Ahmad Miska Sirojuddin

• Managed and monitored enterprise LAN/WAN network infrastructure spanning 4 buildings and 24 floors, serving
500+ active users while maintaining consistent 99%+ uptime.

• Configured and maintained routers, switches, and access points (Ruckus, MikroTik, TP-Link) across all network
nodes throughout 24 floors and 4 buildings.

• Designed and implemented network topology, IP addressing schemes, VLAN segmentation, and routing protocols
(OSPF, static routing) to support 500+ users.

• Performed network security hardening including firewall rule management, site-to-site and remote access VPN
configuration, and network access control.

• Monitored network traffic in real-time using SolarWinds, Ruckus Controller, and Zabbix; proactively handled
incidents to minimize impact on 500+ users.

• Maintained comprehensive network documentation including network diagrams, IP address plans, and Standard
Operating Procedures (SOPs) for a 4-building infrastructure.

• Coordinated with ISPs and vendors for circuit provisioning, cross-party troubleshooting, and SLA compliance
monitoring.

• Provided L1 & L2 technical support, resolving an average of 5 tickets per month within SLA; maintained high user
satisfaction across a 500+ user environment.

• Conducted periodic network audits and performance reviews to identify and eliminate bottlenecks across the 24-
floor infrastructure.

• Delivered first-line (L1) technical support for hardware, software, and peripheral issues for all employees.

• Installed, configured, and maintained desktops, laptops, printers, and other IT equipment.

• Performed basic network troubleshooting including connectivity issues, IP configuration, DNS/DHCP, and internet
connectivity.

• Managed user accounts and access rights in Active Directory and account management systems.

• Documented all technical issues and resolutions in the helpdesk ticketing system.

• Supported meeting room setup and video conferencing equipment for operational needs.

• Assisted with new employee onboarding: device configuration, account creation, and IT system orientation.

• Conducted site surveys to determine optimal WiFi device placement based on customer premises layout.

• Installed and configured residential WiFi equipment (routers, access points, repeaters/extenders) including SSID setup, WPA2/WPA3 security, and channel/frequency settings (2.4GHz/5GHz).

• Verified signal quality across all areas and performed speed tests post-installation to ensure service quality.

• Educated customers on basic WiFi device usage and home network security best practices.

• Documented all installation results including device configurations and network conditions.