Dylan Baker Email & Phone Number

⦁ Troubleshot complex issues related to load balancing, routing, certificate management, STP, and connection quality across Cisco, Juniper, Palo Alto, and NetScaler systems.⦁ Coordinated and implemented large DR site migration with Veeam, supporting changes in Palo Alto Panorama, NetScaler, and DNS architecture.⦁ Fine-tuned Azure environment VNet scalability design. Troubleshot Azure network connection issues and documented existing environment in Visio.⦁ Led a thorough Palo Alto firewall audit, advising on essential upgrades to improve network security and meet industry standards while minimizing disruptive impact.

⦁ Configured and deployed PAN-OS SD-WAN uplinks and BGP peering at 6 remote sites.⦁ Redesigned legacy teleworker solution, deploying GlobalProtect and configuring a new underlay with Cisco 9800 Series WLCs and 9105 APs homed via Cisco DNA Center.⦁ Using Palo Alto Panorama, configured hundreds of policies and objects across 21 projects and resolved over 100 unique network security issues.⦁ Designed and configured six branch office collapsed-core deployments, utilizing Cisco 4331 ISR and Catalyst 9300L hardware.⦁ Implemented configuration changes to Cisco ISE 2.X and 3.X supporting NAC.⦁ Managed BIND 9 DNS zones and servers with Git for version control across 50+ projects.⦁ Configured and documented Juniper NFX150/EX4100 route/switch test environment⦁ Automated, configured, and monitored real-time reporting for Netbox, Zenoss, Cisco ISE, Kentik, Splunk, and PowerIQ.⦁ Analyzed monitoring and configuration data across Cisco ISE, Panorama, UCS, VMware vCenter, and individual network devices to troubleshoot an average of two networking issues per week for end-users.⦁ Patched and updated hundreds of network devices and servers monthly across Cisco UCS, VMware vCenter, Infoblox, SecureSync NTP, and Netbox.

⦁ Remotely designed and implemented four data center deployments with Nexus 7K/5K/2K switches, F5 BIG-IP LTM 7050 pairs, and Cisco ASA 5500-X pairs.⦁ Remotely designed and implemented core routing and switching hardware refreshes for over a dozen smaller clients, providing day 1 support as needed.⦁ Configured and troubleshot TACACS+ on hundreds of network devices, working with Active Directory to create and edit entries for network hardware.Aston Technologies is an IT services company where Senior Network Engineer titles are contracted out to a variety of clients, including:

Anaheim, California, United States

⦁ Configured, deployed, and refreshed two film production facility core switches, moving from Cisco 6509s to Cisco 9ks.⦁ Upgraded 2 branch office Nexus 7700 aggregation switches to F3 series blades.⦁ Upgraded 6 data center Nexus 7k FEX modules to standalone Cisco 9k switches, writing configurations for the new hardware.⦁ Configured and refreshed over 100 Cisco 3850 access switches across 5 branch offices, replacing them with 9300s and providing day 1 support and troubleshooting.⦁ Directed and configured hardware refreshes of 300 UPSes on multiple enterprise campuses.

Santa Monica, California, United States

⦁ Configured and deployed hardware for three pharmaceutical research sites including facility WAN/core/distribution/access utilizing Cisco ISR 4451/Nexus 56128/Catalyst 4500-X/Catalyst 4510R-E architecture.⦁ Migrated multiple pairs of ASAs to Palo Alto in a parallel build and migrate strategy.

Seattle, Washington, United States

⦁ Designed and migrated two 5,000+ port hospitals including 2 data centers cross-platform, from Juniper MX and EX-series to a Cisco core, with 6880-X-LE and 3850-X switches for routed core, distribution, and access layers, as well as eight remote clinics.⦁ Responsible for planning and managing dozens of "zero downtime" LAN access-layer switch migrations totaling more than 20,000 ports providing patient care services.⦁ Migration from legacy Catalyst 6509s running CatOS 8.X as aggregation/access layer switches to Nexus 5548 with L3 daughter card running NX-OS 6.X and 2248/2232 FEX modules for access layer connectivity.⦁ Implemented VPC on the Nexus 5500 series platform with 2248TP and 2232PP Fabric extenders providing 1/10Gbps connectivity to data center endpoints.⦁ Managed dozens of cable installation teams of varying experience levels to safely and effectively migrate hundreds of ports per night in a zero-downtime environment.⦁ Configured and implemented OSPF routing between site ABRs to establish redundant hospital-to-datacenter and hospital-to-hospital connectivity.⦁ Configured BGP peering and redistribution into OSPF per client standards, sharing routes between local routers and service provider networks.⦁ Configured and implemented site-wide QoS solutions utilizing custom route and policy maps.⦁ Created configuration standards for WAN routers which utilized BGP with Route-Maps and Core switches with OSPF Area 0.⦁ Configured site-to-site tunnels from ISR881s at 5 remote locations to a redundant pair of ISR4331s to sit behind a Cisco ASA 5505 pair.⦁ Cooperated with local IT to troubleshoot over two hundred urgent hospital network device downtime tickets providing day-1 support after access-layer migrations.

Seattle, Washington, United States

⦁ Directed and provided configuration for over 20 access switch refresh projects which included the installation of 3560 and 3850 switch stacks and 4510s for use in a hospital campus environment. Additionally, performed cutovers for the 3850s to avoid significant downtime.⦁ Configured and oversaw installation of 400 Cisco 2700 series access points throughout the enterprise as part of a high-density deployment including WLC upgrades to Cisco 5508 Wireless Controller pairs in an HA setup.⦁ Designed and implemented solution using Citrix NetScalar load balancers to commission and decommission servers, including the creation and deletion of 100 VIPs to facilitate this process.⦁ Experience with Cisco ASA firewall administration, rule analysis and rule modification.⦁ Worked with Checkpoint and Palo Alto User Interfaces to perform Day to Day administration along with rule consolidation for increased performance.⦁ Designed and configured Palo Alto PA-3000 series FWs utilizing WildFire to provide threat analysis and protection for enterprise Internet edge.⦁ Migrated various legacy Catalyst line cards to Nexus Sup2e, M1 series and F2 series line cards.⦁ Configured a pair of Nexus 7010 campus layer switches in a test environment utilizing VRRP and OSPF routing to the core.⦁ Set up OSPF routing protocol for both internal and external router-to-router connectivity establishing communication within the local site and between remote sites. ⦁ Designed and implemented Cisco Meraki solution utilizing MRXX with dedicated radio for continuous monitoring.⦁ Drove troubleshooting and engineering bridges to discuss and resolve ongoing issues concerning Cisco ScanSafe whether related to network connectivity or ScanSafe policies.