The Senior Windows Administrator architects, manages and administers large, multi-site and cloud, Microsoft server and client environments; responsible for system architecture, design and implementation; operating system, firmware and software package creation and installation, upgrades, patching, system integrity, security, disaster recovery, and performance; creates, maintains, and adheres to Windows team administration and user standards and procedures; leads or participates on project teams and collaborates with application developers and infrastructure peers as necessary; performs backup and restoration procedures; leads and/or supports audit efforts and ensures compliance with corporate and regulatory standards; mentors and trains associate and Windows administrators; provides expertise in strategic IT planning; establishes and maintains working relationships with IT partners, business customers, and vendors; creates and maintains technical documentation.