Andrew Gallagher
Cyber Defense Engineering
- Role
- Cyber Defense Engineer at Johnson & Johnson
- Location
- New York, NY, US
- LinkedIn followers
- 500 followers
About Andrew Gallagher
I am currently employed as a full-time Cyber Defense Automation Engineer at Johnson & …
Experience
Cyber Defense Engineer
Dec 2021 — Present · Raritan, NJ, US
Designed, developed, and executed automated playbooks to detect, analyze, and mitigate adversarial threats targeting networks and services.Engineered intelligent security automation solutions to enhance incident response, threat hunting, and monitoring capabilities across various security teams at J&J.Developed and fine-tuned analytics within a leading SIEM platform, leveraging custom queries, automation workflows, and advanced threat detection methodologies to enhance security operations.Applied deep understanding of SIEM architecture, log ingestion, correlation rules, and alert tuning to optimize threat detection and reduce false positives.Integrated and optimized security tools to streamline threat intelligence ingestion, alert triage, and remediation processes, reducing manual workloads and response times.Collaborated with SOC and cyber defense teams to identify detection gaps and implement automated solutions that strengthen overall security posture.
Education
Rutgers University
Bachelor of Science - BS
2017 — 2021
Rutgers University–New Brunswick
Master's degree
2021 — 2024
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