SRE team lead for global multi-DC/Cloud security services

Staff SRE working with a deep biotech stack featuring DNA sequencing related online instruments, autoscaling CompBio HPC, cloud native analysis services, and more.

Senior SRE, working with a rich ecosystem of microservices in multiple datacenters and cloud environments!- Migrations - Datacenter to GCP Cloud, Docker to Kubernetes to GKE, Service Mesh - NGINX and Linkerd to Envoy- Production Readiness - automating generation of service Observability dashboards, alerts, runbooks, and launch plans- Design and production readiness reviews for Kubernetes Microservices, GCP Cloud native services, and tools(PHP Monolith decomposition, new development is in Scala, Typescript, and Java, Go and Python)- Risk Management - Service and platform assessments, production change and launch plan review and planning- Incident Management TDO - cross-team full stack troubleshooting and fault isolation

My key responsibilities are systems integration and architecture, planning and executing complex infrastructure changes, platform upgrades and migrations, performance improvements, root cause analysis of production problems, training and mentoring other team members.Key accomplishments and projects:- Created and maintain data flow diagrams for all services- Colo to AWS live migration using AMI/Cloudformation/Ansible- Colo to Colo live migration, I wrote automated system validation scripts for all tiers- MySQL stock 5.0 to Percona 5.1 upgrade for major performance improvements- Lead for Puppet to CFEngine3 migration - architected a CFE framework now open sourced as ncf- Ubuntu on HP DL series to Centos on Dell C series migration, including a major PHP upgrade- Team lead for high volume memcached tiers - planned and executed numerous projects to improve memcached performance and reliability, including moves between colos and to cloud, version upgrades, system tunings, resharding, etc., all leveraging double write warmup strategies for minimal customer impact.- Team lead for Apache, nGINX, system tunings (kernel, network, disk), RabbitMQ, Memcache, MySQL, logging, load balancers, XMPP, and several proprietary services written in Java and PHP- Establish standards, procedures, and best practices, and train and mentor other team members

Ops team lead for a colo to colo move project from ~650 servers in over 140 unique application tiers to ~350 new servers, requiring major OS and software upgrades from older RHEL to newer Centos. My contributions to this ~20 person project pulled the schedule in by over 3 weeks, allowing us to hit a hard deadline.Upgraded and refactored ~50 micro service tiers to optimize resource usePerformed low impact live POCs of one server per tierPerformed full tier by tier cutovers

Throughout my career at CNET Inc. I helped define the emerging role of Operations Engineering, working on all major properties: CNET.com, Computers.com, News.com, Builder.com, Download.com, Webshots.comKey accomplishments and projects:- Created and maintained data flow diagrams for all properties- Specced and developed SVN standards, configuration management system, and web based software build, deployment, and hardware provisioning systems- Converted all codebases to use source control, build pipeline, and config management- Developed automated software deployment processes for several properties geared towards high speed, low impact deployments- Acquisition integrator - migrated codebases of all acquired companies to our SVN build deploy and config management- Team lead for performance improvement for SOLR, Sybase, MySQL, Apache, Squid, StoryServer, Java, Weblogic, Resin, etc.- Successfully completed 8 major colo facility moves- Developed and launched a high performance video streaming service and the backing fault tolerant multi colo mass storage system - Ops lead for RFP development and response evaluation, vendor evaluations, and technical assessment of potential acquisitions- Lead for new service launches, OS / software upgrade projects including Y2K and DST, Solaris to Linux migration, TCL to Java, etc.