Current Professional Experience

Senior Principal Network ArchitectApril 2023 - Present

AdventHealth, Altamonte Springs, FL

AdventHealth is a faith-based health care organization headquartered in Altamonte Springs, Florida. A national leader in quality, safety and patient satisfaction, AdventHealth's more than 80,000 employees maintain a tradition of whole-person health by caring for the physical, emotional and spiritual needs of every patient.

• Developed custom tools to make API calls controlling integrated Dell chassis MX9116N switches, ACI, and Solar winds
• Finalized deployment of network owned docker environment to push forward with network operations development
• Architected solution combining Palo Alto Zero Touch Provisioning (ZTP) and Large Scale VPN (LSVPN) to deliver EPIC EMR as a service to standalone physician practices.
• Led proof of concept deployment for Palo Alto 7080 integration into ACI using service graphing
• Participated in business lead network distributed re-designs including deploying point-of-presents (POP) in Equinox datacenters
• Collaborated with Cloud Infrastructure Team to bring online a network Terraform workspace linked to GitHub allowing centralized deployments of Palo Alto NATs during a multiple hospital acquisition project
• Collaborated with Cloud Infrastructure Team to bring up Palo Alto VM Series firewalls using Azure Virtual Machine Scale Sets (VMSS)
• Developed standard operating procedures (SOP) and playbooks for the operational support engineers

Entrepreneur / DeveloperJuly 2021 - Present

DjPic LLC, Sanford, FL

DjPic, LLC is a web application development and network consultant company whose primary focus is on building and developing custom web applications.

• Configure GitLab CI Pipelines using Python and shell scripts to automate building and deploying of Docker containerized applications in both production and development.
• Integrate Stripe Payment Checkout into online store selling nature photography
• Built SMTP Server using PHP to process email using backend MySQL Database
• Integrate Stripe Payment Subscriptions into SaaS application using Stripe APIs
• Design and build MySQL application databases
• Develop web applications back ends using PHP with integration with MySQL and Memcached
• Design and build web application front ends using HTML, CSS, and Javascript
• Maintain Docker environment for deploying containerize applications
• Researched and ran proof of concept (POC) for Docker Swarm Mode using Treafik Proxy
• Researched and ran proof of concept (POC) using DigitalOcean's Kubernetes Clusters

Past Professional Experience

Principal Network ArchitectMarch 2022 - April 2023

AdventHealth, Altamonte Springs, FL1 year and 1 month

• Led datacenter refresh requiring replacement of all Nexus 7k/5k architecture with Cisco Application Centric Infrastructure (ACI)
• Developed API calls using Postman to automate the creating of policies within ACI during the migration
• Integrated ACI with Dell MX7000 chassis and HP B22 fex modules with FCoE in ACI
• Architected a new solution to segment hospitals from each other using active-active Palo Alto Firewalls and SilverPeak SD-WAN. Worked with fellow architects, consultants, and lead network engineers to test and develop a plan to migrate all 30+ hospitals to the new network segmentation standard.
• Participated in a team to explore gaps in resiliency across multiple critical infrastructure technologies and developed plans to eliminate those risks

Principal Network EngineerOctober 2019 - March 2022

AdventHealth, Altamonte Springs, FL2 years and 5 months

• Led the proof of concept deployment for AnyConnect Always-On VPN with management VPN tunnels
• Led the adoption of Palo Alto for the new enterprise firewall standard displacing Cisco ASA and FTD
• Supported the organization during the COVID-19 pandemic in rapidly expanding remote access capacity using ASA VPN Load Balancing
• Developed specialized documentation for technical teams to support VPN
• Collaborated with the enterprise domain services team and security to implement dual-certificate authentication for AnyConnect VPN
• Worked with multiple business units on architecting the multi-year transition from Cerner to EPIC EMR
• Researched Docker as a solution for custom network-based applications to streamline network development operations
• Completed proof of concept for Symantec Web Security Service (WSS) to be used with Decentralized initiative
• Co-architected enterprise decentralized internet plan using SilverPeak SD-WAN, Palo Alto (Active/Active), and Symantec Web Security Service (WSS)
• Deployed Palo Alto active-active mixed mode with floating IP and route redundancy using BGP and OSPF
• Collapsing enterprise routing aggregate point by replacing a pair of Nexus 7k, Nexus 5k, and CAT6808 with a single CAT9606 pair
• Researched and implemented load balancing primary internet providers with an optimal path section using BGP Paths
• Ran Proof of Concept to use F5 SSL Orchestrator as the decryption platform for proxies, firewalls, and IPS
• Led the enterprise migration from Cisco Web Security Appliance (WSA) to Symantec BlueCoat ProxySGs with integration to Symantec WSS

Lead Network EngineerSeptember 2018 - October 2019

AdventHealth, Altamonte Springs, FL1 year and 1 month

• Led a team of four senior and intermediate network engineers with the focus of network security operations (firewalls, IPS, web proxy)
• Led deployment of new InfoSec Division network security initiatives
• Played a vital role in the deployment of privileged account management (PAM) solution BeyondTrust
• Led deployment of new dual-vendor firewall strategy using Palo Alto 5260

