King Davis

Principal Cybersecurity Architect and U.S. Navy Veteran with over 25 years of enterprise-wide expertise spanning IT professional services, Security Architecture Solutions, Compliance, Risk Management, and Disaster Recovery.

Recognized Subject Matter

Expert (SME) in Cisco Identity Services Engine (ISE), Network Access Control (NAC), and Zero Trust architectures within high-consequence Department of Defense (DoD), federal, financial, and retail environments. Proven track record of orchestrating massive enterprise migrations, delivering multi-million dollar cost-efficiencies, and designing highly resilient, mission-critical systems.

Senior Cybersecurity Architect / Cisco ISE Information Security Specialist - Alamo City Engineering Services

(2024-03 - 2025-06)

• DoD Zero-Trust & Comply-to-Connect (C2C) Architecture: Served as the principal Cisco ISE Subject Matter Expert (SME) for DISA, architecting and deploying highly available, redundant Network Access Control (NAC) solutions across Federal, Civilian, Defense, and Intelligence agencies. Engineered foundational ISE security policies for endpoint profiling, compliance validation, remediation, and access enforcement.
• Enterprise Systems Integration: Integrated Cisco ISE platforms with critical enterprise management and endpoint security systems, including SCCM/MECM, Microsoft Defender for Endpoint (MDE), Trellix ePO, and Tenable ACAS to orchestrate seamless automated patching, anti-virus validation, vulnerability scanning, and access control workflows.
• Infrastructure & Protocol Expertise: Applied deep technical proficiency across core networking protocols (802.1X, RADIUS, TACACS+, DHCP, DNS, SNMP, LDAP) to sustain operational readiness across complex enterprise Windows, Linux, and VMware environments, managing core switching, LANs, VLANs, and secure VPN architectures.
• Federal Compliance & Cloud Governance: Authored technical Standard Operating Procedures (SOPs) and customer-facing engineering documentation aligned with RMF, DISA STIGs, and federal information security frameworks. Leveraged familiarity with the Joint Warfighting Cloud Capability (JWCC) to support defense units in advancing secure, compliant cloud-based security initiatives.

Senior Cisco ISE Information Security Specialist - Alchemy Global Networks

(2022-01 - 2024-03)

• Enterprise Zero Trust Architecture: Delivered advanced cybersecurity architecture and strategic advisory services across Federal, Civilian, Defense, and Intelligence agency clients.
• DoD Comply-to-Connect (C2C) Leadership: Engineered and deployed robust, secure network access control solutions centered on the DoD Zero Trust framework, utilizing Cisco Identity Services Engine (ISE).
• Core Protocol Expertise: Applied deep hands-on proficiency in critical infrastructure and identity protocols—including 802.1X, RADIUS, TACACS+, DHCP, DNS, SNMP, and LDAP—to architect comprehensive security systems.
• Cross-Platform Systems Integration: Partnered closely across complex client environments to enforce security policies, optimize identity-driven access controls, and ensure seamless platform integration.

Senior Information Security Specialist - Wells Fargo

(2009-10 - 2022-01)

• Enterprise Security Architecture: Designed and implemented scalable network security solutions using Cisco ISE, serving as the Subject Matter Expert (SME) for compliance, risk management, and enterprise standard validation.
• Identity & Access Management (IAM): Built robust IAM frameworks utilizing 802.1X, RADIUS, and TACACS+ to secure and manage wired, wireless, mobile BYOD, and guest network connections.
• Advanced Infrastructure & Segmentation: Architected secure enterprise networks incorporating SDN, Virtual Routing and Forwarding (VRFs), multi-DMZ segmentation, and network domain isolation using Cisco and Aruba technologies.
• Security Operations Integration: Integrated network security systems with internal Azure private cloud environments, F5 load balancing strategies, network monitoring tools, and Splunk SIEM/SOAR for predictive detection and event management.
• Cross-Functional Leadership & Mentorship: Partnered cross-functionally with business units and stakeholders to drive security initiatives, author enterprise SOPs, and translate complex business needs into technical infrastructure designs. Managed and developed human resources by guiding junior team members, consultants, and interns, while leading Business Continuity Planning simulations to ensure operational resilience.

Senior Network Security Architect - Petsmart

(2007-11 - 2009-10)

• Retail & Distribution Security Architecture: Designed and deployed a robust enterprise security infrastructure supporting over 1,200 retail outlets and 15 distribution centers. Engineered high-availability data center security across core, edge partner, and LAN/WAN MPLS network architectures utilizing Cisco ASA firewalls, security modules, and virtualization.
• Financial Compliance & High-Impact ROI: Spearheaded end-to-end encryption security design for retail POS terminals and PIN pads, securing payment transaction data in strict compliance with PCI-DSS standards and delivering a $9 million annual ROI. Consolidated legacy security systems for fault tolerance, capturing an additional $2 million ROI over five years.
• Secure Mobility & Automation Initiatives: Architected remote access, internet proxy, IPsec, SSL, and point-to-point VPN solutions utilizing Cisco ACS and Cisco ISE. Directed the network security design for a retail warehouse barcode hand-scanner project, capturing operational efficiencies of over 500,000 person-hours annually.
• BCP & Risk Management: Served as the operational risk management team leader, executing Business Continuity Planning (BCP) and Disaster Recovery (DR) exercises across N+1 and N+2 data center topologies. Authored comprehensive mitigation documentation, SOPs, and operational runbooks while building custom Cisco ISE/ACS dashboards and context-aware alerts.

Network Security Engineer - Cisco Systems Inc.

(2007-01 - 2007-11)

• Endpoint Security & Vulnerability Remediation: Served as a Hardware/Software Subject Matter Expert (SME) to develop, install, and maintain enterprise endpoint security solutions. Authored comprehensive monthly security and vulnerability reports detailing logged incursions and designed standardized incident logging workflows to analyze historical data and prevent future breaches.
• Infrastructure Monitoring & Threat Assessment: Conducted rigorous security assessments and infrastructure audits to identify system vulnerabilities, ensure compliance, and provide strategic recommendations for directory services security and disaster recovery. Managed application patching, data backups, and routine security configuration changes to safeguard critical information assets.
• Network Operations & Performance Optimization: Monitored network capacity and performance, leveraging SNMP software and advanced network monitoring tools to diagnose and resolve complex routing and infrastructure problems. Maintained close collaboration with security teams to enforce software updates, optimize server uptime, and streamline emergency technical escalation processes.
• Device Lifecycle & Compliance Governance: Managed the department's device catalog program to securely onboard new and existing hardware types while verifying the absolute absence of inherent datasets. Authored detailed technical documentation, network diagrams, and procedural guidelines to protect information system assets from unauthorized modification, disclosure, or destruction.

IT Management Consultant - Concise Networking Technology

(2006-05 - 2007-01)

• Enterprise Consulting & Project Leadership: Served as the IT Management Consultant, Subject Matter Expert (SME), and primary point of contact for complex enterprise network upgrades, deployment initiatives, and strategic project management. Spearheaded technical proposals and consulting engagements, providing clear technical direction to network engineering and cross-functional teams to align infrastructure with evolving client specifications.
• Cross-Functional Solution Design: Partnered closely with software development, testing, and system architecture teams to design, test, and implement robust solutions meeting strict scalability, performance, and functionality benchmarks. Successfully led high-scale remote access and network design initiatives supporting large-scale enterprise infrastructures, including 20,000+ node environments.
• Systems Engineering & Deployment: Installed, configured, tested, and maintained complex operating systems, enterprise application software, and system management tools across diverse Windows and Unix environments. Managed lifecycle system deployments.