In detail, check technician Field Reports to ensure all hours are properly recorded, work description is detailed and accurate, purchases are noted, and all supporting documents (receipts, packing slips, startup reports, equipment log sheets, warranty reimbursement forms, etc.) have been completed and are accurate. Project Manager - primary duties include ordering of materials/equipment, coordination of various trades/manpower/subcontractors/shipments, tracking project costs, adjusting cost estimates as necessary to properly report revenue, margin, etc.