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sdlsystems

Greshan B

@sdlsystems

Founder of Secure Digital Labs

Sri Lanka
Inglés, Cingalés
Parte de la información aparece en idioma inglés.
Sobre mí
I support Microsoft 365 and Google Workspace environments, delivering advanced troubleshooting and administration across core cloud services. With MSP experience, I handle real-world issues across Exchange Online, Teams, SharePoint, and OneDrive, including complex mail flow, access, and configuration challenges. I specialize in email systems, deliverability, DNS, and security, and work with vendors including Microsoft, Google, VoIP providers, and Trend Micro. My work spans broader cloud and infrastructure areas, with a focus on targeted, high-value support.... Lee más

Habilidades

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sdlsystems
Greshan B
desconectado • 
Tiempo medio de respuesta: 1 hora

Revisa mis servicios

Gestión de correo electrónico
I will fix microsoft 365 and google workspace email issues with dns spf dkim dmarc
Red y seguridad en la nube
I will setup microsoft 365 tenant with domain and security

Experiencia laboral

Contractor

Tiempo completo • 2 yrs 9 mos

Infrastructure Engineer (Level II / Advanced Specialist)

Jul 2025 - Present10 mos

Support Microsoft 365 and Google Workspace environments for business clients, delivering setup, administration, and advanced troubleshooting across core cloud services. Work extensively with Exchange Online, Microsoft Teams, SharePoint, and OneDrive, resolving real-world issues including mail flow problems, access and permission issues, syncing errors, and service configuration challenges. Strong focus on email systems and deliverability, including SPF, DKIM, and DMARC configuration, spam filtering, and DNS management. Experience gained within an MSP environment, handling a wide range of client scenarios beyond what is listed here, including collaboration platforms, security tooling, and cloud service integrations.

2nd Line Infrastructure Engineer

Sep 2023 - Aug 20251 yr 11 mos

Provided second-line support within an MSP environment, managing Microsoft 365 and Google Workspace environments for business clients. Worked across Exchange Online, Microsoft Teams, SharePoint, and OneDrive, handling complex issues including mail flow failures, permission and access problems, tenant configuration, and service-related incidents. Regularly resolved email deliverability issues using SPF, DKIM, and DMARC, alongside DNS troubleshooting and domain configuration. Also supported email security platforms and collaborated with vendors such as Microsoft to drive issue resolution and ensure service reliability.