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 XDR, 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 XDR 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.
Security, Compliance, and Identity Fundamentals covering 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