Chris Yu Email and Phone Number

Scope delivery projects and guide customers teams though software development practices.Architected and deployed machine learning infrastructure on AWS using Sagemaker Studio.Trained client staff in model deployment, experiment tracking, and workflow management.Debugged code, established security posture, set monitoring, and cost guardrails.

Scope delivery projects and guide customers through successful pilot and production deployments.Linchpin between building something bleeding edge and ensuring reliability of legacy applications.Present technical information and roadmaps to client management and staff.Design, install, upgrade VMware, AWS, and bare metal environments.Guide engineers in AWS best practices thru successful AWS certification.Attend vendor tech talks, workshops, and resource launch events to bring in resource use or monitor as the resource matures.Keep pace with machine learning, iOT, services at edge, React, Node, Python, serverless, Docker, Kubernetes, and the ever evolving best practices of running cloud native applications on AWS.

Partnered with key vendors to influence future product requirements and enhancements to address business needs.Lead the evaluation and implementation of system enhancements to advance new technical approaches Evaluate new technologies and support decision-making process and long-term technical direction; hands on evaluation of Dell server and rack workstation hardware.Vendor management.Maintain and upgrade existing PC software packages.Maintain and upgrade existing hardware.Network architecture design, installation and software version control/revision on all network equipment.Storage architecture design, installation and software version control/revision on all storage devices.

Function as a Solutions Architect when necessary.Linux systems design.Evaluate virtualization technologies and support decision-making process and long-term technical direction; hands on evaluation of virtualization clusters.Citrix, Openstack, and KVM at scale evaluation.Recommend and execute modifications to virtualization environment in order to improve efficiency, reliability, and performance.Support server infrastructure.Manage VMWare Infrastructure.Mentoring of and point of escalation to other EngineersVendor management.

Rolled out Xcom 2 and Borderlands 2 environments.Directed the deployment of 100's PC stations, Cisco install/configure, edited wiring drafts.Network architecture, monitoring, administration, team lead.Led external network operations teams in install, configuration, and triage.Identify and formulate tech support strategies, disseminate to networking and bandwidth vendors.Hardware and software build troubleshooting with internal teams.Client configuration, break-fix, OS and driver patching.Led initial walkthru of site for power audit, bandwidth order, and network wiring draft.Rolled out Bioshock Infinite environments on Win 7, PS3, and Xbox.Hands on deployment of Cisco hardware install, configuration, and triage.Systems security, network monitoring on CentOS virtual machines running Nagios, Wireshark, and Splunk.

Initial walkthru, power audit, bandwidth ordering, network wiring draft, running wire, Cisco install/setup, monitoring with Zabbix,and network triage.Rolled out iOS and Android mobile devices and software builds.Mobile OS upgrades, software patching, and device config.Network architecture, team lead.Systems monitoring and network security using Zabbix.Led networking and bandwidth vendor teams in install, configuration, and triage in a high wireless interference environments.Spec network hardware, edit network and power wiring plans, and spec/place bandwidth orders with vendors.

Acted as property manager for a mixed use 200 unit residential, 16 unit commercial building.Acted as first point of contact with contractors, San Francisco Fire Department, San Francisco Dept. of Building Inspection, San Francisco Dept. of Heath Inspection.Documented workflow for inspections.Escalated issues to appropriate contractors.Hired contractors or personally completed projects as required by City of San Francisco, Rent Board of the City and County of San Francisco, and State of California.

Evolved from startup, major retailer, sole area distributor, product design, and manufacturer.Performed all purchasing, inventory, accounting, marketing, PR, and corporate sales duties.Recruited, trained, and hired a sales and repairs staff of 8.Lead a Divisional 7-man paintball team consistently to Sunday.Administrated all travel, lodging, transportation, and misc. for 10-person groups across US.Established a tournament skills training program that attracted Comcast, SFPD, and substantially increased sales and customer retention.Built, developed, and maintained Red Hat sales system running Apache, Sendmail, MySQL, and osCommerce.Designed cutting edge parts in partnership with a manufacturer/retailer in Northridge, CA.International shipping to Europe, Asia, and the Middle East.

Performed live monitoring of US e-commerce using HP Sitescope.Escalated performance issues to DBAs and WebmastersEscalated alarmed process issues to Systems Administrators and Network Administrators.

Ownership of Oracle airline E-Ticket application environments on HP-UX.Constantly evolving build, test, and release.Onsite point of contact driving IT phases from plan to launch internationally.Relayed application change orders at business level between application stakeholders in New Zealand, England, South Africa, and the US.Then configured deployed those changes in all environments.Created and executed test cases using Pervasive SQL. Documented, managed, and resolved bugs.Drafted user documentation and help files.

Researched and documented Web sites for search engine crawler logic efficiency projects