Cisco Secure Firewall

Johnson

Johnson is a highly accomplished Cisco Networking Consultant and Corporate Technical Trainer with over 12 years of experience in designing, implementing, managing, and optimizing enterprise network infrastructures using Cisco technologies. He has extensive expertise in delivering instructor-led training for Cisco CCNA (200-301) and Cisco CCNP Enterprise certification programs, helping networking professionals develop the practical skills required to deploy, manage, troubleshoot, and secure modern enterprise networks.

• Throughout his career, Johnson has successfully implemented large-scale campus, branch, and data center network infrastructures for organizations across banking, healthcare, telecommunications, manufacturing, retail, government, education, and managed service providers. His technical expertise spans enterprise routing and switching, wireless networking, software-defined networking, network automation, security, and high-availability solutions.
• Johnson combines deep technical knowledge with an engaging and practical teaching approach. His training programs emphasize real-world enterprise scenarios, hands-on configuration labs, troubleshooting workshops, architecture discussions, and certification-focused preparation. His goal is to ensure learners gain both the theoretical understanding and practical experience needed to excel in enterprise networking roles.
• Core Technical Skills
• Cisco CCNA (200-301)
• Cisco CCNP Enterprise (ENCOR & Enterprise Concentration Technologies)
• Enterprise Routing and Switching
• Cisco Catalyst Switches
• Cisco ISR and ASR Routers
• IPv4 and IPv6 Networking
• OSPF, EIGRP, and BGP
• Route Redistribution
• VLANs and Inter-VLAN Routing
• Spanning Tree Protocol (STP), Rapid PVST+, and Multiple Spanning Tree (MST)
• EtherChannel
• HSRP, VRRP, and GLBP
• Network Address Translation (NAT)
• Access Control Lists (ACLs)
• Dynamic Host Configuration Protocol (DHCP)
• Domain Name System (DNS)
• Quality of Service (QoS)
• Cisco Wireless LAN Controllers (WLC)
• Wireless LAN Design and Security
• Cisco Identity Services Engine (ISE)
• Virtual Private Networks (VPNs)
• Cisco SD-WAN
• Cisco SD-Access
• Cisco DNA Center
• Network Automation with Python
• REST APIs, NETCONF, RESTCONF, and YANG
• Cisco IOS XE
• SNMP, Syslog, NetFlow, and Telemetry
• High Availability and Disaster Recovery
• Microsoft Azure and AWS Networking Fundamentals
• Professional Experience
• Over 12 years of experience in enterprise networking, routing and switching, network security, and infrastructure management.
• Designed, deployed, and maintained secure and scalable LAN, WAN, WLAN, and hybrid enterprise networks for organizations of all sizes.
• Implemented advanced routing solutions using OSPF, EIGRP, BGP, route redistribution, and First Hop Redundancy Protocols (HSRP, VRRP, and GLBP).
• Configured enterprise switching technologies including VLANs, STP, EtherChannel, Layer 3 switching, and high-availability architectures.
• Deployed Cisco Wireless LAN Controllers, secure wireless networks, and mobility solutions for enterprise environments.
• Implemented Cisco SD-WAN, SD-Access, Cisco DNA Center, and intent-based networking solutions to simplify network operations.
• Configured network security features including ACLs, VPNs, device hardening, secure remote access, and infrastructure protection.
• Automated network provisioning and operational tasks using Python, REST APIs, NETCONF, RESTCONF, and YANG data models.
• Monitored and optimized network performance using SNMP, Syslog, NetFlow, telemetry, and enterprise monitoring platforms.
• Delivered instructor-led corporate training, technical boot camps, certification workshops, and mentoring programs for networking professionals worldwide.
• Training Expertise
• Johnson has successfully delivered instructor-led training on:
• Cisco CCNA (200-301)
• Cisco CCNP Enterprise (ENCOR)
• Cisco Enterprise Routing and Switching
• Advanced Enterprise Network Design
• Enterprise Wireless Networking
• Cisco SD-WAN
• Cisco SD-Access
• Cisco DNA Center
• Cisco Network Automation
• Python for Network Engineers
• REST APIs and Network Programmability
• Enterprise Network Security
• VPN Technologies
• Network Monitoring and Troubleshooting
• Infrastructure High Availability
• Industry Experience
• Banking and Financial Services
• Telecommunications
• Information Technology
• Healthcare
• Manufacturing
• Retail and E-Commerce
• Government
• Education
• Logistics and Supply Chain
• Managed Service Providers (MSPs)
• Training Methodology
• Johnson follows a practical, hands-on training methodology that prepares learners for enterprise networking environments and certification success. His sessions include:
• Instructor-led live demonstrations
• Extensive hands-on labs using Cisco routers, switches, and wireless controllers
• Cisco Packet Tracer, Cisco Modeling Labs (CML), and enterprise simulation exercises
• Advanced routing and switching configuration workshops
• Network troubleshooting and performance optimization labs
• SD-WAN, SD-Access, and Cisco DNA Center demonstrations
• Python scripting and network automation exercises
• Real-world enterprise architecture case studies
• Certification-focused mock exams and technical assessments
• Interview preparation, resume guidance, and career mentoring
• Key Highlights
• 12+ years of experience in Cisco enterprise networking, routing, switching, wireless networking, and infrastructure management.
• Expert instructor for Cisco CCNA (200-301) and Cisco CCNP Enterprise certification programs.
• Extensive experience designing and implementing enterprise LAN, WAN, WLAN, SD-WAN, and SD-Access solutions.
• Strong expertise in OSPF, EIGRP, BGP, QoS, VPNs, ACLs, Cisco ISE, and Cisco DNA Center.
• Skilled in network automation using Python, REST APIs, NETCONF, RESTCONF, and YANG.
• Delivered corporate training programs and certification boot camps for professionals across diverse industries.
• Experienced in enterprise network troubleshooting, performance tuning, security implementation, and high-availability design.
• Recognized for simplifying complex networking concepts through practical demonstrations, real-world case studies, and hands-on labs.
• Passionate about mentoring networking professionals and preparing them for successful careers in enterprise networking.
• Dedicated to helping learners achieve Cisco certification success while building the practical skills required to design, deploy, secure, automate, and manage modern enterprise network infrastructures.