Extraordinary teams building inspiring projects: Since 1898, we have helped customers complete more than 25,000 projects in 160 countries on all seven continents that have created jobs, grown economies, improved the resiliency of the world''s infrastructure, increased access to energy, resources, and vital services, and made the world a safer, cleaner place. Required Knowledge and Skills: Proficiency and experience in the formation and administration of purchase orders through the several steps of bidder prequalification, compilation of bid requests, receipt of bids, bid evaluation, award, monitoring the performance of suppliers, back charge procedures, resolution of claims and disputes, and other such related steps.