Jonathon R
Tier III Systems Engineer, Networks, VPNs, Microsoft 365 and SSO
Habilidades
Revisa mis servicios


Experiencia laboral
Founder & Lead Engineer
Self employed / Freelance • Trabajador autónomo
Aug 2026 - Present • 2 mos
Founder of Atreides IT, a managed IT and network services company serving small businesses in Chicago's western suburbs. - Deliver managed IT support, endpoint security (Huntress EDR), and remote monitoring - Design and install business networks on UniFi, including structured cabling - Set up Microsoft 365 email, migrations, and email security (SPF, DKIM, DMARC) - Build websites and workflow automation for local businesses
Tier III Systems Engineer
Proven IT • Tiempo completo
Dec 2025 - Present • 10 mos
Senior escalation engineer at a Chicago-area managed service provider supporting multiple small and mid-sized business clients. Lead and support Tier I and Tier II engineers. - Own firewall management across client environments (SonicWall, FortiGate), including rule cleanup, security services, and takeovers from previous providers - Build and troubleshoot site-to-site VPNs between SonicWall, FortiGate, and Azure VPN Gateway - Design and deploy UniFi networks with VLAN segmentation, guest/IoT isolation, and WiFi tuning - Configure Microsoft Entra ID SAML SSO, SCIM provisioning, and Conditional Access for business SaaS apps - Administer Microsoft 365 tenants: licensing, Exchange Online, MFA, and security hardening - Configure VPN for Clients. (Sophos, Meraki, Unifi, Tailscale) - Monitor networks with Auvik and write documentation and runbooks for the support team
IT Infrastructure Engineer
Walsh Construction • Tiempo completo
Jan 2022 - Dec 2025 • 3 yrs 11 mos
Designed and built the company's Jamf Pro platform from scratch: ABM zero-touch enrollment, custom packages and launch daemons, and a Self Service portal, scaling from executive devices to the corporate office. Engineered a custom Jamf Composer app giving macOS users authenticated access to Windows file shares, closing a gap with no native solution. Provided Level 3 support across Cisco Meraki, Azure, Microsoft 365, Active Directory, Intune, Nutanix, and Hyper-V. Led network changes spanning voice, wireless, security, and LAN/WAN optimization; tracked configurations, lifecycle, and device uptime.