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
See how I work, not only what I delivered.
Choose a path based on what you want to assess: project experience, incident decisions, or hands-on troubleshooting.
Project case studies
Design decisions, implementation, and outcomes from production environments.
View project case studiesOperations Room
Lead dynamic incidents, collect evidence, and control business risk.
Start incidentTroubleshooting Lab
Enter device consoles, isolate the fault, and prove the repair.
Open labCandidate
Specialty: Operational readiness
Complete an Ops Room scenario or Lab to build your operator profile.
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Selected work
All projectsEnterprise network & security homelab
Built a virtual enterprise lab to practise segmentation, identity, firewall policy and monitoring end to end, away from production.
- Isolated VLANs
- 4
- Repeatable workflow
- Scan → fix → re-scan
Cisco Meraki rollout across branch offices
Led the Cisco Meraki rollout and rebuilt the branch network on one standard design.
- Branch offices
- 15
- Issue resolution
- ~1 day → ~1 hour
Exchange to Microsoft 365 migration
Led the move from an on-premise Exchange server to Exchange Online in Microsoft 365.
- Mailboxes migrated
- ~500
- Planned downtime
- ~4 hours
Certifications
Full profileHave a system that needs to stay up?
I take on full-time roles and freelance infrastructure work.