• Maintain the Blow Out Preventer (BOP) Diverter• associated subsea equipment in accordance with the Rig Maintenance System (RMS) guidelines• Operate and pressure test the BOP on the surface, and subsea as required• Direct and asst the deck, and drill crews in the running/ recovery of the BOP• Direct and asst the assembly, installation, and nippling down of the BOP and all well control equipment as required• Operate, maintain and repair the subsea BOP control system, i.e. surface BOP or multiplex electro-hydraulic control Systems• Operate, maintain, and test hydraulic connectors Maintain BOP handling equipment, testing equipment, and wellhead equipment. Operate/ service the bridge cranes, and related hoisting equipment• Ensure that the riser pipe system is serviced and tested as required• Operate, and maintain the diverter system and the running/ handling tools• Assist in running/testing the wellhead, casing hangers, and seal assemblies• Ensure that the required riser tensioning pressure is set to comply with the mud weight in use• This includes additional tension to ensure proper liftoff in an EDS situation• Monitor and maintain the riser tensioners• Maintain accurate daily log sheets relevant to the subsea equipment• Maintain records of BOP and associated equipment tests• Maintain records of inspection, and certification of subsea equipment• Asst with an adequate supply of spares are maintained to fulfill maintenance requirements to facilitate a safe and efficient operation• Ensure that Supervisors are informed of any issues relating to the subsea equipment that may affect the safe and efficient running of operations. •Ensure that the permit to work system is in place, and followed.