OANTREOL JOHNSON
Longwood,FL
Summary
Systematic IT professional proficient in network, systems, and security management. Installs hardware, patches software, and configures internal systems. Complex problem-solver with top-notch planning and communication strengths with over 10 years of IT experience in various fields.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Information Technology Support Specialist
Sentry Management Inc
12.2023 - Current
- Installed and configured network printers and other peripheral devices.
- Proficient in Microsoft 365 Admin Center.
- Installed important security and functionality patches to maintain optimal protection against intrusion and system reliability.
- Managed onboarding and offboarding of employees.
- Enabled smooth transitions during hardware and software upgrades, minimizing disruptions to end users.
- Implemented and maintained virtual private networks.
- Empowered users with training sessions on new software applications, enhancing productivity across departments.
- Managed user access rights to maintain a high level of information security while ensuring appropriate levels of accessibility for authorized personnel.
- Enhanced client security measures with updated antivirus software installations and firewall configurations.
Helpdesk Supervisor
US Army
01.2020 - 10.2023
- Created new accounts, reset passwords, and configured access to servers and file management software for users.
- Configured hardware, devices, and software to set up work stations for employees.
- Trained new employees on support processes, procedures, and knowledge base.
- Reviewed support cases for technical and troubleshooting accuracy and identified needed process improvements.
- Directed enterprise help desk and staff to boost call and ticket resolution efficiency.
- Delivered on-site technical support following software implementation and worked with managers to suggest product upgrades and changes.
- Developed daily, weekly, and monthly reports on help desk team's productivity.
- Used ticketing systems to manage and process support actions and requests.
Information management officer
US Army
11.2016 - 12.2019
- Installed, operated, maintained, and provided configurations for computing systems and local area networks while on foreign domains.
- Property holder for 3.2 million dollars' worth of federal equipment.
- Performed Information Assurance (IA) roles, providing the security services and attributes of availability, authentication, confidentiality, integrity, and non-repudiation.
- Provided appropriate permissions to users for accessing files and databases.
- Created online documentation to help employees resolve day-to-day issues.
- Implemented inventory control measures to replenish and maintain IT equipment, supplies, tools, and replacement parts.
- Assisted in the planning, configuration, management, and monitoring of the wide area networks from multiple departments throughout Germany.
Information assurance officer
US Army
01.2016 - 11.2016
- Trained all department users on weekly classes of security violations and potential hazards I.E cross domain violations, non-disclosure of classified information spillage
- Installed, tested, maintained, and upgraded operating systems software and hardware to comply with information assurance requirements
- Configured computers to network drivers and connected to printers and other peripheral equipment
- Consulted via telephone to understand user problems, run through testing scripts, and ask probing questions to locate root causes
- Coordinated with hardware and software vendors to obtain warranty services, external technical support, and replacement products
- Used Active Directory to automate settings and changes to end-user computers, drive mappings and desktop configurations.
- Worked with other teams to enforce security of applications and systems.
- Investigated and resolved incidents of unauthorized access to sensitive information.
- Implemented security measures to reduce threats and damage related to cyber attacks.
- Analyzed network traffic and system logs to detect malicious activities.
- Conducted security audits to identify vulnerabilities.
- Administered and monitored firewalls, intrusion detection systems and anti-virus software to detect risks.
- Reviewed violations of computer security procedures and developed mitigation plans.
- Developed plans to safeguard computer files against modification, destruction, or disclosure.
- Encrypted data and erected firewalls to protect confidential information.
Education
Bachelor of Science - Information Technology
Western Governors University
Salt Lake City, UT06-2026
Advance Individual Training (IT Specialist)
12.2015
High School Diploma -
North Point High School
05.2014
Skills
- Cisco
- VoIP
- Technical Support
- Palo Alto Network/ Firewall
- VMWare
- VPN
- Desktop support
- Microsoft office products
- Information assurance
- Network support
- Active Directory
- PowerShell
- Ticket Management
- SonicWall firewalls
- Microsoft Azure experience
- Microsoft Intune
- Printer configuration
- Windows PC
Certification
- CompTIA Security+ CE
- ITIL 4 Foundation
- Currently working towards (CISM) Certified Information Security Manager.
Timeline
Information Technology Support Specialist
Sentry Management Inc
12.2023 - Current
Helpdesk Supervisor
US Army
01.2020 - 10.2023
Information management officer
US Army
11.2016 - 12.2019
Information assurance officer
US Army
01.2016 - 11.2016
Advance Individual Training (IT Specialist)
High School Diploma -
North Point High School
- CompTIA Security+ CE
- ITIL 4 Foundation
- Currently working towards (CISM) Certified Information Security Manager.
Bachelor of Science - Information Technology
Western Governors University
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