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Over 15 years experience with Cisco Collaboration products including Call Manager, Unity Connection, IM&P/Jabber, Expressway, Emergency Responder, Webex Meetings/Calling/Contact Center and etc. CCIE Collaboration certified. Mwraki, DUO, Umbrella Microsoft Teams Phone, Direct Routing, Microsoft Teams Room Migrations from legacy phone systems to Cloud calling. E911 Configurations, Dial Plans, PSTN, Telephone Number Porting, Solution Architecture, SBC experience - Audiocodes, Acme Packets, CUBE Azure and Microsoft Teams Voice experience including design, implementation, and support. Python, JavaScript automation experience.

I am a CCIE-certified Network Engineer with over 14 years of experience designing, upgrading, and supporting on premise and hybrid enterprise network infrastructure across healthcare, financial services, professional services, public sector, and managed services environments. My background is rooted in deep hands-on expertise across routing and switching, data center networking, WAN architecture, and advanced troubleshooting in complex, multi-vendor environments. I have worked extensively with platforms including Cisco, Palo Alto, Infoblox, Arista, and Juniper. Throughout my career, I have led large-scale remote and hybrid deployments, stabilized critical network environments, and improved uptime, performance, and scalability across both data centers and distributed enterprise systems. I bring a strong ability to partner cross-functionally with infrastructure, security, and operations teams to deliver resilient, high-performing network solutions. CORE COMPETENCIES: ★ Data Center Architecture ★ Routing & Switching ★ SD-WAN ★ Network Security ★ WAN Architecture ★ Infrastructure Modernization ★ Advanced Troubleshooting ★ Cisco Nexus & Catalyst ★ Palo Alto / Fortinet Firewalls ★ Infoblox ★ BGP / OSPF / EIGRP ★ MPLS / DIA ★ Network Automation (Ansible) ★ High Availability & Resiliency ★ Leaf & Spine / Core & Distribution & Access TOOLS: Cisco IOS | Cisco NX-OS | Cisco Nexus (9000/7000/5000/2000) | Cisco Catalyst | Cisco ACI | Arista EOS | Juniper MX/EX | ArubaOS | Nokia OS | Cisco Meraki | BGP | OSPF | EIGRP | vPC | STP | VDC | VXLAN | EVPN | NAT | QoS | Multicast | VRF | DMVPN | IPsec | HSRP | VRRP | GLBP | LACP | LLDP | CDP | Cisco Catalyst SD-WAN | Viptela SD-WAN | SilverPeak SD-WAN | MPLS | DIA | Metro Ethernet | Palo Alto | Fortinet | Cisco ASA | Cisco ISE | Cisco DNA | Wireshark | Ansible | TCL Shell | Python | SecureCRT | PuTTY | ServiceNow | Microsoft Teams | Zoom | Webex | Outlook | Visio CERTIFICATIONS: CCIE Routing & Switching #51201 | CCNP | CCDA | MCSE

Network engineer with 4+ years across enterprise deployment, DoD network operations, and carrier NOC environments. CCNA, CCNA Automation, CCNA Cybersecurity, JNCIA, and Security+ certified, with an active DoD Secret clearance. U.S. military veteran. What I can help you with: Network deployment & migration: Cisco Meraki, VMware VeloCloud SD-WAN, Juniper, and Ciena. Staging, configuration, cutover planning, and validation. I currently run refresh and deployment projects across 6,000+ locations worldwide and have taken site-wide wireless implementations from planning through cutover. Troubleshooting & incident response: enterprise LAN/WAN, wireless, VPN, and carrier backbone networks. SolarWinds monitoring, plus ServiceNow, Jira, and Remedy workflows. Automation & reporting: Python and PowerShell scripting to eliminate manual work. I built internal tooling that pulled data from disconnected network and asset systems into reporting used by executives to scope multi-site projects, with an estimated seven-figure cost avoidance. Documentation & diagramming: Visio network diagrams, architecture documentation, and STIG-compliant documentation. Education: BS in Network Engineering and Security, Cisco track. I also hold Network+, Cloud+, and ITIL 4. No project is too small. Whether you need a single firewall fixed, a network diagram drawn, or a multi-site rollout planned, I'm happy to help. Send me a message with what you're trying to accomplish and I'll tell you honestly whether I'm the right fit.

👑 Expert Vetted - Top 1% of talent on Upwork ⭐️ Top Rated - Highly rated for the work provided 🎯 100% Job Success Score 🕒 600+ hours on Upwork ✅ 30+ years of experience ✅ 50+ projects delivered here on Upwork With over three decades of experience under my belt as a network and security engineer, I've traversed the ever-evolving landscape of LAN/WAN network design, network security, firewalls, implementation, and maintenance. My expertise is not merely a testament to time, but also backed by credentials including Cisco CCNP (route/switch), a Cisco CCDP for network design, and a PCNSE for Palo Alto Networks. I am always available for consulting for short-term and long-term projects. Thank you.

