Jeff Archer

About Jeff Archer

I have had the pleasure (and yes, sometimes pain) of having a career spanning multiple areas of cybersecurity and software development, including- Detection & Response Engineering for a diverse multitude of customers and integrated technologies- Offensive & Defensive Cyber Operations (in both a civilian and military capacity)- Active Defense Methodologies (Threat Hunting, Purple Teaming, and Detection Engineering)- Cyber Threat Intelligence- Malware analysis and reverse engineering- Detection & Incident Response- Security orchestration and software development- Computer Forensics- Secure architectureYou can find my open courses/tutorials/projects @: https://github.com/jeFF0Falltrades

Experience

1. Principal Detection & Response Engineer

   Expel

   Feb 2026 — Present

   Serves a subject matter expert across all technology classes (Cloud, Endpoint, SaaS, SIEM), leveraging tools like data science, Generative AI, and original research to pioneer cross-technology detection and response strategies.* Designs and builds high-quality, cross-technology detections and integrations, focusing on observability, maintainability, and the definition of core D&R success metrics* Collaborates with and advises Engineering, SOC, Marketing, Sales, and customers, ensuring Expel’s detection and response capabilities meet customer needs and are effectively communicated.* Leads the execution of major initiatives through hands-on development, while fostering a culture of technical excellence, mentorship, and sponsorship

Education

• University of Dayton

  Bachelor of Science (B.S.), Computer Science

  2011 — 2015