Darick Brown Jr
Summary
Dynamic IT professional with a Top-Secret Clearance and over ten years of experience in network monitoring, patch management, and technical support. Proven expertise in vulnerability scanning and system recovery, complemented by a strong commitment to customer service and collaborative teamwork. Eager to transition into the Network Security/Systems Administration field, bringing a proactive approach to managing and securing network systems while adapting to evolving technical demands. Recognized for reliability, organizational skills, and the ability to manage multiple priorities effectively while maintaining a positive attitude.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Jr System Administrator
Resource Management Concepts
Indian Head, Maryland
03.2025 - 01.2026
- Gathering security plugins from the DISA patch repository to upload to the Nessus scanner.
- Applying ACAS scans weekly on systems connected to the JEOD network.
- Gather and apply monthly STIGs using STIG Viewer to implement changes during scans.
- Implementing new user accounts, along with re-enabling user accounts, while using Active Directory.
- Operating Active Directory to reset account passwords.
- Using VMware Workstation to host NIPR and SIPR VMs to configure Windows 10 updates and host new images.
- Clone master hard drives to target hard drives after applying monthly STIGs and updated images.
- Accessing Group Policy to allow the client to access Tenable via HTTP.
- Modified the registry through Regedit to adjust registry settings when configuring standalone systems.
- Create and launch on-demand scans, and send them to IA in order to remediate critical findings.
- Running Linux commands to troubleshoot or reset services on the Nessus Scanner.
- Enforcing Linux commands to rebuild plugins.
- Performed database checks on virtual servers using SSMS (SQL Server Management Studio).
- Managed email routing and internal message protocols to support reliable delivery of communications.
IT Specialist Support II
Digital Consultants
Washington. DC, DC
04.2024 - 03.2025
- Troubleshooting hardware and software-related issues.
- Assisted Tier 3 with vulnerability remediation using tools such as Tenable to perform plugin searches and the Microsoft Update Catalog.
- Used a remote desktop tool to connect to local admin systems and run applications such as SCCM and Active Directory to perform administrative duties.
- Imaged and reimaged systems to the Windows 11 operating system.
- Completed projects using PowerShell scripting to pre-boot MS BitLocker for remote users.
- Provided white glove customer service to all customers including VIP individuals.
- Performed basic network troubleshooting, such as network access issues, VPN issues, and network printers.
- Carried out NTR requests so that systems being placed on the network could receive an identity once they are imaged.
- Assisted with NRL's network migration from BIZOPS to GNET, updating users' Windows 10 to Windows 11.
- Conducted system backups and ensured data integrity and security.
- Provided training sessions for staff on new technologies and tools.
- Managed IT support tickets and resolved user issues efficiently.
- Configured and maintained hardware and software systems for clients.
- Analyzed system performance to identify areas for improvement.
- Developed technical documentation for troubleshooting procedures and guides.
Sr. IT Specialist
Insight Global
Washington DC , DC
05.2023 - 11.2023
- Performed troubleshooting between hardware and software-related issues.
- Hardware troubleshooting includes HP laptops, HP PCs, MacBooks, and iPhones.
- Software troubleshooting involved the Microsoft 365 suite, Google Docs, and Calendar.
- Provided white glove customer service to all customers, especially VIP customers.
- Imaged and reimaged HP laptops and desktops, which included NIPR and SIPR networks.
- Performed basic network troubleshooting, such as network access issues.
- Added and removed users to groups using Active Directory.
- Monitoring mobile Apple devices using mobile device management software, JAMF.
- Troubleshot hardware and software issues to ensure continuous system performance.
- Managed inventory of IT equipment, ensuring timely updates and replacements.
- Provided training sessions on how to use different types of software applications.
- Installed, tested and configured new computer systems, peripherals and software applications.
User Computing Admin II
CNA
Arlington, VA
03.2020 - 05.2023
- Troubleshooting hardware and software (Microsoft 2016 and Microsoft 365 applications) issues related to SIPR and NIPR systems. Including network and local printers.
- Troubleshooting network connectivity issues during workstation installs, in order for users to sign in properly.
- Used Wireshark to monitor systems on the network that failed user authentication and image failures.
- Worked successfully with diverse group of coworkers to accomplish goals and address issues related to our products and services.
- Imaging, re-imaging SIPR, and NIPR systems.
- Logging SIPR and NIPR hardware into the UC Asset Inventory and Classified Asset Inventory Database.
- Accessing SCCM to deploy software to end-user systems, to remote into an end-user system, along with monitoring systems' activity on the network.
- Performing remediation requirements on NIPR and SIPR machines in compliance to receive updates.
- Using Active Directory to perform account management configurations and create accounts.
- Creating SIPR email addresses, field addresses, and user accounts using Mail Exchange Server.
- Performing vulnerability scans with security analysts on the CNA network using Nessus.
