• Provided engineering expertise, training, standardization, and problem resolution for a video endpoint migration project to move devices utilized by leadership to new clusters (various Webex Room Kits, etc.)• Managed certificate overhaul for renewal, removal, requirements, and standardization for Cisco environment• Resolved enterprise issues affecting relevant projects, migrations, and operations when escalated• Designed and deployed Akkadian Provisioning Manager• Designed and deployed Oracle 4600/4900 SBC HA pairs for Faxcom traffic

• Prepared environment for data center splitting for geographical redundancy and high availability• Re-designed CUCM to align with best practice and resolve outstanding design issues• Deployed subscribers to offload publisher from media flow and call control• Resolved and managed escalated enterprise issues• Improved design and integration of VistaPoint Attendant Console, Singlewire InformaCast, and CalabrioONE

• Migrated decentralized hub-and-spoke call-flow over PRIs to centralized SIP SBC architecture• Analyzed Cisco and Microsoft Skype for Business platforms for migration readiness including, but not limited to, dial-plan standards, QoS, site infrastructure, bandwidth trends, etc.• Assessed site readiness consisting of hardware, PSTN number discovery, hardware, and cultural standards• Documented step-by-step procedures for converting a site to the centralized SIP architecture

• Designed, tested, and deployed Webex Teams across the enterprise for Hybrid Calling and Edge Audio• Refreshed and updated global infrastructure to support Hybrid Calling consisting of M5s, firewall updates, and fabric interconnects for 10Gig support and Call Connectors• Documented architecture and step-by-step process for deploying Call Connectors• Presented and instructed support teams on Hybrid Calling solution and troubleshooting via Webex Control Hub

• Prepared environment for data center splitting for geographical redundancy and high availability• Supported over 100 offices consisting over 10,000 users as the technical lead/SME migrating from Avaya to Cisco moving to Jabber with MRA and 8800 phones• Instructed and taught middle techs and senior Avaya engineers on supporting the newly implemented Cisco Collaboration platforms of CUCM, CUC, IM & Presence, CER, and Expressways• Created the hierarchical tiering for support, access, and documentation• Designed and taught Akkadian Console and Provisioning Manager Express for a reduction in administration error and increase ticket resolution in administration updates

• Consulted with the design team and business partners to identify business needs and architectural roadmap requiring software upgrades for IOS, firmware, and platform versioning• Supported enterprise collaboration issues such as root-cause analysis and bug identification working with Cisco TAC, technical issues affecting enterprise VOIP operations, and documentation for technical support• Taught team on CUSP as SME and wrote documentation for technical support and understanding• Partnered with project team implementing and supporting Acme Packet SBC (Oracle SBC), Net-Net Central, and NetScout InfiniStream