EFREN MARTINEZ

📍 Fountain, Colorado | 📧 efren.martinez.tech@gmail.com | 📞 (510) XXX-6806 | LinkedIn GitHub

Skills

Cloud Platforms: Microsoft Azure, Azure Virtual Machines, Azure Functions, Azure Static Web Apps

Infrastructure & Identity: Active Directory, Entra ID (Azure AD), RBAC, Identity Lifecycle Management, Multi-Factor Authentication (MFA)

DevOps & Automation: Git, GitHub Actions, CI/CD Pipelines, Infrastructure as Code (IaC) Concepts

Security & Monitoring: Microsoft Sentinel (SIEM), Threat Detection, Security Event Analysis, Incident Response, Log Monitoring

Systems & Networking: Windows Administration, VPN, DNS, HTTP/HTTPS, Remote Desktop Protocol (RDP)

IT Operations: ServiceNow, Incident Management, Technical Documentation, Troubleshooting

Sentinel Technologies — September 2022 – Present | Remote

Administer Windows 10/11 endpoints and Microsoft 365 cloud services supporting user access, device management, and system availability.
Manage Active Directory and Azure Entra ID identity lifecycle tasks including account provisioning, group management, and access troubleshooting.
Diagnose and resolve authentication, VPN connectivity, and endpoint issues impacting enterprise and cloud-based applications.

MCSG Technologies — April 2022 – September 2022 | Fort Carson, CO

Resolved and documented high-volume BFT incidents via phone, email, and chat following standardized troubleshooting procedures.
Improved escalation effectiveness by ~15% through detailed ticket documentation and accurate handoffs.
Delivered step-by-step remote troubleshooting guidance increasing first-time resolution rates.

US Army — March 2017 – March 2021 | Fort Carson, CO

Executed preventative maintenance schedules for electronic and IT equipment valued at over $2M.
Diagnosed and repaired electronic and computer systems reducing downtime by ~2 hours per incident.
Created technical documentation for 30+ system configurations and troubleshooting procedures.

Technologies: Azure Static Web Apps, Azure Functions, Cosmos DB, JavaScript, GitHub Actions
Built and deployed a serverless cloud resume website using Azure Static Web Apps.
Developed an Azure Function API integrated with Cosmos DB to dynamically track and store visitor metrics.
Implemented CI/CD pipeline using GitHub Actions to automate deployments and infrastructure updates.
Architected scalable cloud infrastructure using serverless compute and managed database services.

Bachelor of Science in Computer Science
Colorado Technical University — Colorado Springs, CO
GPA: 3.60 / 4.0