Greg Malinowski

Senior IT professional with 15+ years of experience across infrastructure, network security, systems administration, software engineering, and technical leadership. Hands-on with Fortinet networking, Microsoft 365, Active Directory, Intune, Windows Server/Hyper-V, VPNs, VLANs, backups, endpoint controls, and access management. Experienced supporting multi-entity environments, leading technical projects, and troubleshooting complex systems; earlier experience includes CNC/robotic programming and network-connected manufacturing equipment.

IT & Web Manager - Marble & Granite Tech, Inc. - Remote / Chicago, IL

(2023-08)

• Manage DNS, domains, Cloudflare, hosting, and production web/application platforms for a multilocation stone fabrication business.
• Maintain and troubleshoot web systems, REST/API integrations, analytics platforms, databases, and third-party services.
• Provide remote technical support and maintain internal/customer-facing web functionality and integrations.

Information Technology Manager - Lustro LLC - Columbia, SC

(2020-11 - 2023-04)

• Primary infrastructure administrator for an umbrella organization supporting approximately 40 users, 50-70 endpoints, two offices, two Microsoft 365 tenants, and 3-4 Windows servers across multiple business entities.
• Designed and administered Fortinet infrastructure using FortiGate, FortiSwitch, and FortiAP; configured WAN connectivity, firewall policies, remote-user VPN, and segmented VLANs for servers, business entities, guest, VoIP, printers/scanners, and peripherals.
• Administered Microsoft 365, Exchange Online, SharePoint, OneDrive, MFA, licensing, user lifecycle, shared resources, and permissions; managed Active Directory, Group Policy, and domain-joined systems.
• Used Intune for endpoint deployment and management, Windows patching, application/policy delivery, device compliance, BitLocker, and Defender controls.
• Supported Windows Server 2008/2012 and newer application servers, including Microsoft Dynamics workloads in Hyper-V virtualized environments.
• Managed Synology 8-bay NAS backups for M365, Salesforce, QuickBooks, OneDrive/user data, and other business-critical systems; planned and executed a separate M365 tenant migration for FixPads.
• Reviewed FortiGate and M365 security activity, blocked malicious IPs/domains, and implemented geographic traffic restrictions in response to elevated hostile network traffic.
• Selected and purchased IT systems/licensing, planned upgrades and timelines, maintained network documentation, trained users, and directly managed software developers.

Senior Software Engineer - US Home Rentals - Columbia, SC

(2018-12 - 2020-11)

• Developed and supported Laravel/JavaScript/React/PHP/MySQL business applications and integrated databases and third-party services.
• Administered Salesforce for approximately 50 users, developed Apex functionality, and completed a Salesforce instance migration.

Software / Web Application Developer - Dealer eProcess LLC - Downers Grove, IL

(2015-08 - 2019-09)

• Developed and supported large-scale PHP/JavaScript applications, including testing, bug fixes, code review, production troubleshooting, and service-ticket response.
• Integrated REST APIs, databases, third-party services, inventory data feeds, and scheduled/CRON processing; trained new development team members.

Senior Software Developer - Vision Property Management LLC - Columbia, SC

(2017-02 - 2018-12)

• Built and maintained internal real-estate applications using PHP/Laravel, JavaScript, React/Redux, and SQL.

Web Developer / Graphic Designer - MG Concepts Inc. - Prospect Heights, IL

(2011-01 - 2015-12)

• Maintained high-traffic e-commerce sites, databases and backups; remotely supported client computers, networks, software, and hardware.

CAD/CAM Programmer - CAD Department - Barrington, IL

(2006-01 - 2010-12)

• Programmed industrial Robo Cut and CNC/waterjet systems using AutoCAD/CAD-CAM software; transferred programs to network-connected equipment over Ethernet and supported software updates.
• Built a Visual Basic CAD automation module improving productivity by approximately 30-40%; supervised three CNC/CAD programmers and provided hardware/software support and training.

Master of Computer Science - Software Engineering - Technical University of Zielona Gora (2001-01 - 2005-12)

B.S. - Information Technology / Software Engineering - Technical University of Zielona Gora (1997-01 - 2001-12)