Mark Painter Email & Phone Number

Columbus, Ohio Area

• My most recent position involved actively improving operational efficiency through precise management of Azure tenant operations, DNS, Web App Firewall rules, application gateway configurations, subnet peering, and.
• Reduced 75% in Mitel expenses by devising and executing strategy to phase out inactive Mitel office phones.
• Improved endpoint security through deployment of Intune and Defender for Endpoint to facilitate device enrollment.
• Achieved 10% cost reduction by partnering with Cloud Service Provider to enhance Microsoft 365 suite licensing efficiency.
• Maintained system reliability and data protection through robust disaster recovery methods by establishing and configuring Azure VM as FTP server.
• Increased email security by establishing and managing DKIM, DMARC, and SPF DNS records.

Columbus, Ohio Area

• In my previous position, I implemented sophisticated SIEM system modifications and improved threat detection capabilities by using RegEx to extract precise insights from incident data packets. I oversaw the smooth.
• Strengthened operational resilience and fortified defenses against potential security breaches.
• Reduced Mean Time to Detect (MTTD) and Mean Time to Respond (MTTR), while enhancing SIEM incident detection capabilities.

Columbus, Ohio Area

• In this capacity, I designed and maintained a structured SIEM architecture that was closely synchronized with Active Directory, which maximized operational efficiency and information correlation. In order to strengthen.
• Minimized impact by facilitating agile incident response protocols and ensuring rapid and effective action during security breaches.
• Improved analyst navigation and expedient incident identification capabilities by configuring new SIEM setup designed to mirror organization's Active Directory environment.Additional Experience
• Senior Systems Administrator, Hexion Inc., Columbus, OH
• Intranet Content Manager, Borden Chemical Inc., Columbus, OH
• Regional LAN Administrator, Borden Chemical Inc., Springfield, OR