Cs Liu Email & Phone Number

California, United States

Campbell, California, Us

Lead for 5G NeutralHost in GCP, iOS17’s 5G/CBRS feature integration, 3rd party-RAN, andDevice-Certification projects.

Passionate for driving cloud solutions and product quality

Worthing, Gb

Development/System QA on in Wi-Fi/Bluetooth for the suites of Audio Speak Ecosystem> Integration and Dev Test on Wi-Fi 2.4/5G, Bluetooth, Ethernet> Lead on Bluetooth integration, Wi-Fi BT Co-existence on Dev boards/DV/PV units> Coordinate and execute the Competitive test study among key smart speaker competitors> Coordinate the offshore QA team for the antenna performance and system performance/regress test> Deliver performance test on prototype units to achieve high-precision audio synchronization over WLAN/Ethernet> Responsible for Ethernet/WiFi performance with RvR over Mesh, AP& STA modes> Lead Dev Test on ACS, ANI, 802.11s path selection, DFS / CAC (Channel Availability Check), RD (Radar detection) & CSA (Channel Switch)

* Work in penetrating the multiple-billion revenue sector with new application and innovation. * System integration on sensor technologies into replacing the existing infrastructure. * Integrate and evolve new solutions with big data implementation with diff DB, servicing from the cloud platform.

Sunnyvale, Ca, Us

Leadership: Leading effective task forces to solve tactic & strategic problems; Bringing strong execution and motivation in team formation with conviction of success in vision; Collaborative style of bridging in corporate objectives and people’s values; Demonstrate abilities in coordinating the global development test automation from planning to many successful executions. Building collaborative relationship among technical groups.Technical

San Jose, Ca, Us

* QA test manager for Wireless and Bluetooth IP phones:Led HW/SW QA and Support teams in the development of the Wireless & Bluetooth IP Phone products in a fast-paced and dynamic environment, including the off-shore and ODM partner’s QA teams. Managed delivery of multiple Wireless and Wired IP phone products – WLAN with Bluetooth IP phone, Wired IP desk phones with limited test resources. Drove QA team to deliver on an aggressive schedule to meet market needs and resolve high priority issues, and coordinated intermediate releases to address key issues. Drove weekly bug scrub meetings. Hands-on testing experience on Linux-based IP phone products, WLAN, TCP/IP, DHCP, DNS, TFTP, CDP, SCCP, SSL/TLS, PKI, switching/routing, VoIP, Call features, Wireless RF, 802.11, 802.1x, Cisco CCX, CAC, Power Save, PowerManagement over WiFi using U-APSD, Audio quality over Wireless with QoS and Call Admission Control (TSPEC/TCLAS), USB Bluetooth, and performance and capacity testing with VoIP over Wireless, Bluetooth’s performance/capacity with the co-existence with 802.11b/g, Bluetooth’s QVT over WiFi. Provided hands-on technical help for QA members for identifying, isolating & reproducing issues consistently, and re-configured lab network as needed. Established leadership in improving product quality and received recognition for the best product in quality. Defined QA system/feature requirements and test strategy, generated test project schedules and budget, recruited and built the QA and lab support teams. Advised executive team in bugs and issues in program activities. Conducted due diligence to evaluate product quality, review QA execution of test plans /test cases, analyze design issues or limitation with development team. Monitored project schedules and status, estimated budgets, recruited and hired QA personnel and directed the ODM’s SQA teams. Led/executed Automation – Planned, innovate, and executed XML Test Automation on Wireless/Wired phone testing.

San Jose, Ca, Us

Project lead for Wireless products:Test lead for IOS Access Point & Client project – Cisco 1st release of CCKM, Fast Secure Roaming & WPA/WPA2, WLCCP/SWAN wireless controller solution. Project lead for WNBU Test Automation & “Test Tracker” online reporting system.Coordinated a total of 30+ test engineers from multiple groups and drove from test planning, execution in a full life cycle of development through multiple test phases, and organized the weekly bug scrub meeting across development and devtest groups. Hands-on experience on Voice over 802.11, such as Cisco 7920 & Spectralink Wireless phone testing.Hands-on experience on 802.11a/b/g RF, 802.1x authentication/encryption, & QoS/VLAN over Wireless.Hands-on experience on TCP/IP, Routing, Switching, Mobile IP, and IOS-based TcL Automation.On-site Trial Support for GSM’s MNET 1.5 product in Singapore.Customer support for EFT trial and solution testing with Cisco’s CCM and Voice gateway, such as AS5300, 7200, 3640, & VG200. Test Lead for MNET v1.1 / v1.5 / v2.0 Pico-cell GSM over enterprise IP project.Hands-on experience and knowledge on all Cisco’s router, switches and VOIP gateways, TI/PRI, CAS, ISDN, FXO/FXS, H.323, SCCP, MGCP and Cisco Call Manager servers.Helped coordinating & executing System Test plan for the testing of AVVID deployment models for CCM in the E-E Infrastructure with CCM deployment models in the 1,300-10,000 simulated user testbeds, including two Regional offices, four Branch offices, eight Soho testbeds.Interoperability testing of different VOIP gateways through PBX, such as Lennon T1/Pri, Elvis FXS, AS5300 T1/Pri, Chopin’s T1/CAS, 3600’s T1/CAS, FXO/FXS, 2600’s T1/CAS, FXO/FXS, VG200’s FXO, DT24+’s Pri, AT2’s FXO in the AVVID End-to-End Infrastructure Testbeds.System testing on DSP features in AVVID design, such as Yoko testing on MTP/Transcoding, Conference Bridge across Regional/Branch/Soho internetwork.Cross-train with engineers from NSC, TAC, SE, &Cisco India.

VOIP/Gateway Product Support EngineerProjects: HiNET RC 3000; Telephony Information Server(TIS)On-site trial support for VoIP product in HongkongGlobal support for Siemens VoIP applications & EFT test of the new release of the VOIP application (H.323 v2).Manage, reproduce & identify issues escalated from the field and provide the resolution of the problems back to the level-2 support groups.Responsible for publishing guideline, and providing network consulting as a major technical resource for management.Responsible for providing support for Trial customer’s site, network recommendation for the deployment of VOIP applications in customer’s environment.