Apply to Site Manager, Order Manager, HVAC Supervisor and more! An international assignment agreement is a contract between an employer and employee that formally assigns the latter to a position in a foreign country.Strategic Procurement Division Purchasing Terms And Conditions, Acceptance, Amendment or Modification, Applicable Laws, Captions, Change Order. Forms that are required to be included with procurements submissions (e.g. RFP, Bid, RFQ) and contracts are identified in the procurement documents. Apply to Contract Specialist, Faculty, Order Manager and more! The Contracts Specialist is a key player in the Department, responsible for the advanced coordination and management of contracts and subcontracts. Search and apply to our open Contract jobs in Houston Tx. Our full-time, freelance and temporary Contract roles are updated daily. SPA offers a variety of its forms, templates, and worksheets, in PDF and Excel format. The City of Houston Strategic Procurement Division is the central procurement office for the City of Houston.