- Utilizing McAfee Agent to enable and enforce policies.
- Using McAfee Agent to view logs of incoming and outgoing traffic on the SIPR network.
Tier 2 Desktop Support
TEKsystems
Arlington , VA
04.2019 - 03.2020
- Deploying NIPR/SIPR machines to end users.
- Troubleshooting monitor display functionality.
- Installing monitor drivers, printer drivers.
- Performing new images and reimages on machines for the Windows 1709 migration.
- Updating the Dell Latitude E7040 BIOS.
- Used the Remedy ticketing system to create and receive INC tickets, along with Work Order tickets.
- Testing port activation for connectivity while implementing SIPR systems.
- Proven ability to learn quickly and adapt to new situations.
- Self-motivated, with a strong sense of personal responsibility.
- Demonstrated respect, friendliness, and willingness to help wherever needed.
- Assisted with day-to-day operations, working efficiently and productively with all team members.
- Troubleshooting Microsoft 365 applications so that end users can maintain their daily work.
- Operating in ARS to look up user information, such as organizational groups, location, and the OU the user is in.
- Removing hard drives and SSDs on end-of-life devices.
- Worked flexible hours across night, weekend, and holiday shifts.
- Identified needs of customers promptly and efficiently.
Desk-Side Support
Lintech Global, Inc
Alexandria, VA
07.2018 - 04.2019
- Providing white glove customer service to DoDIG federal government employees.
- Troubleshooting multiple Microsoft 365 application issues such as Outlook, Excel, and Word and Teams.
- Troubleshooting DOD organization applications such as DAI, Defense Ready.
- Adding user Certificates so that they can send encrypted emails.
- Recovering certificates along with populating certificates to Outlook GAL.
- Using Footprints ticketing system
- Using remote tool DameWare to troubleshoot issues.
- Reimaging Windows 10 Operating Systems.
- Backing up and retrieving user data after imaging PC's.
- Assisted walk-ins with technical problems. Such as VPN connectivity issues, signing into their PC's when receiving new CAC cards.
- Installed Office Jet Pro250 all in one mobile printer’s and other USB and network devices.
- Performed mobile operating system iOS troubleshooting using application JAMF.
- Hardware power cycles by removing the RAM sticks and batteries from HP Notebooks and DELL PC's and holding the power button down for 30 seconds.
- Using Active Directory to move users and machines to proper components along with enabling accounts.
- Resetting SIPRNet token PIN’s.
- Desktop Support
Network Analyst
Sharps Solutions Inc
Washington, DC
11.2015 - 02.2017
- Provided technical guidance for directing and monitoring information systems operations.
- Analyzed network performance to identify areas for improvement and efficiency.
- Collaborated with IT teams to troubleshoot and resolve connectivity issues.
- Troubleshot Cisco routers and monitored networks for components such as CBP, TSA, USCG, ICE, FEMA, CIS, USSS, etc.
- Monitored and reported alerts while viewing networks through CA Spectrum.
- Troubleshooting router interfaces to maintain connectivity, and providing router stats using software Xceedium.
- Responding to network outages within 30 seconds from end users, and creating new incidents using the ticketing system, Remedy.
- Monitoring and providing updates on network issues to users.
- Created spreadsheets for mass outages while reporting high priority incidents to component end users and GWOs.
- Created and updated CCIR’s (Critical Component Incident Responses) daily.
- Provided interface support to telecommunications end users, telecommunications operation personnel, and telecommunications strategic project management.
- Using critical and analytical thinking skills to problem-solve issues for end users.
Education
Master of Science - Information Systems: Enterprise Network Management
Strayer University
Suitland, MD06.6 2017
Bachelor of Science - Information Technology: Computer Forensics
Westwood College
Arlington, VA6 2013
Skills
- Active Directory
- Vulnerability remediation
- System imaging
- Network troubleshooting
- Customer service
- System monitoring
- Mobile device management
- Remote desktop services
- Configuration management
- Patch management
- Operating system deployment
- Group policy management
- Device configuration
- Technical support
Certification
- CompTIA A+ Certification CE
- Security+ 501 CE
- CySA+ Certification CE
- SecurityX Certification
- AWS Certified Cloud Practitioner
Timeline
Jr System Administrator
Resource Management Concepts
03.2025 - 01.2026
IT Specialist Support II
Digital Consultants
04.2024 - 03.2025
Sr. IT Specialist
Insight Global
05.2023 - 11.2023
User Computing Admin II
CNA
03.2020 - 05.2023
Tier 2 Desktop Support
TEKsystems
04.2019 - 03.2020
Desk-Side Support
Lintech Global, Inc
07.2018 - 04.2019
Network Analyst
Sharps Solutions Inc
11.2015 - 02.2017
Master of Science - Information Systems: Enterprise Network Management
Strayer University
Bachelor of Science - Information Technology: Computer Forensics
Westwood College