COMSEC/C5ISR TECHNICIAN Mannheim Vollzeit Amentum … Performs field and sustainment level maintenance support of COMSEC / C5ISR equipment in order to meet the requirements and standards set forth by the … Purpose: Performs field and sustainment level maintenance support of COMSEC / C5ISR equipment in order to meet the requirements and standards set … MOS – 2171, 2831 or 2805 Warrant Officer. Navy & Coast Guard – Electronics Technician (ET) or Electronics Warrant (ELC). 3. To qualify without a DD214 …Comsec C5isr Technician