Michael Walker Email & Phone Number

Santa Cruz, CA, US

Palo Alto, CA, US

• Lead engineer responsible for design, build, and operations of Poly's global networks. The network infrastructure at Poly is extensive, dynamic and diverse, and there are significant design and build opportunities that.
• Lead Engineer for two large-scale acquisitions: Tasks included reconciliation of IP address space, design of integrated WAN topology, standardization of routing protocols, unification of monitoring platforms and.
• Transformed Poly’s global IPv4 address space. New template supports global regions, engineering functions, discrete business units, and security segmentation. Project included overlay and migration tasks for 60.
• Developed and deployed the company’s IPv6 network including global IP address plan, IGP and BGP routing and dedicated WAN backbone. Native IPv6 Internet egress and provider BGP connections were established at the edge.
• Lead engineer for global WAN replacement. This project required running concurrent providers with interconnects during migration and developing scripts for migrating sites in a live production network.
• Co-authored and implemented WAN contingency plans to provide redundancy for WAN and Internet connectivity. WAN redundancy utilized BGP over Internet-based VPNs, and Internet redundancy used weighted BGP to send traffic.

Dunwoody, GA, US

• Employee #5 in an 80-person company, this start-up was “agile” before Agile. Initially responsible for design, build, and operations of a nationwide WiFi network deployed at state and federal courthouses, the scope was.
• Responsible for technical direction within the company: Created and maintained technical standards and implemented all technical strategy. Led technical POCs and managed integration of new technologies.
• Built and managed a nationwide Wi-Fi network: Redesigned and expanded a single site deployment to service 75 state and federal courthouses. Scalable deployment was structured to support multiple use-cases with simple.
• Built and maintained the company’s ISP offering: This service provided a private QoS-enabled network for voice and video conferencing services at major law firms. The design included the IP address scheme, WAN design.
• Developed failover and disaster recovery procedures: Built and maintained two redundant datacenter environments to support the WiFi and ISP infrastructure. Design included redundant, private carrier connections and.
• High achiever in demanding environment: Steady promotions and increased responsibilities in a role that required significant adaptation and mastery of new technologies.

Miami, Florida, US

• A prototypical Y2K boomtown, Exodus Communications (later Cable and Wireless) provided network professional services to a variety of customers ranging from small dotcoms to large enterprise customers. In this.
• Managed network design and builds: Managed customer’s deployment from concept to build. Responsible for distilling requirements, determining scope and scale, equipment specification, budgeting, design, build, support.
• Developed multiple templates for advanced enterprise network designs: IP address schema, remote access solutions, vendor/partner connectivity, LAN/WAN redundancy and DR options. These templates were adopted across the.
• Drove business within the company: Generated significant revenue for Cable & Wireless by proposing additional projects and enhancements to customers. Gained credibility by completing these projects on-time and within.
• Responsible for executive and technical presentations: Developed collateral and tailored exhibitions for various audiences. Able to distill and present complex topics in an approachable way.
• Strong performer: Earned highest possible evaluations on annual reviews, led staff in billable hours for multiple quarters, maintained consulting engagement with the largest customer in the SW region. Multiple.

Minato-ku, Tokyo, JP

• Responsible for multiple large-scale projects relating to the operation of Toshiba’s internal networks and WAN connections to their external vendors. Originally employed as a consultant to head-up an e-mail platform.
• Served as a senior member of a team that successfully completed a 10-month, 3 million dollar redesign of the Irvine, CA campus network. Project included everything from IDF construction to equipment configs.
• Led a project team to redesign the Toshiba Manufacturing network. This high-profile project replaced network cores, distribution and access layers in a 24 x 7 environment that was intolerant of downtime.
• Implemented a redesign of external vendor connections by creating new DMZs on existing CheckPoint FWs, developing a security policy for each vendor, and relocating their ingress.
• Standardized and controlled routing protocols between LAN and WAN sites as well as external customers and implemented access control and anti-spoofing filters on edge devices.
• Earned TAIS Performance Award (monetary award), 1998 -2000.