Fann Wu

Experience

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  ITRI

  Apr 2010 - Sept 2011

  MIS

  • Experience with Container Modularized Data Center Management• Experience with Data Center Networking & Server Management• Experience with Data Backup & Restore Plan• Experience with NetApp storage management

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  Trend Micro

  Jan 2012 - Aug 2015

  Sr. engineer

  • Experience with Hadoop & HBase • Experience with Splunk cluster and Splunk app(Hadoop Connect , HadoopOps , Hunk)• Experience with Nagios • Experience with Ganglia • Experienced with Unix environment management.• Experienced with LDAP• Experienced with Puppet• Experience with virtualization, virutal box , xenserver , vagrant• Experience with AWS• Lab Management( CI , SCM , XenServer Cluster , KM)• Trend Micro Feedback Service Management

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  Nogle Limited

  Sept 2015 - Oct 2016

  Sr. Big data engineer

  • Implement Big Data Infra(Hadoop , Spark , Zeppelin,Kafka, Mesos)• Implement Monitor System(Nagios, php4nagios,Nagvis)• Implement Metrics System(Graphite,Statsd,Collectd,Grafana)• Implement Log collection System(Elasticsearch, Logstash, Kibana)• Implement Cassandra cluster for RD to store No SQL data• Implement Docker Swarm, run Jenkins on Swarm.• Implement Redis cluster for RD to store Key-Value data• Study Kubernetes

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  Redcypress

  Apr 2017 - May 2019

  Sr. Monitor Engineer

  • Build up Cross Datacenter Graphite(HAproxy, Keepalived,statsrelay, Telegraf, Riemann, Kafka, Graphite, Memcached, Percona Xtradb cluster), accept 1M/min metrics, deploy using Ansible.• Maintenance ELK Stack, watcher, security.• implement Thruk for monitor Nagios on different DCs in one web.• Integrate High severity incident with ELK, Pagerduty, and Statushub.• Collect CDN, Network, DB, Windows, Linux , Application metrics• Automation install & config monitor agents(updog, collectd, nrpe, winlogbeat, SCOM Agent) using Ansible• Build Grafana metrics dashboard for stakeholder• Help to improve Elasticsearch metrics collector to support Elasticsearch 5.x,6.x, support Elasticsearch security feature and improve Grafana dashboard can show multiple Elasticsearch cluster. https://github.com/trevorndodds/elasticsearch-metrics• Hold Powershell beginner study group and attend Elasticsearch study group.• Attend Taiwan kubernetes summit, AWS Summit in Taipei, AWS Certified Solutions Architect -associate course. https://summit.ithome.com.tw/kubernetes/https://aws.amazon.com/tw/summits/taipei/ Show less

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  SchimaTech Ltd.

  May 2019 - Feb 2021

  Senior InfraDev Engineer

  • InfluxDB HA• Grafana HA• Ansible Playbook to deploy Nagios config• Enhance decommission procedure ( auto decommission monitor when server owner decom the server)• DR site monitor infrastructure• statsd.net component re-write to use Nginx + uWSGI + Flask• Migrate Monitor architecture to AWS（EC2,S3,EKS,Kubeapps,Chartmuseum,ELB,HELM,Istio,ECR,Codecommit)• Build internal testing LAB Training:• Attend K8S from beginner to actual combathttps://www.tibame.com/offline/k8s• Attend usenix SRECON ASIA PACIFIC 19 in Singaporehttps://www.usenix.org/conference/srecon19asiaCommunity contribute• Kubespray project contribute - Heketi and Gluster issue https://github.com/kubernetes-sigs/kubespray/issues/5737• Kubespray project contribute - K8S HA document contributehttps://github.com/kubernetes-sigs/kubespray/issues/5663Side-Project:• Air Pollution Master on google assistanthttps://assistant.google.com/services/a/uid/000000c3c120fdde Show less

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  NextDrive

  Feb 2021 - Jun 2023

  •Manage 2 SRE members and 1 DBA•Build Influxdb for push-base metrics system•Introduce AWS Karpenter as EKS new cluster auto-scale feature•AWS cost-saving use Reserve Instance, Spot Instance and ARM instance for EKS node, it save 40%~60% AWS cost.•Introduce Checkov to scan Terraform security•Introduce Starboard to scan EKS image vulnerability•Introduce Thanos to store long-term metrics on AWS S3•Build Postgresql Read-Write separation artechitecture•Ensure multiple environment qualityRoadmap decision and finish by members•Integrate Jenkins with SonarQube for Code Quality and Code Security•Integrate Terraform with Gitlab and Atlantis for AWS Infra change and has approved system•Introduce Hashicorp Vault for store sensitive information and use by EKS pods•Introduce Cassandra for storing IOT electricity meter data•Introduce data-hotfix flow to fix DB data•Introduce Flyway to version control DB schema•Introduce AWS MSK as a Queue system•Introduce KEDA to auto-scale EKS pod by MSK message•Introduce OpenTelemetry as a tracing system to trace service performance•Integrate AWS SSO with Google workspace as single portal to access multi AWS environment•Integrate Jira with Jenkins, use Jira ticket to auto trigger Jenkins to deploy service Show less

  • SRE Manager

    Sept 2021 - Jun 2023

  • Sr. SRE Engineer

    Feb 2021 - Sept 2021
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  Circle

  Mar 2023 - now

  Senior Site Reliability Engineer