Lloyd Barker-Rocke JR

Provide technical and operational leadership for large-scale IP and Optical network deployments within Lumen’s service-provider environment, ensuring on-time delivery, quality execution, and SLA adherence.

• Lead cross-functional technical discussions with network engineering, data center, operations, and vendor teams to design solutions, mitigate risks, and improve deployment outcomes.

• Build and execute end-to-end deployment programs including scope definition, scheduling, resource allocation, risk management, and production handoff.

• Design, deploy, and support network security and edge routing platforms including Juniper SRX, FortiGate firewalls (VDOMs), FortiAnalyzer, and ADOM-based multi-tenant management.

• Implement and support Cisco SD-WAN (vManage, vSmart, vBond) and Cisco Catalyst 8300 Series routers across enterprise and carrier WAN environments.

• Designed, implemented, and supported Azure ExpressRoute connectivity, including BGP peering, route advertisement/acceptance, redundancy, and failover between Lumen IP/MPLS networks, enterprise data centers, and Microsoft Azure.

• Troubleshot and optimized ExpressRoute routing, latency, and resiliency issues in collaboration with cloud, security, and operations teams to ensure secure and highly available hybrid cloud connectivity.

• Define, track, and analyze KPIs and SLAs such as deployment velocity, quality metrics, efficiency, and service availability to drive continuous improvement.

• Manage vendor and partner relationships, ensuring contractual compliance and high-quality service delivery.

• Deliver executive-level reporting to senior leadership on deployment performance, risks, and optimization opportunities.

• Provide freelance and consulting network engineering services for data center, enterprise, and cloud transformation initiatives across healthcare, financial services, government, utilities, and commercial environments.
• Deliver architecture, design, implementation, migration, and operational support for complex routing, switching, security, wireless, SD-WAN, and hybrid cloud projects.
• Design and implement Cisco ACI, Spine-Leaf, and modernized data center fabrics using Cisco Nexus 9000 platforms.
• Architect segmented enterprise and data center networks to support security isolation, resiliency, and application separation requirements.
• Develop migration plans, validation procedures, technical runbooks, MOPs, and operational handoff documentation for production environments.
• County of Santa Clara: Managed IT data center infrastructure in San Jose, California, supporting County and hospital environments with SNMP-based monitoring, VLAN provisioning, IP address management, and bandwidth allocation, while administering Aruba wireless infrastructure and Aruba Central across hospital campuses.
• County of Santa Clara: Led network modernization and migration initiatives for Santa Clara County Regional Hospital in a 24x7 healthcare setting, deploying Cisco Catalyst 9410R core/distribution infrastructure, migrating Catalyst 3850 stacks to Catalyst 9300 series, providing Zscaler ZIA/ZPA troubleshooting, and executing cutovers, validation, rollback planning, and MOP-driven implementation with no impact to clinical operations.
• Georgia State Courts: Deployed Palo Alto SD-WAN across the data center and three satellite locations, enabling secure connectivity, WAN modernization, and centralized policy control.
• WestRock Paper Mill: Delivered new campus network deployments in West Point, Virginia and Florence, South Carolina, implementing Cisco Catalyst 9500 core/distribution infrastructure and Cisco Catalyst 9300 access-layer switching.
• Northwest Water Utilities: Deployed Palo Alto PA-220 and PA-820 firewalls in high-availability configurations and implemented Panorama for centralized management, policy consistency, and operational visibility.
• Amazon: Implemented Cisco ACI and Spine-Leaf architecture using Nexus 9000 series, improving data center agility by 60%.
• ENC Federal Credit Union: Deployed Cisco ACI to migrate legacy chassis-based data center infrastructure.
• McKesson: Led a network modernization initiative by building a new MDF and migrating 8 IDFs to a redesigned infrastructure, deploying Aruba 6300 switches, Aruba wireless controllers, Cisco Viptela SD-WAN integrated with Palo Alto Prisma, Palo Alto 5500 firewalls, and NETSCOUT monitoring infrastructure to improve resiliency, segmentation, security, and operational visibility.
• Molina Healthcare: Supported data center to Azure migration planning and led deployment of Cisco Viptela SD-WAN for newly acquired New York healthcare offices, including Chinatown and Lake Success, enabling secure hybrid connectivity and standardized WAN integration into the enterprise environment.

• Led engineering and network operations for a regional service provider, delivering dark fiber, optical transport, and Layer 3 routed services to wireless carriers, school districts, and state, county, and city government customers.
• Directed design, deployment, and operational support for backbone, access, and customer-edge infrastructure across a multi-site service-provider environment.
• Deployed and supported ADVA optical platforms, Cisco NCS routers, and Cisco 900-series edge devices for carrier backhaul, public-sector connectivity, and education WAN services.
• Managed customer route delivery and service turn-up across a Cisco ASR 9000-series backbone, ensuring resiliency, service quality, and operational continuity.
• Led a key resiliency initiative that eliminated a single point of failure by designing and delivering a Layer 3 lit network between Colusa and Fresno, California.
• Supported network deployments for major wireless carriers including AT&T, Verizon, and T-Mobile, as well as multiple public-sector and education customers including Tulare and Dinuba school districts.
• Served as senior escalation lead for routing, transport, and service delivery issues, while driving maintenance execution, outage response, technical documentation, and implementation quality.

• Designed and implemented network infrastructure solutions to enhance system performance.
• Led troubleshooting and resolution of complex network issues, ensuring minimal downtime.
• Developed and maintained network documentation for operational efficiency and compliance.
• Collaborated with cross-functional teams to integrate new technologies into existing systems.
• Evaluated emerging technologies, recommending strategic upgrades to align with business goals.
• Delivered Tier‑III network engineering support across large enterprise environments.
• Led network modernization initiatives, capacity planning, and performance optimization.
• Provided advanced routing and switching support and mentored junior engineers

• Supported government and regulated environments with secure network architecture, risk mitigation, and compliance controls.
• Managed large‑scale WAN and secure perimeter infrastructure
• Led planning and technical design activities for routine operations and special projects.
• Standardized processes and procedures for network maintenance and configuration changes, reducing errors and streamlining operations.

• Established protocols for incident response and recovery, enhancing overall network reliability and client satisfaction.
• Provided network support services for devices such as hubs, bridges, routers, and other hardware.
• Delivered end-user support by troubleshooting connectivity issues and providing guidance on proper usage of networking equipment.
• Managed, tracked, and coordinated problem resolution and escalation processes.
• Designed and implemented multi‑vendor enterprise and service‑provider networks.
• Supported national clients with complex routing, switching, and managed services.