Evaluation of vendor proposals, completion of price analysis, issue resolution, negotiation and finalization of PO documents and modifications including reviewing all FAR/DFARS/Agency/contract provisions, statements of work, terms and conditions, coordinating/reviewing required vendor forms and certifications, and completion of the entire procurement file. Buyer is responsible for activities that span the entire procurement cycle, to lead full life cycle (“cradle-to-grave”) purchasing activities including but not limited to: preparation of solicitation packages to vendors for Prime Proposal and existing Program related activities.