Luis Baldera | Professional Resume
Cybersecurity Analyst specializing in Data Security, IAM, and Microsoft 365 Defensive Architecture. Over 8 years of enterprise infrastructure, identity governance, and security operations experience.
Professional Summary
IT professional with 8+ years of enterprise support and identity/access administration experience, transitioning into dedicated data security operations. Hands-on background monitoring and escalating security alerts through Microsoft Defender ATP, administering Active Directory and Microsoft Entra ID, and managing user access and least-privilege permissions across Microsoft 365 (SharePoint, OneDrive, Exchange).
Core Competencies
Security Monitoring & Triage
Identity & Access Management (IAM)
Microsoft 365 Data Security
Automation, ITSM & Compliance
Professional Experience
IT Support Engineer
Abt Global- Monitor, analyze, and escalate potential security threats identified through Microsoft Defender ATP to the Cybersecurity team, applying risk-based judgment to distinguish suspicious activity from legitimate business activity and determine when escalation beyond first-line support is warranted.
- Manage user profiles, roles, and access permissions across corporate applications to safeguard data integrity and enforce least-privilege access, reducing unnecessary exposure of sensitive systems and data.
- Administer Active Directory and Microsoft Entra ID identities, and support Microsoft 365 environments including Exchange, SharePoint, and OneDrive, gaining direct working knowledge of permissions, sharing, and access-control concepts central to data security operations.
- Take ownership of security- and access-related support cases from intake through resolution across multiple time zones, coordinating with internal teams to investigate and resolve issues while consistently meeting SLA targets.
- Log, prioritize, and document all investigations, resolutions, and known-error articles in ServiceNow and the internal Knowledge Base, building recurring dashboards that track case volume, resolution times, and recurring issues to support operational and audit reporting.
- Reduced escalation rates by onboarding and training new IT staff on structured troubleshooting and security-awareness standards, improving consistency in how potential threats and access issues are identified and reported.
Education & Certifications
Certifications
Security Principles, Business Continuity, Incident Response, Access Controls, Network & Operations Security.
Fundamentals of Entra ID, Microsoft Purview DLP, Microsoft Defender, and Azure Governance.
Education
Bachelor of Science, Computer Science Engineering
(Informatics Engineering)
Universidad Alejandro de Humboldt – Caracas, Venezuela