Candidates must show specialized experience which is defined as: 1) Must have held an FAA 2152 FV-J/FG-14 or above regional or headquarters position for at least 1 year (52 weeks); OR 2) Must have been facility rated or area certified for at least 1 year (52 weeks) in an ATS facility; OR 3) Must have held a MSS position for at least 1 year (52 weeks) in an ATS facility In addition to the above qualifications for MSS positions, to be ELIGIBLE TO APPLY for this vacancy applicants must have held an MSS2, MSS3, MSS4 OR FG-2152-14/FV-2152-J (not a CPC) or above regional or headquarters position for at least one year (52 weeks). QUALIFICATIONS MUST BE MET BY THE CLOSING DATE OF THIS ANNOUNCEMENT.