Build. Secure.
Keep it running.
I help organizations troubleshoot, modernize and maintain infrastructure across networks, VPN, servers, cloud, security and technical operations.
IT Infrastructure ConsultantConsultant Profile
Technical depth backed by long-term infrastructure operations experience and a practical, documentation-first approach.
Technology Stack
Capabilities reflected in the CV and professional development record.
Case Studies
Corporate Email Server
Reduced Email SPAM, Virus / Macro Virus received from random server using company name employee etc. or vendor invoice fake pdf files.
- Discovery and identity mapping
- Filter Incoming Mail
- Filter Incoming Server MX
- Firewall policy
- Validation and monitoring
VPN Interconnection for Branch Stores
Professional achievement at PT Central Mega Kencana. Presented around business connectivity, routing, firewall controls, troubleshooting and operational handover.
- WAN and peer reachability
- Tunnel state and parameters
- Routing and return path
- Firewall policy
- Validation and monitoring
Cloud Infrastructure Modernization
Cloud server / Google Cloud replacing a physical server, connected to broader virtualization, server, network and security capability.
- Workload assessment
- Migration planning
- Security and access
- Operations and monitoring
- Recovery considerations
Google Workspace Email Migration
Email migration across four company domains, presented as a controlled infrastructure change involving identity, DNS, mail flow, cutover and validation.
- Discovery and identity mapping
- Migration readiness
- Cutover planning
- Validation and troubleshooting
- Operational handover
Samsung Knox for 200+ Devices
Centralized mobile device management with security policies and kiosk mode. Makes it easier to operate stores remotely.
- Discovery and identity mapping
- Migration readiness
- Cutover planning
- Validation and troubleshooting
- Operational handover
Tablets for Jewelry Craftsmen Factory
Replaced manual recording with Android tablets + real-time VPN. Increased data accuracy to 95% with real-time reporting.
- Discovery and identity mapping
- Migration readiness
- Cutover planning
- Validation and troubleshooting
- Operational handover
Windows Server / Active Directory
A sanitized reference implementation demonstrating AD DS, DNS, DHCP, GPO, endpoint validation, troubleshooting and operational documentation.
- Reference architecture
- Identity and OU design
- Policy methodology
- Validation checklist
- Handover readiness
Professional Journey
Condensed professional history; detailed project evidence lives in the case studies.
Certifications & Training Development
Several professional certificates I have obtained throughout my career through both offline and online training.
Let's turn a technical problem into a clear plan.
For freelance work or company opportunities, share the environment, the problem and the desired outcome. I can help define a practical infrastructure scope.
Email me LinkedIn WhatsAppPlease feel free to contact me to discuss your issues further.