Cisco DevNet Sandbox (https://devnetsandbox.cisco.com) is a critical platform that allows partners, developers, and learners to experiment with ideas on Cisco platforms. We have developed hundreds of sandboxes on a 24/7 platform to showcase Cisco Security, Networking, Data Center, and Collaboration products. Sandbox is using widely by engineers who are pursing CCNA/CCNP/CCIE qualifications. Responsibility:• As a founding member of the sandbox team, I have built 100+ sandbox labs for Cisco security, networking, collaboration and data centers products. • Partial labs I’ve built: Cisco WebEx, CUCM, PCCE, Cisco Defense Orchestrator(CDO), Cisco Umbrella DNS Protection, Cisco ASA firewall, Cisco Firepower Threat Defense, Meraki, Cisco Modeling Labs, Cisco 8000 Sonic• Lab admin for local lab which consists of Cisco blade/rack server, routers, switches, firewalls and VoIP devices for solution validation. Hands-on experience in configuration using IOS/IOS-XR/IOS-XE/NX-OS commands. • Manage various Linux/Windows releases (RHEL/CentOS/Ubuntu/Windows Server) and good at Windows AD, SSH, DNS, NTP configurations • Solid knowledge in Webex admin and Bot integration• Secure best practice in design/code/container/cloud lifecycle and have participated in system stress testing, penetration testing and threat mitigation. • Interact with global developers/partners through email, community, Webex, social media, YouTube, and on-site Cisco Live, answering over 500 questions• Collaborate seamlessly with internal engineering/product/sales teams for better customer experience (CX).• Experienced in AWS/Azure public cloud services and VMWare vCenter private cloud operations. We built internal tools for service catalog, system alert and northbound API .• Proficient with CI/CD tools such as GitHub, GitLab Webhooks, and monitoring tools like Prometheus, Grafana, Nagios, ElasticSearch, and Splunk.

Linksys VoIP dev-test team is focusing on SP/Retail VoIP products. Our tested voice products have been shipped over 1.4M over past 12 months. And more than 20 different products verified in our team: ATA (Analog Voice Adaptor), IP Phone, IP PBX, VoIP/PSTN gateway, Wifi IP Phone and Cordless Phone, CPE (Customer Premise Equipment)Skills: TCL (Automation Script), Visual C++, IXIA IxExplorer (Traffic Generator), CDRouter (Feature test), Rochelle (Phone Emulator), Ameritec (Call Generator)Responsibility:• Test and automation for VoIP products using C++, TCL• Writing and execution of test plan, conduct test plan review, testing schedule.• Working with developers to reproduce customer issues and support local sales team• 9 months (Jun. 2005 – Mar. 2006) on-site training in San Jose, CA, USA3. Jun. 2006 – Dec. 2006: CIT310 Project Description: CIT310 is dual mode cordless phone to make free calls with Yahoo! IM Development Tools: Visual C++ 2005, Windows DDKResponsibility: Call state machine, Setup Wizard

Nov. 2003-May 2004: Real Class based on Intel Microphone ArrayProject Description: Real-time teaching system based on Intel MA characteristic Software Environment: Win32Development Tools: Visual C++, Intel MA SDKResponsibility: Team lead, Design and implement dome driving module

• 3 years C/C++ experience in telecom, power and finance projects on Unix/Win32 platform• 6 months working experience in Tokyo, Japan with customer engineers