Ihwan Ramadhani

Experience

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  PT Boer Technology (Btech)

  Feb 2021 - Aug 2021

  Cloud Engineer
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  PT. Nusa Network Prakarsa

  Nov 2021 - Nov 2024

  Network Engineer

  • Create document MOP, UAT and several other documents such as (Maintenance, Troubleshoot, and Installation).• Configuring and troubleshooting Nexus switches models 5K,7K, and 9K.• Configuring Cisco Switches models 2900, 3700, 3500, 3800, and Catalyst 9k series.• Perform upgrading IOS requirements for LAN and WLAN devices.• Implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, VPC, STP, and RSTP.• Maintains and configures HSRP and VRRP for consistency on all VLANs across a redundant Core.• Ability to configure and troubleshoot classical Data Center protocols like VPC and FHRP.• Configuring Wireless Controllers models 2504,3504,5508,5520 and 9800 to provide controlled wireless.• Assure Fortigate device health, routing, and stainability SDWAN environment.• Involving regular meetings with solution consultants to implement and enhance the proposed new designs.• Configuring Fortigate 40F 600++ Sites: SD-WAN, IPSec, BGP Routing, Policies, UTM• Configuring Aruba Switches & Access Points: VLAN, Spanning-Tree, Inter-VLAN Routing, Routing, and Port Security.• Configuring Aruba Switches: VLAN, Trunking, Port Security, Spanning-Tree, and Routing, etc.• Configuring Cisco ASA: VPN AnyConnect, Access List, Routing, and NAT.• Configuring Fortigate: SD-WAN, policies, NAT, routing, and UTM.• Configuring Cisco Catalyst 9k: VLAN configuration, trunking, and LACP. Show less

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  NICEPAY Indonesia

  Nov 2024 - now

  Network Engineer

  • Maintain core network infrastructure across on-prem & AWS (FortiGate/VM, FortiAnalyzer, Cisco ASR1000, Catalyst 3850, Dell switches, load balancers).• Monitor & test performance to isolate bottlenecks collaborate with dev/infra teams to implement fixes and prevent recurrence.Cooperate with vendors, partner, and other IT department personnel in working and solving problems.• Build & maintain network runbooks and operational docs (implementation plans, change requests, incident reports, maintenance & troubleshooting guides).• Automate device configuration backups with Jenkins for network devices.• Provision, test, and operate new IPsec VPN for integrations with major banking partners (Mandiri, BCA, BNI, BRI, CIMB, etc.), ensuring high availability & security.• Operate & maintain leased-line connectivity to banking partners, coordinating with ISP and vendors to meet SLAs.• Provide incident response & problem management.• Support PCI DSS, PCI 3DS, and ISO 27001 compliance (evidence collection, control implementation, audit remediation, and network hardening). Show less