Michael Holcombe Email & Phone Number

Washington Dc-Baltimore Area

Managed and maintained a network infrastructure of over 500 nodes across multiple locations, ensuring high availability and optimal performance.Conducted proactive performance monitoring and troubleshooting using tools such as Network Analyzer, Statseeker, and Network Dashboard to minimize disruptions.Configured and enforced device whitelisting policies in Cisco Identity Services Engine (ISE), ensuring secure network access and compliance with standards.Administered Group Policy Objects in Active Directory to implement organizational security measures and operational policies.Performed Cisco IOS updates, maintaining up-to-date device security and minimizing vulnerabilities.Collaborated with cross-functional IT teams on network upgrades and expansions, ensuring minimal downtime during migrations.Monitored hardware/software inventory to maintain updated and fully operational network devices.Managed service requests and incident tickets through ServiceNow, ensuring timely resolutions and thorough documentation.

Washington Dc-Baltimore Area

Provided technical support to users, troubleshooting hardware and software issues, managing user accounts, and assisting with access requests.Reported and resolved network disruptions and work stoppages for VIP users, including Library of Congress servers and applications, by coordinating with appropriate teams to minimize impact.Administered Active Directory, managing user accounts, permissions, and group policies to ensure proper access control and resource allocation.Managed IT support tickets in ServiceNow, efficiently processing email and voicemail interactions, assigning tickets to IT departments, and creating service requests.Utilized Remote Desktop Protocol to diagnose and resolve issues remotely, improving operational efficiency and reducing downtime.Created detailed status reports on server performance, identifying potential issues and ensuring system health.Monitored and managed user accounts in Microsoft Azure, troubleshooting authentication issues and ensuring compliance with organizational policies.

Monitored network and infrastructure to ensure optimal performance and proactively addressed potential issues.Configured and maintained network security devices, including firewalls, ensuring compliance with security standards and preventing unauthorized access.Conducted firewall log analysis to identify and mitigate potential threats, documenting findings to enhance network security protocols.Responded to network alarms and incidents, diagnosing issues across LAN, WAN, and internet connectivity to minimize downtime.Delivered professional and customer-focused service through phone support to resolve technical issues.Supported configuration and maintenance of network devices, including routers, switches, and firewalls, adhering to security and operational standards.Documented procedures and developed user-friendly guides for troubleshooting common issues, enhancing team efficiency and knowledge sharing.