B2B Senior Pre-Sales Solutions Engineer — UCaaS & Connectivity Liberty Costa Rica
I lead end-to-end pre-sales and solution design for enterprise UCaaS deployments supporting 500 to 2,000 users. My work includes OpenScape/Unify SBC architecture, SIP trunk provisioning, Microsoft Teams Direct Routing, carrier-grade connectivity, and cloud UC migration designs.
I design CCaaS architectures, IVR and call-routing flows, omnichannel integrations, and contact center agent environments. I also conduct VoIP QoS assessments, recommend voice VLAN and DSCP policies, and design secure SD-WAN and SASE overlays with encrypted SIP trunks and Zero Trust controls.
I lead technical workshops, proofs of concept, demos, and RFP/RFx responses for executive stakeholders, converting complex communications and security requirements into business-aligned proposals.