*Job Posting Title**:* Earth System Model Developer / NB50440778 *Posted Date**:* 07/22/2014
*End Posting Date**:* 09/30/2014 *Purpose**:* The Computer Science and Mathematics Division in the Computing and Computational Sciences Directorate and the Climate Change Science Institute (http://climatechangescience.ornl.gov/) at the Oak Ridge National Laboratory (ORNL) seeks to hire an Earth System Model Developer. *Major Duties/Responsibilities**:* The successful candidate will work collaboratively on several projects with a highly diverse and multidisciplinary team of environmental, ecological, remote sensing, climate, and computational scientists at ORNL's Climate Change Science Institute (CCSI), other DOE Labs, the USDA Forest Service, NASA, and partner universities to develop and evaluate terrestrial and marine biogeochemical model components within coupled Earth system models (ESMs). The candidate will join a growing team within CCSI focused on model-data integration. As such, the candidate will design, develop, and test new algorithms for carbon and nutrient cycling in the Community Land Model (CLM), develop tools for evaluating multiple model performance through comparison with a wide variety of data sets, and develop methods and tools for analysis and integration of field data, model results, and remotely sensed imagery in an Open Source environment. The candidate will conduct research and report results in open literature journals, technical reports, and at relevant conferences. *Qualifications Required**:* A Ph.D. degree in an Earth or environmental science discipline, computer science, or civil or environmental engineering is required. Software engineering skills and experience developing parallel algorithms using MPI and OpenMP in Fortran-90/Fortran-2003 and C/C++ are required. Proven analytical skills and experience using R or Python and NCL are required. Experience preparing documents using LaTeX in a Linux or Unix environment is a must. Excellent interpersonal skills for working within a highly diverse team, strong oral and written communications skills, good organizational skills, and high personal motivation are all necessary. *Desired Qualifications:* Experience using revision control systems, including Mercurial and Git, and tracking issues with Trac or Jira are desired. Experience using R, Python, PostgreSQL, NCO, CDO, Matlab, IDL/ENVI, and UV-CDAT is preferred. Familiarity with NetCDF and HDF files and application programming interfaces and the Climate and Forecasting (CF) conventions is preferred. Candidates with knowledge of land-atmosphere interactions or atmospheric turbulence, and experience with atmospheric transport models are preferred. Experience running regional and/or global climate or Earth system models on large supercomputers is desired. Spatial analysis skills using GRASS/GDAL and experience processing remote sensing imagery, particularly from MODIS and LANDSAT, is desired. For more information, visit http://www.ornl.gov/ornl/careers or e-mail ornlrecruit...@ornl.gov. ORNL is an equal opportunity employer. All qualified applicants, including individuals with disabilities and protected veterans, are encouraged to apply. UT-Battelle is an E-Verify Employer. -- Forrest Hoffman forr...@climatemodeling.org Oak Ridge National Laboratory http://www.climatemodeling.org/~forrest Computational Earth Sciences Group (865) 576-7680 voice Building 2040, Room E249, MS 6301 (865) 574-9501 fax P.O. Box 2008 Deliveries: One Bethel Valley Road Oak Ridge TN 37831-6301 35° 55' 23" N 84° 19' 20" W