JOB SUMMARY: The typical seasonal entry-on-duty period is April to June but can be variable during these months due to weather conditions, project needs, or funding. Anticipated Entry on Duty: April 2025. MAJOR DUTIES: Duty Station: San Francisco Maritime National Historical Park, San Francisco, CA The incumbent will work on an operating traditionally rigged, schooners and square-rigged sailing vessel. Duties include: Going aloft. Rigging and handling sails. Striking gaffs, booms, yards and topmasts to deck and sending them back aloft. Working the capstan. Striking and rigging blocks and running rigging. Tensioning standing rigging. Repairing and making new both running and standing rigging, using the traditional skills of worming, parceling, serving, splicing, seizing, and tarring. Cyclic rig maintenance is a large portion of the summer seasonal workload, tarring all the historic ships' rigs (once at the start of the season and again at the end) and slushing and/or painting masts, topmasts, trestles, trees and tops and spars. Physical Demands: Frequently exerts heavy physical effort by lifting, carrying, pushing and pulling objects up to 100 pounds, and more with assistance, sometimes using their entire body weight to load tag lines or move suspended loads into position. Incumbent works with and around power equipment, in close, narrow, confines and from decks, masts, yards, booms, scaffolds, ladders and boatswain chairs and must independently climb up to 150 feet aloft where slippery and unstable footing and awkward and uncomfortable positions are often necessary. Working Conditions: Incumbent works inside and outside in all types of weather, usually in and around historic ships and on museum docks in full view and alongside of the general public. Incumbent must use care in working with specific tools and equipment to prevent serious accidents. Incumbent may be required to work various days and hours, shift work, and be required to operate a motor vehicle as part of these duties. Must wear prescribed maintenance uniform and safety equipment according to established standards. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.