Jimmy Pan

• Setup and maintain internal services (e.g. wireless controller, monitoring, dashboard, logging)
• Setup and maintain mass deployment service via network
• Setup router, network switch, firewall and access points for customer
• Lead to dockerize all services
• Lead to implement CI/CD workflow
• Developing devices config backup service using Git
• Developing monitoring scripts using Bash and Python to monitor router, network switch, wireless controller, PBX and MDM service
• Developing a custom RSS feed service using Python to fetch news from websites which does not provide RSS feed
• Developing a centralized management system for routers located in the offices of customers
• Developing tools for internal use to automate routine tasks
• Integrate monitor and log service notification to Slack
• Diagnostic and repair simple hardware failures of network switch and router
• Diagnostic and repair networking and Wi-Fi performance issues

• Configure BGP for IP Transit
• Configure and maintain Dell servers, Cisco switch, Fortinet firewall, Synology NAS in IDC
• Monitoring network traffic using LibreNMS
• Setup and maintain internal services (Mattermost, Redmine, Graylog, LibreNMS, GitLab, etc.)
• Build and maintain customer office network, infrastructure
• Developing easy-to-use LDAP Manager
• Customize OpenVPN Server
• Developing Cloud LDAP and Cloud RADIUS
• Developing VPN service for customer to connect our Cloud LDAP and Cloud RADIUS
• Build VPN service with OSPF to implement scale-out scalability
• Developing scripts for MDM service to manage devices

Maintain Servers, Networking devices, Internal Services, Developing and build internal systems

• Configure BGP Routing, Firewall rule on Mikrotik, Cisco, VyOS, Juniper
• Configure VLANs on RouterBoard, Cisco Switchs
• Configure Ubiquiti (UniFi) Wireless Access Point
• Manage DHCP, NAT, DNS Service
• Maintain IP-PBX, IP-Phone
• Maintain LDAP, RADIUS Service
• Monitoring Server status (e.g. Hardware health, Temperature, CPU, Memory, Network, Power, Disk usage) and Server room environment with our own software
• Monitoring network traffic using LibreNMS and Moloch
• Manage Door access control system
• Upgrade networking device from Mikrotik to Cisco
• Setup transit tunnel and BGP session to using our own Public IP in Office
• Setup DNS filter using AdGuard Home
• Setup centralized log management using Graylog
• Build our own monitoring system using Prometheus, Grafana, InfluxDB, HealthChecks
• Developing our own LDAP Manage System and deploy automaticly using GitLab CI/CD and Docker
• Developing 2FA VPN Server using OpenVPN
• Developing automated printing label system using Golang

Maintain Laboratory Server, Service and Networking devices

• Manage/Assign limited Laboratory IP
• Configure VLAN on Juniper Switch for separate public network and research network (e.g. SDN, Openstack)
• Maintain vSphere for provide laboratory services (e.g. Web, MySQL, FTP, VPN, NAT)

Maintain and customization frontend and cooperate with the backend to Developing new features

• Found BOM Bytes in PHP script for download program that cause downloaded binary broken
• Replace WinRAR with 7-Zip for packing config into client execution binary to reduce compress time

Maintain Department Server, Service, Networking devices

• Configure server room and pc classroom Firewall, VLAN, NAT, Static DHCP Binding on RouterBoard router and Juniper Switch
• Build and Maintain pc classroom network files sharing service with 2 roles (Teacher - readwrite, Student - readonly) on Windows Server 2016
• Use ITMS Mass deploy System and Software Installation/Update service to manage around of 90 computers
• Build private cloud using Promox VE to provide public services (e.g. DNS, Online Judge)
• Maintain in-house GitLab Server to manage online judge source code
• Developing pc classroom network manage app with cordova, HTML, JS and Python for api communicating with routerboard router
• Using observium to monitor network and service status
• Administrative of G Suite console for department