Image of Tin Le

Tin Le

Sr. QA Engineer

Principal Site Reliability Engineer at Palo Alto Networks

Sunnyvale, California

Section title

Tin Le's Work Experience

Fabric7 Systems

Sr. QA Engineer

2004 to 2005


Lead QA Engineer (consultant)

May 1994 to December 1995

Mountain View

AIM Technology

Senior Benchmark Engineer

May 1989 to June 1990

Santa Clara, CA

Tin Le's Education



1982 to 1984

University of Utah

BSCS, Computer Engineering, Math, Statistics

1984 to 1986

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Tin Le's Estimated Salary Range

About Tin Le's Current Company

Fabric7 Systems

Frequently Asked Questions about Tin Le

What company does Tin Le work for?

Tin Le works for Fabric7 Systems

What is Tin Le's role at Fabric7 Systems?

Tin Le is Sr. QA Engineer

What is Tin Le's personal email address?

Tin Le's personal email address is t****[email protected]

What is Tin Le's business email address?

Tin Le's business email addresses are t*****, and t*****

What is Tin Le's Phone Number?

Tin Le's phone (213) ***-*383

What industry does Tin Le work in?

Tin Le works in the Computer & Network Security industry.

About Tin Le

πŸ“– Summary

Sr. QA Engineer @ Fabric7 Systems From 2004 to 2005 (1 year) Lead QA Engineer (consultant) @ SGI _____ILLEGAL_CHAR_SSSTART149ILLEGAL_CHAR_EEEND_____ Designed regression test system for ASD (Advanced Systems Division). Lead QA engineer for XFS, an advanced journaling filesystem designed for the real-time video services and high-end transaction-processing marketplace. Project lead for testing IRIX in the alpha and beta test phase of XFS on IRIX 5.3 and 6.x.x (64-bit version of IRIX). From May 1994 to December 1995 (1 year 8 months) Mountain ViewSenior Benchmark Engineer @ AIM Technology Managed AIM's performance laboratory. Drove project to revamped AIM's industry standard benchmarks: Suite 2 and Suite 3. Authored version 2.0 of Suite 2, Suite 3 and created the new AIM Performance Ratings version 2.0. Run, collected and produced benchmark analysis for AIM's customers. From May 1989 to June 1990 (1 year 2 months) Santa Clara, CAProduct Engineer @ GTE Supply From 1986 to 1987 (1 year) Salt Lake City, UtahPrincipal DevOps Engineer @ Livongo Designed, architect and implement system automation, increased network and security expertise, enhanced application service layer. Added DevOps capabilities to small Operations team.* Started migration from legacy RHEL6 instances to Ubuntu 16.04 LTS* Re-factored Livongo AWS legacy infrastructure, and start migration to new infrastructure.* Put in place Operations best practices.* Implemented Ansible as a system automation tool* Implemented new monitoring system (from Nagios to Sensu), reducing false alerts, enhancing response time and scaling to better monitor larger infrastructure.* Implemented Terraform, Packer, Terragrunt* Fixing tech-debts, legacy infrastructure.* Promote Best Practices in DevOps.* Revamp CI/CD (Jenkins) infrastructure.* Implemented Docker as part of CI/CD. From May 2017 to July 2018 (1 year 3 months) Mountain View, CASenior Site Reliabity Engineer @ LinkedIn Vector - all media and associated infrastructure.. Rich media infrastructure - including images, videos, presentations (ppt, slides, word, xls).. Serving - outbound medias.. Uploads - inbound medias, including transformation, transcoding. From March 2017 to April 2017 (2 months) Sunnyvale, CASenior Site Reliability Engineer @ LinkedIn ELK SRE - ELK architect @ LinkedIn. Architect how ELK is configured, deployed and use at LinkedIn.. Create documentation, training materials and conduct seminars, classes on ELK for internal users.. Provide internal consultations and supports. Lead internal ELK Virtual Team.. Participates in internal and external ELK users groups.. Runs Mountain View Elasticsearch Meetups group. From March 2015 to April 2017 (2 years 2 months) Moutain View, CASite Reliability Engineer @ LinkedIn Member of Mobile SRE team. Currently (Q4 2014) 47% of LinkedIn site traffic is via mobile.. Maintain the mobile infrastructure (front and back ends) providing services to LinkedIn's mobile apps on IOS, Androids, Windows Phones, Blackberry and mobile web browsers.. Championing using ELK (Elasticsearch, Logstash, Kibana) to visualize our logs.. Established ELK Virtual Team From October 2013 to March 2015 (1 year 6 months) Mountain View, CASenior IT/Operations Engineer @ SoundHound Designed, architect and implement system automation, increased network expertise, enhanced application service layer. Added DevOps capabilities to small Operations team.. Championed migration from manual system bring up to fully automated configuration management (Puppet or Chef, etc. ANY CM as long as we use one).. Migrate/consolidated two data centers into one.. Migrated from single broadcast network in data center to multiple VLANs, with core aggregation router (high level diagram: Fixed issues with constantly crashing Apache static assets layer by adding Varnish caching front end.. Migrating from MySQL to MariaDB. Also tuned and increased MySQL performance at least 4x while migrating.. Architecting MongoDB infrastructure for new applications.. Fixed, resolved various infrastructure issues.. Lead efforts to move some services to the Cloud. Set up CloudFront CDN for some static assets. From September 2012 to 2013 (1 year) Santa ClaraSr. Systems Engineer @ MashLogic Inc Managed, designed and enhanced/implemented infrastructure in AWS. Increased operational capabilities.. Added varnish caching behind nginx. Helped increased scaleability and performance of web servers.. Upgraded single PostgreSQL 8.x server (32 bit Linux) to 9.x master/slave replication pair (64 bit Linux arch).. Added HAProxy for load balancing of backend services.. Added additional Nagios monitoring servers (EC2 West and East, plus 3rd server outside of EC2) and monitoring of all services. Wrote numerous scripts to monitor our services. Improved monitoring/alerting capabilities.. Resolved problem w/nginx crashing under load.. Setup production, staging, qa infrastructure on Heroku (migrated from Rails2 to Rails3 also).. Migrated from webrick to thin, then to unicorn for Rails app server (after extensive testings).. Setup cold standby AWS instances that mirrored our Heroku setup (Rails3, Ruby1.9, MongoDB) for emergency. From November 2010 to September 2012 (1 year 11 months) Palo AltoSr System Administrator @ Netflix Senior member of NOC team* Monitor and respond to all events affecting Netflix internal and external users.* Provided 24/7 on-at-all-time service, 365 days/year.* Lead bi-weekly code pushes to production web services.* Lead bi-weekly Data Center failover, including Oracle database failover.* Enhanced, fix monitoring infrastructure via adding scripts, fixing scripts, etc.* Documented, updated NOC documentation.* Participated in migration to Cloud initiative. From April 2010 to November 2010 (8 months) Los Gatos, CaliforniaSenior Operations Engineer @ Medallia, Inc. Manage Medallia's network, server and application infrastructure.Architect, build, maintain and enhance operational capabilities. * Automation - scriptings day-to-day tasks (python, perl, shell, ruby) * Monitoring - Nagios, Centreon, various scripts, plugins. Took ownership of monitoring/alert system. Enhanced capabilities with additional monitoring scripts and tools. Brought reliability of monitoring to 100%. * Upgrading backend database - Postgresql v8.2.x to v8.4.x * Replacing proxool jdbc pooling with PGPool * Migrating to 2nd data center with more room (7x15' cage instead of 3 cabinets). * Centralized corp directory with OpenLDAP, put together SSO. Nudging engineering toward leveraging LDAP instead of multiple DBs ) * Working on installing Puppet as a system/configuration management tool. From January 2009 to April 2010 (1 year 4 months) Senior Linux Administrator (Consultant) @ Skiff, LLC Designed, installed, bringup servers and VPN networks between multiple sites in -- CA, NY, Germany, etc.Architected and implemented the infrastructure for internal users and external customer facing site.* Development and QA network (Subversion repos, backups, sync between multiple sites - CA/NY and Asia). Internal and external sources such as partners.* Corp servers, network, security (routers, firewalls), wired and wireless.* Virtual environment for dev/QA (Xen based, PXEboot, etc.)Lots of traveling between sites. From June 2008 to December 2008 (7 months) Member Technical Staff @ VUDU Inc. β€’ Founding member of the Ops team, transitioned from SW Tools Dev to Ops.β€’ Grew single data room at HQ to multiple Data Centers. From T3 ([email protected]) to multiple redundant GigE, our own ASN, IP netblock and interconnects with multiple network providers.