1. Working among engineering and project administration, help in organizing quotations.2. Supervise post-sales activity, working with client project directors to report present on-site circumstances and converse project status data to the client.3. Growing and developing long term rapport among clients.4. Supervising and interpreting client necessities.5. Influencing clients that a service or product best satisfies their requirements in terms of price, quality and delivery.6. Evaluating sales and costs.7. Computing customer quotes.8. Negotiating contract and tender terms to meet both company and customer requirements.