David O. Email and Phone Number
I solve complex network challenges and deliver reliable, scalable solutions that align with business objectives.As a seasoned Senior IT professional with over a decade of experience, I specialize in designing, implementing, and managing global enterprise networks across diverse environments, including Data Centers, WAN, LAN, Campus, and Cloud. I have successfully led and contributed to over 100 high-stakes projects for Fortune 500 companies and critical government agencies, leveraging my extensive expertise in technologies like Cisco (Catalyst, Nexus, SD-WAN), Arista, Palo Alto, Juniper, AWS, and GCP. My approach balances technical rigor with strategic foresight, ensuring optimal performance, compliance, and cost-effectiveness.Proficiencies: Routing & Switching, Data Center & Cloud, Security, Automation, Wireless, Network Monitoring.
Freddie Mac
View- Website:
- freddiemac.com
- Employees:
- 11232
-
Etl - Enterprise And Data CenterFreddie MacTexas, United States -
Engineering Technical LeadFreddie Mac Sep 2020 - PresentMclean, Va, UsCompany Overview – Freddie Mac (Federal Home Loan and Mortgage Corporation) is an essential component of the largest conglomerate of liquidity providers to the mortgage industry in the USA with more than $21trillion in annual transactions and network infrastructure that includes BlackRock Financial, Federal Reserve Bank, DTCC, Bank of America, JP Morgan, Goldman Sacks, USBank, and Wells Fargo among many others.● Specific Technologies handled include but not limited to Arista EOS VXLAN-EVPN, Cisco ISR/ASR, Cisco DNA-C, Cisco ASA/ASDM/FTD/FMC, F5 (LTM/GTM), Nexus switches, Cisco catalyst, Palo Alto NextGen firewalls, AWS transit gateway and Direct Connects, Splunk, Artifactory, Bitbucket, Ansible, Python, and custom in-house software tools. -
President / Principal ConsultantDr-Cs Llc Aug 2019 - PresentFrisco, Texas, Us -
Sr. Consultant / Technical ArchitectGdt - General Datatech Nov 2019 - Sep 2020Dallas, Tx, UsCompany Overview – GDT is a Cisco Gold Partner and an award-winning, international IT solutions provider and network integrator and a distinguished partner to several enterprise vendors. Partnerships include but are not limited to Versa, Cisco, AWS, Kubernetes, Puppet, Chef, HPE, Arista, Adtran, Azure, and Aruba. ● Senior Consultant/Architect responsible for designing and engineering complex solutions for enterprise clients including creating a problem statement, HLD/LLD, scoping SOW, and recommended BOM.● Specific Technologies handled include but not limited to Versa VOS/Director/Analytics, Cisco Viptela vEdge and cEdge, Cisco ISR/ASR, Cisco DNA-C/ACI, Cisco ASA/ASDM/FTD/FMC, Nexus switches, Cisco catalyst, Palo Alto NextGen firewalls, Juniper SRX, Solarwinds Orion, AWS transit gateway/Direct connect. -
Senior Network Design EngineerMckesson Apr 2019 - Nov 2019Irving, Texas, UsCompany Overview – McKesson Corporation is a Fortune 10 healthcare organization specializing in the global distribution of medical and pharmaceutical supplies. This includes a network infrastructure encompassing multiple regional datacenters (local and cloud) over 10k locations and three continents.● Specific Technologies handled include but not limited to Cisco Viptela vEdge, Cisco ISR/ASR, Nexus switches, Cisco catalyst, Palo Alto NextGen firewalls, Juniper SRX, Solarwinds Orion, Netscout TruView, Cisco Aironet WLC, Aruba WAP and HPE switches, Meraki MR WAPs and MS switches and MX firewalls. -
Senior Network ArchitectEaglepicher Technologies Jan 2019 - Apr 2019St Louis, Missouri, UsCompany Overview – Eagle Picher is a Tier 1 battery supplier for the DoD with several locations in North America including two data centers and a corporate HQ in St. Louis, MO and East Greenwich, R.I.Yash Technologies is an enterprise managed services provider spanning six continents. ● Senior Architect responsible for the design, engineering, administration, and analysis in an enterprise LAN/WAN environment for datacenters, corporate head-ends, WAN links, and branch offices.● Established a network segmentation strategy including security zones, routing, IP schema, and product lifecycle roadmap.● Designed an Enterprise-wide SD-WAN solution using SilverPeak.● Provided technical guidance to successfully pass a NIST 800-171 audit.● Specific Technologies handled include but not limited to Cisco Catalyst, Nexus switches, Palo Alto NextGen firewalls, VMware, Dell EMC, Windows Server. -
Senior Network Design EngineerEaglepicher Technologies 2018 - Feb 2019St Louis, Missouri, Us -
Network ConsultantInetvisions Llc 2015 - 2018Company Overview – Inetvisions LLC is a High-Speed ISP and Managed Services Provider providing a full breath of 24/7 mission critical LAN/WAN infrastructure and IT services at both corporate, data center, regional and branch locations for government agencies including school districts and key corporations.● Principal Member of a team of professionals responsible for end-to-end consulting, design, and management of an enterprise level mission critical W-WAN backbone infrastructure with focus on high availability and optimal performance.● Specific responsibilities including design, implementation, installation, configuration, administration, documentation, escalation support and monitoring/analysis using Solar winds and applicable deployment tooling. ● Additional responsibilities include conducting needs analysis and designing IT infrastructure solutions to meet specific client requirements including performance, time constraints and budget.● Specific Technologies handled include but not limited to Cisco, Mikrotik, Ubiquiti, Linux/Windows Servers, assorted management/monitoring tools. -
Onsite AnalystJohnson Controls 2011 - 2014Cork, Ireland, IeCompany Overview – Johnson Controls is a multinational conglomerate providing full range technologies for clients worldwide with an enterprise level global network with over 120,000 employees in more than 1,300 locations that includes global headquarters in Milwaukee, WI along with data centers and regional offices.Member of a global technical team responsible for day-to-day management of 24/7 mission critical technologies including scheduled and as needed administration, escalation support and troubleshooting. -
Onsite Technician (Scko)American Standard Brands 2006 - 2011 -
Isp Technical Support L2/L3Insite Support Services, Inc. 2004 - 2006
Frequently Asked Questions about David O.
What company does David O. work for?
David O. works for Freddie Mac
What is David O.'s role at the current company?
David O.'s current role is ETL - Enterprise and Data Center.
Who are David O.'s colleagues?
David O.'s colleagues are Marjola Leti, Veeral Patel, Donna Polansky, Taylor Medlin, Dan Smith, Terrie Thompson, Sara Lagvankar.
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