p>You must hold or have held a U.S. Merchant Mariner credential in the grade of 2nd Assistant Engineer, Unlimited with STCW endorsement as Officer In Charge of an Engineering Watch or higher; 3rd Assistant Engineer Unlimited with STCW endorsement as Officer In Charge of an Engineering Watch with a minimum of 2 years as an engineer officer on vessels of at least 4000 horsepower; OR Chief Engineer, Limited, Assistant Engineer, Limited or DDE Unlimited with STCW endorsement as Officer In Charge of an 6 Engineering Watch (or higher) with minimum of 2 years experience under the authority of the credential on vessels of at least 4000 horsepower. Status Candidates, Merit Promotion, Current Federal Employees, Former Federal Employees, Overseas Employees, Former Overseas Employees, CTAP, ICTAP, VRA , VEOA, 30% Disabled, Schedule A, Individuals with Disabilities, Military Spouses, Land and Base Management, Peace Corps, Americorps, Vista For definitions of common terms found in this announcement: http://dhsconnect.dhs.gov/org/comp/mgmt/dhshr/hr/Documents/JOA_Common_Definitions.pdf.