from selenium import webdriver

driver = webdriver.Firefox()
driver.get('https://employment.wellsfargo.com/psp/PSEA/APPLICANT_NW/HRMS/c/HRS_HRAM.HRS_APP_SCHJOB.GBL?FOCUS=')

# find the frame and switch to it
frame = driver.find_element_by_id('ptifrmtgtframe')
driver.switch_to.frame(frame)

# find the button and click it
button = driver.find_element_by_id('HRS_CE_WELCM_WK_HRS_CE_WELCM_BTN')
button.click()