Are you seeking information about consultancy opportunities or invitations to bid or tender for the supply of goods and services to Non-Profit Organisations, UN (United Nations) agencies, embassies and international firms all over the world?

If so, you should certainly have NGO Tenders bookmarked 

https://ngotenders.net/about-us/ 

NGO Tenders provides a useful search facility and is increasingly attracting significant organisations from across the sector.

NGO Tenders also invites professionals to upload a current version of their resume/CV and is attracting a growing range of career resumes. To date, the growing library of resumes offers only limited search facilities.

Services offered are largely free of charge and the website appears to be supported by advertising.