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David Radmacher

Network and solutions architect based in Québec, Canada
Email / CV

🖥🎵 Interests

  • Web presentation technologies
  • The transition of physical data centre networks into the cloud
  • Software Defined Networks - WAN and DC/Cloud Fabric
  • Security and privacy technologies
  • Cloud infrastructure
  • Infrastructure as Code and network automation
  • Music of all kinds

🎓 Education

  • Bachelor of Science, Computer Science - University of Regina
  • Cisco SD-WAN Operation and Deployment (ENSDW) v1.0
  • Checkpoint VPN - 1 / Firewall-1 NG Management 1 & 2
  • Cisco ICND [Interconnecting Cisco Network Devices]
  • Cisco BCMSN [Building Cisco Multilayer Switched Networks]
  • Cisco BSCI [Building Scalable Cisco Internetworks]
  • Cisco CWENT/VMS [Implementing CiscoWorks for LAN/WAN]
  • Cisco ICSNS [Implementing Cisco Storage Networking Solutions]
  • Cisco QOS [Implementing Cisco Quality of Service]
  • Cisco Secure PIX Firewall Fundamentals
  • Cisco Secure PIX Firewall Advanced
  • Nokia IP Firewall

✅ Certifications

  • ITIL Foundations
  • Google Cloud Certified - Associate Cloud Engineer
  • Google Cloud Certified - Professional Cloud Architect
  • CKA - Certified Kubernetes Administrator

💬 Languages

English: Native
French: Functional

🧰 Skills

  • 20 years experience designing, managing and maintaining Cisco centric networks
  • Strong knowledge and experience with F5 BigIP ADC
  • Extensive experience with campus and data centre routing and switching technologies
  • Experience with IGP and EGP routing protocols like OSPF, EIGRP and BGP
  • Holistic technical knowledge and experience in multiple IT domains

👨‍💻 Experience

Head of Networks and Solutions @ Columba Systems (2019 - Present)
IT Services Organization

  • Designed multi tenant Cisco SD-WAN solution providing isolation and controlled resource sharing
  • Designed and deployed a globally load balanced, containerized, open source web presentation platform
  • Provided guidance on multiple projects to bring them in line with organizational standards

Network Projects Engineer @ NZone Media (2014 - 2019)
Marketing and IT Services

  • Designed, deployed and maintained a global private content distribution network leveraging BGP AnyCast
  • Designed, deployed and maintained a global F5 BigIP ADC solution
  • Designed multiple highly available Cisco Nexus data centre networks across the globe, including disaster recovery sites
  • Worked with the Infrastructure team to design and deploy on-prem OpenStack private cloud across multiple geographic regions
  • Migrated WAN to Cisco iWAN in conjunction with the Network Operations team

Senior Network Administrator @ NZone Media (2009 - 2014)
Marketing and IT Services

  • Acted as a technical and team lead for a global network team
  • Deployed BGP based DDoS mitigation systems to handle massive attack volume
  • Designed and deployed multiple Cisco Nexus data centre networks
  • Migrated data centres from IOS to NXOS devices
  • Worked with Cisco’s UCS in addition to multiple other server platforms
  • Deployed Gigamon enterprise packet capture and analysis systems
  • Performed intrusion mitigation, isolation, and investigation on live systems
  • Deployed a globally managed Cisco wireless network
  • Managed multiple customer facing data centres across the globe with BGP multi-homing
  • Migrated existing MPLS WAN to a new service provider

Network Administrator @ Morris Mohawk Gaming Group (2007 - 2009)
B2B Organization Servicing the First Nations Gaming Industry

  • Deployed multiple DMVPN, SSL, site-to-site, and GET VPNs
  • Assisted in organization wide roll out of Palo Alto Firewalls
  • Implemented QoS in the network for VoIP and other services
  • Assisted in large scale VMWare ESX deployment
  • Created technical and non technical documentation for wide ranging audiences
  • Built monitoring systems for network and server equipment
  • Transitioned core firewalls from FWSM to ASA
  • Migrated network infrastructure from Point-to-Point serial links to MPLS network

Network Operations | Team Lead @ Government of Saskatchewan (2000 - 2007)

  • Architected and installed large capacity, highly available network for centralized IT government services
  • Deployed and maintained Windows and Unix based systems
  • Managed over 250 Cisco firewalls and associated VPNs
  • Managed multiple government department networks, including data centre, campus and MDS storage network

📌 Side Projects

Web Developer and SysAdmin @ POP Montréal
Non Profit Music Festival in Montréal, Quebec

  • Provide network and system support for the POP Montréal office
  • Worked with POP Montréal to redesign their website
  • Built and maintained a high complexity Drupal system that integrated with multiple external partners
  • Performed performance tuning on the database and web front end to accommodate high volumes
  • Managed and maintained the Linux web server and underlying systems [MySQL, PHP, Apache]

🤝 Volunteer Work

Board Member POP Montréal (2016 - 2020)

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