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Greshan B
@sdlsystems
Founder of Secure Digital Labs
Sri Lanka
Inglese, Singalese
Chi sono
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.
Competenze
Greshan B
offline •
Tempo di risposta medio: 1 ora
Consulta i miei servizi
Gestione delle email
I will fix microsoft 365 and google workspace email issues with dns spf dkim dmarc
Rete cloud e sicurezza
I will setup microsoft 365 tenant with domain and security
Esperienza lavorativa
Contractor
Full time • 2 yrs 9 mos
Infrastructure Engineer (Level II / Advanced Specialist)
Jul 2025 - Present • 10 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 2025 • 1 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.
