Some security jobs:1. Pentesting all production business, internal tools and 3rd-party applications,2. Security incidents response,3. Security threat analyze,4. Forensics for the hacked VMs,5. Phishing mail analyze and trace,6. Verify the pentesting reports from the hackers of bounty program vendor.7. Create monitor alarms scripts for security check.8. Draft and written most of security wiki and SOP for Stubhub.9. Periodic security scanning, report audit and trigger the patching process for all servers.10. Design security protection scheme.Some OPS jobs:1. Jenkins and Kubernetes maintenance and troubleshooting, 2. GCP resources maintenance.3. F5 LTM configuration analyze and guide the intern develop the traffic analyze tool.4. Abnormal traffic analyze.5. Software load balancers(for internal tools) maintenance.

Some daily OPS jobs: 1. Jenkins CI/CD pipeline create and maintenance,2. Kubernetes cluster deploy and maintenance,3. Performance tune and security enhance for all Linux servers,4. Automatic tools development and maintenance,5. Troubleshooting for tricky site issue,...Some IT jobs:1. Office network design, deployment and upgrade,2. Deploy monitor and alarm script for all devices to monitor the office alarm healthy,3. Deploy VPN service to connect all offices in China,...

1. Production environment load balancer management.2. Certs management and renew.3. Some services of Windows Server(just like: AD, WSUS, KMS and so on.)4. Internal servers management.

Some OPS jobs:1. Deploy, maintenance and troubleshooting for Cloud VM, Cloud Host productions, 2. Deploy maintenance and troubleshooting for UCloud public services, just like Yum/APT repos mirror site, DNS, NTP, WSUS and KMS server clusters,3. Business code deployment, version gray control, and other daily jobs,4. Business monitor and alarm script development.5. Patching for all hypervisor host(over 100,000 hosts) and some business and public service VMs(over 1000 VMs),6. Written internal issue reports,...Some technical support jobs:1. Answer the customers' question and tech them how to use our productions, especially some documents of productions out of date or new production without document,2. Confirm the production/network issue from the customers, especially the network issue caused by force majeure,3. Written documents for customers, not only user guides, but also incident notification, public issue reports and some advertisements,4. Keep and tune the customer relationship,5. Help the customer to design the security architecture,6. Help the major customers deploy and maintenance some business,...