Sitting, standing, strenuous walking, bending, stooping, and climbing; lifting and carrying up to 50 pounds; working indoors and outdoors in hot and cold temperatures; exposure to dust, fumes, toxic chemicals and materials, and damaged electrical/electronic devices; working on ladders, scaffolding, and lifts; working on slippery and uneven surfaces. Ability to reason through complex system problems; maintain concentration during assembly and repair of energized lines and equipment; maintain emotional control and work effectively under pressure; communicate effectively with stakeholders; and work safely around students and educators in a school environment.