A MCSA - Windows Server developer is a certified professional who specializes in implementing, managing, and maintaining Windows Server systems. They manage user and server infrastructure, configure file and print services, and configure network services and access. They also design and implement network policies and network infrastructure solutions, install and administer Active Directory, and automate Windows Server management. They are proficient in areas like virtualization, storage, and networking. Additionally, they troubleshoot system failures, ensure data recovery processes, and implement network security measures to protect sensitive data.