Glenn P.

About Me

Glenn is a talented professional with expertise combining development and operations stacks. His specialties include DevOps, product support, on-call, and systems reliability roles. His work has helped large companies such as IBM improve their systems, automate architecture, and significantly reduce costs. Glenn loves technology and considers himself a generalist. His passion lies in driving efficiencies that allow changes to roll from conception to customer use as quickly as possible.

AI, ML & LLM

Ruby on Rails (RoR)

Backend

DevOps

AWS HA AWS IAM Amazon EBS Amazon S3 (AWS S3) Amazon Web Services (AWS) Docker Jenkins Kubernetes

Other

Work history

Absolute Integrity, LLC.
Freelance
2019 - Present (6 years)
Remote
  • Introduced autoscaling in Kubernetes using Horizontal Pod Autoscaler with custom metrics.

  • Built infrastructure and CI pipelines for several startups using AWS ECS, AWS Fargate, AWS Cognito, AWS Beanstalk, and AWS Code Deploy.

  • Assisted with setting up observability/metrics and an error notification framework for a number of startups using AWS CloudWatch logs and metrics, Sentry, and Slack Integrations.

  • Developed a passwordless authentication and permissioning service using the Django Rest framework, Django Permissions, Django-guardian, AWS Cognito, and AWS Lambda.

Amazon Web Services (AWS) DjangoAmazon Cognito ServerlessTerraform
ClearCare
Manager of Systems Reliability and DevOps
2017 - 2020 (3 years)
Remote
  • Ran the agile project planning and prioritization, and reported to leadership for a team of five.

  • Managed vendor relationships (AWS, New Relic, Datadog).

  • Supported infrastructure for an application with over 2000 B2B customers seeing more than 100,000 requests per minute.

  • Introduced 'infrastructure as code' and migrated all infrastructure to be managed by Terraform.

  • Took the company from seeing weekly service interruptions to 99.98% uptime.

  • Migrated the Django web-stack to run on Docker under AWS ECS.

  • Reduced infrastructure costs from $100,000/month to $50,000/month by incorporating AWS Spot instances, autoscaling, and right-sizing a number of over-provisioned instances.

  • Introduced HIPAA security standards and worked with external auditors to achieve HIPAA's HITRUST certification.

Amazon Web Services (AWS) DockerAmazon Elastic Container Service (Amazon ECS) JenkinsTerraform
Interactive Intelligence
DevOps Team Lead
2014 - 2017 (3 years)
Remote
  • Led the infrastructure automation and CI side of the engineering department.

  • Supported the build-out of a greenfield project to migrate the existing primary revenue product (requiring on-site installation) to a SaaS-based platform.

  • Oversaw the agile project planning, prioritization, and work assignment for a team of three.

Amazon Web Services (AWS) JenkinsAnsiblePuppetAWS CloudFormation
iContact
Software Engineer - Systems Engineering
2011 - 2014 (3 years)
Remote
  • Built out infrastructure management automation using Puppet.

  • Developed a CI workflow that moved the company from quarterly, all-hands, overnight deployments to weekly push-button deployments.

  • Wrote a Jira plugin that allowed developers to push a button in a Jira ticket to build out an environment and deploy code branches associated with the ticket. These environments were used for QA and would spin down when the Jira ticket was closed.

PuppetKVMJenkinsRuby on Rails (RoR) Ruby
IBM
Java Application Engineer
2009 - 2011 (2 years)
Remote
  • Developed web-based tooling for internal support teams.

  • Assisted with the outbuilding and maintenance of data center hardware.

  • Led the migration of the team development environment from Windows to Linux.

JavaRuby on Rails (RoR) Ruby

Showcase

Passwordless Authentication
  • Implemented a passwordless authentication framework for a healthcare startup.

  • Utilized AWS Cognito, Lambda functions, Django Rest Framework, Django Permissions, and Django-Guardian.

  • Designed a solution that allows users to log in with phone numbers and receive temporary tokens via SMS for enhanced security and reduced 'forgot password' requests.

Autoscaling Kubernetes Pods
  • Developed a custom metrics pipeline using Prometheus and Horizontal Pod Autoscaler.

  • Implemented autoscaling to automatically scale application resources based on request counts, particularly during sign-up spikes.

  • Designed the pipeline to minimize infrastructure costs while maintaining application responsiveness.

Education

Education
Bachelor's Degree in Computer Science
North Carolina State University
2000 - 2008 (8 years)