Steven Ho Email & Phone Number

Pleasanton, California, Us

Pleasanton, California, Us

Mountain View, California, Us

Dedicated Machine Learning Infrastructure Engineer for Intuit AI teams supporting over 40 Data Scientists and MLEs with primary objective to increase DS/MLEs productivity by unblocking them in their day to day work. The development and enhancements (automation, instrumentation, processes) made for SBSEG and Customer Success teams which resulted in reduction in time to value, increased reliability, availability and lower OpEx for the services were shared across other partner teams for Intuit AI wide impact.Worked with Data Scientists to tune ETL spark job and schedule nightly successful runs. Took learnings from spark tuning and assisted three other teams with their spark jobs to take from failing jobs to successful runs. Improved autoscaling metrics and modified autoscaling adjustments for better costs savings which resulted in over $70,000 annual savings.Implemented our team's first service desk initiative, creating an easy to fill out form for all service requests that automatically gets sent into our team dashboard where the entire team can keep track of all of their day to day work and customers can keep track of the status of their requestsWorked with the team to create our team’s first MLIE survey rolled out to the entire Intuit AI Org. Based on feedback to provide more centralized documentation, we worked to create Intuit AI’s stackoverflow site, where we can share solutions to commonly asked questions and issuesDelivered durable, scalable, adaptable patterns for EMR and AWS infrastructure that is used by 6 teams and 10 AWS accounts across Intuit AI.Created restacking scripts that fully automate restacking of an EMR with a single command reducingrestacking time from 1 hour to 30 mins (50% faster)Mentored and trained new Staff MLIE hire and multiple contractors with several technical working sessions and ongoing support to make sure they are up to speed and be able to effectively support their new teams

Mountain View, California, Us

Dedicated Service Delivery/Site Reliability Engineer for Intuit's Data Lake Platform onboarding, supporting over 125 VPCs over 11 AWS accounts. All tasks are fully automated through terraform scripts and rolled out with Jenkins. Duties include:Procuring and setting up new VPCs and VPN connectivity for each accountRoute 53 DNS propagationKafka onboardingUpdating security groups, NACLs and routing tablesOnboarding to IDPS IAM role and policy management.Running the service desk Kanban for Data Analytics Provisioning team providing troubleshooting and AWS expertiseHelped provision and support Data Catalog AlationMultiple VPC migrations and restacksSupport S&O team for EMR and Tidal rolloutCreated VPC peering and bastion host modules that included automated AMI restacking via TerraformService Delivery EngineerSupport Intuit Data center needs with oncall rotationRemediated and patched Meltdown and Spectre vulnerabilities across 8 VMware ESXiclustersOpen up ACLs from AWS to and from Intuit DatacentersOnboarded multiple applications to splunk using Skyport systemsCompleted VPC migration projectonboarded multiple customers to new VPC modelLead and provided multiple AWS training sessions to service delivery engineers and managersSupported Identity datacenter to AWS migration

Irvine, Ca, Us

• Managed VMware Flexpod infrastructure with over 350 Windows Server, Ubuntu, and Centos servers• Lead and completed upgrade of our VMware Flexpod environment from vSphere 5.0 to vSphere 5.5 • Migrated and managed over 250 production servers from private cloud VMware vSphere 5.0/Flexpod environment to Amazon AWS EC2.• Built out and maintained staging environment in Amazon EC2/VPC, matching production• Migrated Development and QA servers from AWS EC2 back to VMware vSphere 5.0/Flexpod• Successfully built out and migrated all EC2 servers to Amazon VPC• Maintained AWS Security Groups, load balancers, IAM Policies and supported Redshift and RDS clusters • Consolidated two Windows domains, and created new production Windows 2008 R2 Server Active Directory Domain.• Implemented and managed Okta single sign-on allowing users to simplify password management• Implemented Ossec File integrity/IDS Server, saving the company over $300,000 compared to using Tripwire• Implemented PagerDuty system to simplify incident management• Implemented production change control management utilizing Intuit Quickbase.• Participated in 24x7 oncall rotation for production support and weekly software releases.• Created and maintained inventory of all servers.• Maintained and updated VMware templates and Amazon AMIs for Windows Server 2008 R2. Windows Server 2012, Centos 6, and Ubuntu 12.04 and 14.04• Built out Spireon’s corporate Wiki using Atlassian Confluence so users can collaborate and share information. • Installed and maintained Jira Server, providing patch releases, upgrades – also completed a migration from Jira cloud to Jira Server.• Lead, trained and mentored a team of 5 system administrators.• Worked with DevOps to test and automate AWS instance provisioning and ELB creation. • Maintained NetApp filers running Ontap 8.2, setup snapmirror between DR and production sites.• Implemented Morpheus, fully automating server deployments.

