The HITRAN group (www.hitran.org , Atomic and Molecular Physics Division, Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, USA) is looking for Postdoctoral associate. Postdoc will be involved in work on the HITRAN and HITEMP compilations. The responsibilities will include construction of the spectral line lists for the molecular species relevant to the modeling of planetary atmospheres. This will include, but is not limited to, collecting available experimental and theoretical data, assessing their quality and creating semi-empirical models for calculating parameters that are not available in the literature. In addition to being co-authors on the widely cited HITRAN and HITEMP papers, the candidates will have an opportunity to work on first-author publications in the field of atmospheric and/or astronomical spectroscopy. Some examples of the publications are given below this ad.

The candidates are expected to have a working experience in the field of molecular spectroscopy (understanding of different types of molecular symmetries, transitions, selection rules, working with Hamiltonians, etc). Experience with FORTRAN and/or Python is required. Proficiency in the English language and good communication skills are required. Candidates will have to be able to work both independently and within a team. Applicants are expected to have completed their PhDs no earlier than July 2011 and be able to start their duties no later than September 1, 2017. In addition, the candidates should have experience in at least three out of the five areas listed below

1. First hand experience with the HITRAN and/or HITEMP databases.

2. Working knowledge of line-shape parametrizations (including the Hartman-Tran profile) and their implementations. Experience with line mixing is a plus.

3. Experience with commonly used spectroscopic programs for fitting and predicting spectra. For instance, LEVEL, SPFIT, PGOPHER, etc.

4. Familiarity with Data Science and its tools. In particular experience in Structured Query Language (SQL). In addition, experience with Django and Apache is a big plus.

5. Proficiency in writing scientific papers, manuals and other types of documentation.

The position is for one year and provides a stipend of about $60,000 per annum. Depending on the performance and the availability of funding, the position may be extended to another year. Medical insurance can be covered.

Applications (with CVs) should be sent to Dr. Iouli E. Gordon ([log in to unmask]). Three reference letters should be sent independently by scientists providing recommendations.

Some relevant publications:

C. Hill, I.E. Gordon, R. V. Kochanov, L. Barrett, J.S. Wilzewski, L.S. Rothman, HITRANonline: An online interface and the flexible representation of spectroscopic data in the HITRAN database, J. Quant. Spectrosc. Radiat. Transf. 177 (2016) 4–14. doi:10.1016/j.jqsrt.2015.12.012.

R.V. Kochanov, I.E. Gordon, L.S. Rothman, P. Wcisło, C. Hill, J.S. Wilzewski, HITRAN Application Programming Interface (HAPI): A comprehensive approach to working with spectroscopic data, J. Quant. Spectrosc. Radiat. Transf. 177 (2016) 15–30. doi:10.1016/j.jqsrt.2016.03.005.

P. Wcisło, I.E. Gordon, H. Tran, Y. Tan, S.-M. Hu, A. Campargue, S. Kassi, D. Romanini, C. Hill, R.V. Kochanov, L.S. Rothman, The implementation of non-Voigt line profiles in the HITRAN database: H2 case study, J. Quant. Spectrosc. Radiat. Transf. 177 (2016) 75–91. doi:10.1016/j.jqsrt.2016.01.024.

J.S. Wilzewski, I.E. Gordon, R. V. Kochanov, C. Hill, L.S. Rothman, H2, He, and CO2 line-broadening coefficients, pressure shifts and temperature-dependence exponents for the HITRAN database. Part 1: SO2, NH3, HF, HCl, OCS and C2H2, J. Quant. Spectrosc. Radiat. Transf. 168 (2016) 193–206. doi:10.1016/j.jqsrt.2015.09.003.

G. Li, I.E. Gordon, L.S. Rothman, Y. Tan, S.-M. Hu, S. Kassi, A. Campargue, E.S. Medvedev, Rovibrational Line Lists for Nine Isotopologues of the CO Molecule in the X1Σ+ Ground Electronic State, Astrophys. J. Suppl. Ser. 216 (2015) 15. doi:10.1088/0067-0049/216/1/15.

G. Li, I.E. Gordon, P.F. Bernath, L.. Rothman, Direct fit of experimental ro-vibrational intensities to the dipole moment function: Application to HCl, J. Quant. Spectrosc. Radiat. Transf. 112 (2011) 1543–1550. doi:10.1016/j.jqsrt.2011.03.014.

I.E. Gordon, L.S. Rothman, G.C. Toon, Revision of spectral parameters for the B- and γ-bands of oxygen and their validation against atmospheric spectra, J. Quant. Spectrosc. Radiat. Transf. 112 (2011) 2310–2322. doi:10.1016/j.jqsrt.2011.05.007.

L.S. Rothman, I.E. Gordon, Y. Babikov, A. Barbe, D. Chris Benner, et al., The HITRAN2012 molecular spectroscopic database, J. Quant. Spectrosc. Radiat. Transf. 130 (2013) 4–50. doi:10.1016/j.jqsrt.2013.07.002.

L.S. Rothman, I.E. Gordon, R.J. Barber, H. Dothe, R.R. Gamache, A. Goldman, V.I. Perevalov, S. A. Tashkun, J. Tennyson, HITEMP, the high-temperature molecular spectroscopic database, J. Quant. Spectrosc. Radiat. Transf. 111 (2010) 2139–2150. doi:10.1016/j.jqsrt.2010.05.001.

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