Assists Manager of Wholesale Marketing/QSE in activities of STEC in ERCOT Wholesale Market. Under direction of Wholesale Marketing/QSE Manager, helps coordinate, direct, and supervise all phases of STEC QSE services as assigned. Supervises and directs the scheduling, buying and selling of generation and natural gas.  Working Condition: General office and sedentary. May frequently be required to walk; sit; use hands to finger, handle, or feel; reach with hands and arms; and talk or hear. Occasionally required to stand. Specific vision abilities required by this job include close vision and distance vision. Use of personal computing equipment, telephone, multi-functioning printer, photocopier, and calculator. Manual dexterity an