The Marathon Martinez Renewables Facility located in Martinez, California is seeking a Refinery Operations Excellence Specialist who will support Operations Excellence Management Systems including procedures, troubleshooting, training, change management, investigations, audits, turnarounds, and project support. This role may be used to support, or assume the responsibilities of the Operations Projects Specialist, Operations Training Specialist, Operations Turnaround Specialist, Operations Shift Supervisor, Operations Refinery Wide Shift Supervisor, and Operations Superintendent role.