Cybersecurity Engineer · Blue Team · Cloud Infrastructure

Diogenes
Rosario

root@sec:~# 

ES Native

EN Intermediate

Santo Domingo, DR

5+ Years experience
6+ Certifications
11 Projects
25+ Credentials

Cybersecurity professional with experience in SOC Tier 2 operations, security incident investigation, and cloud-based environments. Skilled in incident response, email security analysis, vulnerability remediation, and AI-related security investigations — with a strong background in Microsoft 365, Azure, AWS, and Linux/Windows infrastructure.

Available for projects Full-time Part-time Remote preferred Open to hybrid
01

Experience

Cybersecurity Analyst

IT Infrastructure Manager

Cybersecurity Instructor Assistant

Cybersecurity Content Development Manager

02

Projects

01

Bachelor's Thesis

Assessment of AI Implementation Impact on Cyber Resilience in University Security Departments

AI SecurityResearchCyber Resilience

Researched and analyzed the effects of AI adoption on cybersecurity resilience within a university's security department, identifying risks and opportunities for defensive improvement.

02

Technologist Thesis

ISMS Proposal Based on ISO/IEC 27001:2013 for Tourism Sector Organization

ISO 27001ISMSCompliance

Designed a comprehensive Information Security Management System proposal for a tourism sector organization, aligned with ISO/IEC 27001:2013 standards and tailored to the industry's specific risk profile.

03

Cloud Security Coverage Monitoring

Cloud SecurityMonitoringAgents

Monitored security agent deployment across cloud instances and container orchestration workloads to ensure continuous security coverage across the infrastructure.

04

IAM Strategy with Single Sign-On (SSO) and Multi-Factor Authentication (MFA)

IAMSSOMFAIdentity

Developed and implemented an Identity and Access Management strategy, enforcing Multi-Factor Authentication across all users and deploying Single Sign-On to centralize authentication across multiple systems and applications.

05

Implementation and Configuration of Azure Lab Services

AzureCloudLab Services

Deployed and configured Azure Lab Services environments to support hands-on technical training, managing resource allocation, access policies and cost controls.

06

Continuous Monitoring and Implementation of a Security Operations Platform

SOCSIEMMonitoring

Implemented and maintained a cloud-based Security Operations Platform with continuous monitoring capabilities, enabling real-time threat detection, log management and incident response workflows.

07

Moodle LMS — Implementation, Configuration & Management

MoodleLMSInfrastructure

Installed, configured and managed a Moodle Learning Management System, handling platform administration, user management, integrations and ongoing maintenance.

08

Open edX LMS — Implementation, Configuration & Management

Open edXLMSInfrastructure

Deployed and managed an Open edX Learning Management System, overseeing infrastructure setup, customization, and operational continuity.

09

Cybersecurity Defense Strengthening via CIS Critical Security Controls v8

CIS ControlsDefenseHardening

Participated in the implementation of CIS Critical Security Controls v8 to systematically strengthen the organization's cybersecurity defenses across people, processes and technology.

10

SSL Certificate Management

SSLInfrastructureSecurity

Configuration and maintenance of SSL certificates across 10+ servers, ensuring continuous availability and validity.

11

Dedicated Server Infrastructure

InfrastructureProxmoxVirtualization

Installation, configuration, maintenance and monitoring of dedicated server infrastructure of up to 10 servers, including virtualization environments for lab and training purposes.

03

Credentials & Certifications

04

Education

Bachelor of Engineering in Cybersecurity

Cybersecurity Engineering

Technologist in Information Security

Information Security

Highest GPA — 14th Graduation Ceremony

High School IT Technician

Computer Science

English Language Program

Advanced English

05

Skills

SOC Operations Incident Response Security Monitoring Phishing Analysis DLP Security Incident Investigation Vulnerability Assessment IT Infrastructure Management Cloud Security Information Security Network Security Risk Management ISO 27001 DNS Administration CIS Controls OWASP Cryptography Ethical Hacking Microsoft 365 Microsoft Azure AWS Azure Active Directory Keycloak / SSO / IAM Linux Windows Server Bash Python VMware VirtualBox Proxmox pfSense Nmap Nessus VPN Automation Project Management Troubleshooting Jira MinIO HTML / CSS C#
06

Tools & Technologies

These are some of the tools and technologies I've used throughout my professional journey.

07

Get in Touch

Interested in working together, have a question, or just want to connect? Send me a message and I'll get back to you as soon as possible.

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