Here is a link to the regulation that requires the job listing but there is no requirement to list the job for two weeks. 60-300.5 Equal Opportunity Clause - https://www.ecfr.gov/cgi-bin/text-idx?SID=afb08cd93b5e878cec05dec64d64486c&mc=true&node=pt41.1.60_6300&rgn=div5#se41.1.60_6300_184