Nhan Do Email & Phone Number

Rockville, MD, US

• Responded and resolved cyber security incidents, and proactively prevent reoccurrence of these incidents.
• Performed complex security investigations and root cause analysis by utilizing Azure Defender, Splunk, FireEye, Open Source Intelligence (OSINT) tools to collect information
• Data mining through use of SIEM or other data analytics solutions
• Performed phishing investigations and response to users who reported suspicious email. Analyzing email raw data using MS Defender and different OSINT tools
• Ensured that all security events are properly documented/tracked
• Developed documentation in support of response processes and/or procedures

• Provided advanced technical support, troubleshooting, monitoring, management, and maintenance to the agency's Mobile Device Management (MDM) application, designated enterprise messaging system, various mobile device.
• Monitored daily for non-compliance mobile devices. Ensure network connectivity of all MDM related servers on VMware vCenter. Created users’ accounts, granted permission, and ran report on mobile device inventory as.
• Performed maintenance and patching of the MDM application, server OS, and all MDM enterprise servers monthly.
• Assisted the Agency with developing, and implementing 508 compliance policy to make information and communication technology accessible to people with disabilities
• Provided System Administration to end-users as well as Tier1 and Tier2 technicians.
• Provided usage training on VMware Workspace One to support staffs/asset managers in field office.

• Provided white glove service for Executive level end-users. Recovery Time Objective is 4 hours. Required to travel to various sites for support.
• Provided System Administration to end-users, such as onboarding endpoints, and managing users' permission in Active Directory
• Troubleshot issues on different models of mobile devices from Blackberries, and Dell tablets. Activated and enrolled Blackberries on Blackberry UEM. Reimaged Dell tablet to standard configuration.
• Investigated conflicts on network resources for networked printers, and other peripheral devices. Ensure all supported endpoints and networked printers in their perspective VLAN.
• Maintained and controlled operation of Video Teleconference hardware with Polycom system. Provided basic training usage to users.

• Task allocation for all team members to ensure support availability is within Service Level Agreement.
• Troubleshot desktops and laptops on-site and remotely. Troubleshot hardware issues, and resolved software conflict. Installed software and imaged workstations accordingly to regulatory baseline via On-command software.
• Experienced in OS migration. Maintained workstations in COOP sites. Inspected and updated all endpoints at the COOP site routinely.
• Assisted in developing and implemented service related procedures. Updated Standard Operating Procedure based on feedback of team members.
• Set up and maintain operation of Video Teleconference session with Polycom system.