Prk. Gumamela, Brgy. Busay Bago City, Negros Occidental 6101 Philippines |
|
+63 919 076 1799 | |
[email protected] |
Name: | J. R. (Ralf) Lenz |
DOB: | 27 Nov 1977 (Age 46) |
Birthplace: | Green Bay, WI, USA |
Residence: | Bago City, Philippines |
Status: | In a relationship |
Systems Engineer, Software Architect, and Instructor/Mentor for a startup specializing in data acquisition and telemetry using LoRaWAN technology.
Skills: Full Stack Development | Strategic Infrastructure Architecture | Project Management | Network Design (Juniper SRX/VyOS) | LoRaWAN Hardware (RAK Wireless, Dragino, MakerFabs) | LoRaWAN Software (ChirpStack, MQTT, Custom Applications) | Virtualization & Hypervisor Cluster Management (Proxmox VE)
Systems & Network Engineering consultant for a managed datacenter/hosting environment headquartered in Salt Lake City, Utah.
Skills: Full Stack Development | Strategic Infrastructure Architecture | Project Management | Cybersecurity | Network Engineering (Juniper/Cisco/VyOS) | Dynamic Routing (BGP4, OSPF, IS-IS) | Virtualization & Hypervisor Cluster Management (Proxmox VE)
Principal seed investor in 24/7 convenience store in a farming-oriented, rural Philippine community.
Global technical executive manager and strategic technical architect for a mid-market BPO headquartered in Philadelphia, with fulfillment centers in multiple cities in the Philippines, Ghana, and Mexico.
Oversaw growth from single-center operation (Iloilo, PH) to 8 geographically-divergent centers at the time of my departure, in addition to three datacenters (Los Angeles, Chicago, Amsterdam).
Skills: Management (Executive) | Strategic Infrastructure Architecture | Budgeting & Allocation | Remote Team Management | Project Management | Risk & Governance | Networking Hardware & Configuration (Juniper/Cisco/HPE) | Dynamic Routing (BGP4, OSPF, IS-IS) | Microsoft 365 Administration (SharePoint/Intune/MDM) with hybrid on-prem Active Directory (GPO/User Management) | DHCP | DNS | L1/L2/L3 Technical Support
Principal engineer and architect of HIPAA-compliant tech stack for an innovative pandemic-related startup provider of in-vehicle medical consultation and COVID-19 testing.
Skills: Juniper SRX | Full-stack Web Development (PHP8/Laravel, TypeScript/JS, Payment Systems) | Systems Administration (Linux / FreeBSD) | System Architecture
Dual role as a Senior Systems Engineer and Senior Web Applications Developer for a mid-sized datacenter / colocation facility (since absorbed by Evocative, post-separation).
Skills: Customer Support (L3) | Infrastructure Engineering | VMware (ESXi/vSphere) | Ubersmith DE (Billing Systems) | PHP | MySQL (Percona XtraDB Cluster) | MVC Development | FreeBSD | Linux | Brocade | Atlassian Suite
Provided a wide variety of technical services to hundreds of clients in the SF Bay and Green Bay, WI metropolitan areas, and around the world.
Skills: Sales | Customer Support (All Levels) | Systems Engineering | Network Engineering | Infrastructure Engineering Full-stack Web Development | e-Commerce Consultation | Structured Cabling | Audio/Video Systems Integration
Oversaw telecom purchasing for Fry's retail locations and e-commerce site (outpost.com/frys.com).
Skills: Sales | Procurement & contract negotiation | e-Commerce Sales & Marketing | Print Advertisement | District-level Supervision | Sales Supervision
Developed & maintained chat systems for learning/training facilities used by the Sun/Netscape iPlanet alliance.
Skills: Systems Administration | Web Server Administration | Solaris | Windows NT4 | Perl | Java | TCP/IP Development
Lead designer & system administator for small-scale IT service provider.
Skills: Systems Administration | Web Server Administration | Windows NT4/2000 | Linux | Perl | Java | TCP/IP Development
Strong performer in AP-heavy class load | Member of WI State Champion Math Team | Earned full scholarship to Notre Dame | Simultaneously supported campus IBM/ICLAS (Novell NetWare 3.11) network while attending school
Prk. Gumamela, Brgy. Busay Bago City, Negros Occidental 6101 Philippines |
|
+63 919 076 1799 | |
[email protected] |