Summary This vacancy is for a GS-1801-13, Senior Marine Investigator located in the Department of Homeland Security, U.S. Coast Guard, SECTOR NORTHERN GREAT LAKES COMMAND CADRE in SAULT STE MARIE, Michigan. Responsibilities You will serve as a Senior Marine Investigator and be responsible for performing its operational activity by providing leadership and management support. All mission essential materials are available and operationally ready for use and appropriate information and guidance is available, current, and accessible to execute the mission. Being a Coast Guard civilian makes you a valuable member of the Coast Guard team. Typical work assignments include: Investigating deaths, injuries, property loss, and environmental damage to determine the associated organizational factors, human performance, equipment, and environmental causal and defense. Providing input to the COTP/OCMI regarding most appropriate level of investigative effort and subsequent enforcement actions or crimi...