Keith Harripaul
Queens,NY
Summary
Experienced Incident Response Analyst with over 12 years in enhancing cybersecurity resilience. Led incident response processes, reducing remediation time significantly. Utilized EDR tools and analyzed complex data sets to mitigate advanced threats. Modernized response protocols and mentored cross-functional teams in safeguarding enterprise data.
Overview
15
15
years of professional experience
1
1
Certification
Work History
Senior Incident Response Analyst
Dell Technologies
New York City, NY
08.2022 - Current
- Conducted proactive threat hunting using Kusto Query Language within Azure Log Analytics and MDE, identifying and neutralizing hidden threats across large-scale datasets before exploitation.
- Reduced Mean Time to Respond by 25% by streamlining triage for 175+ monthly incidents; leveraged VMware Carbon Black XDR and Microsoft 365 Defender to accelerate threat identification.
- Neutralized 30+ monthly phishing and BEC threats via deep-dive forensic analysis of headers and attachments using Proofpoint and CyberChef; improved detection accuracy by reducing false positives by 12%.
- Achieved an 80% on-time resolution rate for cybersecurity incidents through diligent playbook execution, significantly increasing client satisfaction and reducing repeat incident occurrences.
- Orchestrated a 15-point increase in Microsoft Secure Score by spearheading the MDE rollout and implementing SOAR automation and standardized playbooks to ensure enterprise-wide compliance.
- Served as a Cyber Security Champion, optimizing alert logic to reduce false positives by 15% and reallocating team focus toward high-priority, critical-severity threats.
Senior Field Service Technician
Dell Technologies
New York City, NY
02.2020 - 07.2022
- Directed all on-site and off-site service operations, including installation, testing, and complex repairs, maintaining a 98% success rate for first-visit resolutions.
- Diagnosed and resolved critical system errors through advanced analysis, optimizing the performance of both company and customer equipment while reducing equipment downtime by 30%.
- Restored full equipment functionality by performing safe, secure teardowns and component replacements, consistently beating repair deadlines by 20%.
- Oversaw field activities and remote technical support via web/phone, generating data-driven service reports that improved future operational efficiency by 22%.
Network Administrator
Quench Thirst Distribution
Georgetown, Guyana
06.2013 - 05.2019
- Secured network and wireless infrastructure for 20 end users by deploying critical security configurations, including patches, service packs, and hot fixes, to maintain high system stability.
- Engineered and optimized LAN, WAN, and internet systems, ensuring seamless connectivity and high-speed data transmission for all users.
- Eliminated system downtime by diagnosing and resolving complex hardware and software failures, proactively troubleshooting failed drives and unscheduled reboots to replace defective components.
IT Technician
Guyana Publications Inc
Georgetown, Guyana
04.2011 - 03.2012
- Provisioned high-performance workstations for 45+ employees by custom-configuring hardware and software, resulting in a 100% deployment success rate and immediate operational readiness.
- Neutralized advanced security threats, including malware and ransomware, by executing deep-system forensics and analysis to safeguard sensitive company and employee data.
- Optimized system performance through proactive hardware/software audits, proposing and implementing upgrades that reduced system lag by 25% and significantly boosted user productivity.
Education
Master of Science - Cybersecurity & Information Assurance
Western Governors University
Salt Lake City, UT03.2022
Bachelor of Science - Cybersecurity & Information Assurance
Western Governors University
Salt Lake City, UT06.2021
Skills
- Cyber threat analysis
- Incident response and forensic investigation
- Security automation and network configuration
- System diagnostics
- Client engagement and team collaboration
- Process improvement strategies
- Intrusion detection and prevention
Certification
• ISC2 CISSP – Certified Information Systems Security Professional
• Microsoft SC-100 – Cybersecurity Architect Expert
• Microsoft SC-200 – Security Operations Analyst
• Blue Team Level 1 (BTL1)
• CompTIA CySA+ & Pentest+
• ITIL Foundations V4
• CompTIA Project+ & Security+
• Microsoft SC-100 – Cybersecurity Architect Expert
• Microsoft SC-200 – Security Operations Analyst
• Blue Team Level 1 (BTL1)
• CompTIA CySA+ & Pentest+
• ITIL Foundations V4
• CompTIA Project+ & Security+
Timeline
Senior Incident Response Analyst
Dell Technologies
08.2022 - Current
Senior Field Service Technician
Dell Technologies
02.2020 - 07.2022
Network Administrator
Quench Thirst Distribution
06.2013 - 05.2019
IT Technician
Guyana Publications Inc
04.2011 - 03.2012
Master of Science - Cybersecurity & Information Assurance
Western Governors University
Bachelor of Science - Cybersecurity & Information Assurance
Western Governors University