Gus Samarco

Led simultaneous multi-site Cisco LAN and Juniper Mist wireless deployments across USPS facilities, enforcing consistent configuration standards to minimize service disruption. Guided on-site teams installing Cisco Catalyst 9000 switches and 9800 wireless LAN controllers and developed repeatable deployment runbooks under Public Trust security standards.

Performed physical and logical Cisco LAN and Juniper Mist wireless upgrade deployments for large national facilities. Conducted Ekahau-based pre/post wireless site surveys to optimize complex RF coverage and standardized configurations and documentation across rollout teams.

Supported a large enterprise network pilot deployment of Juniper Mist and Meraki, using Cisco DNA Center to streamline network management. Served as primary engineering liaison to isolate and resolve issues, documented onboarding procedures, and escalated recurring network anomalies to improve long-term stability.

Served as lead technical contact for global collaboration networks, partnering on core upgrades and monitoring uptime for mission-critical systems. Maintained SLA compliance and documented topology changes for audit and compliance, including support spanning Azure cloud environments.

Acted as dedicated 24x7 architectural lead for HSBC global collaboration networks, bridging Brazilian and U.S. engineering teams to ensure seamless operations. Coordinated multi-vendor troubleshooting to resolve complex TelePresence call-quality issues and reduced MTTR through maintained institutional topology knowledge, while delivering support training programs.

Provided reactive backbone support for enterprise TelePresence and voice, restoring service by troubleshooting SIP, H.323, and MGCP call-routing failures. Partnered with carrier teams to isolate PSTN interconnect issues affecting global voice services and supported customer migration from Nortel to Cisco.

Performed RF analysis and coverage planning for large warehouse and distribution facilities with complex signal propagation. Validated post-install wireless performance against design specifications and coordinated installations with facility managers to minimize impact to postal operations.

Designed redundant high-availability WAN connectivity for financial institutions with regulatory compliance requirements. Performed network assessments, translated business requirements into technical architecture proposals, and managed vendor relationships and equipment procurement through delivery.

Monitored network performance with enterprise NOC tools, identifying and escalating anomalies before customer impact. Produced technical documentation and training materials for Brazilian engineering teams and served as an escalation point for complex U.S.–Brazil cross-team coordination.

Diagnosed Layer 2 and Layer 3 issues across Extreme switching and routing platforms for enterprise customers. Reproduced customer-reported bugs in lab environments to support engineering escalation and improve issue resolution.

Provided frontline network troubleshooting in a high-volume enterprise support environment. Followed structured ticket-management workflows with accurate case documentation and resolution notes to support timely service restoration.

Led 600% growth of the new Partner Helpline in Brazil by designing and launching a bilingual partner-support program from scratch. Served as the technical and cultural bridge between Cisco U.S. engineering and Brazilian reseller partners, including processes, training, and escalation paths.

Managed network administration and support operations for one of Brazil's largest financial institutions, coordinating incident response and staff development over a 12-year tenure. Enforced information security policies and access controls within the IS Security team to support regulatory compliance.

Earned a Telecommunications Engineering Diploma from UC Berkeley Extension.