β€’ Configured and managed enterprise monitoring tools – Nagios, hobbit, MRTG, Smokepings and SMS alerts that goes to hotphone.β€’ Migrated Nagios to Big Brother (multisites)β€’ Setup CFEngine to manage distributed servers.β€’ Participated in 24/7 rotation (3 members team) carrying hotphone. I get called for all escalated major issues.β€’ Served as acting IT manager for four months until we hired one. During this time, managed Corporate LAN, WAN, Win 2K3 servers, VOIP and VPN. From October 2006 to June 2008 (1 year 9 months) CTO @ Anh2 Inc * Architect, design, guide company technical direction.* Manage teams of web developers, web admins, system/network admins. From October 2005 to October 2006 (1 year 1 month) Owner @ TL Consulting Provide Systems and Network consulting services.* Linux, Solaris, *BSD administration.* Security consulting - audits, hardening, analysis of servers, network.* Network configuration - Cisco routers, PIX firewalls, T1, Frame Relay. Architecture design/review.* Enterprise email design, administration - Exchange, Postfix, Sendmail. Spam and Virus filtering. From May 2003 to October 2006 (3 years 6 months) Senior QA Engineer @ 2Wire QA new product, MediaPortal (aka AT&T HomeZone), a DVR with 2 HD sat tuners, 2 HD ATSC tuners, IPTV, MPEG2, MPEG4, MP3, JPEG photos. It can access Yahoo accounts (photos).My focus is on system testings. Performance (embedded linux), user response time, interaction with backend J2EE server.Helped with functional testings, movies PPV, DVR functionalities. From June 2005 to November 2005 (6 months) Sr Engineer V @ Cisco Systems * Lead research into wireless ecommerce for ECommerce IT group.* Worked cross-functionally with other teams in Cisco to launched several Proof-of-concept projects.* Contributed to numerous on-going ecommerce and infrastructure projects.* Submitted numerous patent applications, with patents pending.Patents: #7272390, #7716576 From February 2000 to October 2002 (2 years 9 months) San Jose, CAStaff Engineer @ Sun * Provided performance guidance to software engineers working on Solaris 2.6. Ensured that Solaris 2.6 provide high performance for running web servers on.* Created technical white papers and performance tuning guidelines for running web servers on Solaris.* Served as Sun's representatives on SPEC. Contributed to SPECWeb96 benchmark. From March 1996 to March 1997 (1 year 1 month) Menlo ParkSr Software Engineer @ Sony * Develop GUI based diagnostic sw (C++/assembly) for Sony workstations and laptops that can run either UNIX or Microsoft Windows.* Created an automated test harness for Sony UNIX OS (based on AT&T SVR4). Known as STS (Sony Test Suite), used by MIPS Consortium as part of MIPS ABI compliance test suite.* Lead testing of OS and applications on Sony workstations and servers. From July 1990 to June 1993 (3 years) San JoseApplication Engineer @ Daisy Systems * Technical support for DNIX, SunOS and Solaris on Daisy workstations.* Technical support for Daisy ECAD software.* Write technical bulletins and tools to solve customers' problems.* Authored several software utils to fix DNIX problems. From April 1988 to May 1989 (1 year 2 months) Mountain View, CAPrincipal Site Reliability Engineer @ Palo Alto Networks Member of CORE SRE team. We provide architectural consultation, champion automation, best practices and conduct webinars training. Santa Clara, California, United StatesSenior Site Reliability Engineer @ Palo Alto Networks Member of PANDB and AutoFocus teams. Lead POC migration from Datacenter to cloud. Leveraged Terraform and Ansible to create infrastructure as code. Provided assistance to other teams with regard to: Elasticsearch, cloud (AWS/GCP), Terraform, Vault, Consul.Automated, documented and enhanced monitoring and alerting for PANDB and AutoFocus. Converted legacy Nagios/Sensu monitoring to Prometheus, Grafana for respective teams.* Stabilized legacy infrastructure.* Automate what can be automated* Focused on areas that can be fix under resource constraints.* Assisted teams with my ELK expertise.* Migrated K8s cluster from datacenter to GKE. From July 2018 to November 2020 (2 years 5 months) Santa Clara, CA

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In a nutshell

Tin Le's Personality Type

Introversion (I), Intuition (N), Thinking (T), Judging (J)

Average Tenure

1 year(s), 5 month(s)

Tin Le's Willingness to Change Jobs



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