You must meet the following requirements within 30 days of the closing date of this announcement. Specialized Experience for the GS-12: You must have at least one year of experience at the GS-11 level or equivalent that equipped you with the particular knowledge, skills, and abilities to perform successfully the duties of the position, and that is typically in or related to the work of the position to be filled. Specialized experience for this position includes: Performing contract administrator duties such as reviewing and approving invoices, creating and reviewing performance work statements, ensuring contract work, data and reporting requirements are met, following up with contracted companies on elevated issues, and/or managing onsite contractors; AND Coordinating and/or managing service providers. In addition to the above requirements, you must meet the following requirements, if applicable (as defined in 5 CFR 300, Subpart F): Time-in-Grade: For the GS-12, you must have been at the GS-11 level for 52 weeks. Time After Competitive Appointment: Candidates who are current Federal employees serving on a non-temporary competitive appointment must have served at least three months in that appointment.