While performing duties of this job, the employee is occasionally required to stand and/or walk for long periods at a time, sit, use of hands and fingers, handle, or feel objects, tools or controls, reach with hands and arms, climb stairs, climb ladders, balance, stoop, kneel, crouch or crawl, talk or hear, or smell. Leads and prepares design criteria documents, calculations, drawings and specifications for electrical systems including power distribution, standby power, lighting, communications, fire alarm, security and various other special systems.