NRAO POSTDOCTORAL POSITIONS REQ. NO.: CV2308 SUMMARY: The National Radio Astronomy Observatory invites applications for a number of NRAO Postdoctoral appointments at the North American ALMA Science Center in Charlottesville, Va. These positions provide 50% time for independent research, with the remaining 50% assigned to project and operational duties at the sites. The starting salary will be $45,000 per year. The appointment duration is two years, with renewal for a third year, by agreement. Conference and observing travel are supported. Computing resources, page charge support, vacation accrual, health insurance, and a moving allowance are also provided. The appointment will be available beginning in Fall 2005. Functional needs: The Scientist will participate in the development and verification of scientific requirements for the Atacama Large Millimeter Array (ALMA) including testing of its capabilities at the ALMA prototype system at the Antenna Test Facility near Socorro, N. M. The ALMA prototype antennas have been deployed at the ALMA Test Facility at the VLA site; the Scientist will participate in the characterization of these antennas and the ALMA Prototype Interferometer. As ALMA construction progresses the Scientist may also participate in the testing and commissioning of the initial elements of the array in Chile. The position is funded by a grant from the National Science Foundation through the ALMA Construction Project. QUALIFICATIONS: The candidates should have, or expect to receive by no later than 1 September 2005, a PhD in astronomy, physics, or a related field, and a plan of continuing independent research. LOCATION: Appointments will be considered for Charlottesville, Virginia, at the North American ALMA Science Center and NRAO Headquarters on the grounds of the University of Virginia. Applications should include a statement of research interests and plans, a description of any software or instrumentation experience, a curriculum vitae including a publication list, and the names of three scientists who have agreed to send in letters of reference. The application and letters of reference should be sent to: Dr. W. M. Goss, Division of Science and Academic Affairs, NRAO, P.O. Box 0, Socorro, NM 87801-0387. All applications received by 15 February 2005 will receive full consideration. If any positions remain unfilled, additional applications will be accepted through 15 March.