If you are on active duty and expect to be discharged or released from active duty service within 120 days, you may submit a Certificate of Release or Discharge from Active Duty from the appropriate Branch Personnel Office containing the following information: (1) the military service dates including the expected discharge or release date; (2) and the character of service (must be an honorable or general discharge); and (3) any qualifying service/campaign/expeditionary medals. Maintains the physical security of the institution through installation, maintenance and repairs of an array of electronic systems inclusive, but not limited to, PBX telephone switch, trunked radio systems, fire alarm systems, perimeter detection systems, programmable logic controllers and CCTV/DVR systems.