Chad Dewitt Email & Phone Number

Manchester, Nh, Us

- Led the adoption of Infrastructure as Code (IaC) and CI/CD best practices, ensuring high-quality deliverables for both cloud and on-premises solutions.- Architected and deployed a Kubernetes cluster with Istio service mesh, enabling advanced traffic management, security, and observability across microservices.- Implemented Kyverno for policy enforcement within the Kubernetes cluster, ensuring compliance with security and operational standards.- Set up AWS Cluster Autoscaler to dynamically scale resources based on demand, optimizing cost and performance for cloud-native applications.- Developed and maintained robust CI/CD pipelines to optimize software deployment, utilizing Jenkins, Helm, and Terraform.- Automated the creation and management of highly available on-premises IaC solutions for monitoring systems using Sensu, Grafana, and InfluxDB.- Streamlined Jenkins server and build agent host creation using IaC techniques, improving consistency and scalability.- Provided internal support to developers for vSphere on-prem and AWS cloud-based infrastructure.- Led the development of an automated Kubernetes orchestration solution, replacing AWS ECS and improving orchestration efficiency.- Created examples and guidance for deploying Helm charts to AWS EKS, utilizing blue/green deployment strategies for seamless updates and rollbacks.

Boston, Ma, Us

- Developed Python programs to automate provisioning of IBM BPM/WebSphere applications.- Containerized IBM BPM/WebSphere applications using Docker, enhancing deployment efficiency.- Created a secure Nginx frontend with Python and Flask to authenticate clients against a Ping backend, improving system security.- Supported middleware components (Nginx, Docker, AWS, Jenkins) within IBM BPM/WebSphere environments, ensuring smooth operation and minimized downtime.

Nashua, Nh, Us

- Developed and maintained over 90 microservices using Nginx, Redis, MongoDB, Python, Flask, uWSGI, and AWS.- Ensured code quality through unit testing, integration testing, end-to-end testing, consumer-driven contract tests, performance testing, and mocks.- Managed CI/CD pipelines using Ansible, Bamboo, Docker, and Artifactory.- Implemented automatic deployment rollbacks, utilizing a suite of integration tests to prevent downtime.- Leveraged monitoring, logging, and distributed tracing tools (Prometheus, Elasticsearch, Kibana) following the OpenTracing API spec.

Nashua, Nh, Us

- Conducted manual testing of language learning software, websites, and services.- Utilized Fiddler and Charles to capture and manipulate web traffic for testing.- Documented bugs, feature requests, and processes using Jira and Confluence.- Trained new hires on Jira, Confluence, QA processes, test plans, and testing strategies.- Created and maintained test plans for new features, services, and products.