User:Bkvaluemeal

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Justin Willis

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About

Justin Willis is a computer scientist who goes by the pseudonym "bkvaluemeal". His experience lies predominantly as a Site Reliability Engineer (SRE) for cybersecurity companies, but is able to do a little bit of everything and learn quickly.


Work experience

Cyware — Senior Site Reliability Engineer
January 2024 - Present


  • Rearchitected company's infrastructure from "ClickOps" single tenant EC2 fleet to IaC/GitOps EKS in 3 weeks to support new client acquisition
  • Supported AWS GovCloud service offering with FIPS compliant container image build pipeline
  • Coordinated inter-team communications to facilitate deployment of production workloads


QOMPLX — Site Reliability / Observability Engineer / Team Lead
March 2022 - August 2023


  • Received award for rapid development and deployment of centralized observability that measurably reduced our production incident count
  • Created worldwide network for collecting real-time CPE telemetry which became the basis for all client troubleshooting
  • Refactored infrastructure to achieve 5-figure cost savings per month
  • Self-taught Scala to extend Kubernetes Kinesis Data Analytics operator for automatic down-scaling achieving 4-figure cost savings per month
  • Implemented engineer on-call schedules and procedures from scratch
  • Leveraged Prometheus metrics for Kubernetes workload auto-scaling
  • Automated monthly curation of customer data ingress statistics for unit pricing eliminating multiple days of manual work
  • Maintained and managed Kafka, Elastic Search, Kubernetes (EKS) clusters
  • Created and instrumented Kafka migration procedure for zero-downtime


Expel — Software Engineer
January 2020 - December 2021


  • Developed asynchronous middleware integrating tasking infrastructure with client security devices for over 180 customers and B2B relationships
  • Instrumented supporting technology for numerous vendor partnerships allowing mutual business expansion in 5 weeks average
  • Designed and deployed in-house security lab allowing team to evaluate security technologies and detect any security threat
  • Demonstrated zero-config customer enrollment in under 30 minutes
  • Orchestrated new product roll-outs across all departments


Expel — Site Reliability Engineer
June 2017 - January 2020


  • Migrated self-hosted backend to managed Kubernetes (GKE) and Elastic Cloud while guaranteeing 99.99% uptime
  • Orchestrated redundant architecture for zero-downtime deployments
  • Designed and deployed collaborative data science lab for security analysts enabling 3 new product offerings
  • Instrumented automatic security updates reducing time by several weeks
  • Redesigned software deployment pipeline allowing 5 minute releases
  • Defined engineer onboarding process to completely empower new hires in 1 day and onboarded nearly entire engineering department
  • Used Ansible and Terraform to authoritatively define state of 100+ VMs
  • Participated in weekly on-call rotation to respond to production incidents
  • Daily practice instrumenting CentOS Linux, Docker, and Kubernetes