What is the role of QA in a company that produces software?

Quality assurance personnel are responsible for validating project assumptions and ensuring the quality of phase deliverables. Quality assurance personnel should be independent of the development process and use predefined standards and procedures to assess deliverables throughout project life cycles. 
 

Work with Product Development and Software Engineering to define software test system requirements.  
Work with project manager to develop schedule and budget for software test systems.  
Develop and maintain bug databases and manage workflow in relation to verification and regression of issues.  
Use scripting to create software test systems.  
Provide Software Engineering with timely software systems quality and reliability reports.  
Work with Integration Test and Support team to ensure the reliability of software systems.  
Work with Product Development to create application notes for using software systems with third party applications.  
Work with Software Engineers to maintain and manage the software system build processes.  
Manage and maintain the PC compatibility lab.  
Submit accurate and timely status reports.  

very good