the_information_nexus/personal/resume/resume_notes.md

Professional Experience

Consulting Systems Engineer | TBX | May 2022 - Present

• Serve as SME for service provider networks (Meraki SD-WAN/Fortinet Security Fabric)
• Develop technical go-to-market strategies and conduct POC deployments
• Implement network automation using Python/Ansible for configuration management
• Deliver technical enablement through workshops and training sessions

Network Development Engineer | Amazon Web Services | Sept 2021 - May 2022

• Troubleshoot complex cloud networking issues (BGP, OSPF, Direct Connect, Transit Gateway)
• Develop network automation tools for monitoring/management (Python)
• Create technical documentation including network diagrams and SOPs
• Serve as Tier 3 escalation point for critical network incidents

Principal Network Architect | Verizon | Jan 2020 - Sept 2021

• Design enterprise-scale networks (LAN/WAN, SD-WAN, data center solutions)
• Lead RFP responses and technical solution design for Fortune 500 clients
• Developed pre/post diff Bash scripts for config validation
• Mentored teams in YANG, NetConf, and Meraki API Python automation
• Led Avis migration from Cisco to Versa SD-WAN/Aruba solutions
• Spearheaded Walgreens nationwide WAN optimization project

Cloud Network Engineer | Entrust | Jan 2020 - Present

• Implement AWS network infrastructure with PCI-DSS compliance
• Manage F5 BIG-IP load balancers and Palo Alto NGFW deployments
• Automate network provisioning using IaC tools (Terraform, Ansible)
• Built staging environment despite organizational challenges
• Created Ansible playbooks (cisco.ios) for ACL whitelist management
• Assisted Illinois CU VPN deployment for overwhelmed customer team

Senior Network Consultant | Zivaro | Oct 2018 - Present

• Design/implement Cisco ACI fabric and DNA Center solutions
• Developed network migration strategies for cloud adoption
• Resolved Simmons Foods VOIP QoS issues; proposed Ansible over DNA Center
• Designed VXLAN data center fabric for Denver Health
• Implemented Layer 3 to edge for CDPHE despite team opposition
• Played key role in Cisco Gold Partner recertification

Data Center Network Engineer | Charter Communications | Sept 2018 - July 2019

• Managed F5 LTM/GTM and A10 Thunder load balancing infrastructure
• Implemented EVPN/VXLAN overlay networks
• Automated TACACS with Bash scripts
• Implemented RANCID for config backups
• Identified buffer tail drops on Data Domain SSL replication (port 29000)
• Used PRTG to pinpoint saturated links
• Coordinated cross-team Video VPN deployment

Network Infrastructure Engineer | American Residential Services | Jan 2018 - Jan 2019

• Migrated 100+ sites to Cisco Viptela SD-WAN
• Standardized firewall configurations (Cisco ASA/Juniper SRX)
• Deployed Cisco Umbrella DNS filtering
• Implemented RANCID for config management
• Designed cost-effective OOB/UPS solution using eBay gear ($15K+ savings)

Senior Data Center Engineer | Kaiser Permanente | June 2016 - May 2018

• Deployed Cisco ACI across multiple data centers
• Migrated Nexus switching infrastructure (7K/5K to 9K)
• Fixed Exadata OSPF issues to meet vendor deadlines
• Resolved Data Domain buffer drops affecting encrypted replication
• Rectified wrong SFP orders delaying DR buildout
• Enhanced HPNA functionality for operational efficiencies

Senior Technical Architect | AT&T (TIAA-CREF) | July 2010 - May 2016

• Led $100M network refresh (Nexus/ASR/F5)
• Migrated load balancing from Brocade to F5 BIG-IP
• Optimized mainframe OSPF (Area 51 routing)
• Standardized blackhole routing configurations
• Overcame challenges in DC buildout
• Identified NetApp LACP RFC non-compliance via Tcl scripts
• Implemented OSPF on F5 devices

Technical Skills

Networking:

• Routing: BGP, OSPF (including F5/mainframe implementations), EIGRP, MPLS
• Switching: VLAN/VXLAN, EVPN, ACI, Nexus
• SD-WAN: Cisco Viptela, Meraki, Fortinet, Versa
• Load Balancing: F5 LTM/GTM, A10
• Protocols: LACP (RFC compliance analysis), STP

Cloud & Automation:

• AWS: VPC, Direct Connect, Transit Gateway
• IaC: Terraform, Ansible, Python
• Scripting: Bash (config diffs/TACACS), Tcl (NetApp analysis)
• Monitoring: PRTG, RANCID, Splunk

Security:

• Firewalls: Palo Alto, Cisco ASA, FortiGate
• Compliance: PCI-DSS, NIST
• VPN: Site-to-site, client (including troubleshooting)

Management & Collaboration:

• Technical documentation (SOPs, network diagrams)
• Cross-functional team leadership
• Vendor management (Exadata, NetApp)
• Cost optimization strategies

---

ATT

• Backup -- spanning-tree bridge
• F5 -- OSPF
• Pre/Post diff bash script
• DC build out -- many roadblocks
• mainframe OSPF - assist team optimize OSPF area 51
• NetApp -- LACP TcL script -- identified NetApp didn't follow RFC
• Blackhole project -- standardized config and validated functionality

Kaiser

• HPNA -- added to functionality -- improved efficiencies
• DR data center build-out -- order wrong SFPs
• data domain -- identified buffer tail drops -- port 29000 SSL encrypted replication
• Exadata -- help vendor with OSPF issues to meet his deadline -- learned ES switch OSPF config

Charter

• RANCID
• DNS helped Linux team ran network topology refresh SME
• PRTG -- identified links being saturated
• TACACS -- automated with BASH
• Video vpn -- over-all project -- drive different teams

Zivaro

• Simmons QOS -- difficult customer -- lowered VOIP call quality issues
• Simmons automation -- SoW for Ansible -- Steered away from DNA AE didn't agree $$$
• CDPHE layer 3 to edge -- team didn't agree
• Denver Health -- vxlan DC build out
• Cisco gold partner -- took over high profile role

ARS (Consulting Systems Engineer III, Zivaro (Oct 2018 - Jan 2020))

• RANCID -- setup
• Data center design -- team didn't agree with approach -- simplified design
• OOB/UPS project -- prior to roll out manager had to come in to reboot for us -- save $$$ using ebay to obtain gear
• Umbrella --

Entrust (Consulting Systems Engineer III, Zivaro (Oct 2018 - Jan 2020))

• Staging build out -- VP difficult
• Il CU VPN assistance -- customer in over his head
• Whitelist -- ACL Ansible playbook using cisco.ios

Verizon

• Avis -- Cisco shop -- SA went Versa and Aruba
• Walgreens -- over-all above and beyond
• DRs-in calls -- mentor SAs to learn automation -- YANG, Netconf, API, Meraki Python package