Design studio requires Sharepoint Developer to set up reference library

Small consulting firm requires help setting up a Sharepoint site. Objective is to create a reference library where resources (design codes/standards, calculations, spreadsheets, document templates, etc.) can be readily accessed by a team of 15 structural engineers, drafters, and admin staff. Key features must include: strong quality control (e.g. ability to manage access permissions, check documents in and out, ability to monitor audit/review cycle, etc.), accessibility (e.g. searchable tags, etc.), and security.