Irvine, California, Us

• Revamped entire VMware Infrastructure on Cisco UCS servers, enabling HA and DRS cluster, building out new vCenter 5.0 Server• Implemented, setup and managed 3PAR StoreServ 7200 SAN to use with VMware infrastructure using ISCSI.• Built out new production Windows 2008 Server Active Directory domain• Implemented Splunk server for centralized syslogging

San Francisco, Ca, Us

• Managed 24x7 VMware ESXi and Windows Server 2008 and 2012 Active Directory infrastructure.• Built out new DR site utilizing HP C7000 blade servers, effectively doubled the number of VMs, and expanded active directory servers to DR site• Researched and created PowerCLI and Powershell scripts to fully automate VM deployments from start to finish greatly reducing time and effort for new VM creation. • Implemented Windows patch deployment process utilizing BatchPatch for automation of monthly Windows patches• Completed migration of VMs from a failing iSCSI HP P2000 SAN to a NFS NetApp FAS2240 Filer. • Completed memory upgrades for all ESX servers and tripled the amount of ESXi servers across datacenters.• Completed upgrade of all ESX hosts from ESX 4.1 to ESXi 5.0.• Responsible for all datacenter operations making sure all hardware is up and running.• Implemented Cacti monitoring server to actively monitor power usage on all PDUs• Managed and completed EMC Networker 8.0 backup upgrade to ensure VMs are backed up regularly• Setup and managed Riverbed Whitewater appliances to send backups and files to Amazon S3 • Built out completely new QA and integration environments to mirror stage and production environments.• Actively kept documentation of all server hardware/firmware inventory

Mountain View, California, Us

• Managed 24x7 VMware ESX and Windows Servers Active Directory infrastructure.• Built out new VM infrastructure using best practices running vSphere and ESX 4.X in preproduction and production environments.• Migrated and upgraded entire Windows 2000 Active Directory Server infrastructure to Windows 2008 Server• Created and maintained baseline VM templates for multiple Windows and Linux OSs.• Implemented Vkernel Server to provide management with weekly reports on VMware infrastructure utilization and capacity management forecasting for future server purchases.• Develop, test and maintain VM Disaster Recovery and High Availability plans• Converted over 90% of physical servers to VM reducing energy cost, and rack space providing easier server administration, and rapid server deployments.• Implemented new WSUS server making sure Windows systems are patched on a monthly basis.• Installed and configured HP SIM server to actively monitor all HP servers.• Made sure all Windows systems are PCI compliant by issuing fixes and remediation for any found PCI vulnerabilities. • Implemented and managed Tripwire Enterprise server for checking file integrity on all PCI inscope systems.• Deployed and maintained Splunk syslog server to provide an easy searchable index for logs on all servers. • Took responsibility to procure all software and hardware for the team and worked with various vendors to get competitive prices reducing overall costs for the business unit.• Provided training and support for team members and other departments on how to use our virtual infrastructure.• Managed VPN accounts and VPN client setups on a Cisco ASA VPN appliance for all users in business unit.• Setup and managed Windows DNS servers and all DNS requests for business unit.• Involved in and managed many datacenter cleanups, consolidation, and inventory projects.• Built out new inventory Quickbase to keep track of all servers and assets.

Tempe, Arizona, Us

• 24 x 7 onsite, telephone, and remote desktop/technical support for Windows 2000, XP, and Vista users for over 150 employees.• Created new process for building out new desktop systems using Norton Ghost and Symantec RapiDeploy and kept on top of new employee system deployments.• Created customized system images for different departments and needs.• Managed over 100 Windows Servers, making sure systems are patched on a monthly basis using WSUS and highly available.• Implemented Windows streaming server for both Homestead sites to provide real time streaming video for weekly company meetings.• Built out Homestead’s second site in Englewood, CO and provisioned over 80 desktop systems and performed setup up of Windows servers and Cisco networking equipment.• Trained and mentored newly hired systems administrators in Englewood site. • Provided expert recommendations on hardware and system purchases.• Managed Symantec and Trend Micro A/V servers, deploying clients and making all workstations are protected from threats.• PBX administration and Cisco VOIP phones - maintaining and setup employee phone extensions.

• Provided on-site, telephone, and remote technical support/troubleshooting for Windows 98/2000/XP users. • Ensured successful nightly back-ups of data using Veritas Backup Exec and PeerSync. • Created, tested, and deployed several PC and Server Images.• Designed and implemented the entire network for the organization connecting nine Bay Area Locations in a WAN through a VPN from the ground up.• Created e-mail addresses for each employee through Microsoft Mail and Bizland Hosting Services.• Performed System/Network Administration duties such as management of Active Directory, software updates, hard disk recovery, full system reinstalls, and various hardware component upgrades.• Provided network/system consulting and employee training sessions.• Wrote several step by step technical documents and company policies.• Performed telephone and voicemail administrator duties such as setting up voicemail for new staff members and managed phone system for over 50 employees.