John Knepper
About
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Creator
Texas, United States
Résumé
Jobs
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Lead DevOps EngineerSimpleRoseMay 2022 - Jul 2025 (3 years 3 months)• Maintained automation code using Ansible to configure servers across both datacenter and AWS environments
• Managed Terraform (IaC) codebase for provisioning VPCs and Account Factory for Terraform (AFT) in AWS
• Developed CI/CD pipelines using GitHub Actions for multiple repositories across the GitHub organization
• Automated deployment of Grafana via Helm and Jenkins to deliver telemetry solutions
• Introduced and evangelized NinjaOne for device management and organizational control
• Automated EKS container deployments with monitoring via IaC, CI/CD pipelines, and Grafana
• Stood up Kubernetes clusters in the datacenter using k0s and k0sctl
• Implemented Mondoo and cnspec to enable policy-as-code and s- Principal DevOps Engineer with Raptor ProjectNorthrop GrummanAug 2021 - May 2022 (10 months)Year-long contract supporting satellite systems. Offered security clearance sponsorship and a full-time role, but chose to join SimpleRose to avoid relocation.
• Developed and maintained Ansible pipelines in low-side environments to test and automate satellite system deployment prior to delivery to high-side
• Maintained Jenkins pipelines using Jenkinsfiles (Groovy pipeline-as-code) to support CI/CD workflows in secure environments
• Implemented Docker to support containerized development and deployment workflows
• Worked in a mixed RHEL and Windows Server environment - Senior DevOps EngineerRateGeniusMay 2021 - Jul 2021 (3 months)Three-month contract. Offered full-time conversion but left to join Northrop Grumman instead.
• Automated CI/CD pipelines using Google Kubernetes Engine (GKE) in Google Cloud Platform (GCP)
• Implemented ArgoCD for GitOps-based deployment workflows
• Used Docker, Terraform, Kustomize, and Helm to manage infrastructure and application deployment - Lead DevOps EngineerProminent EdgeNov 2017 - Apr 2021 (3 years 6 months)Lead DevOps Engineer
Worked across both public and private sector projects.
Public sector clients included:
• National Geospatial-Intelligence Agency (NGA)
• Department of Defense’s Defense Digital Services (DDS)
• United States Navy
• United States Air Force
Key Responsibilities & Achievements:
• Automated CI/CD pipelines using Jenkins, Kubernetes (kops), Helm, Ark, HashiCorp Vault, Docker, Nginx, Ansible, and multiple cloud services (AWS, GCP, Azure, OCI)
• Implemented and maintained infrastructure tools including Active Directory, Grafana, Ansible AWX (Tower), JumpCloud, OpenVPN, CloudHealth (cost optimization), and ElasticSearch (ELK)
• Led DevOps efforts across growing - Senior DevOps EngineerDemandbaseDec 2015 - Nov 2017 (2 years)Senior DevOps Engineer
• Deployed and managed Kubernetes clusters using the Rancher container management platform
• Utilized Chef for configuration management across infrastructure environments
• Automated and maintained a wide range of systems and tools including Druid, ELK, Sensu, Grafana, InfluxDB, Jenkins, and SpotInst kops
• Worked extensively with cloud platforms including AWS and GCP
• Led a major migration from AWS to GCP, converting architecture and microservices to GCP-native solutions
• Developed scripts and automation tools primarily in Python, Perl, and Bash
• Maintained and operated in an Ubuntu-based environment - DevOps EngineerVungleApr 2015 - Nov 2015 (8 months)Chef, AWS, Ansible, Kafka, MemSQL and Jenkins.
- Intern at Los Alamos National LaboratoriesLos alamos National laboratoryMay 2009 - Aug 2009 (4 months)Helped curate and maintain the Oral Pathogen Database (ORALGEN project) in the Biosciences (B) Division. Largely a Perl scripting shop. Offered longterm GRA but left for UT Southwestern.
- DevOps EngineerNextGenAug 2013 - May 2015 (1 year 10 months)DevOps engineer. We worked with Jenkins and Ansible mostly, and prototyped our infrastructure locally before migrating it to AWS. This was my first experience working with AWS. We had a fondness of Ubuntu.
- SergeantUnited States Marine CorpsMay 2002 - May 2008 (6 years 1 month)1st Bn 23rd Marines/Wpns Co/Heavy Machine Guns platoon 2003-2008. Combat Action Ribbon (CAR) and Purple Heart recipient.
6th Motor Transportation Battalion 2002-2003 - Inspector Instructor (I&I) Staff. - Operations EngineerCSIDApr 2012 - Aug 2013 (1 year 5 months)DevOps Engineer and Operations Engineer. Here, I specialized in Jenkins and Jenkins build and management processes. I helped automate builds, and maintain our PostgreSQL database schema changes. I also wrote a number of Operations portals using Node JS that we used for internal tooling and testing.
- GSoftware DeveloperGenomeQuestJun 2011 - May 2012 (1 year)Software Engineer. I supported GenomeQuest as a Field Application Scientist (FAS), and software engineer. We used PHP and PostgreSQL to create a patent analysis tool for analyzing sequences, reads, and genetic anomalies against global patent databases. We used CentOS.
- MProgrammer Analyst IMcDermott Sequencing Core at UT SouthwesternFeb 2010 - Jun 2011 (1 year 5 months)Here, I analyzed a large number of sequences for lab Private Investigators (PI) at the center. We called genotypes for patients who exhibited phenotypes related to blood clotting disorders. I automated the process of analyses, and mapping of reads (sequences) to scaffolds. I largely used Perl for automation scripting. CentOS shop. We utilized an ABI/LifeTech SOLiD next gen sequencer and whole genome, partial genome, targeted re-sequencing / exome sequencing, small/micro RNA sequencing, and whole transcriptome assays. We also utilized state of the art ChIP sequencing.
Education
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- Bachelor of Science - BS, Biomathematics, Bioinformatics, and Computational BiologyStEdwards UniversityAug 2006 - Aug 2009 (3 years 1 month)
- Bachelor of Science - BS, Biomathematics, Bioinformatics, and Computational BiologyStEdwards UniversityJan 2006 - Dec 2009 (4 years)Activities and Societies: KECK Researcher
Lacrosse player
Cum Laude at times.