public Safety (UMD police department) is tasked with managing the university's security systems for non-residential systems across campus including electronic access control, intrusion detection, security cameras, intercoms, door hardware, key systems, and blue light PERT (public emergency response telephones).