Knowledge of electrical and light-wave communications on buried and underground copper core, coax and fiber optics communications, LAN systems and knowledge of electrical and light-wave communications of copper core, coax and fiber optic splicing, splicing diagrams, techniques and sealing cables. The primary purpose of this position is to install, modify, splice, troubleshoot, and repair underground and buried copper (to include Local Area Network Category 5 cabling), coaxial, and fiber optic telecommunications cable system and perform preventive maintenance on the system to include antenna systems.