SaaS Business Analyst Documentation

I'm seeking a Senior Business Analyst with a sound understanding of SaaS (Software as a Service) to design comprehensive documentation for a new SaaS product. My system is almost complete and requires detailed documentation to support its features and functionalities.

Key requirements:
- Prepare a user-friendly manual that reads easy for end-users.
- Define and compose technical specifications that fully detail the SaaS architectural design and setup.
- Craft a precise installation guide to ensure successful setup and integration by users.

Specific functionalities of the SaaS include:
- Comprehensive User Management: You should be able to clearly outline procedures for user addition, deletion and management.
- Analytics and Reporting: Explain the usage of built-in analytics tools and how to generate reports.
- System Integration: Detail how the system can be seamlessly integrated with other systems.

The main purpose of the SaaS system is generic and should be communicated effectively in the documentation.

Ideal Skills:
- Extensive experience in SaaS products
- Proficient in technical writing
- Deep understanding of software user requirements
- Able to translate technical jargon into simple language for end-user comprehension