Dymond Mattison
Baltimore,MD
Summary
Highly skilled IT professional with expertise in cybersecurity threat management and risk mitigation. Recognized for delivering robust security solutions and maintaining comprehensive security protocols. Focused on collaborative efforts and adaptable to dynamic security challenges, showcasing critical thinking and problem-solving abilities.
Overview
5
5
years of professional experience
1
1
Certification
Work History
IT Security Analyst
VXI Global Solutions
05.2023 - Current
- Enhanced network traffic visibility and threat detection in Chronicle by 60% through unified API log source integration improving Nessus, Tenable.io, Cortex XDR, and Mimecast.
- Perform host-based and network-based security monitoring, identifying and analyzing anomalous activities using Chronicle, Defender for Endpoint/o365, Cortex XDR and Palo Alto.
- Streamlined vulnerability management through effective patch management strategies utilizing Nessus and Tenable.io resulting in a 15% reduction in high vulnerabilities.
- Utilized PowerShell scripts to automate routine security tasks, including vulnerability scanning, log analysis, and system monitoring, resulting in a 30% reduction in manual effort and improved incident response times.
- Enhanced team knowledge and operational consistency through comprehensive playbooks and runbooks outlining how to fully investigate incidents in Cortex XDR, Defender for Endpoint/o365 and Chronicle.
- Boosted system scalability in Chronicle through continuous log source performance monitoring.
- Leverage Manage Engine ticketing system to maintain records of security monitoring.
- Utilized PowerShell scripting to extract and organize data from Active Directory, specifically targeting Sysadmins, and created comprehensive Excel spreadsheets for detailed documentation and reporting purposes.
Jr. Cyber Security Engineer
SBTG
03.2022 - 05.2023
- Perform host-based and network-based security monitoring, identifying and analyzing anomalous activities using Defender for Endpoint/o365 and Palo Alto NGFW.
- Assist with building automation within Azure Sentinel to detect and respond to tactics by leveraging PowerShell scripts.
- Maintain records of security monitoring and incident response activities, utilizing ServiceNow ticketing system.
- Responsible for the management of Palo Alto NGFW access control list.
- Fully investigate incidents reported by security tool suite according to the incident response lifecycle.
- Utilized Crowdstrike's powerful EDR platform to analyze security incidents, mitigate threats and fortify defenses to ensure proactive cybersecurity posture.
Jr. SOC Analyst
Department of Treasury | SecureForce
02.2021 - 03.2022
- Conducted initial incident triage using Palo Alto NGFW, Splunk SIEM, and Symantec Endpoint Protection tools.
- Employed Splunk for in-depth log file review, data correlation, and incident investigation.
- Streamlined phishing investigation process, enhancing efficiency for junior analysts.
- Enhanced security measures by configuring and maintaining Palo Alto NGFW and Symantec solutions.
- Developed new strategies for data correlation using Splunk, improving incident analysis
- Analyzed incident reports to determine root causes and recommend preventive measures.
Education
B.A. -
University of Maryland University College
College Park01-2025
Diploma -
Paul Laurence Dunbar Senior High School
Washington01-2017
Skills
- Wireshark
- Palo Alto NGFW
- Splunk
- Crowdstrike
- Vulnerability Management
- Malware Analysis
- SentinelOne
- Rapid7 Nexpose
- Microsoft Defender o/365
- Cisco ASA
- Vendor Management
- Incident Response
- AWS EC2
- PowerShell
- Chronicle
- Tenableio
- Nessus
- Cortex XDR
- Mimecast
- Azure Sentinel
Certification
- CompTIA Security+
- CompTIA CySA+
- Tenable Certificate of Proficiency
- ITIL Fundamentals
Timeline
IT Security Analyst
VXI Global Solutions
05.2023 - Current
Jr. Cyber Security Engineer
SBTG
03.2022 - 05.2023
Jr. SOC Analyst
Department of Treasury | SecureForce
02.2021 - 03.2022
B.A. -
University of Maryland University College
Diploma -
Paul Laurence Dunbar Senior High School
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