DANE BUTLER
Senior Site Reliability Engineer
Boulder,CO
Summary
Highly motivated SRE with 10 years experience in automation, scripting, networking, cloud computing, Kubernetes, monitoring, alerting, and CI/CD in a variety of environments from smaller startups to larger scale enterprises.
Overview
12
12
years of professional experience
5
5
years of post-secondary education
3
3
Languages
Work History
Sr. Site Reliability Engineer
VMWare Carbon Black
Boulder, CO
03.2018 - Current
- Management and maintenance of 16 Kubernetes clusters spanning multiple AWS accounts and regions Designed self-service deployment pipeline for developers using GitLab CI/CD,
- Elmfile, Docker, Terraform, and bash scripting Implemented use of OPA and Gatekeeper to control what end-users can do on the
- Ubernetes clusters and ensure that clusters are in compliance with company policies Assisted teams in application scaling using HPA and Fairwinds Goldilocks VPA to ensure a seamless customer experience at high-demand times and cost efficiency at all times Setup federation in AWS using Okta as an identity provider to centrally manage user accounts and Kubernetes namespace level user access Leveraged AWS IAM to provide Kubernetes namespace level isolation as well as boundary based AWS resource creation empowering teams to manage their own infrastructure while adhering to least possible access best practices Developed Helm charts to install and manage Kubernetes cluster services such as fluentd, kube-proxy, and CoreDNS Automated EKS upgrade process Codified AWS, PagerDuty, GitLab, Wavefront, and SignalFx infrastructure using
- Erraform Participate in on-call schedule
Sr. Site Reliability Engineer
ZOLL Data Systems
Broomfield, CO
10.2016 - 03.2018
- Led software teams in an effort to migrate from TFVC to Git and adopt a branching workflow (GitFlow) which allowed the organization to move away from a strategy of a monthly code freeze and creating a release branch and closer to CD by keeping a branch (master) release ready at all times Coded AWS infrastructure using Terraform Defined AWS tagging standards and guidelines and setup AWS Config to report on the defined standards Automated start/stop procedures for cost savings and auto-deletion of resources not tagged according to company standards for EC2 resources using Python Boto3,
- Ambda, and CloudWatch Implemented use of Chef for software provisioning and configuration management (Redis, RabbitMQ, Cassandra, CouchBase, Windows Services, .NET IIS sites and apps, ELK) Implemented use of Consul for service discovery and registration Designed an immutable deployment pipeline for blue/green deployments in AWS using AWS, Git, TeamCity, Packer, Chef, and Terraform Participated in on-call schedule
Lead DevOps Engineer
ElectSolve Technology Solutions & Services Remote Employee
12.2014 - 08.2016
- Deployed, configured, and maintained over 100 production server instances of .NET and PHP based applications in a mixed OS environment that were a combination of self-hosted and off-prem Implemented use of Chef for machine provisioning, software provisioning, configuration management, desired state configuration and infrastructure as code Migrated version control platform from Mercurial to Git and continuous integration platform from CruiseControl to Jenkins in order to achieve better version control work flows and more consistency within the CI/CD pipeline Created new application and database versioning and deployment processes that reduced deployment times by 90% Managed and automated maintenance tasks of software escrow accounts with Iron
Jr DBA
Imagine Communications
Denver, CO
01.2014 - 12.2014
- Administered 40 production SQL Server instances that required 99.999% uptime Installation and maintenance of SQL Server, SSAS, and SSIS platforms Planned and implemented DR strategy for data services layer Automated deployment of flagship business intelligence product which was previously taking 30 hours on average to complete using shell scripting
Database Developer
ElectSolve Technology Solutions & Services
Shreveport, LA
11.2011 - 01.2014
- Analysis and performance tuning of multi-terabyte database systems Developed PowerShell scripts to automate numerous database related tasks; including standard installation of SQL Server, database deployments, automated setup of local testing environments for developers, and analysis of production server performance Revamped all phases of regularly performed database maintenance; including backups, index maintenance, and database performance monitoring Consulted with customers to develop user-friendly reports designed to help them better understand their operational data Architected new software product and led team developing the application on MongoDB
Programmer
Bowman Systems
Shreveport, LA
04.2010 - 11.2011
- Performed requirements analysis, design, development, and maintenance for customizations to base product written in Java with a PostgreSQL backend Generated business reports using SAP BusinessObjects WebIntelligence software that were presented to both state and federal government agencies Scripted database maintenance and migration tasks using T-SQL, MySQL, and PL/pgSQL
Education
Bachelor of Science - Computer Science, Business Administration
Louisiana Tech University
Ruston, LA 08.2005 - 05.2010
Skills
Kubernetes
AWS
CI/CD
Helm
Terraform
Crossplane
Timeline
Sr. Site Reliability Engineer
VMWare Carbon Black
03.2018 - Current
Sr. Site Reliability Engineer
ZOLL Data Systems
10.2016 - 03.2018
Lead DevOps Engineer
ElectSolve Technology Solutions & Services Remote Employee
12.2014 - 08.2016
Jr DBA
Imagine Communications
01.2014 - 12.2014
Database Developer
ElectSolve Technology Solutions & Services
11.2011 - 01.2014
Programmer
Bowman Systems
04.2010 - 11.2011
Bachelor of Science - Computer Science, Business Administration
Louisiana Tech University
08.2005 - 05.2010