Ray Losoya
Senior Cybersecurity Engineer — Security Platform Engineering | Vulnerability and Exposure Management
I’m a senior cybersecurity engineer and customer success professional with more than 15 years of experience across vulnerability and exposure management, endpoint security, security operations, infrastructure, networking, cloud, and enterprise platform engineering. I advise and consult clients on exposure management maturity, and previously owned and supported SentinelOne across more than 50,000 endpoints while integrating tools like Tanium, Zscaler, Forcepoint, Nessus, and Illumio.
I combine hands-on technical depth with the ability to translate complex security risk into practical action — for engineers, leadership, and customers alike.
Core Skills
Cybersecurity Engineering · Endpoint Security · Incident Investigation · Network Security · Risk Prioritization · Security Operations · Security Platform Management · Security Tool Integration · Technical Project Management · Vulnerability and Exposure Management
Languages
English (Full Professional Proficiency) · Spanish (Full Professional Proficiency)
Experience
Customer Success Security Engineer — Tenable
April 2025 – Present, Remote (Houston, TX)
Advise enterprise customers on Tenable One, Tenable Vulnerability Management, Tenable Security Center, Web App Scanning, and exposure management strategy. Lead technical initiatives from discovery through implementation and ongoing operational support.
Cybersecurity Platform Engineer — Sysco
January 2021 – April 2025, Remote (Houston, TX)
Primary engineer and subject matter expert for SentinelOne and roughly eight other enterprise security platforms, protecting corporate environments and 50,000+ endpoints. Maintained ~98% current agent coverage and supported ~15 mergers and acquisitions.
Network Operations Engineer — Eze Castle Integration
November 2016 – January 2021, Remote (Boston, MA)
Provided 24x7x365 monitoring and incident response for financial services clients, investigating alerts across Cacti, Palo Alto Panorama, SentinelOne, and ConnectWise Automate.
NOC Manager and Tier III Support Engineer — The Aldridge Company
April 2012 – November 2016, Houston, TX
Promoted from Tier I to NOC Manager / Tier III, leading technical escalations for 150+ clients across networking, servers, cloud, and security incidents.
IT Consultant — Contract (British Gas, IBM, RSC)
March 2011 – April 2012, Houston, TX
Implemented CyberArk privileged-account controls and built the first hardened deployment image based on CIS benchmarks.
Technical Support II — PlumChoice
June 2009 – March 2011, Remote (Billerica, MA)
Supported McAfee, Intel, AT&T, Verizon, and Time Warner Cable customers; authored a technical escalation manual later published for the support organization.
Certifications
CompTIA Security+ · CompTIA Network+ · CompTIA A+ · CompTIA IT Operations Specialist · CompTIA Secure Infrastructure Specialist
Education
Rice University Cybersecurity Certificate Program (2021) — network security, vulnerability assessment, penetration testing, incident response, Linux, Wireshark, Kali Linux, Metasploit, Burp Suite.
Sam Houston State University — Computer Information Systems (2003–2004)