Teams at A & T Systems, Inc.

Maintain and upgrade Cisco IOS and Nexus switches, design and manage STP/MSTP topologies, troubleshoot fiber links, manage TCP/IP networks, and perform system upgrades and patches.

Manage cloud service contracts, administer vendor relationships, and support cloud procurement. Provide technical guidance for cloud selection, configuration, and troubleshooting. Support business development via market research, proposals, and vendor performance monitoring while ensuring security, governance, and compliance.

Provide Tier II technical support for enterprise IT systems at Aberdeen Proving Grounds: troubleshoot Windows and network issues, manage accounts and devices, apply security patches and DISA STIGs, document incidents in ITSM, escalate complex problems, and support deployments and emergency response to maintain mission-ready operations.