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denis_cloud

DenisCS

@denis_cloud

IT Systems Specialist, Email Deliverability and DNS Authentication

Spanje
Engels, Spaans, Catalaans
Sommige informatie wordt in het Engels weergegeven.
Over mij
Hi, I'm Denis, an IT and Systems Administrator specializing in email infrastructure, DNS configuration, and cloud platforms. I help businesses and entrepreneurs secure their email ecosystems, solve spam/bouncing issues, and implement proper authentication protocols (SPF, DKIM, DMARC) across Microsoft 365, Google Workspace, and major DNS providers like Cloudflare, GoDaddy, and Namecheap. Focused on fast turnarounds, reliable communication, and secure setups.... Lees meer

Skills

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denis_cloud
DenisCS
offline • 

Bekijk mijn diensten

E-mailbeheer
I will fix email deliverability, spf, dkim, dmarc, and dns records
VanafUS$ 15 / projectMeer informatie

Werkervaring

Enterprise_Technology

Systems Administrator - Microsoft 365

Enterprise Technology • Fulltime

Aug 2025 - Present • 1 yr 2 mos

Autonomous administration of Microsoft 365, Entra ID, and Active Directory environments for 250+ users. Responsible for workstation lifecycle management, corporate network diagnostics (LAN/Wi-Fi/VPN), DNS configurations, and root cause analysis via system logs and SQL queries.

Council

Full Stack Developer

Council • Fulltime

Oct 2022 - Jan 2023 • 3 mos

Developed a custom web application for municipal election management using HTML, CSS, JavaScript, PHP, and MySQL. Implemented core features for data handling, reporting, and secure database interactions, ensuring high performance and data integrity.