Jeffrey Robert Hammel

k0scist@gmail.com
347-513-5677
2552 San Jose Avenue
San Francisco, CA 94112

Senior infrastructure and platform engineer with 15+ years of experience building and operating cloud-native systems on AWS and GCP. Extensive experience in Kubernetes, Terraform, Ansible, and modern CI/CD, with a track record of delivering resilient, scalable, and cost-efficient platforms. Developed robust automation, observability, and testing frameworks in Python and TypeScript to accelerate release cycles and improve reliability. Adept at collaborating across engineering, data, and product teams in fast-moving environments. Comfortable operating in ambiguous early-stage environments as well as structured enterprise settings.

Technical Skills

Cloud
AWS (EC2, S3, IAM, VPC, EKS, Lambda), AWS CDK (boto3), Kubernetes, Docker, GCP
Infrastructure as Code
Terraform, Ansible, Helm, Carvel (ytt/kapp), Packer
CI/CD
GitHub Actions, CircleCI, Concourse, Buildbot
Programming
Python, Node.js, TypeScript, Bash/Shell, C, Linux
Monitoring & Observability
Prometheus, ELK/Elastic (Elasticsearch/Logstash/Kibana), Sensu, Grafana
Data & Messaging
REST APIs, PostgreSQL, Prefect, Redis
Security & Ops
DevOps, SRE, AWS IAM, least-privilege design, cost management, incident response
February 2025 - October 2025

Member of Technical Staff

Omnifold

August 2022 - January 2025

Senior Software Engineer - Testing and Automation

BrightSign

October 2017 - July 2022

Software Engineer - Infrastructure

LeapYear Technologies

August 2015 - February 2017

Technical Lead

Cisco Systems

January 2014 - June 2015

Senior Software Engineer

Cognitive Networks

March 2010 - December 2013

Software Engineer

Mozilla - Automation and Tools

August 2006 - January 2010

Software Engineer

Openplans (formerly The Open Planning Project)

Education

August 2001 - May 2006

Graduate Student Researcher & Teaching Assistant

University of California, Berkeley – Electrical Engineering & Computer Science

Computational plasma modeling (C/C++), teaching, and course support as part of PhD research.

June 2000 - May 2002

Master of Science in Mechanical Engineering

Worcester Polytechnic Institute

August 1996 - May 2000

Bachelor of Science in Mechanical Engineering

Worcester Polytechnic Institute