Careers Career Paths Navy Enlisted Hull Technician Job Description Navy Hull Technician Rating Descriptions and Qualification Factors Share PINTEREST Email Print Stocktrek Images / Getty Images Career Paths US Military Careers Technology Careers Sports Careers Sales Project Management Professional Writer Music Careers Media Legal Careers Government Careers Finance Careers Fiction Writing Careers Entertainment Careers Criminology Careers Book Publishing Aviation Animal Careers Advertising Learn More By Rod Powers Rod Powers Air Force NCO Academy Rod Powers was a retired Air Force First Sergeant with 22 years of active duty service. Learn about our Editorial Process Updated on 06/25/19 HTs or hull technicians do the metal work that's necessary to keep all types of shipboard structures and their surfaces in good condition. These technicians also maintain shipboard plumbing and marine sanitation systems. They repair small boats, operate and maintain ballast control systems, and manage the Quality Assurance Program. Duties Performed by Hull Technicians Installing, maintaining, and repairing valves, piping, plumbing system fittings and fixtures, and marine sanitation systemsRepairing decks, structures, and hulls through welding, brazing, riveting or caulkingExamining, testing welds, and various shipboard structures using radiological, ultrasonic, and magnetic particle testing equipmentFabricating with light and heavy gauge metal such as aluminum, stainless steel, sheet copper, sheet brass, steel, sheet, and corrugated ironHeat treating in hot and cold forming of metalsPipe cutting, threading, and assemblyRepairing installed ventilation ductingRepairing metal, wood and fiberglass boatsInstalling and repairing insulation and laggingOperating marine sanitation systems Work Environment Hull technicians work in a variety of situations both at sea and ashore. Sometimes their work is performed indoors in a shop environment, but at other times it might be performed outdoors, frequently at sea and in all kinds of climates and weather conditions. HTs might work in noisy environments on some assignments. USN HTs are stationed primarily aboard USN deploying ships, while full-time support (FTS) HT's are typically stationed aboard Naval Reserve Force (NRF) ships that deploy or conduct local operations. Training and Other Requirements This position requires attending a job school for a period of eight weeks at Great Lakes, Illinois. An ASVAB score of VE + AR + MK + AS = 200 or MK + AS + AO = 150 is required. Secret security clearance is required. Applicants must additionally have normal vision color perception. They must have normal hearing and be U.S. citizens. The hearing requirement is tested at frequencies of 3000hz, 4000hz, 5000hz, and 6000hz. Your average hearing threshold level in these four frequencies must be less than 30db with no level greater than 45db in any one frequency. If an applicant's hearing level exceeds these limits, he is ineligible for the rating. Sub-Specialties and Manning Levels Sub-specialties available for this rating include the Navy Enlisted Classification Codes for HT. Manning levels can change from time to time. An explanation of manning levels for this rating can be found in the CREO listing. Advancement Potential Advancement and promotion opportunities and career progression are directly linked to a rating's manning level. For example, personnel in undermanned ratings have greater promotion opportunity than those in overmanned ratings. Sea/Shore Rotation for This Rating First Sea Tour: 54 monthsFirst Shore Tour: 36 monthsSecond Sea Tour: 54 monthsSecond Shore Tour: 36 monthsThird Sea Tour: 36 monthsThird Shore Tour: 36 monthsFourth Sea Tour: 36 monthsForth Shore Tour: 36 months Sea tours and shore tours for sailors that have completed four sea tours will be 36 months at sea followed by 36 months ashore until retirement. Much of the above information is courtesy of the Navy Personnel Command.