Must be aware of all export and import regulations .
Awareness about product HSN codes
Company's export license activeness
Checking buyer incoterms
LC verification
Preparing export documents like packing list, commercial invoice, CO, lab test reports etc
Coordinating with customs and clearing/forwarding agents to get the goods cleared
Getting marine insurance wherever needed
Getting better price from clearing/forwarding agents.
Followup with banks and buyer for payment
Followup with customs for getting drawback and Rostcl
Keep all export/import documents safely for future reference