About & Resume

Last updated Sep 19, 2023

• Personal

Vegan.

Works in IT as administration, architecture, and manager from year 2014, with extensive hands-on experience.

• climate change, environment protection
• education innovation, spiritual development, psychology
• documentary, film, book

• English: B2
• Chinese: native

list of my certificates

• system
  • Server: Linux, Windows
  • Desktop: Windows, Linux, Qubes OS
  • Mobile: GrapheneOS
• BI development: MS SQL Server + MySQL + PowerBI
• programming: Bash, Python, SQL, Go, PowerShell
• network
  • firewall, router, switch, AP, NAC, 802.1X
  • VPN: tinc, OpenVPN, ocserv (AnyConnect), IPsec
  • proxy: Squid
  • hardware vendor: MikroTik, Huawei, H3C, Unifi, FortiGate
  • software: RouterOS, pfSense, OPNsense, Panabit, AppEx, Debian, PacketFence
  • cross the GFW
• server hardware: Dell PowerEdge, RAID, customize build
• software
  • 3A: FreeRADIUS
  • agile: Jira
  • assets management: Snipe-IT
  • backup: Veeam, Sanoid, rsync, rclone
  • chat: Zulip
  • CI/CD: Ansible, Terraform, Gitlab & GitHub, DVC, Artifactory, SVN (Subversion + Microsoft AD + IF.SVNadmin), Jenkins, STF (Android remote control)
  • endpoint management & DLP: EndpointProtector, Admin By Request, Digital Guardian, ManageEngine
  • file share: Seafile, CIFS, Samba, NextCloud
  • licensing: Sentinel
  • load balancer: Haproxy, Nginx, iptables
  • monitoring: Zabbix
  • office suit: Microsoft 365, Google Workspace
  • private telephone network: FusionPBX (FreeSwitch)
  • Zero Trust (Pomerium + Dex + AD)
  • storage: ZFS, iSCSI, FreeNAS
  • Virtualization: VMware, Hyper-V, Proxmox (KVM and LXC), Docker
  • web server: Nginx, Apache, Caddy
  • wiki: Confluence, BookStack
  • Windows Server: AD, DNS, GPO, RemoteApp
• Cloud: Google, Azure, Alibaba

GritWorld
2019 ~ 2022, Shanghai
Senior IT Administrator
Responsible for IT operations and maintenance, administration, and management.

Freelance
2019
BI and web development.

IBM
2018 ~ 2019, Shenzhen
IT Support
Support DBS HK bank, focused on application and server support.

Lost & Found
2017 ~ 2018, Beijing
IT Engineer
Responsible for construction of their new office and server room. Setup and administration of IT related software and hardware.

S.I.T.
2014 ~ 2017, Beijing
IT Develop Engineer
Responsible for IT operation, maintenance, and administration. Leading development of a business intelligence project.