I help businesses secure, troubleshoot, and modernize enterprise networks across Palo Alto, Fortinet, Cisco, AWS, Azure, and hybrid-cloud environments. I work with clients who need help with Palo Alto or FortiGate firewalls, VPN and connectivity issues, firewall policy optimization, AWS networking, network migrations, segmentation, or Zero Trust security architecture. I focus on identifying the root cause and delivering practical, production-ready solutions with minimal disruption to business operations. I have 6+ years of enterprise Network Security and Infrastructure experience supporting financial services, healthcare, and critical infrastructure environments, including work associated with Visa, CommonSpirit Health, and Essential Utilities. CORE SERVICES Palo Alto Networks * PAN-OS firewall configuration, troubleshooting, and optimization * Palo Alto security policy and rulebase review * Panorama management and High Availability (HA) * GlobalProtect VPN * IPsec and SSL VPN * NAT and routing * Threat Prevention and IPS * Firewall migrations, upgrades, and hardening * Traffic-flow analysis and connectivity troubleshooting Fortinet and Cisco * FortiGate configuration, troubleshooting, and policy optimization * FortiManager and FortiAnalyzer * FortiGate VPN and High Availability * Cisco ASA and Firepower * Firewall migrations and hardware upgrades * Secure access controls and network security configuration AWS and Cloud Networking * AWS VPC architecture and network security * AWS Transit Gateway and routing * Security Groups and network segmentation * Site-to-Site VPN and hybrid-cloud connectivity * AWS, Azure, and GCP network security * Azure VNet and Network Security Groups (NSG) * Secure cloud migration and network architecture * IAM and RBAC security considerations Network Security and Architecture * Network security assessments and audits * Firewall rulebase and policy optimization * Network segmentation and micro-segmentation * Zero Trust architecture * Secure network design * VPN and remote-access architecture * SD-WAN * Network migrations and production cutovers * High-availability network design * Security architecture reviews Automation and Security Operations * Terraform and Infrastructure as Code (IaC) * Python and Ansible network automation * Security configuration auditing * Wireshark packet and traffic analysis * Network troubleshooting and root-cause analysis * Splunk * Microsoft Sentinel * Microsoft Defender * Security event and firewall log analysis SELECTED ENTERPRISE EXPERIENCE Essential Utilities — Critical Infrastructure Designed and optimized enterprise Zero Trust security controls across Palo Alto, Cisco, and Fortinet environments. Automated security configuration workflows using Python and Ansible, reducing manual deployment effort by 40%. Supported security monitoring, threat investigation, and incident response using SIEM and firewall telemetry. CommonSpirit Health — Healthcare Supported secure SD-WAN architecture across 12 healthcare facilities, achieving 99.99% network redundancy. Investigated and resolved complex network and security incidents using Splunk, Wireshark, SolarWinds, and Gigamon visibility infrastructure. Supported secure network connectivity and enterprise infrastructure operations across healthcare environments. Visa — Financial Services Supported enterprise network security within a highly regulated financial environment. Optimized firewall policies and secure network access controls and executed 50+ Cisco IOS/NX-OS migrations and hardware upgrades with zero unplanned downtime. Supported network security and connectivity across AWS, Azure, and Google Cloud environments while maintaining strict security and compliance requirements. I focus on understanding the actual traffic flow and configuration of an environment rather than applying generic recommendations. When troubleshooting an issue, I analyze routing, firewall policies, NAT, VPNs, security controls, and network traffic to identify the root cause and determine the appropriate remediation. Clients can hire me for a focused troubleshooting task, security assessment, architecture review, migration project, or ongoing network security support. CERTIFICATIONS CCNP — Cisco Certified Network Professional AWS Certified Solutions Architect — Associate Digital Forensic Investigation Certificate EDUCATION Bachelor of Science in Computer and Network Security Wilmington University

Senior Network Engineer, over 10 years experience in IT networks. Telecom, routing, switching, wireless, VOIP, VPN, firewalls, cabling, LAN/WAN. video surveillance, Cisco, Meraki, Ubiquiti, Netgear, SonicWall, HP and more. Cisco Routers, ISR 1900,2900.3900, 4300,4400, Voice Gateways, VG224, VG310, VG320,VG350, VG450. Voice, CSU/DSU, PRI, SIP. PSTN, POTS, analog lines. Cisco Wireless LAN Controllers ( WLC ) 9800, 5760, 5520, 5508, 4402, 2504. Access Points indoor,outdoor, CAPWAP, LWAPP, autonomous, mobility express, mesh and repeaters. IP Phones VOIP IP Phones Telecom Firewall ASA Network Security AnyConnect Cisco Unified Communications Call Manager, CUCM Collaboration Cisco Unity Connection, CUC CME Cisco Unity Express, CUE Power over Ethernet , POE , Network cabling Cisco Catalyst switches, 2960X, 9200, 9300, 3650, 3850,3750, 4506, 4510, 4500X Meraki Switches ,firewalls, Access Points and Cameras.