Josefina Spencer

Machinists Mate/Mechanical Engineer

U.S. Navy Active Duty

Bremerton, WA

04.2017 - 04.2022

Wrote and revised maintenance procedures.
Performed quality mechanical drawing checks to confirm safe, compliant and cost-effective design criteria.
Provided technical guidance, peer review and mentorship to junior engineers engaged in building system designs.
Conferred with facility engineers to implement operating procedures, resolve system problems and provide technical information.
Operate, maintain, and repair (organizational and intermediate level) ship propulsion machinery, auxiliary equipment, and outside machinery, such as: main engines, distilling units, ships generators, reduction gears, and reboilers.
Operate and maintain reboilers, pumps, and heat exchangers; perform tests, transfers, and inventory of lubricating oils, fuels and water. Maintain records and reports, and may perform duties in generation and stowage of industrial gases.
Cleans and inspects fuel oil service pumps, lube oil; conducts salinity and conductivity indicator comparison tests; draws fluid samples.
Maintains components of stern tubes and air systems, diaphragm control valves, distilling plants, emergency shutdown devices, gland seals, heat exchanges, hydraulic systems, hydrostatic test pumps, jacking gears, main lube oil systems, manhole and hand hole seat gaskets, reducing stations, systems pumps, ventilation filters, water heaters.
Operates auxiliary exhaust and steam systems, bilge and stripping pumps, blow down systems, chill water systems, jacking gears, oil service pumps, shore steam systems.
Tests fuel oil service, standby and storage tanks for presence of water.
Responsible for operation, maintenance, and preservation of Propulsion Plants
Responsible for operation, maintenance, and preservation of two Reboilers, ten Shaft Alley Spaces, two Oily Water Separators and four Shore Service Sponsons. Assisted hydrostatic testing of #1 and #2 Reboiler in preparation for operational testing.
Responsible for preventive and corrective maintenance on all Damage Control equipment for Reactor Department throughout two Naval Nuclear Propulsion Plants.
Supervisor for firefighting and damage control division upon vessel. Expertly guided 16 Sailors in accomplishing 6,000 man-hours of work resulting in 7,000 successful preventive maintenance checks, 51 spot checks, and 129 material deficiencies corrected with zero rework ensuring Nimitz warfighting readiness during extended Fifth and Seventh Fleet deployment.