This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No Relocation.

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.

AT&T has an opening for a Senior System Administrator to support operations by maintaining, documenting, and administering enterprise IT systems. This role is the Senior System Administrator will deliver helpdesk and troubleshooting support, oversee problem resolution, and maintain system configurations to ensure availability, reliability, and security.

**Job Duties/Responsibilities:**

+ Maintain and develop system documentation to include product guides/manuals, SOPs, w...