Other preferred skills include the following: At least one (1) years' experience in the application of M&S to Decision Analysis problems; At least one (1) years' experience in the application of M&S to Cost/Benefit Analysis problems; At least one (1) years' experience in using at least five (5) of the these: R, Python, EXCEL/VBA, ARENA, OCTAVE, Tableau, Gurobi/CPLEX, EXTEND SIM, SAS, NETICA, statsmodels, Stata, MATLAB, SPSS. Responsibilities: The Operations Research Analyst analyzes management and operational problems and formulates mathematical or simulation models of problems for solution by computers or other methods.