Jeffrey S.
Cybersecurity Engineer | Threat Detection & Response | Endpoint Security
- Cybersecurity Engineer
- Cincinnati, OH
- Over 5 years of hands-on cybersecurity experience with enterprise environments and leading tools such as CrowdStrike, Proofpoint, and Qualys.
Expertise
Jeffrey brings strong experience in threat detection, incident response, and vulnerability management. He has administered enterprise firewalls, endpoint monitoring, and SIEM systems, while leading automation initiatives that cut risk and strengthened compliance.
Bio
From working with Fortune 500 companies to securing global financial systems, Jeffrey leverages his cybersecurity expertise to implement defense-in-depth strategies. With multiple certifications and real-world experience across industries, he excels in proactive security operations.
Work Experience
Operation Security Engineer, WorldPay
Led secure access solutions, Cloudflare/Akamai optimization, and CyberArk administration.
Security Engineer, L3Harris
Reduced vulnerabilities by 60% and developed automated patching.
Endpoint Administrator, L3Harris
Achieved 95% patch compliance across 126,000 endpoints.
Systems Engineer, Cincinnati Insurance
Administered AD, DNS, and DHCP for 5,000+ users.
Field Service & Deskside Support, GE and Fifth Third
Provided enterprise desktop and field support.
Certifications
- Qualys Certified Specialist – File Integrity Monitoring
- Qualys Certified Specialist – Vulnerability Management Path