Available for full-time & freelance
Ramantya Dwiangga Supasunu
IT Infrastructure, Network and Security Staff & SAP Basis Staff
Designing, securing, and optimizing enterprise infrastructure across multi-branch environments, including network, cloud platforms, virtualization, and identity management.
- Infrastructure & CloudVMware, Windows Server and Microsoft 365
- NetworkFortinet, Cisco Meraki, VPN and SD-WAN
- Security & IdentityActive Directory, Azure AD, MFA and EDR
- SAP BasisUser authorization and role administration
Selected work
All projectsSecurity
Enterprise network & security homelab
Built a virtual enterprise lab to practise segmentation, identity, firewall policy and monitoring end to end, away from production.
Network
Cisco Meraki rollout across branch offices
Led the Cisco Meraki rollout and rebuilt the branch network on one standard design.
Infrastructure
Exchange to Microsoft 365 migration
Led the move from an on-premise Exchange server to Exchange Online in Microsoft 365.
Certifications
Full profilePlanning and Administering Microsoft Azure for SAP WorkloadsMicrosoft · 2025
Aruba Certified Switching Associate (ACSA)Hewlett Packard Enterprise · 2024
CCNAv7: Enterprise Networking, Security, and AutomationCisco · 2022
CCNAv7: Switching, Routing, and Wireless EssentialsCisco · 2022
Have a system that needs to stay up?
I take on full-time roles and freelance infrastructure work.