Senior Network EngineerNovember 2016 - September 2018

AdventHealth, Altamonte Springs, FL1 year and 10 months

• Developed web application to accurately calculate WCCP buckets based on source IP
• Led Migration from Nexus 7k to Catalyst 6880s for the WAN Core
• Architected solution using Catalyst 3ks and ASA 5506-X for Mobile Modality units
• Worked closely with Enterprise Information Security team planning migration to dual-vendor perimeter per Hi-Trust requirement.
• Led collapsing WSA environments after Florida Hospital merger
• Implemented dynamic EIGRP peering for collapsed ASA VPN Firewall reducing the need for manual static routing
• Developed and tested method to use machine certificates for client VPN machine verification in effect limiting connection to domain-joined devices
• Configuring Cisco ASA 5500-X series firewalls running multiple versions of OS
• Management of WSA appliances including troubleshooting website issues and submitting exceptions to the data security office
• Worked directly with SecureAuth to upgrade from 9 to 10 code
• Supported enterprise Network Analysts

Network EngineerApril 2013 - November 2016

AdventHealth, Altamonte Springs, FL3 years and 7 months

• Architected and engineered new internet edge with SourceFire IPS and ASA 5585-X
• Led Cisco Web Security Appliance (WSA) project to replace BlueCoat ProxySG as the enterprise web proxy appliance
• Deployed Cisco Virtual Switching System (VSS) at Huguley Medical Center
• Configuring Cisco ASA 5500-X series firewalls running multiple versions of OS
• Implemented the PCI segment using Private VLANs throughout the datacenter on Nexus Enterprise 5k and 7k switches
• Successfully architected and engineered firewall clustering using ASA5585 SSP60s
• Preformed Firewall Services Module (FWSM) to ASA migrations throughout the enterprise
• Rebuilt site to site VPN configuration to be migrated from ASA 8.2 to 9.0
• Clasped the site-to-site VPN firewall with AnyConnect SSL firewall to a pair of ASA5585 SSP20s
• Implemented AnyConnect DAPs for SSL VPN using SecureAuth IDP two factor and LDAP integration
• Built new standard with documentation and began integrating VPN filters for Site to Site VPN Tunnels on ASAs
• Supported Texas region Network Analysts
• Maintained routed network using EIGRP and BGP
• Management and configuration of Citrix NetScaler load balancer
• Management of BlueCoat ProxySGs using WCCP in an enterprises environment

Network AdministratorMay 2009 - April 2013

City of Altamonte Springs, Altamonte Springs, FL3 years and 11 months

Effectively managed the IT system for this city government of approximately 390 staff serving 43,000 citizens to ensure ongoing operations including the administration, troubleshooting and support for internal users.

• Designed, programed, and implemented custom TimeManager software instituting cost saving measures for employee work management and payroll
  • Streamlined payroll business procedure from an extended process to a single-day task
  • Approximate cost savings of $150,000 annually
• Experienced in the installation, configuration, and troubleshooting of:
  • Cisco Switch MAN Network
  • Cisco ASA Firewalls (including site-to-site & AnyConnect VPN)
  • Cisco Network Admission Control (NAC)
  • Cisco Identity Services Engine (ISE)
  • Cisco Wireless LAN Controller
• Responsible for purchasing new equipment for the IT department which includes writing purchase orders, negotiating with vendors, and maintaining a pre-set budget
• Performed network packet analysis with Fluke OptiView Series III
• Implemented and managed RSA SecurIDs
• Managed Avaya IP phones and systems
• Implemented and managed Windows Servers, Active Directory, IIS, and Exchange Server
• Knowledgeable in advanced VMWare Enterprise Troubleshooting
• Configuring and administration of Red Hat Enterprise (Apache, MySQL)
• Trained and counseled Tier 2 Help Desk Technicians

Technical Support SpecialistSeptember 2008 - May 2009

City of Altamonte Springs, Altamonte Springs, FL8 months

Provided hands-on technical support to staff and additionally resolved internal IT issues including installation of products, and website updates.

• Resolved all software and hardware issues for all users of Windows XP Professional/Server 2003
• Maintained HTE / AS400, ReTrac, ClerksIndex, Café 2000, BMC Service Desk
• Account administration of Active Directory and Exchange Server
• Network and printer troubleshooting
• Installed new systems including end-user work stations
• Executed all public and intranet website updates

Computer Technical Specialist / Web ArchitectSeptember 2004–08

Uptech Computer, Winter Park, FL4 years

Responsible for on-site and in-store home and business IT services including virus detection and removal, data recovery, and networking. Provided technical support for existing laptop and desktop systems, sales of new systems and a continuum of IT customer service to clients.

• Consult with clients to assist with the design and build of custom processing systems as well as advising them towards the purchase of additional products and services
• Deploying and maintained client wired and wireless LAN Networks
• Installed and Administered Windows Server 2003 Small Business (DHCP, DNS, and IIS; Exchange Server 2003; Windows Domain experience)
• Installed and Administered Fedora Core 9 web server (MySQL, Apache)

Entrepreneur / Computer Specialist2003 – 2006

Dale M Picou Enterprises, Lake Mary, FL3 years

Small business owner responsible for on-site computer repairs for both commercial and residential customers, along with web development and website hosting.

• Designed and assembled high end desktop computer solutions for clients that demanded a quality product and ongoing customer service
• Eradicated spy-ware and viruses from client’s computers and educated them on proper security measures to avoid additional issues
• Developed and maintained an ecommerce retail store with over 800 billiard products shipped to national and international customers