Justin Breitenstein

Remediates customer network outages. Provides support for a variety of customers nationwide with various applications and infrastructures. Ensures inventory is up to date in monitoring and documentation. Assists with incidents escalated from the help desk. Responds to network alerts triggered in OpManager, SolarWinds, Nagios, and Paessler PRTG Network Monitor. Updates and reviews existing SOPs for NOC processes.

Responds to security alerts and investigations triggered in Rapid 7 and EventLog Analyzer SIEMs, as well as Microsoft Azure and Microsoft 365 Security Center. Investigates alerts, utilizing open-source intelligence, to verify if the activities were malicious or benign. Disable user accounts, reset passwords, and block IP address(es) in firewalls in response to malicious activity. Examines sign-in logs / authentication history for anomalous behavior.

Managed onboarding and offboarding of users. Created/deleted distribution lists and shared mailboxes and added/removed their members. Provided/revoked user facility access. Troubleshoot end user access issues with internal applications and software. Updated user permissions after changes in department and/or role. Developed and updated KBs for IAM processes.

Provided exceptional customer service and technical support to end users. Deployed virtual machines and provisioned software for users. Troubleshoot issues regarding peripheral devices such as keyboards, mice, printers, and docking stations. Diagnosed and resolved issues for MFA applications such as HYPR and Yubikey. Initiated remote sessions to user machines using Remote Desktop Protocol. ConnectWise, and Windows Remote Assistance. Removed malware from end user machines.