Estebroj User
@estebrojuser
I am a Security Engineer specializing in incident response and threat hunting.
Costa RicaWhat I'm looking for
I am a Security Engineer with 8+ years of combined experience in cybersecurity, IT support, and infrastructure operations, focused on incident response, alert triage, and endpoint security across Windows and Linux environments.
As the lead SIRCC coordinator, I manage end-to-end incident response, investigate alerts, hunt threats, and contain incidents using tools such as CrowdStrike and internal SIEM platforms while documenting and escalating events under compliance frameworks.
I was promoted to Sr. Analyst II after leading infrastructure and SOC functions, implementing AI-driven solutions to streamline processes, and contributing as a Level 2/3 SME; I also applied technical design skills during a UX/UI role at Google, improving site performance and cross-device compatibility.
I prioritize ethics, compliance, and process optimization, and I lead war rooms and post-incident reviews to reduce response times, improve detections, and coordinate cross-functional teams to protect enterprise environments.
Experience
Work history, roles, and key accomplishments
DTLead SIRCC coordinator managing end-to-end incident response and coordinating war rooms and post-incident reviews. Improved response times and containment across Windows and Linux endpoints.
DTPromoted to Sr. Analyst II overseeing IT infrastructure, network and Unix/Windows OS operations while leading SOC functions. Implemented AI-driven automation projects that improved operational efficiency and served as L2/L3 SME and top knowledge-base contributor.
GOOptimized website speed and UI rendering across desktop, tablet, and mobile through efficient coding and thorough testing. Resolved complex technical design issues to improve cross-device compatibility.
Education
Degrees, certifications, and relevant coursework
Universidad Americana de Costa Rica
Bachelor, Computer Science
Completed undergraduate studies in Computer Sciences at Universidad Americana de Costa Rica.
Nuestra Señora de Lourdes
High School Diploma, High School
Completed High School Diploma at Nuestra Señora de Lourdes in Heredia, Costa Rica.
Tech stack
Software and tools used professionally
Availability
Location
Costa RicaAuthorized to work in
Job categories
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