Many employers look for OSHA 10 or 30, CPR/First Aid, RF Safety, and NWSA TTT-1 or TTT-2. Where do tower technicians work? Common employers include wireless infrastructure companies, telecom carriers, construction and maintenance contractors, and government or military. NWSA representatives initially defined two levels of telecommunications tower technicians for crew members who perform general construction activities with an emphasis on tower system installation, modification, maintenance, and inspection of support structures used in telecommunications, including. The online tower technician program at Pinnacle Career Institute is designed to provide students with a broad knowledge of telecommunications maintenance and modifications necessary for entry-level employment as a tower technician. Our tower technician course includes tower climbing certification. Tower Safety™ Offers the NWSA (National Wireless Safety Alliance) TTT 1 and TTT 2 Tower Safety Online Prep Exam. It's a challenging, outdoor career that combines technical skill with physical endurance. What does a tower. The Competent Climber and Rescue course teaches the cell tower worker on various fall protection rescue equipment and how to properly set up tower rigging, cell tower victim rescue, mechanical advantages, and self rescue, along with proper emergency care and risks.