This opportunity is for a full-service maintenance plan for a specialized Thermo IDX Orbitrap LC-MS/MS system used in NIH research. The contract covers unlimited repair visits, all parts and labor, and one annual preventive maintenance visit, with a maximum 72-hour on-site response time. The service period includes a base year with option years, and support is required during normal business hours. No specific budget amount is provided, and the location for performance of services is not specified. The system components covered include the Orbitrap IDX Mass Spectrometer and associated Vanquish liquid chromatography components.